Search Results — 2000 specimen records retrieved (1414 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77980  Abies concolor Walter Knight; Irja Knight; John Thomas Howell 1598 Plumas Fern Glen 1097 Comment
  JEPS104251  Abies concolor Lowell Ahart 2003-10-15 10632 Plumas Ca 40 yd s of the road to Tamarack Flat, on n side of a small branch of Fall River, ca 1/8 mi w of intersection of Lumpkin Ridge Rd and road to Tamarack Flat, ca 1 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 mi (air) nw of La Porte 1714 Comment
  SEINET4066102  Abies concolor B. C. Templeton 1967-1 sn Plumas About 16 miles east of Quincy. Comment
  UCD134161  Abies concolor John M. Tucker 1948-7-24 1732 Plumas Ca. 1/2 mi. northeast of Camel Peak. Comment
  NY29497  Abies lowiana W. W. Eggleston 08 1911 7697 Plumas Mt. Hough 1760 Comment
  CAS-BOT-BC78097  Abies magnifica Rutter; Atkinson 1899-9-1 s.n. Plumas Onion Valley Comment
  CHSC43332  Abies magnifica Lowell Ahart 1974-10-1 655 Plumas On the west part of the Buzzards Roost Ridge, about 1 mile north of Onion Valley, about 10 miles north-east of La Porte. 1981 Comment
  LA204379  Acer glabrum J. A. Ewan; 1934-7-17 8535 Plumas Mt. Elwell, broken country, small clump at foot of low falls along stream. vic. Bear Lake 1981 Comment
  CAS-BOT-BC330951  Acer glabrum var. glabrum George W. Gillett 1957-7-19 858 Plumas Lassen Volcanic National Park. On trail to Sifford Lakes, aobut 1.25 miles above the Devils Kitchen. 2057 Comment
  CAS-BOT-BC330957  Acer glabrum var. glabrum E. K. Balls 1950-9-1 15594 Plumas East of Long Lake, by trail going S around lake, southern part of county 2133 Comment
  CAS-BOT-BC330986  Acer glabrum var. glabrum Mrs. Jos. Clemens 1919-10-29 s.n. Plumas Crystal Lake Comment
  UC565957  Acer glabrum var. glabrum D. Axelrod 1934-6-9 22 Plumas 2 1/4 mi nw Lexington Hill; Bidwell Bar Quad., nw of Lexington Hill 1767 Comment
  UC566070  Acer glabrum var. glabrum C. G. Albertus 1935-8-13 261 Plumas 2 1/4 mi n Cates; Downieville Quad., n of Cates 2133 Comment
  RSA603070  Acer glabrum var. torreyi Joseph A. Ewan 1934-7-17 8535 Plumas Bear Lake, Mt. Elwell region 1982 Comment
  SD7293  Acer macrophyllum Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET7893936  Acer macrophyllum C. N. Saulisberry 1949-5-28 s.n. Plumas Feather River Canyon, near Keddie Comment
  SEINET10971291  Achillea Mary Susan Taylor 1981-7-13 Taylor 4007 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
  CHSC81089  Achillea millefolium Lowell Ahart 2001-8-29 9266 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CAS-BOT-BC210688  Achnatherum lemmonii John Thomas Howell 1955-7-19 30766 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC210692  Achnatherum lemmonii John Thomas Howell 1961-6-21 36655 Plumas Greenville 1097 Comment
  CHSC58540  Achnatherum lemmonii Vernon H. Oswald; Lowell Ahart 1992-7-6 5064 Plumas On Kelly Mtn. Ca. 0.3 mi SW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). Lassen Volcanic National Park. 1813 Comment
  UCD50466  Achnatherum lemmonii August L. Hormay 1932-6-11 s.n. Plumas Long Canyon, Plumas National Forest. Comment
  CAS-BOT-BC217986  Achnatherum nelsonii John Thomas Howell 1960-7-22 35894 Plumas Near Soda Springs 1828 Comment
  CAS-BOT-BC210931  Achnatherum occidentale subsp. pubescens John Thomas Howell 1955-7-19 30754 Plumas Beckwourth 1493 Comment
  UC641668  Achnatherum thurberianum G. L. Stebbins Jr. 1939-7-9 2936 Plumas sw slope of Meadow View Peak Meadow View Peak 1920 Comment
  UCD51299  Achnatherum webberi John Thomas Howell; Gordon H. True 1973-7-31 50122 Plumas Canadian Zone forest, summit ridge of Thompson Peak, Diamond Range. 2133 Comment
  SBBG22468  Acmispon americanus C. B. Hardham 1961-6-15 7403 Plumas Graeagle Comment
  CHSC59913  Acmispon americanus var. americanus L. P. Janeway 1992-7-17 4269 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. 1731 Comment
  CAS-BOT-BC412613  Aconogonon alaskanum Paul F. Covel 1937-7-20 738 Plumas Pass east Buck's Ranch Comment
  CAS-BOT-BC412893  Aconogonon davisiae Robert J. Weatherby 1950-8-11 1511 Plumas Near Hellgramite [Hellgrammite] Pond, Lakes Basin Area 2011 Comment
  JEPS115199  Adenocaulon bicolor Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16117 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
  RSA52870  Adenocaulon bicolor R. Weatherby 1950-7-7 1446 Plumas Gasner Creek, Quincy 1220 Comment
  UC586933  Adenocaulon bicolor Joseph Andorfer Ewan 1934-6-25 8210 Plumas above, along Gold Lake Road Dentens (Blairsden); Sierra Nevada Comment
  CAS-BOT-BC65502  Adiantum aleuticum Clarence R. Quick 1952-9-6 52 -315 Plumas Southeast of Meadow Valley (about 1.5 miles se. of Dean's Valley) 1219 Comment
  UCLA72430  Agastache urticifolia Joseph Andorfer Ewan 1934-7-16 8526 Plumas along s shore Long Lake (Mt. Elwell region); , s shore Long Lake 2072 Comment
  CHSC34266  Ageratina occidentalis M. S. Taylor 1981-7-27 4131 Plumas Between Drum and Notson Bridges, N side of Beckwourth-Genesee Rd, ca. 7 air mi E of Genesee. 1584 Comment
  JEPS18707  Ageratina occidentalis W. L. Jepson 1918-8-16 8015 Plumas Taylorsville 1097 Comment
  CAS-BOT-BC29510  Agoseris Clare B. Hardham 1961-6-16 7479 Plumas Diamond Peak 2133 Comment
  CHSC80136  Agoseris glauca var. laciniata L. P. Janeway 1996-6-5 4990 Plumas Northern High Sierra Nevada/Modoc Plateau. Ramelli Ranch; northwest corner of Sierra Valley; 400 ft south of Middle Fork Feather River and 300 ft west of the road to Calpine. 1488 Comment
  CHSC102139  Agoseris grandiflora Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16245 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC92115  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
  UC170965  Agoseris grandiflora var. grandiflora H. M. Hall 1912-8-3 9379 Plumas Quincy 1066 Comment
  CAS-BOT-BC29657  Agoseris grandiflora var. grandiflora Thomas H. Kearney 1945-8-10 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC13247  Agoseris monticola Milo S. Baker 1926-8-29 321 C Plumas Upper Lee's Camp Comment
  CAS-BOT-BC127597  Agropyron cristatum John Thomas Howell; H. Keith Wagnon 1980-5-28 53708 Plumas Sierra Nevada. North Fork Feather River Canyon 4 miles northeast of Pulga Bridge. Comment
  SEINET10843430  Agropyron cristatum Mary Susan Taylor 1982-1 Taylor 5137 Plumas T23N, R14E se1/4ne1/4 sec 27. Portola quad. Ramelli Ranch in vicinity of Calpine Rd (109) bridge over Feather River, s side of river, 1 mi w of Beckwourth. With Sonchus asper, Iva axillaris, & Artemisia tridentata in sagebrush scrub. 1487 Comment
  CDA23052  Agrostis G. D. Barbe 1981-6-23 3087 Plumas East Quincy; vacant lot east of Lariat Lodge. 0 Comment
  CAS-BOT-BC127081  Agrostis exarata John Thomas Howell; Gordon H. True 1973-7-31 50087 Plumas Sierra Nevada. Summit ridge of Thompson Peak. Diamond Range. 2194 Comment
  CAS-BOT-BC127087  Agrostis exarata John Thomas Howell 1960-7-18 35520 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC127099  Agrostis exarata Lowell Ahart 1980-8-12 2561 Plumas Sierra Nevada. Along Slate Creek. 1250 Comment
  RSA718511  Agrostis exarata L. Ahart 2006-10-23 13492 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), About 30 yards south of where the road ends, About 20 yards north of the dam across Slate Creek., About 1/8 mile northeast of Scales Road, About 5 1/2 miles (air) northeast of Strawberry Valley. 1282 Comment
  UC1100236  Agrostis exarata Malcolm A. Nobs and S. Galen Smith 1949-8-20 1465 Plumas on road between Milford and Beckwourth about 13 mi sw Milford Comment
  CAS-BOT-BC139602  Agrostis gigantea John Thomas Howell 1976-7-16 31906 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CHSC102055  Agrostis gigantea Lowell Ahart; John Dittes 2009-7-27 16174 Plumas On damp soil, bottom and sides of a small dry pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  JEPS76245  Agrostis pallens W. L. Jepson 1939-8-16 19450 Plumas Bucks Valley 1584 Comment
  CHSC97079  Agrostis scabra Lowell Ahart; Josephine Guardino 2007-7-20 14340 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  RSA35773  Agrostis scabra J. T. Howell 1960-7-20 s.n. Plumas Boilings Springs Lake; Lassen Volcanic National Park 1799 Comment
  CHSC65391  Agrostis stolonifera Lowell Ahart 1995-9-13 7637 Plumas On the north-west side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  JEPS102765  Agrostis stolonifera Lowell Ahart 2001-8-28 9192 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, on the west side of the poor dirt road, about 3/4 mile NE of Chester. 1371 Comment
  UCD53577  Agrostis stolonifera Leo Whitney 1934-8-23 2299 Plumas Willow Creek, 15 miles north of Beckwith, Plumas National Forest. 1950 Comment
  CHSC108035  Alisma triviale L. P. Janeway 2011-9-22 10737 Plumas Northern High Sierra Nevada. Plumas National Forest; a series of shallow ponds in Secret Diggings, 2.3 km south of La Porte. 1468 Comment
  CDA39431  Allium acuminatum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3180 Plumas 2.5 miles (4 km) north-east of Quincy Junction on Mt. Hough-Crystal Lake Road at Howells Road junction. Comment
  CHSC20736  Allium campanulatum K. R. Stern 1975-7-24 5904 Plumas W shore of Lake Almanor. 1371 Comment
  SBBG21926  Allium campanulatum D. Myrick 1964-7-19 872 Plumas Boiling Lake (Boiling Springs Lake) 1828 Comment
  CAS-BOT-BC466606  Allium campanulatum H. C. Cantelow 1939-5-20 2554 Plumas Indian Highway 11 mi. s.e. of Prattville Comment
  CAS-BOT-BC466610  Allium campanulatum Hans Leschke 1954-7-3 s.n. Plumas 1/4 miles southeast of Boiling Springs Lake in dry soil 1859 Comment
  CAS-BOT-BC466614  Allium campanulatum John Thomas Howell 1960-7-19 35634 Plumas Wooded meadow border, Drakesbad 1828 Comment
  UC1133815  Allium lemmonii E. Sawyer 1935-5-21 12 Plumas 2 1/2 mi e Beckwith Butte; Sierraville Quadrangle Comment
  SEINET12048438  Allium obtusum L. Ahart, Ahart, P. 1983-1 4328 Plumas Near Onion Valley, W of Pilot Peak, near Quincey-La Porte Rd., NE of La Porte, Red Fir Forest 2000 Comment
  CHSC41183  Allium obtusum var. obtusum J. D. Jokerst 1984-5-14 2014 Plumas SW of Genesee Valley, S of Ward Cr. 1584 Comment
  CHSC10631  Allium parvum Lowell Ahart 1969-5-11 Plumas Near Beckwourth, Sierra Valley. 1219 Comment
  CAS-BOT-BC474061  Allium parvum M. S. Taylor 1982-5-14 4442 Plumas along Turner Springs Rd just S of its jct with Hwy 114 (Clio-Portola Rd), 2 air miles SW of Portola 1524 Comment
  SEINET10471989  Allium parvum Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4477 Plumas T27N R8E ne/se sec 35. Almanor NE quad. Very steep w facing serpentine slope & fill, n side of 27N92, ca. 2 air mi se of Canyon Dam. 5097 ft. 1553 Comment
  UC1075697  Allium platycaule Robert J. Weatherby 1955-7-2 1568 Plumas Bear Ridge near Taylor Lake; Bear Ridge 2194 Comment
  UCD138590  Allium platycaule A. A. Heller; P. B. Kennedy 1907-7-4 8723 Plumas east of Red Clover Valley. Comment
  CAS-BOT-BC476725  Allium validum Lloyd W. Swift 1932-7-17 68 Plumas Oats Meadow in Grass Valley 1584 Comment
  SEINET5332277 Image available Allocarya microcalyx A. A. Heller, P. B. Kenndey 1907-7-2 8680 Plumas Between Vinton and Beckwith. Comment
  SEINET10496944  Allophyllum gilioides Mary Susan Taylor 1982-6-10 Taylor 4631 Plumas T23N R14E ne sec 9. Portola quad. Granite ridge ca. 1 mi nw of Mapes Canyon, ca. 3 air mi nnw of Beckwourth. 5900 ft. 1798 Comment
  CHSC46645  Allophyllum integrifolium Lowell Ahart 1989-7-2 6356 Plumas North of where the dirt road forks, the south fork leads to the Lookout on Pilot Peak, about 1/4 mile north of Pilot Peak, about 10 miles north-east of La Porte. 2103 Comment
  SEINET10496948  Allophyllum violaceum Mary Susan Taylor 1982-6-11 Taylor 4639 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
  CHSC92172  Alnus incana subsp. tenuifolia Lowell Ahart; John Dittes 2005-9-19 12380 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  JEPS107975  Alnus incana subsp. tenuifolia Lowell Ahart, John Dittes 2005-9-19 12380 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  RSA232721  Alnus incana subsp. tenuifolia Larry E. DeBuhr, Gary Wallace 1972-5-21 599 Plumas Plumas National Forest, Butterfly Valley about 1 mile southwest of Keddie, along forest road 25N12. Comment
  CAS-BOT-BC171373  Alnus incana subsp. tenuifolia Hans Leschke 1956-9-21 s.n. Plumas Manzanita Lake. Lassen Volcanic National Park 1781 Comment
  RSA11790  Alnus rhombifolia Elmer I. Applegate 1921-9-26 3346 Plumas 8 miles north of Greenville. Comment
  SEINET256574  Alopecurus aequalis Lowell Ahart 1985-7-3 5098 Plumas Ca 4.25 mi NE of La Porte; Little Grass Valley Reservoir where S Fork of Feather River joins lake 1585 Comment
  JEPS101230  Alopecurus aequalis var. aequalis Dean W. Taylor 2000-8-12 17576 Plumas far eastern shore near Pioneer Cabin Antelope Lake; ; Antelope Lake, far eastern shore near Pioneer Cabin 1524 Comment
  CHSC36874  Alopecurus geniculatus M. S. Taylor 1982-8-27 5062 Plumas Ramelli Ranch, where Feather River crosses RR tracks, ca. 1.5 mi sw of Beckwourth. 1463 Comment
  CHSC60882  Alyssum minus subsp. micranthum Vernon H. Oswald 1993-6-17 5551 Plumas Trail along the N shore of Willow Lake, at an old camping site ca. 0.3 mi SE of the gate in fence marking the S boundary of Lassen Volcanic National Park. 1656 Comment
  CDA10048  Ambrosia psilostachya L. Ahart 2006-10-8 13389 Plumas On the north side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. Comment
  CHSC21799  Amelanchier F. T. Griggs; A. Pass 1975-8-1 415 Plumas Bucks Lake Forest Service Survey. Comment
  UC1127765  Amelanchier utahensis N. French 1934-11-16 560 Plumas 6 mi s Beckwith; Sierraville Quad. 1508 Comment
  CAS-BOT-BC64275  Anaphalis margaritacea H. E. Brown 1897-8-15 661 Plumas Near Lassen Buttes 1828 Comment
  SEINET5525818  Anaphalis margaritacea I. W. Carpenter, Hicks, M. L. 1976-7-28 Plumas Mt. Lassen National Park 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
  SBBG2111  Anemone grayi H. and M. Dearing 1938-7-1 2258 Plumas 1 mi E of Lake Almanor Comment
  CHSC67452  Angelica breweri James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2556 Plumas Rich Gulch Rd. 3.0 mi N of Hwy. 70 on slope W of and adjacent to road (26N22) S of Red Mtn. turnoff. Comment
  UC1125548  Antennaria argentea E. Sawyer 1935-6-18 122 Plumas 3 3/4 mi nnw Beckwith; Sierraville Quad. 1706 Comment
  UC171394  Antennaria argentea A. A. Heller 1913-6-13 10860 Plumas near Quincy 1066 Comment
  CAS-BOT-BC59313  Antennaria argentea C. R. Quick 1957-6-15 57 -03 Plumas About 1/2 mile s. of Lake Almanor Comment
  SEINET10475043  Antennaria argentea Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3821 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  UCD128908  Antennaria argentea Matt Georgeff 1992-5-17 21 Plumas Snake Lake campground, 15 miles west of Quincy, 0.5 mile from campground. Comment
  CHSC95087  Antennaria dimorpha L. P. Janeway; B. Castro 2006-6-4 8664 Plumas Northern High Sierra Nevada. South side of Squaw Valley, 100 m north of junction of McReynolds Valley Road and Squaw Valley Road. 1684 Comment
  CAS-BOT-BC59180  Antennaria dimorpha C. F. Sonne 1886-5-23 s.n. Plumas On Road to [illegible] Creek near Truckee Comment
  RSA39730  Antennaria dimorpha Philip A. Munz 1947-5-16 11820 Plumas 5 Miles north of Chilcoot. 1524 Comment
  CHSC56838  Antennaria geyeri L. P. Janeway; Garrett Gibson 1991-7-18 4075 A Plumas Plumas National Forest. North side of Grizzly Valley ca 1 mi east of Lake Davis. Slope on north side of County Road. 1783 Comment
  CHSC57118  Antennaria geyeri L. P. Janeway 1991-8-4 4131 Plumas Plumas National Forest. Saddle just east of Squaw Valley Peak along the Beckwourth-to-Laufman Road. 1905 Comment
  UC673633  Antennaria geyeri H. L. Mason 1924-6-16 1041 Plumas near Graeagle (south banks of Feather River); Feather River Comment
  UCD128924  Antennaria geyeri G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3333 Plumas 2.5 miles southeast of Mt. Hough Summit, 0.4 mile nothwest of China Grade Road (to Taylorsville.) 1584 Comment
  CHSC57406  Antennaria luzuloides subsp. aberrans L. P. Janeway; Garrett Gibson 1991-6-13 4006 Plumas Plumas National Forest. Ca 1/4 mi west-northwest of Claireville Flat, ca 1/2 mi southeast of Hwy 70 and Willow Creek. 1484 Comment
  CHSC72294  Antennaria umbrinella L. P. Janeway; Glenn Clifton 1998-7-9 5732 Plumas Near the head of Pierce Creek; north side of Diamond Mtn Motorway 0.3 mi east of Wheeler Sheep Camp. 1990 Comment
  SEINET12947967  Antirrhinum breweri A. A. Heller, P. B. Kennedy 1907-1 8835 Plumas Near mouth of Little Grizzly Creek below Genessee. 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
  JEPS94291  Antirrhinum vexillocalyculatum subsp. intermedium Lowell Ahart 1997-9-11 7896 Plumas about 5 air mi ne of Belden (on w side of Caribou Road, on w side of the North Fork of the Feather River, about 1/8 mi s of Mosquito Creek); North Fork Feather River, Caribou Road 792 Comment
  UC1382128  Antirrhinum vexillocalyculatum subsp. intermedium L. Constance and Tsan-Iang Chuang 1969-7-11 3872 Plumas 8.6 mi sw Arch Rock Tunnel; North Fork of Feather River Comment
  UCD123492  Antirrhinum vexillocalyculatum subsp. intermedium D. Sanchez-Mata; R. Rodriguez-Rojo 1997-8-16 s.n. Plumas Rick Bar-Virgilia. Plumas National Forest. 820 Comment
  UC1123459  Apocynum androsaemifolium C. W. Hanks 1934-8-8 19 Plumas n.e. Sierra Valley Plumas Nat'l Forest, Sierraville Quad., Sierra Valley Comment
  UC565905  Apocynum androsaemifolium E. Sawyer 1935-7-9 275 Plumas 4 1.2 mi. s. Crow; Sierraville Quad. 1828 Comment
  POM181052  Apocynum androsaemifolium subsp. pumilum A. A. Heller, B. B. Kennedy 1907-7-8 s.n. Plumas Near Greenville Comment
  RSA189322  Apocynum androsaemifolium subsp. pumilum L. S. Rose 1967-7-10 s.n. Plumas 1 mi. S of Keddie. Butterfly Creek and Spanish Creek 884 Comment
  RSA443121  Apocynum androsaemifolium subsp. pumilum L. Ahart, P. Ahart 1985-7-1 5096 Plumas About 100 yards east of McCarthy Creek and along the road, about 1 mile north of the road to Cleghorn Bar, about 7 miles northwest of Pilot Park 1829 Comment
  SEINET10454894  Apocynum pumilum Mary Susan Taylor 1981-7-27 Taylor 4126 Plumas T25N R12E SE 1/4 & c 10. Babcock Peak. In granite gravel embankment, N side of Beckworth Genesse Rd, ca. 7 air mi E of Genesse. 5400 ft. 1646 Comment
  SEINET10454898  Apocynum pumilum var. rhomboideum Mary Susan Taylor 1981-7-17 Taylor 4036 Plumas T21N R12E se/se sec 7, Sierra City NW quad. Lakes Basin area, Bear Lakes trail, just S of spur trail to Gold Lake Lodge, ca. 6 mi S of Mohawk. 6500 ft elev. 1981 Comment
  CAS-BOT-BC397893  Aquilegia formosa Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1562 Plumas Fern Glen. 1112 Comment
  CHSC56089  Aquilegia formosa var. truncata K. Tarp 1983-7-30 314 Plumas North of Humboldt Peak. 2072 Comment
  HSC73108  Arabis constancei M. S. Taylor 1981-5-8 3649 Plumas Junction of roads 26N18, 26N92 and 27N92, 0.5 mi. E of Long Valley Mine, 4 air mi. W of Greenville 1616 Comment
  JEPS95629  Arabis glabra var. glabra Lowell Ahart 1994-6-17 7357 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  RSA655716  Arabis hirsuta var. glabrata R. R. Halse 1976-6-13 1395 Plumas Plumas National Forest; along State Hwy 89, 5.6 miles NW of Greenville. 1281 Comment
  SEINET10841515  Arabis holboellii var. pinetorum Mary Susan Taylor 1981-5-11 Taylor 3685 A 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
  SEINET10907253  Arabis holboellii var. pinetorum Mary Susan Taylor 1981-5-10 Taylor 3666 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
  RSA74141  Arabis holboellii var. retrofracta Milo S. Baker 1952-5-24 12449 Plumas Hwy 89 at head of Pine Valley. 915 Comment
  UC170972  Aralia californica H. M. Hall 1912-8-4 9383 Plumas canyon just w. of Quincy; Sierra Nevada Mts. 1127 Comment
  CHSC101920  Arceuthobium californicum Lowell Ahart; John Dittes 2009-7-14 16070 Plumas North side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Alamanor Reservoir Dam 1677 Comment
  CAS-BOT-BC24203  Arctostaphylos John Thomas Howell; Gordon H. True 1967-5-8 42196 Plumas Along Forest Service Rd. between Butterfly Valley proper and the Butterfly Botanical area Comment
  UC1778632  Arctostaphylos mewukka G. Douglas Barbe, T. C. Fuller 1982-7-16 3768 Plumas Lava cap ridge 1.5 miles W of Wheeler Peak and 1 mile S of Beardsley Mine on forest road 3.8 mile S of Green Flat, Plumas National Forest. 1981 Comment
  CAS-BOT-BC38618  Arctostaphylos mewukka subsp. truei John Thomas Howell 1975-7-21 51338 Plumas Injun Jim Campground, Feather River Canyon 609 Comment
  CHSC35917  Arctostaphylos mewukka subsp. truei M. S. Taylor 1982-6-20 4712 Plumas Along Hwy 70 just W of Injun Jim Campground entrance, ca. 4 air mi SW of Belden. Comment
  CAS-BOT-BC40009  Arctostaphylos nevadensis Anna Head 1921-6-25 s.n. Plumas Feather River region, Lake Center camp. Comment
  CAS-BOT-BC40012  Arctostaphylos nevadensis Robert J. Weatherby 1950-8-11 1526 Plumas Side of Mt. Elwell, Lakes Basin area. 2194 Comment
  RSA201286  Arctostaphylos nevadensis J. T. Howell 1959-9-23 34876 Plumas 3 mi. south of Lassen Park boundary, on road to Chester. 1829 Comment
  SD71019  Arctostaphylos nevadensis John Thomas Howell 1959-9-23 Plumas Road to Chester, 3 mi. S of Lassen Park boundary 1830 Comment
  UC549454  Arctostaphylos nevadensis J. E. Adams 1934-5-13 818 Plumas Silver Lake 1828 Comment
  CAS-BOT-BC40004  Arctostaphylos nevadensis Robert J. Weatherby 1955-6-22 1538 Plumas Spanish Peak 2133 Comment
  CAS-BOT-BC42113  Arctostaphylos patula Robert F. Thorne; L. DeBuhr; C. W. Tilforth 1972-9-20 42354 Plumas Plumas National Forest: Along Hwy. 70 two miles N of Quincy in Pinus ponderosa forest 1097 Comment
  CAS-BOT-BC42123  Arctostaphylos patula Mary Strong Clemens 1920-4-7 s.n. Plumas Greenville Comment
  UC917236  Arctostaphylos patula J. M. Tucker 1948-7-24 1730 Plumas ca 1/2 mi ne Camel Peak Comment
  CAS-BOT-BC42090  Arctostaphylos patula John Thomas Howell 1976-4-2 51579 Plumas Near Spring Garden 1219 Comment
  CHSC34874  Arctostaphylos patula subsp. patula M. S. Taylor 1981-5-14 3724 Plumas Walker Plains, both sides of Oroville-Quincy Hwy, ca. 1/2 mi S of Four Trees Rd jct, on Butte-Plumas county line, ca. 2 mi N of Merrimac. 1524 Comment
  UCD59410  Arctostaphylos truei Walter and Irja Knight 1986-2-6 5221 Plumas Between Tobins and Belden near Injun Jim Campground. On the north fork of the Feather River. 640 Comment
  HSC7751  Arctostaphylos viscida L. S. Rose 1967-5-7 67067 Plumas 3 mi. W of Keddie, Butterfly Valley 945 Comment
  CAS-BOT-BC47030  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1906-10-1 s.n. Plumas Quincy. Comment
  CAS-BOT-BC47071  Arctostaphylos viscida subsp. viscida John Thomas Howell; Gordon True 1967-5-8 42201 Plumas Butterfly Valley. 1036 Comment
  SD8177  Arenaria congesta Mrs. R. M. Austin 1882-1 Plumas Comment
  CAS-BOT-BC17391  Armoracia rusticana John Thomas Howell 1963-6-3 39386 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC82086  Arnica Fred Sommers; Greg Sommers 1976-7-12 150 Plumas Hot Springs Area, Sierra Valley Marsh 1487 Comment
  CHSC118660  Arnica chamissonis Reed Kenny 2015-7-11 2015006 Plumas Plumas National Forest. Location northwest shore of Antelope Lake, northeast of Forest Service road 28N03 and 28N31. UTM 701731 E, 4453804 N, NAD83 Zone 10N. 1585 Comment
  POM29780  Arnica chamissonis subsp. foliosa Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  CHSC110299  Arnica cordifolia B. Castro 2006-6-9 1577 Plumas Northern High Sierra Nevada. N-facing slopes overlooking Red Clover Valley, 0.7 rd mi NW of Bagley Pass and ca 1.6. rd mi S of the Beckwourth-Genesee Rd, on both sides USFS Rd 24N08 (Bagley Pass Rd). 1798 Comment
  SBBG7585  Arnica cordifolia H. and M. Dearing 1939-5-9 3314 a Plumas near Blairsden on Sierra City Rd Comment
  SD8797  Arnica cordifolia Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  JEPS107607  Arnica discoidea Lowell Ahart, Josephine Guardino 2005-8-10 12305 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  JEPS115227  Arnica discoidea Lowell Ahart, John Dittes 2009-7-15 16093 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  SEINET3085678 Image available Arnica foliosa var. incana E. Sawyer 1935-7-2 272 Plumas One mile west of Chases 1680 Comment
  LA202935  Arnica fulgens Carl Epling; William Robison 1935-7-15 sn Plumas Chester 1219 Comment
  CHSC36833  Arnica mollis M. S. Taylor 1981-7-22 4105 Plumas On W side of Pine Creek Valley, ca. 1.5 mi N of Argentine Rock Lookout, ca. 6 air mi N of Spring Garden. 2194 Comment
  CHSC79445  Arnica nevadensis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-23 3141 Plumas 3.25 miles west of Round Valley Reservoir dam, 0.25 mile east of junction with road to Canyon Dam. 1633 Comment
  CAS-BOT-BC90055  Arnica nevadensis Margaret Williams; Emily McPhersen 1974-8-5 74 -P-21 Plumas Near Silver Lake campground, Trail to Mt. Elwell, Lakes Basin 2011 Comment
  CHSC67617  Arrhenatherum elatius James D. Jokerst 1985-6-10 2406 Plumas Indian Creek Small Hydro Survey. Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
  CHSC57408  Artemisia arbuscula L. P. Janeway; Garrett Gibson 1991-6-24 4058 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. 1691 Comment
  CHSC112558  Artemisia arbuscula subsp. arbuscula B. Castro; L. P. Janeway 2007-6-9 1641 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.1 mi N of the mouth of McReynolds Creek at Red Clover Creek. Sagebrush meadowy flats on W side of Thompson Creek, ca 500 ft below edge of open Ponderosa-Jeffrey pine forest. 1673 Comment
  CHSC59670  Artemisia cana subsp. bolanderi L. P. Janeway 1992-9-10 4307 Plumas Plumas National Forest. Low sagebrush flats of this on south side of Middle Fork Feather River 1.75 mi west of Beckwourth. 1481 Comment
  CAS-BOT-BC90403  Artemisia douglasiana John Thomas Howell 1960-7-18 35591 Plumas Meadow near bath house, Drakesbad 1828 Comment
  JEPS122090  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS98950  Artemisia douglasiana Lowell Ahart 2001-10-8 9327 Plumas On the west side of Indian Creek, about 400 yards south of Arlington Road, about 150 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  SEINET10474106  Artemisia douglasiana Mary Susan Taylor 1981-8-31 Taylor 4258 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
  SEINET6775420 Image available Artemisia douglasiana A. A. Heller, P. B. Kennedy 1907-7-17 8876 Plumas Red Clover Valley Comment
  CAS-BOT-BC90569  Artemisia dracunculus John Thomas Howell 1961-9-23 36866 Plumas Indian Valley 1082 Comment
  JEPS102559  Artemisia dracunculus Lowell Ahart 2001-10-8 9328 Plumas On the west side of Indian Creek, about 400 yards south of Arlington Road, about 150 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CHSC13882  Artemisia tridentata L. W. Blaisdell 1974-3-15 22 Plumas Abundant along Hwy 23 S. Beckwourth N. of Sattley. Sierra Valley. 1219 Comment
  CAS-BOT-BC93521  Artemisia tridentata subsp. tridentata Clare B. Hardham 1978-8-11 21784 b Plumas In volcanic area about 5 miles southeast of Thompson Peak Comment
  RSA59702  Artemisia tridentata subsp. tridentata E. K. Balls 1950-9-2 15663 Plumas Along Grizzly Creek, about Grasshopper Flat, road from Ramelli to Walker Mine 1829 Comment
  UC1119485  Artemisia tridentata subsp. tridentata C. G. Albertus 1935-8-22 272 Plumas 2 1/2 mi s Bagley Pass; Plumas National Forest, Downieville Quadrangle Comment
  JEPS115789  Asclepias cordifolia Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15851 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  SEINET10580361  Asclepias cordifolia Vernon H. Oswald, Lowell Ahart 1991-6-18 Oswald 4682 Plumas Forest Road 28N38, 3.4 mi ENE of its junction with County Road 201 (Old Haun Road), ca 4 mi (air) N of Greenville 1609 Comment
  SEINET3158544  Asclepias fascicularis E. K. Balls 1950-9-14 sn Plumas Indian Creek, 1.5 mi. northeast of junction with Hwy 24 along Hwy 89 914 Comment
  JEPS115173  Asclepias speciosa Lowell Ahart, John Dittes 2009-7-13 16056 Plumas West side of Forest Service Road 27lN98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS6282  Asclepias speciosa W. L. Jepson 1939-8-4 19340 Plumas Rock Creek; Meadow Valley 1219 Comment
  CAS-BOT-BC69583  Aspidotis densa John Thomas Howell 1951-7-19 27969 Plumas Monarch Lake Trail. 2590 Comment
  CDA13983  Aster alpigenus var. andersonii G. F. Hrusa 1996-8-2 13447 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, approx. 1 mi. NW of Argentine Rock. Forming trib. of Squirrel Creek. Comment
  CDA10225  Aster ascendens J. S. Buckett 1959-8-8 Plumas Nelson Creek area, ca. 10 miles west of Johnsville. 0 Comment
  RSA796051  Aster breweri L. Ahart 2011-9-20 17678 Plumas Along the poor dirt road on the north side of Pilot Peak, about 9 air miles northeast of La Porte. 2073 Comment
  RSA59479  Aster intermedius E. K. Balls 1950-9-16 15872 Plumas 5 miles southeast of Graeagle, Sulphur Creek, highway 89. 1372 Comment
  RSA59309  Aster occidentalis E. K. Balls 1950-9-12 15793 Plumas Lakes Center Public Campground 2043 Comment
  JEPS87575  Astragalus bolanderi Lowell Ahart 1994-6-29 7420 Plumas s.w. Bucks Lake (e. of Frenchman Hill, e. of Oroville Quincy Hwy.) 1828 Comment
  CAS-BOT-BC178759  Astragalus canadensis var. brevidens T. C. Fuller 1968-7-1 17319 Plumas Hwy 49 to Loyalton, ca. 6 mi. s. of Vinton - Sierra Valley, Sierra Nevada 1524 Comment
  JEPS125801  Astragalus lentiginosus var. floribundus William Harnach 2002-5-14 1059 Plumas 0.8 miles West of the intersection of Highway 49 and Dyson Lane. Comment
  SEINET5326182  Astragalus purshii var. purshii A. A. Heller, P. B. Kennedy 1907-7-4 8727 Plumas Ridge E of Red Clover valley Comment
  UC725554  Astragalus purshii var. purshii A. A. Heller 1942-5-8 16461 Plumas e Beckwourth (rocky hillside); e of Beckwourth 1524 Comment
  CHSC37016  Astragalus webberi M. S. Taylor 1982-6-14 4671 Plumas E side of Hwy 89, ca. 1 mi n of Indian Falls. 1036 Comment
  CHSC67652  Astragalus webberi James D. Jokerst 1985-6-10 2410 Plumas Indian Creek Small Hydro Survey. Upper edge of reconstruction zone of Hwy. 70. Comment
  CHSC88847  Astragalus webberi L. Hanson 1987-5-26 303 Plumas Plumas National Forest. China Grade Rd. 1554 Comment
  CHSC112611  Asyneuma prenanthoides Lowell Ahart 2013-9-11 19034 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC20738  Asyneuma prenanthoides K. R. Stern 1975-7-24 5871 Plumas E shore of Lake Almanor. 1371 Comment
  CHSC34292  Asyneuma prenanthoides M. S. Taylor 1981-8-19 4217 Plumas Jct Bell Creek and rd 23N10, ca. 1.5 mi w of Sloat. 1310 Comment
  RSA52897  Athyrium americanum R. Weatherby 1950-8-11 1518 Plumas Upper end of Long Lake 2134 Comment
  UC185193  Athyrium distentifolium var. americanum Mrs. Carlotta C. Hall 1912-7-11 9341 Plumas Long Lake 2042 Comment
  SEINET9630131 Image available Athyrium filix-femina R. V. Chamberlain 1935-8-9 n.s. Plumas Lassen National Park, Calif. Comment
  CHSC30852  Athyrium filix-femina var. cyclosorum L. Ahart 1980-9-17 2653 Plumas Ca. 0.5 mi w of Fowler Peak. 487 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
  JEPS114947  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-9-10 15359 Plumas East edge of East Branch Creek, on the southeast side of the Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile north east of La Porte 1593 Comment
  SD9790  Athyrium filix-femina var. cyclosorum Daniel Cleveland Jul 1882 Plumas Big Meadows Comment
  SEINET5338586  Athyrium filix-femina var. cyclosorum M. J. Williams 1967-8-20 1195 Plumas Above Johnsville, near Rene's Falls 1829 Comment
  CAS-BOT-BC17546  Athysanus pusillus Alice Eastwood 1927-6-11 14489 Plumas United States Forest Reserve. Forest Lodge near Greenville. Comment
  CAS-BOT-BC146151  Avena fatua John Thomas Howell; Gordon H. True 1968-6-10 44552 Plumas Sierra Nevada. Quincy. 1036 Comment
  CHSC55471  Balsamorhiza deltoidea Ben Cunningham 1991-4-20 Plumas Ca. 90 ft W of Pecks Valley road and 2 mi NE of Greenville. 1066 Comment
  JEPS3028  Balsamorhiza deltoidea Milo S. Baker 1952-5-24 12441 Plumas in a canyon above Pine Valley (Highway 89); Highway 89 944 Comment
  CAS-BOT-BC106459  Balsamorhiza hookeri John Thomas Howell 1978-4-14 52860 Plumas On edge of pine woods, west of Portola - Sierra Nevada Comment
  RSA121104  Balsamorhiza hookeri E. Sawyer 1935-5-21 3 Plumas 3/4 mile WSW of Beckwith. 1494 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-BC16561  Barbarea orthoceras John Thomas Howell 1967-6-23 42684 Plumas Sierra Nevada. Canyon of Butterfly Creek. 1036 Comment
  CAS-BOT-BC145805  Beckmannia syzigachne Robert J. Weatherby 1950-7-28 1502 Plumas Marshy border of Indian Creek, 2 miles south of Crescent Mills. 1036 Comment
  UC336064  Betula occidentalis unknown Sept. 1876 Plumas near Lassen's Peak Comment
  RSA90036  Bidens cernua E. K. Balls 1953-7-9 18353 Plumas Behind Forest Service Ranger Station, Quincy, American Valley. 1098 Comment
  CAS-BOT-BC413055  Bistorta bistortoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54387 Plumas Slope 0.25 miles east of Bucks Summit on road to Quincy 1670 Comment
  UCD98831  Bistorta bistortoides R. N. Raynor 1939-6-1 s.n. Plumas along Lake Almanor, near Chester. Comment
  SEINET10938034  Blepharipappus scaber Mary Susan Taylor 1982-6-10 Taylor 4625 Plumas T23N R14E se/ne sec 12. Reconnaissance Peak quad. Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. Granitic soils. 5500 ft. 1675 Comment
  UCD129602  Blepharipappus scaber M. S. Taylor 1982-6-28 4765 -A Plumas Ramelli Ranch, between Calpine Road (109) and cow pastures, south side of Highway 70. Around 1 mile west of beckwourth. 1487 Comment
  CAS-BOT-BC16885  Boechera F. Thos. Griggs 1975-1-1 173 Plumas Sierra Nevada. Bucks Lake area. 1463 Comment
  CAS-BOT-BC16134  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4474 Plumas South side of 27N92, ca. 1.5 air mile southeast of Canyon Dam. 1524 Comment
  CAS-BOT-BC16139  Boechera constancei John Thomas Howell 1974-9-20 40896 Plumas Sierra Nevada. About 2 miles from Spring Garden on road to Quincy. 1158 Comment
  CHSC33811  Boechera constancei M. S. Taylor 1981-6-22 3944 Plumas E side of 25N17, ca. 1/8 mi s of Bean Creek on ridge, ca. 1/4 mi n of jct 25N17 with 25N81 (Old Mt House Rd), ca. 3.5 air mi nw of Meadow Valley. 1524 Comment
  CHSC72307  Boechera microphylla var. microphylla L. P. Janeway; Glenn Clifton 1998-7-9 5733 Plumas Thompson Peak, just east of the fire lookout tower and near the top. 2331 Comment
  CHSC43434  Boechera pinetorum Lowell Ahart 1974-7-24 559 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1676 Comment
  CHSC54317  Boechera pinetorum Vernon H. Oswald; Lowell Ahart 1991-6-18 4684 Plumas Forest Rd 28N38. 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  CAS-BOT-BC14264  Boechera pinetorum Mrs. H. C. Cantelow 1940-5-11 3751 Plumas Near Meadow Valley Creek Ford. Comment
  CHSC62535  Boechera platysperma B. Castro 1993-7-20 484 Plumas Ca 2 air mi W of Bucks Lake, ca 1 mi N of Grizzly Ck, on ridge between USFS Rds 23N42 and 23N42A. 1645 Comment
  SEINET5325195  Boechera rectissima R. C. Rollins, Kathryn W. Rollins 1981-5-29 81163 Plumas 7.1 mi NW of Beckwourth Comment
  SEINET12627100 Image available Boechera retrofracta Martin Schilling 2013-1 MS 231 Plumas Thompson Peak, 0.8 air mi SE from peak, on rocky slope 2205 Comment
  SEINET12627117 Image available Boechera retrofracta Martin Schilling 2013-1 MS 163 Plumas Little Volcano, 5.6 air miles S of Quincy, 270 ft S of Little Volcano, 160 ft NW of Limestone Point, on rocky S-facing slope 1728 Comment
  CAS-BOT-BC25577  Boechera retrofracta Anna Head 1921-6-20 s.n. Plumas Feather River Canyon. Campbells Hot Springs. 1828 Comment
  UCD114379  Boechera sparsiflora M. Vincent 1964-4-8 517 Plumas Near North Fork bridge. Comment
  CAS-BOT-BC25890  Boechera subpinnatifida M. S. Taylor 1981-6-2 3820 Plumas North side of Highway 70, on east side of Squirrel Creek, northeast of Spring Garden over pass. 1219 Comment
  CAS-BOT-BC25928  Boechera suffrutescens John Thomas Howell 1951-6-28 27713 Plumas Eureka Peak. 2255 Comment
  CHSC41412  Boechera suffrutescens Lowell Ahart 1986-7-8 5363 Plumas South of where the road crosses Onion Valley Creek, about 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1920 Comment
  CHSC42023  Boechera suffrutescens Lowell Ahart 1986-7-15 5365 Plumas Along a water ditch, south of the South Fork of the Feather River, about 1 mile south-west of Pilot Peak, about 1 1/4 mile north-east of the Independent Mine, about 10 miles north-east of La Porte. 1828 Comment
  POM181044  Boisduvalia densiflora var. densiflora A. A. Heller, P. B. Kennedy 1907-7-17 8877 Plumas Red Clover valley Comment
  RSA715667  Boisduvalia densiflora var. densiflora L. Ahart, Josephine Guardino 2005-8-9 12260 Plumas Between Lights Creek and Fant Creek, W of Forest Road 27N09 about 6 miles (air) NW of the Boulder Creek Work Center at Antelope Lake. 1636 Comment
  POM310936  Boisduvalia densiflora var. densiflora H. L. Mason 1952-7-17 14380 Plumas Sierra Nevada: Along Western Pacific tracks just south of Beckwourth, Sierra Valley. 1524 Comment
  RSA59435  Boisduvalia glabella E. K. Balls 1950-9-15 15847 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  RSA59759  Boisduvalia stricta E. K. Balls 1950-9-14 15807 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  CHSC90305  Boykinia major L. P. Janeway 1994-8-24 4747 Plumas Northern High Sierra Nevada. Small tributary of South Fork Rock Creek at Deanes Valley Campground. 1298 Comment
  UC1382126  Brickellia greenei L. Constance and Tsan-Iang Chuang 1969-7-11 3874 Plumas 8.6 mi sw of Arch Rock Tunnel; North Fork of Feather River Comment
  CAS-BOT-BC149322  Bromus carinatus var. carinatus Clare B. Hardham 1975-8-2 20475 Plumas Sierra Nevada. Black Mountain. 2133 Comment
  UC1155623  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1947-5-16 H 10 Plumas Meadow View Ranger Station 2225 Comment
  CAS-BOT-BC148716  Bromus carinatus var. marginatus John Thomas Howell 1977-6-20 52412 Plumas Sierra Nevada. On the peninsula of Lake Almanor. 1371 Comment
  CAS-BOT-BC148704  Bromus carinatus var. marginatus John Thomas Howell 1960-7-21 35822 Plumas Lassen Volcanic National Park. Terminal Geyser. 1798 Comment
  CAS-BOT-BC148748  Bromus carinatus var. marginatus L. Whitney 1933-9-20 s.n. Plumas Near Willow Creek northeast Plumas National Forest. 1920 Comment
  UC1037103  Bromus catharticus Leo Whitney 1934-8-7 3011 a Plumas 10 mi nw of Portola (3 mi n of the Cate Place, Plumas National Forest, Big Grizzley Valley); Plumas National Forest, Big Grizzley Valley 1828 Comment
  CHSC88193  Bromus ciliatus Lowell Ahart 2004-7-27 11318 Plumas On the east side of the dirt road (Forest Road 10), about 100 yards northeast of the bridge across Hopkins Creek, about 1 1/4 miles (air) southwest of Blue Nose Mountain, about 9 3/4 miles (air) northeast of La Porte. 1711 Comment
  CAS-BOT-BC155970  Bromus commutatus Walter Knight; Irja Knight 1966-6-18 1384 Plumas Butterfly Valley. 1036 Comment
  CAS-BOT-BC155974  Bromus commutatus John Thomas Howell 1967-6-23 42677 Plumas Sierra Nevada. Canyon at Butterfly Creek. 1036 Comment
  UCD58436  Bromus commutatus M. S. Taylor 1982-7-8 4804 Plumas S side of Feather River. Ca. 1 mile SW of Beckwourth on Ramelli Ranch. Ca. 1/4 mile E of Calpine Rd. (109). 1487 Comment
  CAS-BOT-BC155312  Bromus inermis John Thomas Howell; Gordon H. True 1967-7-11 43379 Plumas Sierra Nevada. Meadow at Quincy. 1036 Comment
  POM198347  Bromus japonicus H. S. Yates 1913-6-24 s.n. Plumas Massack Comment
  CDA13439  Bromus orcuttianus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13286 Plumas Sierra Nevada; Common perennial in open sites at edge of forest. Dry, rocky ridgetop on USFS 23N11A. Open, dry flats with Artemisia tridentata. Forest here dominated by Abies concolor, Pinus jeffreyi. Comment
  RSA795000  Bromus orcuttianus L. Ahart, John Dittes 2009-7-15 16092 Plumas Under the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  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
  CHSC91943  Bromus suksdorfii Lowell Ahart; Josephine Guardino 2005-8-9 12259 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
  CAS-BOT-BC161351  Bromus tectorum John Thomas Howell 1977-6-20 52410 Plumas SIerra Nevada. On the peninsula of Lake Almanor. 1371 Comment
  CAS-BOT-BC161357  Bromus tectorum John Thomas Howell 1961-6-21 36672 Plumas Sierra Nevada. Guerneville. 1097 Comment
  SEINET260545 Image available Bromus vulgaris Michael Cutler, Janice Cutler 1992-6-11 Plumas Ca 0.5 mi S of Quincy; Boyle Ravine; Qunicy 1950 Quad 589-2C. 1100 Comment
  RSA101419  Callitriche heterophylla R. Weatherby 1955-8-12 1684 Plumas Meadow on upper Clear Creek, below Spanish Peak. 1829 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
  CAS-BOT-BC85761  Calocedrus decurrens Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC132242  Calochortus W. Harnach; N. Harnach 1990-6-13 364 Plumas Sierra Valley. Ramelli Ranch (USFS) 1487 Comment
  CHSC33601  Calochortus leichtlinii M. S. Taylor; M. Foster 1981-6-8 3871 Plumas N side of 24N08, just n of its jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 air mi n of w end of Lake Davis. 1706 Comment
  CHSC76152  Calochortus leichtlinii G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3206 Plumas Mt. Hough-Crystal Lake Road 0.5 mile north of Taylor Creek Road (to Solomon Saddle). 1584 Comment
  CAS-BOT-BC493113  Calochortus monophyllus Mrs. S. Earle Kelley 1919-1-1 s.n. Plumas Salmon Lake Comment
  CHSC21108  Calochortus nudus F. T. Griggs; A. Pass 1975-7-1 5 Plumas East of Grizzly Creek. Comment
  CHSC62606  Calochortus nudus B. Castro 1993-7-8 473 Plumas Ca 0.5 mi W of turnoff to Bucks Lodge and other Bucks Lake resorts, off the S end of Haskins Bay ca 100 ft S of the Oro-Quincy Hwy. 1569 Comment
  CAS-BOT-BC493421  Calochortus nudus T. S. Brandegee 1892-7-4 s.n. Plumas Prattsville Comment
  CAS-BOT-BC493427  Calochortus nudus Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  UC1299334  Calochortus nudus Freed W. Hoffman 1946-6-12 678 Plumas near Jackson Creek Camp; Jackson Creek Comment
  CHSC21549  Calyptridium monospermum D. E. Brink Jr.; L. M. Mayer 1975-7-2 Plumas Bucks Lake Floristic Survey. Especially abundant in open dry areas. Comment
  UC1136659  Calyptridium monospermum D. Axelrod 1934-6-9 34 Plumas 2 mi nw of Lexington Hill (Plumas National Forest); Plumas National Forest 1767 Comment
  JEPS103356  Calyptridium umbellatum Lowell Ahart 2002-6-26 9778 Plumas On the E side of the poor road, ca 1/2 mile S of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, ca 1 mile (air) NW of Little Grass Valley Reservoir dam, ca 4 miles (air) NW of La Porte. 1796 Comment
  SBBG1924  Calyptridium umbellatum H. and M. Dearing 1939-5-9 3323 Plumas near Graeagle Comment
  CAS-BOT-BC221250  Calystegia malacophylla subsp. malacophylla Alice Eastwood 1927-6-15 14512 Plumas United States Forest Reserve. Forest Lodge near Greenville Comment
  CHSC118707  Calystegia occidentalis Wendy L. Boes; Jim Battagin 2015-5-12 2015001 C Plumas Plumas National Forest. Location between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. UTM 652180 E, 4433328 N, NAD83 Zone 10N. 792 Comment
  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
  CAS-BOT-BC160836  Camissonia tanacetifolia subsp. quadriperforata John Thomas Howell 1955-7-19 30753 Plumas Beckwourth 1493 Comment
  SEINET10463033  Campanula prenanthoides Ira L. Wiggins 1948-9-15 Wiggins 12052 Plumas RIDGE BETWEEN ONION CR & MIDDLE FORK FEATHER RIVER Comment
  SEINET10905901  Campanula prenanthoides Willis L. Jepson 1929-7-29 Jepson 19274 Plumas Spring Hill Trail, Meadow Valley 1219 Comment
  SEINET10905902  Campanula prenanthoides Walter Knight, Irja Knight; John Thomas Howell 1966-7-27 Knight 1553 Plumas At low end of Butterfly Canyon 975 Comment
  JEPS100357  Cardamine breweri var. breweri Dean W. Taylor 2001-6-6 17781 Plumas headwaters Onion Creek about 0.25 air miles SW of American House, along Forest Road 21N01Y 1432 Comment
  CAS-BOT-BC471264  Cardamine cordifolia John Thomas Howell; Gordon H. True; Wayne Dakan 1974-7-30 50635 Plumas Sierra Nevada. Headwaters of Indian Creek SE of Diamond Mt. 2164 Comment
  SEINET5341058  Cardamine cordifolia P. A. Lehenbauer 1926-5-31 1498 Plumas Clover Creek, Plumas Nat. Forest. Comment
  CHSC32815  Cardamine nuttallii var. covilleana W. Michael Foster 1981-4-15 3 Plumas Ca. 1 1/4 mi s of Johnsville and ca. 12 mi w of Portola. 1524 Comment
  CHSC87635  Cardamine nuttallii var. covilleana Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10930 Plumas Along Rinehart Creek, southwest slope of Grizzly Peak, about 1 1/4 miles (air) west of Grizzly Peak, about 8 1/4 miles (air) northeast of Quincy. 1955 Comment
  CAS-BOT-BC38088  Cardamine pachystigma Walter Knight; Irja Knight; John Thomas Howell; Gordon H. True 1967-5-8 1788 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek. 1036 Comment
  CAS-BOT-BC38119  Cardamine pensylvanica Alice Eastwood 1927-6-17 14664 Plumas Long Valley. Near Greenville. Comment
  CAS-BOT-BC18349  Carex John Thomas Howell; Gordon H. True 1968-6-10 44550 Plumas Sierra Nevada. Quincy. 1036 Comment
  CAS-BOT-BC18352  Carex John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54183 Plumas Sierra Nevada. Long Valley at road to Maxwell Mine. 1633 Comment
  CAS-BOT-BC18361  Carex John Thomas Howell 1951-6-26 27536 Plumas Sierra Nevada. Feather River Canyon. 853 Comment
  SEINET4292244 Image available Carex abrupta L. Ahart, Dittes, J; Guardino, J; Schlising, R 2004-1 11172 Plumas North side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile(air) southwest of Grizzly Peak, about 5 miles(air) south of Taylorsville, about 8 miles(air)ortheast of Quincy. Red Fir Forest. Comment
  CHSC47351  Carex angustata L. P. Janeway 1989-6-15 3315 Plumas Plumas National Forest. Pond across road from springy slope; jct of roads 111 (Beckwourth-Genesee Rd) and rd 24N49Y; near N end of Crocker Valley. 1730 Comment
  CHSC97254  Carex angustata Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14475 Plumas About 100 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
  JEPS102948  Carex angustata L. P. Janeway 1995-7-23 4870 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
  JEPS123947  Carex angustata Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20423 Plumas On the west side of Duck Lake (near Blue Lake), 1,180 feet north of Forest Service Road 29N18, 3.19 air miles west-southwest of Sifford Mt., 6.41 air miles south-southeast of Lassen Peak. Comment
  CAS-BOT-BC17932  Carex angustata L. P. Janeway 1990-7-3 3760 Plumas Plumas National Forest. Beckwourth Ranger District. Cascade Compartment. 1905 Comment
  JEPS63509  Carex angustata W. L. Jepson 1939-7-30 19286 Plumas Spanish Creek headwater, between Fales Hill and Chaparral Hill 1584 Comment
  CAS-BOT-BC19725  Carex athrostachya John Thomas Howell 1951-6-27 27591 Plumas Sierra Nevada. McRae Meadow. 1981 Comment
  JEPS113801  Carex athrostachya Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14032 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  SEINET4292086 Image available Carex athrostachya L. Ahart, Dittes, J 2007-1 14165 Plumas Yellow Pine Forest, west bank of Red Clover Creek, about 30 yards east of County Road 111(Beckwourth Gensee Road),about 1/4 mile east of bridge acroos Red Clover Creek, Red CloverValley, about mi(air) north of the north end of Lake Davis Comment
  UCD108032  Carex athrostachya Tim Kuhn 2006-7-11 72 Plumas on Plumas NF forest service road 107407. Comment
  CAS-BOT-BC19740  Carex athrostachya W. Harnach; N. Harnach 1991-6-17 552 Plumas Sierra Valley. 0.75 mile west of Steel Bridge on Marble Lane. 1485 Comment
  CHSC94099  Carex aurea Lowell Ahart 2006-7-9 12915 Plumas Small bog or wet meadow, below the basalt gravel road, about 2 miles (air) west of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir. 1648 Comment
  UCD140125  Carex aurea John Thomas Howell 1960-7-18 35508 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC19134  Carex aurea W. W. Eggleston 1911-8-15 7593 Plumas Little Grizzly Ranger Station. Soda Creek. 1400 Comment
  UC338344  Carex aurea Lemmon 1889-5-26 Plumas Culver's ranch Mohawk Valley, Culver's ranch Comment
  CAS-BOT-BC19528  Carex bolanderi Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1491 Plumas Butterfly Botanical Area and Vicinity. Fern Glen along roadside. 1097 Comment
  CAS-BOT-BC19638  Carex brainerdii L. P. Janeway 1984-9-25 1175 Plumas Southwest side of Humbug Valley near Miller Ravine. 1341 Comment
  CHSC94117  Carex brainerdii Lowell Ahart 2006-7-3 12901 Plumas Near the southwest 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
  JEPS109101  Carex brainerdii D. W. Taylor 2008-6-18 20221 Plumas Plumas National Forest, watershed of N Fork Feather River, S Fork Rock Creek, along Forest Road 24N28. Comment
  SD107305  Carex brainerdii Christopher Davidson 1975-6-7 2732 Plumas Ca. 3 miles west on Humboldt Road; branching west of Highway 89; west of Lake Almanor; shade. 1524 Comment
  UCD140197  Carex brainerdii L. P. Janeway 1996-6-4 4985 Plumas 0.5 mile northeast of Deer Creek and 2.0 mile south of Spanish Creek; north side of logging spur road 0.6 mile east of Road 24N23X. 1318 Comment
  CAS-BOT-BC110187  Carex buxbaumii John Thomas Howell 1976-7-15 51872 Plumas Sierra Nevada. Snake Lake, about 4 miles northwest of Quincy. 1219 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
  SEINET7553523 Image available Carex canescens L. P. Janeway 2003-7-9 7904 Plumas High Cascade Range. South edge of marsh at southeast end of Willow Lake. Mt. Harkness 7.5' quad. 1656 Comment
  JEPS113654  Carex douglasii Lowell Ahart, John Dittes 2007-6-16 14134 Plumas East of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UCR123513  Carex douglasii George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6874 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  CAS-BOT-BC20598  Carex douglasii Lloyd W. Swift 1931-5-31 42 Plumas Plumas Forest. Murdock Crossing. 2nd meadow, east side. 1676 Comment
  CAS-BOT-BC20085  Carex echinata Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1676 Plumas Butterfly Botanical Area and Vicinity. Sweetwater Meadow. 1127 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
  RSA60234  Carex feta E. K. Balls 1950-8-31 15530 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  JEPS63723  Carex feta W. L. Jepson 1910-6-16 4140 Plumas Quincy American Valley, Quincy 1036 Comment
  CDA13409  Carex fracta G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13258 Plumas Sierra Nevada; Bull Run Creek off USFS 23N12E. E of Quincy. Comment
  CHSC52544  Carex fracta L. P. Janeway 1989-7-12 3483 Plumas Plumas National Forest. Along Jackson Cr; rd 23N11 2.3 mi from Hwy 70/89 then 2.2 mi on rd 23N48 into Jackson Cr. 1783 Comment
  CHSC65521  Carex fracta L. P. Janeway 1995-8-30 4902 Plumas Along West Branch Humbug Creek 2.3 mi south of Smith Peak. 1630 Comment
  CHSC92294  Carex fracta Lowell Ahart; Josephine Guardino 2005-8-10 12318 Plumas South of a small wet meadow, south of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  JEPS107618  Carex fracta Lowell Ahart, Josephine Guardino 2005-8-9 12289 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  RSA201288  Carex fracta J. T. Howell 1960-7-19 35676 Plumas Drakesbad. 1677 Comment
  SEINET4231857 Image available Carex fracta Unknown 2008-1 15177 Plumas West edge of LaPorte Road, west of East Branch Creek, about 1-3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of LaPorte. Comment
  SEINET10650688  Carex fracta Lewis S. Rose 1939-6-7 Rose 39254 Plumas 3 mi. n. of Pulga, N. fork of Feather River. 518 Comment
  CAS-BOT-BC32026  Carex geyeri L. P. Janeway 1992-6-9 4225 Plumas Mt. Ingalls quad, NE side of Grizzly Ridge between Joseph Creek and Cascade Creek, 1897 Comment
  UC1042350  Carex gigas John Thomas Howell 1951-6-26 27535 Plumas Feather River Canyon Sierra Nevada 853 Comment
  JEPS120104  Carex hassei Lowell Ahart 2012-7-1 18263 Plumas About 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. Comment
  CDA13994  Carex heteroneura G. F. Hrusa, T. D. Wilfred 1996-8-1 13452 Plumas Sierra Nevada; about Brady's Camp. Pine Creek Valley, ~ 1/2 mi. NE Argentine Rock. Comment
  CDA14593  Carex heteroneura var. heteroneura G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3077 Plumas Headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  CHSC67400  Carex hoodii James D. Jokerst 1985-6-10 2410 Plumas Adjacent to Indian Creek 400 m S of Hwy. 70, ca. 2 mi SW of Crescent. Comment
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Jun 25 2008
  CHSC99377  Carex infirminervia Robert F. C. Naczi; Lawrence P. Janeway 2004-7-24 10534 Plumas Ca. 14 mi WSW of village of Almanor, down road from Humboldt Summit, at stream crossing by Humboldt Road (county route 308). On bank of stream. 1777 Comment
  CAS-BOT-BC7743  Carex integra John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54167 Plumas 3.25 miles west of Round Valley Reservoir dam. 1633 Comment
  JEPS87741  Carex integra Lowell Ahart 1994-6-15 7343 Plumas near intersection of Lumpkin Ridge Road and road to Tamarack Flat (about 200 yards e of a logging road, about 1 mile (air) w of Little Grass Valley Reservoir) 1767 Comment
  SEINET4292190 Image available Carex integra Unknown 1995-1 4873 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. Dogwood Peak quad. Comment
  CHSC102600  Carex laeviculmis L. P. Janeway; B. Castro 2009-7-18 9863 Plumas Northern High Sierra Nevada. Lower end of Rock Island Ridge, just southwest of (below) Road 23N27, 0.3 road km south of the 18 Road. 1526 Comment
  JEPS124411  Carex laeviculmis Lowell Ahart 2015-7-4 20276 Plumas About 1/2 mile west of the of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  RSA59664  Carex lasiocarpa E. K. Balls 1950-9-9 15734 Plumas West of Lakes Center Public Campgound. 2043 Comment
  JEPS100356  Carex lemmonii Dean W. Taylor 2001-6-6 17782 Plumas headwaters Onion Creek about 0.25 air miles SW of American House, along Forest Road 21N01Y 1432 Comment
  JEPS115935  Carex lemmonii Lowell Ahart, John Dittes 2009-7-13 16032 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
  JEPS95336  Carex lemmonii Lowell Ahart 1994-6-15 7342 Plumas 200 yds E of a logging road, near the int. of Lumpkin Ridge Road and the road to Tamarack Flat, 1 air mile W of Little Grass Valley Reservoir 1767 Comment
  CHSC94174  Carex lenticularis var. impressa Lowell Ahart 2006-7-9 12922 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. 1678 Comment
  SEINET3450854  Carex lenticularis var. impressa Unknown 2003-7-18 10433 Plumas La Porte, La Porte, about 5 air miles northwest, about 2 air miles northwest of Little Grass Valley Reservoir dam, about 1 mile southeast of Tamarack Flat, about 0.75 miles west of Lumpkin Ridge Road, east side of the road 1750 Comment
  CHSC40412  Carex lenticularis var. lipocarpa Lowell Ahart 1985-7-3 5101 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
  CHSC58526  Carex lenticularis var. lipocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5041 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC78916  Carex lenticularis var. lipocarpa L. P. Janeway 2000-7-7 6883 Plumas Northen High Sierra Nevada. Drainage bottom at head of an upper northern branch of Spanish Creek., about 1.1 km northeast of Maple Flat. 1609 Comment
  SEINET7564699 Image available Carex lenticularis var. lipocarpa Unknown 2003-9-6 7976 Plumas High Cascade Range. Along un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. Red Cinder 7.5' quad. 2057 Comment
  CAS-BOT-BC28514  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-25 44241 Plumas Chambers Lodge, Lake Tahoe. 1920 Comment
  CDA36399  Carex leporinella G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-25 3319 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between the road and Lights Creek. 1341 Comment
  SEINET10706966  Carex limosa Vernon H. Oswald, Lowell Ahart 1988-8-4 Oswald 3678 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. 1676 Comment
  RSA101476  Carex luzulifolia R. Weatherby 1955-6-26 1543 Plumas Mud Lake, Lakes Basin Area. 2104 Comment
  CAS-BOT-BC31638  Carex luzulina var. ablata George Wilson Gillett 1957-7-19 854 Plumas Near trail above the Devils Kitchen, just beyond very large spring. 2057 Comment
  CAS-BOT-BC31643  Carex luzulina var. ablata Catherine McWilliams 1971-9-1 s.n. Plumas South slope of Eureka Peak, Plumas-Eureka State Park. 1706 Comment
  SEINET10711246  Carex mariposana John Thomas Howell 1981-6-25 Howell 54343 Plumas 2.8 miles north-northeast of Englemine on Diamond Mt. Road. 1341 Comment
  JEPS120145  Carex mendocinensis Lowell Ahart 2012-7-1 18251 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  CAS-BOT-BC32075  Carex multicaulis Alice Eastwood 1929-6-1 14657 Plumas Forest Lodge near Greenville. Comment
  CHSC55441  Carex multicostata L. P. Janeway 1990-7-2 3749 Plumas Plumas National Forest. About 100 ft west of Paradise Cr and about 1/3 mi south of Little Grizzly Cr. 1828 Comment
  CHSC20765  Carex nebrascensis K. R. Stern 1975-7-24 5870 Plumas SW shore of Lake Almanor. 1371 Comment
  CHSC47343  Carex nebrascensis L. P. Janeway 1989-6-16 3334 Plumas Plumas National Forest. West end of Grizzly Valley. 1783 Comment
  CHSC76817  Carex nebrascensis G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3323 Plumas 2.8 miles N-NE of Engle Mine townsite on Diamond Mountain Road, between road and Lights Creek. 1341 Comment
  CAS-BOT-BC119857  Carex nebrascensis Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-19 1457 Plumas Marshy pond on SE side of Portola. Comment
  CAS-BOT-BC119688  Carex nervina Thomas Griggs 1975-6-1 s.n. Plumas Bucks Lake area. Comment
  SEINET7569425 Image available Carex nudata David Castaner 1984-5-28 8057 Plumas Indian Creek Falls, junction Highways 70 and 89. Comment
  CHSC92310  Carex pachystachya Lowell Ahart; Josephine Guardino 2005-8-9 12256 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
  JEPS96134  Carex pellita Vernon H. Oswald and Lowell Ahart 1996-7-15 8045 Plumas e side of marsh ca. 1.4 mi s Last Chance Campground (n side of lake, at streams and marshy meadow extending e from road 29N11); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  CHSC118718  Carex pellita Wendy Boes 2014-7-16 2014 006 B Plumas Wetland above Gray Eagle Lodge, Lakes Basin, Plumas National Forest. UTM 700074 E, 4399690 N, NAD83, Zone 10N. 2109 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
  CDA17813  Carex rossii G. D. Barbe, J. T. Howell (54267 at CAS) & T. C. Fuller 1981-6-24 3269 Plumas Summit of Mt. Hough. 2194 Comment
  CHSC41162  Carex rossii L. P. Janeway 1985-6-27 1203 Plumas Plumas National Forest. Near the U.C. Forestry Camp, southwest of Meadow Valley. 1182 Comment
  CAS-BOT-BC117519  Carex sheldonii L. P. Janeway; Jim Battigan; Stacy Scott 1989-7-6 3453 Plumas Along Red Clover Cr and Red Clover Valley, 1.5 mi W of the Clover Valley Ranch bldgs 1652 Comment
  CAS-BOT-BC117523  Carex sheldonii L. P. Janeway 1992-6-4 4210 Plumas South side of road to Plumas-Eureka State Park (Rd 506) across from turn to Plumas Pines, 1341 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-BC117740  Carex simulata Sawyer 1935-6-7 82 Plumas 3 3/4 mi SSW of Sugarloaf, Sierra Valley. 1493 Comment
  CAS-BOT-BC117744  Carex simulata Mrs. H. C. Cantelow 1938-7-4 2273 Plumas Meadow at Drakesbad. Near edge of streamlet. Comment
  CHSC52354  Carex specifica L. P. Janeway 1990-7-18 3805 Plumas Plumas National Forest. Near Emigrant Creek 1/4 mi north of the crest of Grizzly Ridge. 2103 Comment
  SEINET7575696 Image available Carex spectabilis L. P. Janeway 2003-9-20 7999 Plumas Gold Lake 7.5' quad, Northern High Sierra Nevada, in cirque 0.15 km southwest (up-drainage) of Hellgramite Lake, northeast side of Sierra Nevada Crest, Lakes Basin Recreation Area. 2115 Comment
  CAS-BOT-BC114999  Carex subfusca John Thomas Howell 1960-7-20 35712 Plumas Dry, open rocky meadow in Drakesbad. 1828 Comment
  CAS-BOT-BC115996  Carex subfusca John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54116 Plumas 10.6 mi NE of La Porte on road to Quincy. 1889 Comment
  CDA13364  Carex subfusca G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13213 Plumas Sierra Nevada; N side of Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Rattlesnake Creek drainage. Comment
  CHSC92307  Carex subfusca Lowell Ahart; Josephine Guardino 2005-8-10 12304 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  CHSC94144  Carex subfusca Lowell Ahart 2006-7-9 12923 Plumas Small seep in a small open area in brush, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  JEPS63580  Carex subfusca W. L. Jepson 1924-7-22 10622 Plumas Dogwood Creek, Rich Point, Middle Fork Feather River 1127 Comment
  SEINET4292054 Image available Carex subfusca L. Janeway, Naczi, R 2004-1 8186 Plumas High Cascade Range. Large willow meadow along a western tributary of Butt Creek, 2.4 air km north of Humboldt Summit South edge of the meadow. Comment
  CAS-BOT-BC115403  Carex utriculata Walter Knight; Irja Knight 1966-6-19 1625 Plumas In very damp area, North end of Pond Reservoir. 1097 Comment
  CHSC45754  Carex utriculata L. P. Janeway 1984-7-13 907 Plumas Mdw near Grizzly Cr FS Campground, SW of Bucks Lake. 1584 Comment
  UCD140974  Carex vesicaria John Thomas Howell 1960-7-19 35626 Plumas Drakesbad. Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC115145  Carex vesicaria Frank Warrington Peirson 1926-6-21 6788 Plumas Open flat strip along shore of Lake, Lake Almanor. Comment
  CAS-BOT-BC115153  Carex vesicaria Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1411 Plumas Ca 100 yds NW of Pond reservoir. Butterfly Botanical Area. 1097 Comment
  CHSC47148  Carex whitneyi L. P. Janeway 1989-6-8 3274 Plumas Plumas National Forest. Near Jackson Cr, just E of Feather River Hwy (hwy 70/89) ca 1000 ft E of Jackson Cr campground. 1402 Comment
  RSA700277  Carex whitneyi L. P. Janeway 2001-6-15 7181 Plumas High Cascade Range. East side of Humbug Road about 2.7 km. southwest of shore of Lake Almanor, 4.0 miles west of Prattville. 1399 Comment
  UCD40405  Castilleja applegatei Rodney Gale Myatt 1971-6-13 736 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  CAS-BOT-BC249715  Castilleja applegatei subsp. pinetorum Ella Dales Cantelow 1939-5-20 4378 Plumas Nr. Rock Creek Rd. W. of Quincy Comment
  CAS-BOT-BC249726  Castilleja applegatei subsp. pinetorum F. Thos. Griggs 1975-1-1 227 Plumas Bucks Lake Area Comment
  CAS-BOT-BC249730  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-6-21 4705 Plumas Ca. 1/4 mi w of Eureka Ridge Rd (23N09), ca. 3/4 mi w of White Cap, ca. 3 air mi sw of Sloat 1767 Comment
  CAS-BOT-BC249734  Castilleja applegatei subsp. pinetorum Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l Park Comment
  CHSC53068  Castilleja applegatei subsp. pinetorum L. P. Janeway 1989-6-20 3347 Plumas Plumas National Forest. Forest along SW side of Red Clover Valley. 1691 Comment
  JEPS81471  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-6-21 4705 Plumas ca 3 air mi sw Sloat (ca 0.25 mi w of Eureka Ridge Rd (23N09), ca 0.75 mi w of White Cap); Blue Nose Mt. Quad. 1767 Comment
  JEPS81609  Castilleja applegatei subsp. pinetorum M. S. Taylor 1982-9-1 5086 Plumas ca 15 mi ne Taylorsville; Diamond Mt. Quad., Red Rock Lookout 2316 Comment
  RSA165518  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-16 7459 Plumas Diamond Peak. Comment
  SBBG6726  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1938-7-17 2259 Plumas E of Lake Almanor Comment
  CHSC82129  Castilleja arachnoidea L. P. Janeway; B. Castro 2001-6-22 7370 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  JEPS3892  Castilleja arachnoidea Mrs. Emanuel Esther C. Fritz 1933-7-15 Plumas Summit of Spanish Peak along road Summit of Spanish Peak 2133 Comment
  SEINET13737583  Castilleja campestris W. Harnach, N. Harnach 1990-5-27 326 Plumas Sierra Valley, Harriot Lane, one mile S of Dyson Lane. Comment
  SEINET8584721  Castilleja campestris W. Harnach 2013-5-18 1355 Plumas Sierra Valley, on Marble Lane, 0.25 miles E of County Road A-23, S of Beckwourth 1491 Comment
  JEPS62839  Castilleja campestris subsp. campestris John Weiler 1970-7-2 70178 Plumas 5.8 mi n Highway 49 (w of Loyalton, along Harriet Lane) 1524 Comment
  CAS-BOT-BC254071  Castilleja miniata A. A. Heller; P. B. Kennedy 1907-7-15 8846 Plumas Near mouth of Little Grizzly creek below Genessee Comment
  JEPS80887  Castilleja miniata M. S. Taylor 1981-8-20 4231 Plumas ca 2 mi se Canyon Dam (s side of Fox Rd (27N92) at jct with creek); Almanor NE Quad. 1676 Comment
  JEPS81480  Castilleja miniata M. S. Taylor 1982-8-4 4916 Plumas ca 1 mi nw Taylor Rock (n side of Solomon Saddle Rd, ca 7 air mi ne of Quincy); Greenville SE Quad. 1889 Comment
  RSA184952  Castilleja miniata L. S. Rose 1966-7-28 66073 Plumas Quincy. 1067 Comment
  CAS-BOT-BC254058  Castilleja miniata Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk, on hill south of Onion Valley 2000 Comment
  JEPS102354  Castilleja miniata subsp. miniata Lowell Ahart 2001-7-19 8946 Plumas about 2 1/2 air miles SE of Pilot Peak (Hopkins Creek, about 100 yds. NW of East Branch, about 1/2 air miles S of Turkey Town) 1828 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
  JEPS95833  Castilleja miniata subsp. miniata Lowell Ahart 1999-7-15 8094 Plumas about 50 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
  RSA516609  Castilleja payneae R. C. Bacigalupi, Aldo Bacigalupi 1952-8-19 3951 Plumas To the east of Long Lake. 2043 Comment
  CHSC28395  Castilleja pilosa J. D. Jokerst 1979-7-8 284 Plumas N. W. slope of Ben Lomond Peak. 1828 Comment
  UC1012467  Castilleja pilosa Francis W. Pennell 1940-6-12 25820 Plumas 5 mi s Beckwourth; Sierra Valley 1493 Comment
  SEINET14164078  Castilleja pilosa var. pilosa A. A. Heller, P. B. Kennedy 1907-7-5 8747 Plumas Red Clover Valley. Comment
  CHSC101514  Castilleja tenuis G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16316 Plumas Willow Creek Rd. 1.6 mi NW of Hwy 70 and 2.6 mi W on 70 from town of Portola. 1554 Comment
  CHSC36206  Castilleja tenuis M. S. Taylor 1982-7-8 4800 Plumas On Ramelli Ranch on s side of Feather River in dry edges, ca. 1 mi se of Beckwourth. 1487 Comment
  CHSC62592  Castilleja tenuis B. Castro 1987-6-21 132 Plumas E side of Little Grass Valley Reservoir. 1524 Comment
  CHSC96934  Castilleja tenuis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14026 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  CHSC97061  Castilleja tenuis Lowell Ahart; Josephine Guardino 2007-7-20 14351 Plumas Strand of Lake Davis, about 100 yards southeast of Long Point, northeast side of Lake Davis. 1763 Comment
  JEPS80627  Castilleja tenuis M. S. Taylor 1981-6-10 3881 A Plumas ca 11 air mi nw Beckwourth (ca 0.75 mi n of Genesee-Beckwourth Rd, Overland Inc. Ranches, in Red Clover Valley); Crocker Mt. Quad., Red Clover Valley 1676 Comment
  CDA14746  Ceanothus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3292 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  UC1071261  Ceanothus R. D. Roseberry 1934-11-10 14 Plumas 1 mi sw Mt. Jackson; Plumas National Forest, Downieville Quad. Comment
  SEINET13946231 Image available Ceanothus Joseph Andorfer Ewan 1934-1 8289 Plumas near Sierra Co. Line and Gold Lake road 1829 Comment
  CAS-BOT-BC47867  Ceanothus cordulatus Ella Dales Cantelow 1939-5-20 2560 Plumas Lake Almanor Comment
  CAS-BOT-BC48611  Ceanothus cordulatus Walter Knight; Irja Knight 1966-6-19 1319 Plumas Butterfly Valley 1158 Comment
  CAS-BOT-BC48712  Ceanothus cordulatus Anna Head 1921-7-11 s.n. Plumas near top of Indian Pk, Feather River Region 2133 Comment
  UC1070956  Ceanothus cordulatus E. Sawyer 1935-7-2 271 Plumas 4.5 mi s Crow; Sierraville quad, Plumas Nat. For. 1950 Comment
  UC1070985  Ceanothus cordulatus R. Roseberry 1934-11-4 3 Plumas 1.5 mi ne Johnsville; Downieville quad, Plumas Nat. For. 1493 Comment
  CAS-BOT-BC49225  Ceanothus cuneatus C. R. Quick 1942-8-3 42 -56 Plumas SE of Meadow Valley on the Rock Creek Road Comment
  CAS-BOT-BC50728  Ceanothus integerrimus Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2152 Plumas Butterfly Botanical Area and Vicinity - Beargrass Glade 1127 Comment
  CHSC21030  Ceanothus integerrimus F. T. Griggs; A. Pass 1975-7-3 67 Plumas Bucks Lake Forest Service Survey North of Grizzly Forebay. Comment
  JEPS103362  Ceanothus integerrimus Lowell Ahart 2002-7-6 9844 Plumas On the W side of the dirt road and E of the large meadow, on Rock Island Ridge, ca 3/4 mile SE of Soapstone Hill and the Oroville Quincy Highway, ca 1 1/2 miles (air) NE of Four Trees. 1611 Comment
  JEPS42130  Ceanothus integerrimus E. Fritz 1936-6-14 Plumas near Meadow Valley (Silver Lake Rd) 1524 Comment
  SDSU10325  Ceanothus integerrimus D. F. Howe 1960-8-20 2985 Plumas Norht fork of Feather River, 41 miles from Oroville. 610 Comment
  JEPS48728  Ceanothus integerrimus John W. Duffield 1937-6-9 Plumas rd to Quincy 1097 Comment
  SEINET7720974  Ceanothus integerrimus Unknown 1876-1 Plumas American Valley Comment
  CAS-BOT-BC51043  Ceanothus integerrimus var. macrothyrsus Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Gold Valley Comment
  RSA60128  Ceanothus integerrimus var. puberulus E. K. Balls 1950-9-4 15671 Plumas 2 miles from Feather River Ezperiment Station, Quincy, on roa to Snake Lake. 1159 Comment
  CDA13442  Ceanothus prostratus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13289 Plumas Sierra Nevada; 5 mi. east of Sloat on USFS 23N11A. 1889 Comment
  CDA13755  Ceanothus prostratus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13487 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Comment
  RSA59352  Ceanothus prostratus E. K. Balls 1950-9-2 15623 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  SEINET196484  Ceanothus prostratus J. M. Tucker 1948-7-25 1747 Plumas Southwest side of Camel's Peak ca. 0.75 miles west of mine of United Mining Co Comment
  UC1071279  Ceanothus prostratus C. W. Hanks 1934-8-8 15 Plumas ridge top nw Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  UC1281210  Ceanothus prostratus H. E. McMinn 1941-8-27 5390 Plumas Blairsden Comment
  UCD112649  Ceanothus prostratus B. Crampton 1954-5-10 1863 Plumas 1.5 miles northeast of Portola. 1524 Comment
  UCD69666  Ceanothus prostratus Ernie Bell 1982-5-23 28 Plumas West end of Snake Lake about 10 miles south of Quincy; yellow pine forest community dominated by pines; dry, sandy loam soil with a light canopy; herb,4-5 cm tall, flower purple. 1219 Comment
  CHSC64130  Ceanothus velutinus B. Castro; R. A. Schlising 1987-7-21 181 Plumas Ca 6 mi E of Graegle and 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98, on sunny hillside just NE of spring on unnamed E-trending tributary to Mohawk Ck and above a small meadow which extends down to Rd 22N98. 1600 Comment
  RSA52894  Ceanothus velutinus R. Weatherby 1950-8-11 1515 Plumas Mount Elwell, Lakes Basin area 2378 Comment
  SD7226  Ceanothus velutinus Daniel Cleveland 1884-6-6 Plumas Big Meadows Comment
  UC1071474  Ceanothus velutinus F. W. Embree 1934-6-6 80 Plumas 1 mi s, 0.25 mi w Rutherford; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  CAS-BOT-BC63190  Ceanothus velutinus var. velutinus Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-2 865 Plumas On n. edge of Smith Lake, 5 km. nw. of Quincy. 1500 Comment
  JEPS48726  Ceanothus velutinus var. velutinus John W. Duffield 1937-6-5 Plumas Valley Creek Comment
  SEINET10473681  Centaurea cyanus Mary Susan Taylor 1982-6-24 Taylor 4751 Plumas T24N R9E ne/ne sec 15. Quincy quad. N side of ridge at entrance to Gansner Park from Hwy 70, Quincy. Open bare rdcut. 3500 ft. 1069 Comment
  CAS-BOT-BC277041  Centaurea maculosa J. Budaj 1966-9-30 s.n. Plumas Sulphur Springs Rd. & Hwy 89, at the Sierra Co. line, s.e. of Clio Comment
  RSA59237  Centaurea solstitialis E. K. Balls 1950-8-31 15525 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  CHSC108046  Centaurea stoebe subsp. micranthos L. P. Janeway 2011-8-23 10673 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 22N95 at Road 22N05; headwaters of Negro Run Ravine on the upper south slope of Hartman Bar Ridge. 1538 Comment
  JEPS98962  Centaurea stoebe subsp. micranthos Lowell Ahart 2001-7-11 8887 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
  CAS-BOT-BC106075  Centaurea virgata subsp. squarrosa Margaret Williams; Emily K. Mcpherson 1975-8-5 74 -P-2 Plumas About 1 mi. north of Chilcoot on road to Frenchman's Dam - Sierra Nevada 1524 Comment
  RSA715607  Cerastium arvense L. Ahart, Richard K. Rabeler, L. P. Janeway, L. Hanson 2005-4-20 11751 Plumas On the south side Hwy 70, about 200 yards SW of Grizzly Creek, about 1.5 miles NE of the Arch Rock Shady Rest Area. 484 Comment
  CAS-BOT-BC384933  Cerastium arvense John Thomas Howell 1961-9-22 36792 Plumas At Lewisia Rock, North Fork of Feather River 640 Comment
  CAS-BOT-BC388185  Cerastium fontanum Clarence R. Quick 1963-8-23 63 -101 Plumas West of creek, Cottonwood Creek Crossing, southwest of Humbug Valley Comment
  CAS-BOT-BC388356  Cerastium glomeratum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-6-12 1994 Plumas Butterfly Botanical Area and Vicinity. Valley proper, near barn 1036 Comment
  CAS-BOT-BC276720  Chaenactis douglasii var. douglasii R. C. Wenk 2009-7-13 1117 Plumas Plumas National Forest, Frenchman Lake, Little Last Chance Creek Road, 1.2 air miles WNW of reservoir dam 1750 Comment
  CAS-BOT-BC276724  Chaenactis douglasii var. douglasii John Thomas Howell 1975-6-16 51149 Plumas 2 miles NW of Spring Garden 1173 Comment
  CAS-BOT-BC276736  Chaenactis douglasii var. douglasii Alice Eastwood 1927-6-15 14615 Plumas On trail to Long Valley, United States Forest Reserve Comment
  JEPS127325  Chaenactis douglasii var. douglasii Lowell Ahart 2016-6-29 21082 Plumas Top and southeast side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CHSC74005  Chamaesaracha nana B. Castro; L. Gehrung 1998-9-29 845 Plumas Ca 4.5 air mi NE of Little Grass Valley Reservoir, on ridge system west of Pilot Peak, on S side of USFS Rd 22N60. On S edge of ridgetop, ca 50 ft S of the Pacific Crest Trail. 1993 Comment
  CAS-BOT-BC66351  Cheilanthes covillei John Thomas Howell 1967-6-22 42659 Plumas near mouth of Chambers Creek, Canyon of the Feather River North Fork 609 Comment
  CAS-BOT-BC70202  Cheilanthes gracillima Mrs. R. M. Austin 1876-9-1 s.n. Plumas unspecified Comment
  CHSC115776  Cheilanthes gracillima Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20416 Plumas Rock outcrop on the south side of Blue Lake, 2710 feet noth of Forest Service Road 29N18, 289 air-miles west-southwestof Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  UCSB46168  Cheilanthes gracillima Reisentz, Paul 1979-5-12 Plumas Near Chambers Creek, 6mi S of Beldon Comment
  JEPS113589  Chenopodium album Lowell Ahart, Josephine Guardino 2007-7-20 14348 Plumas Parking area at the end of Long Point, northeast side of Lake Davis 1763 Comment
  UCSB64002  Chenopodium berlandieri var. zschackei Ahart, Lowell 1981-9-6 Plumas Along Indian Creek, about 1/2 mile south-west of the intersection of Highway 89 and Arlington Road, about 1 1/2 miles south-west of Crescent Mills 1097 Comment
  CAS-BOT-BC451323  Chimaphila John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54225 Plumas Sierra Nevada: about 5 miles SE of Mt. Hough on the road to Quncy 1584 Comment
  CHSC33736  Chimaphila menziesii M. S. Taylor; M. Foster 1981-7-14 4015 Plumas Saddle at head of Bullfrog Ravine, both sides of rd 26N18. 1645 Comment
  UC1120941  Chimaphila menziesii G. T. Nordstrom 1934-7-9 191 Plumas 1 mi. n.w. Mt. Ararat (Plot 94); Plumas Nat'l Forest, Bidwell Bar Quad. Comment
  UC354484  Chimaphila menziesii David D. Keck 1928-6-15 453 Plumas Meadow Valley 1219 Comment
  CAS-BOT-BC451430  Chimaphila menziesii John Thomas Howell 1977-6-21 s.n. Plumas Sierra Nevade: between Seneca and Butt Valley Reservoir Comment
  JEPS66586  Chimaphila umbellata W. L. Jepson 1939-7-29 19273 Plumas Meadow Valley, Spring Hill Trail 1219 Comment
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Mar 30 2016
  UC1120953  Chimaphila umbellata E. Nourse 1934-9-4 21 Plumas 3/4 mi. s. & 1 mi. w. Quincy; Plumas Nat'l Forest, Downieville Quad. Comment
  UCD117410  Chimaphila umbellata James I. Mallory 1969-8-21 356 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  CAS-BOT-BC452239  Chimaphila umbellata Alice Eastwood 1927-6-15 14599 Plumas Forest Lodge near Greenville, US Forest Reserve Comment
  SEINET10449196  Chimaphila umbellata var. occidentalis Mary Susan Taylor 1981-7-17 Taylor 4031 Plumas T21N R12E se sec 7, Sierra City quad. Lakes Basin area, Bear Lakes trail, 0.5 mi S of jct of trail to Gold Lake Lodge, ca. 6 air mi S of Mohawk; dry, open forest and outcrops; 6500 ft elev. 1981 Comment
  NY404148  Chorizanthe polygonoides var. polygonoides R. M. Austin 1880-1 s.n. Plumas Comment
  CHSC59193  Chrysolepis sempervirens Vernon H. Oswald; Lowell Ahart 1992-9-15 5207 Plumas Lassen Volcanic National Park. Bonte Peak located E of Mt. Harkness and Juniper Lake. On the north side of the mountain. 2164 Comment
  RSA59454  Chrysolepis sempervirens E. K. Balls 1950-9-2 15656 a Plumas South slope below Mt. Ingalls Lookout, north of Grizzly Valley. 2378 Comment
  SEINET3141689  Chrysopsis breweri E. K. Balls 1950-9-1 15585 Plumas E shore Long Lk., toward Mt. Elwell 2103 Comment
  SEINET7450650 Image available Chrysopsis villosa var. minor W. Harnach, N. Harnach 2000-9-3 1002 Plumas Approx 5 miles SW of Portola on Co. Rd. A-15, Gold Mountain Development along the river trail. 1463 Comment
  SEINET7450651 Image available Chrysopsis villosa var. minor M. J. Williams 1974-7-23 74 -P-1 Plumas Near Chilcoot 1524 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
  CHSC62424  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway 1993-8-10 4515 Plumas Plumas National Forest. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. 1487 Comment
  JEPS116104  Circaea alpina subsp. pacifica Lowell Ahart, John Dittes 2009-7-28 16197 Plumas On wet soil and humus, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  UC1075651  Circaea alpina subsp. pacifica Robert J. Weatherby 1950-7-7 1451 Plumas Quincy, Gansner Creek 1219 Comment
  RSA101390  Circaea alpina subsp. pacifica R. Weatherby 1955-7-21 1654 Plumas 4th Water Bear Creek, Middle Fork Feather River Comment
  CHSC66613  Cirsium andersonii Vernon H. Oswald; Lowell Ahart 1996-7-15 8026 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. In forest bordering the lake. 1371 Comment
  CAS-BOT-BC289626  Cirsium andersonii W. R. Dudley August (rest of date obscured by ink on label) s.n. Plumas Hot Springs, Sierra Valley Comment
  UCD169686  Cirsium arvense L. P. Janeway; Melanie Williams 2011-9-1 10715 Plumas Northern High Sierra Nevada. Plumas National Forest; along Kenzie Ravine 1.1 km east of Little Grass Valley Reservoir, 35 m upstream from Silvertip Road crossing; 2.0 air km north of Goat Mountain. 1573 Comment
  SDSU3769  Cirsium cymosum R. M. Beauchamp 1965-7-17 Plumas Along Calif. St. Hwy. 32 near Plumas Co. line. Comment
  CAS-BOT-BC278099  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35988 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SEINET11841729  Cirsium douglasii var. canescens W. Knight, Knight, I. 1983-1 4938 Plumas near Drakesbad Ranger Station, Lassen Volcanic National Park 1646 Comment
  SEINET11263031  Cirsium occidentale var. candidissimum D. W. McNeal 1996-7-28 4190 Plumas Below Hwy #89-70 at turnoff to the old Feather River Inn.; 0 Comment
  SDSU3800  Cirsium vulgare D. F. Howe 1959-8-2 2781 Plumas Meadow at Quincy. 1067 Comment
  CAS-BOT-BC162589  Clarkia Clare B. Hardham 1975-8-2 20469 a Plumas Black Mt. - Sierra Nevada 2133 Comment
  CHSC82533  Clarkia mildrediae subsp. lutescens L. P. Janeway 2001-7-3 7267 Plumas Northern High Sierra Nevada. Top of south-southwest facing slope overlooking Middle Fork Feather River; head of Sherman Creek. 1707 Comment
  CHSC82617  Clarkia mildrediae subsp. lutescens L. P. Janeway 2001-7-3 7255 Plumas Northern High Sierra Nevada. Along Road 24N28 on nose of ridge between Four Water Creek and Bear Creek. 1567 Comment
  JEPS108894  Clarkia mildrediae subsp. lutescens Lowell Ahart 2006-7-9 12920 Plumas Below an open ridge, about 100 yards north of the paved basalt road, about 4 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir 1650 Comment
  SJSU15258  Clarkia mildrediae subsp. mildrediae S. Woolhouse 2007-6-9 11 Plumas Highway 70 Comment
  RSA0059905  Clarkia mildrediae subsp. mildrediae L. P. Janeway 1995-7-29 4882 Plumas Along Pipeline Road 3.3 miles NW of Lower Bucks Lake Dam. 1585 Comment
  CAS-BOT-BC163849  Clarkia purpurea subsp. quadrivulnera A. A. Heller; P. B. Kennedy 1907-7-12 8827 Plumas Between Taylorville and Crescent Mills Comment
  CAS-BOT-BC163856  Clarkia purpurea subsp. quadrivulnera Gordon True; Walter Knight; Irja Knight; John Thomas Howell 1969-6-24 2645 Plumas Near homestead in Valley Proper 1036 Comment
  CDA38040  Clarkia rhomboidea T. C. Fuller 1958-7-7 1914 Plumas 3 miles west of Virgilia. 0 Comment
  CDA17277  Clarkia stellata G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16304 Plumas Sierra Nevada; Willow Creek Rd.m, 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC70763  Clarkia stellata L. P. Janeway 1995-6-25 4816 Plumas 0.3-0.5 mi east of the road from Prattville to Butt Reservoir, about 2 mi southwest of Prattville and Lake Almanor. 1438 Comment
  UC174727  Clarkia stellata A. A. Heller and P. B. Kennedy 1907-7-9 8778 Plumas Prattville Comment
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Mar 30 2008
  CAS-BOT-BC32904  Clarkia stellata Theodore Mosquin 1959-7-2 3332 Plumas Humbug Road, 1.2 miles W of its junction with Humboldt Road, W of Lake Almanor Comment
  CAS-BOT-BC439099  Claytonia cordifolia W. D. Dakan 1978-5-20 s.n. Plumas Quincy Water Supply (Gansner Ravine). Plumas National Forest. 1036 Comment
  CDA14683  Claytonia rubra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3139 Plumas 3.25 miles west of Round Valley Reservoir dam, 0.25 mile east of junction with road to Canyon Dam, south arm of Lake Almanor. 1633 Comment
  CAS-BOT-BC443795  Claytonia rubra subsp. rubra George W. Gillett 1957-7-17 792 Plumas Lassen Volcanic National Park. Stream flowing from Little Willow Lake into Willow Lake. 1767 Comment
  CDA15385  Claytonia rubra subsp. rubra G. F. Hrusa 1997-5-3 13839 Plumas Sierra Nevada; 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC21217  Claytonia rubra subsp. rubra F. T. Griggs; A. Pass 1975-7-17 145 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC34268  Claytonia rubra subsp. rubra M. S. Taylor 1981-5-10 3674 Plumas N side of Antelope Lake, ca. 1/4 mi e of Boulder Creek and USFS Work Center, between rd and lake, ca. 20 mi ne of Taylorsville. 1536 Comment
  CHSC53163  Claytonia rubra subsp. rubra L. P. Janeway 1989-6-9 3283 Plumas Beckwourth Ranger District. Plumas National Forest. Forest along south side of Red Clover Valley. 1691 Comment
  CHSC64830  Claytonia rubra subsp. rubra Vernon H. Oswald 1995-6-24 6906 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralleled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. Locally abundant in wet gravel near the road. 1371 Comment
  UC1136729  Claytonia rubra subsp. rubra D. Axelrod 1934-6-4 3 Plumas American House; Plumas National Forest, Bidwell Bar Quad. 1493 Comment
  CAS-BOT-BC238044  Collinsia Rimo Bacigalupi 1927-7-12 1737 Plumas Along Little Gray Eagle Creek near Lakes Center Camp, Gold Lakes Region 1889 Comment
  RSA0117247  Collinsia parviflora L. P. Janeway, B. Castro 2006-6-4 8671 Plumas Northern High Sierra Nevada. South side of Squaw Valley, 100 m north of junction of McReynolds Valley Road and Squaw Valley Road. 1684 Comment
  RSA0117246  Collinsia parviflora L. S. Rose 1963-6-3 63114 Plumas Butterfly Valey, 2 mi. sw. of Keddie, North Fork of Feather River. 1189 Comment
  JEPS115865  Collinsia rattanii Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15859 Plumas Northwest of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  SEINET10548322  Collinsia torreyi Mary Susan Taylor 1982-6-17 Taylor 4690 Plumas T23N R11E sw/nw sec 17. Blue Nose Mt quad. S side of 23N44Y, 0.2-0.3 mi w of its jct with 23N50Y-Bell Bar Cr Rd, ca, 2 air mi sw of Sloat. Elev 4900 ft. 1493 Comment
  UC1583995  Collomia heterophylla G. Schoolcraft 1990-5-9 2022 Plumas about 1 mi w Crescent Mills 1493 Comment
  CDA25619  Collomia linearis D. G. Kelch, A. R. Smith, A. G. Murdock, Ruth Kirkpatrick 2006-6-2 06 .305-B Plumas Above Little Grass Lake on West side. Comment
  CHSC113590  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. 1533 Comment
  CHSC44314  Collomia tinctoria Lowell Ahart 1977-6-20 1431 Plumas Near the South Fork of the Feather River, about 1/2 mile north-east of the Feather Fork Mine, about 6 miles north of La Porte. 1706 Comment
  UCR161005  Collomia tinctoria G. D. Barbe, T. C. Fuller 1982-6-17 3828 Plumas S shore of Frenchman Reservoir (Lake), 0.4 mi east of Frenchman Dam 1707 Comment
  SEINET13976281  Collomia tinctoria A. A. Heller, P. B. Kennedy 1907-7-4 8725 Plumas Ridge east of Red Clover Valley. Comment
  CAS-BOT-BC286168  Conyza canadensis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1498 Plumas Butterfly Botanical Area and vicinity. At Fern Glen 1097 Comment
  RSA718939  Conyza canadensis L. Ahart 2006-10-8 13400 Plumas West side of Chips Creek, just south of the bridge on Highway 70, about 1.25 miles southwest of Belden. 715 Comment
  CHSC2371  Corallorhiza maculata R. Carter 1965-6-21 249 Plumas Found on E side of Oroville-Quincy Rd., 3.05 mi. N of Buckeye Water Hole, ca. 10' from road. 1219 Comment
  JEPS64323  Corallorhiza maculata W. I. Follett 1933-7-18 6 Plumas 1/4 mi w Deadwood Summit (upper end of ravine); Deadwood Ravine 1341 Comment
  HSC22980  Corallorhiza maculata John Pratt 1970-6-29 51 Plumas 7 mi. E of Humboldt Summit Comment
  CAS-BOT-BC133725  Corallorhiza trifida Bruce A. Sorrie; D. Beall; C. Vandervegt 1977-7-18 192 Plumas Field redacted by CAS, contact the data manager for more information Comment
  CHSC77061  Cordylanthus tenuis subsp. tenuis L. P. Janeway 1996-8-13 5068 Plumas Top of ridge between kingsbury Ravine and West Branch Salt Creek; above Twain and East Branch North Fork Feather River. 1432 Comment
  JEPS6787  Cordylanthus tenuis subsp. tenuis W. L. Jepson 1939-7-31 19288 Plumas Meadow Valley 1524 Comment
  JEPS95429  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1994-7-28 7529 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  SBBG32249  Cordylanthus tenuis subsp. tenuis L. S. Rose 1966-7-26 66047 Plumas Butterfly Valley, 3 mi W of Keddie 1066 Comment
  SEINET10548995  Cordylanthus tenuis subsp. tenuis Mary Susan Taylor 1981-7-18 Taylor 4055 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
  UC1748349  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1996-8-9 5064 Plumas about 2 mi S of Haskins Valley (on W side of Road 18 at jct. with Road 23N69); Red Mountain, eastern end 1792 Comment
  JEPS87883  Cordylanthus tenuis subsp. viscidus Lowell Ahart 1994-7-28 7529 Plumas southwest of Bucks Lake Frenchman Hill 1706 Comment
  CAS-BOT-BC209433  Cornus nuttallii Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  SBBG59862  Cornus nuttallii A. Lefebure 1941-9-21 Plumas Union Crk Trail Comment
  UCD117174  Cornus nuttallii James I. Mallory 1968-8-21 353 Plumas 1 1/2 miles north-northwest of Camel Peak and 9 miles west-northwest of La Porte, Plumas National Forest. 1524 Comment
  CAS-BOT-BC210305  Cornus sericea John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1968-6-11 2415 Plumas Butterfly Botanical Area. Fern Glen Comment
  CAS-BOT-BC210320  Cornus sericea John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54286 Plumas On China Grade, 1.4 miles south of Taylorsville 1402 Comment
  CAS-BOT-BC210324  Cornus sericea John Thomas Howell 1959-9-24 34937 Plumas Butterfly Creek near mouth Comment
  UCD117305  Cornus sericea June McCaskill 1954-5-31 327 Plumas State Highway 89, 2.6 miles north of Greenville. Comment
  SD7622  Cornus sericea subsp. occidentalis R. M. Austin 1877-1 Plumas Mill Creek Comment
  JEPS104102  Cornus sericea subsp. sericea Lowell Ahart 2003-8-13 10505 Plumas On the w side of Hopkins Creek, ca 10 yd south of where Hopkins Creek forks, ca 1/8 mi south of Turkey Town, ca 1 mi (air) sw of Blue Nose Mountain, ca 10 1/2 mi (air) ne of La Porte. 1524 Comment
  UC1122817  Cornus sericea subsp. sericea C. G. Albertus 1935-7-23 229 Plumas 1 1/4 mi. s.e. Spring Garden Ranch; Plumas Nat'l Forest, Downieville Quad. Comment
  JEPS108581  Cornus sessilis L. P. Janeway 2005-9-4 8537 Plumas Northern High Sierra Nevada. Rock Creek at crossing of Road 24N04 ''Rock Creek Crossing.'' Along borders of bouldery streambed 1204 Comment
  NY214534  Corydalis caseana J. G. Lemmon s.n. Plumas Cold springs and streams from Sierra Valley to Big Meadows Comment
  UCD95117  Corydalis caseana subsp. caseana Dean Wm. Taylor 1974-10-1 5056 Plumas Jamison Creek drainage, above Jamison Lake drainage, ca. 3 miles south of Plumas-Eureka State Park. 2000 Comment
  CAS-BOT-BC401869  Corydalis caseana subsp. caseana J. G. Lemmon No date on label s.n. Plumas Big Spring Comment
  RSA0049643  Crataegus douglasii Dean Wm. Taylor 2012-6-7 21253 Plumas Indian Valley; several large bushes along County Road 112 [North Valley Road] just N of junction of County Road 214 [North Arm Road]; ca. 1.5 mile N of Taylorsville) 1066 Comment
  JEPS55230  Crepis acuminata Lewis S. Rose 1967-7-10 67146 Plumas 1 mi s Keddie; Butterfly Creek and Spanish Creek 883 Comment
  SEINET7837061 Image available Crepis bakeri M. Foster 1988-6-5 159 Plumas N of Big Grizzly Creek and S of Walker Mine Rd., 1 mi W of Lake Davis, 12 mi N by NW of Portola 1768 Comment
  RSA739729  Crepis capillaris John Dittes, Josephine Guardino 2005-9-19 1289 Plumas Northern High Sierra Nevada Range, 8.2 air miles N of Genesee, 4.4 air miles SW of Antelope Lake dam, 1.9 air mile E of Taylor Lake, 1.1 air mile N of intersection of FS Routes 27N45 and 27N53. 1707 Comment
  JEPS113382  Crepis intermedia Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13988 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  CAS-BOT-BC291576  Crepis modocensis subsp. modocensis G. L. Stebbins; J. A. Jenkins 1937-5-22 2151 Plumas East slope of Beckwith Peak 1676 Comment
  CAS-BOT-BC291592  Crepis modocensis subsp. subacaulis G. D. Barbe 1982-6-9 3667 Plumas Southeast and below Thompson Peak overlooking Honey Lake Valley, Plumas National Forest 2057 Comment
  CHSC97559  Crepis monticola Lowell Ahart; John Dittes 2007-6-17 14193 Plumas High west bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS126589  Crepis monticola Lowell Ahart 2016-6-29 21065 Plumas Top and east side of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  RSA95140  Crepis monticola F. W. Peirson 1926-6-22 6829 Plumas Drakesbad, Lassen National Park. 1677 Comment
  UC476321  Crepis occidentalis Mrs. L. W. Swift June, 1931 3033 Plumas Last Chance Creek Plumas National Forest (across road from Humphrey's Canyon) Comment
  CDA17232  Crepis pleurocarpa G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16335 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CHSC107436  Crepis pleurocarpa L. P. Janeway; Peter Zika 2011-8-6 10631 Plumas Northern High Sierra Nevada. Plumas National Forest; on top of the serpentine ridge on southeast side of Quincy-La Porte Road, 1.4 air km northwest of Pilot Peak. 2015 Comment
  SEINET10938041  Crepis pleurocarpa Mary Susan Taylor 1981-8-25 Taylor 4242 Plumas California: T25N R7E sw1/4 of ne1/4 sec 11. Almanor SW quad. N side of 26N22F-Red Hill Rd, 1.9 mi S of its jct with 26N22 in Deadwood Canyon-Rich Gulch, ca. 6 air mi NE of Belden. Plumas County. 5300 ft. 1615 Comment
  UC581308  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-6 2190 Plumas 2 mi s Keddie (on road to Quincy) 1127 Comment
  CHSC33923  Croton setiger M. S. Taylor; M. Foster 1981-8-13 4174 Plumas S end of Greenville, w side of Hwy 89, roadside. 1158 Comment
  CAS-BOT-BC190065  Crypsis alopecuroides John Thomas Howell 1977-8-11 52716 Plumas Sierra Nevada. Dessicated bottom of Frenchmans Reservoir on east side near Big Cove. 1706 Comment
  CHSC81642  Crypsis alopecuroides Lowell Ahart 2001-10-8 9333 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  JEPS113927  Crypsis alopecuroides W. and N. Harnach 2000-8-2 965 Plumas Sierra Valley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourth, CA (Sierra Valley Farms) Comment
  CHSC40256  Crypsis schoenoides Lowell Ahart; Rob Schlising, Jim Jokerst 1985-8-12 5162 Plumas Near the edge of Highway 70, about 1.7 miles west of Rich Gulch Road, about 2 miles east of Rich Bar. 822 Comment
  UCD59815  Crypsis schoenoides John Thomas Howell 1959-9-26 35068 Plumas Feather River Canyon. Ca. 1.5 miles west of Belden. 682 Comment
  CAS-BOT-BC182507  Cryptantha John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54299 Plumas East side of Indian Valley just north of Taylorsville 1112 Comment
  CAS-BOT-BC189301  Cryptantha W. Harnach; N. Harnach 1990-6-19 401 Plumas Sierra Valley. Genesse Road 1615 Comment
  CAS-BOT-BC189307  Cryptantha Clare B. Hardham 1975-8-2 20482 Plumas Black Mountain 2133 Comment
  RSA95525  Cryptantha milobakeri J. T. Howell 1951-6-29 27752 Plumas Feather River Canyon 549 Comment
  SEINET1869803  Cryptantha torreyana Barbara Ertter 1988-1 7846 Plumas Diamond Mts. Ca 12 airmiles SSW of Susanville, Snoring Springs 1/2 mi N of Diamond Mt-Greenville-Red Rock jct, meadow in mixed conifer forest 1981 Comment
  CHSC80792  Cryptogramma acrostichoides Lowell Ahart; Vernon H. Oswald 2001-7-11 8894 Plumas Large outcrop southwest of Homer Lake, west of the trail to Homer Lake, about 5 1/2 miles (air) north of Greenville. 2042 Comment
  CAS-BOT-BC70458  Cryptogramma acrostichoides Lewis S. Rose 1932-9-4 32620 A Plumas Jamison Lake 1981 Comment
  RSA52883  Cryptogramma acrostichoides R. Weatherby 1950-8-11 1506 Plumas Trail to Silver lake, Lakes Basin Area 1982 Comment
  RSA176228  Cupressus bakeri C. R. Quick, Wilcox 1962-10-1 62 -2 Plumas 1.5 miles W of Wheeler Peak., an extension of known range 1997 Comment
  UCD133452  Cupressus bakeri M. S. Taylor 1981-8-13 4175 Plumas Genesee Valley quad. N and NE side of west flank of Wheeler Peak ridge, ca. 5 air mi. NE of Genesee. 1981 Comment
  CAS-BOT-BC224546  Cuscuta californica Clare B. Hardham 1970-8-8 17706 B Plumas Red Clover Creek Comment
  CHSC36925  Cuscuta californica var. breviflora M. S. Taylor; H. Swanson 1982-8-11 4964 Plumas Along Pacific Crest Trail, ca. 1 mi nw of A-Tree, ca. 5 mi sw of Johnsville. 2133 Comment
  CHSC54865  Cuscuta californica var. californica Vernon H. Oswald 1991-9-11 4864 Plumas Hot springs terrace on the south side of the meadow at Drakesbad; on the south side of Hot Springs Creek. 1731 Comment
  JEPS107606  Cuscuta californica var. californica Lowell Ahart, Josephine Guardino 2005-8-10 12303 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  SEINET10496631  Cuscuta occidentalis Mary Susan Taylor, H. Swanson 1982-8-11 Taylor 4964 Plumas T21N R11E north half of sec 4. Sierra City NW and Mt Fillmore quads. Along Pacific Crest Trail, ca. 1 mi nw of A-Tree, ca. 5 mi sw of Johnsville. Montane Coniferous Forest; 7000 ft. 2133 Comment
  RSA104169  Cycladenia humilis Mrs. R. M. Austin 1880-1 s.n. Plumas [no locality information provided] Comment
  UC105507  Cycladenia humilis var. humilis Mrs. R. M. Austin 1879-1 Plumas Dutch Hill Comment
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Mar 14 2016
  UC405210  Cycladenia humilis var. humilis J. G. Lemmon July 1872 119 Plumas slopes Greenville and Lopen Peaks 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
  CAS-BOT-BC114544  Cyperus eragrostis Isabel McCracken 1936-9-8 s.n. Plumas Twin Lakes, Kit Carson Pass. Comment
  RSA252446  Cyperus squarrosus Robert F. Thorne, C. W. Tilforth 1969-9-6 39231 Plumas Along Feather River, 1 mi SW of Beckwourth. 1357 Comment
  JEPS95160  Cyperus strigosus Lowell Ahart 1997-9-11 7909 Plumas about 2 air mi ne of Belden (on e side of Caribou Road, on e side of North Fork Feather River, at elevated siphon); Caribou Road, North Fork Feather River 731 Comment
  CHSC39377  Cystopteris fragilis L. Ahart; P. Ahart 1983-8-17 4340 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-La Porte Rd, northeast of La Porte. 2000 Comment
  CAS-BOT-BC201013  Cytisus scoparius John Thomas Howell 1959-9-21 34720 Plumas Belden 701 Comment
  CHSC102379  Dactylis glomerata Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16132 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
  CDA17296  Damasonium californicum G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16324 Plumas Sierra Nevada; Few mi. E of Portola along Hwy 70, immed. adjacent to Hwy. 1554 Comment
  CAS-BOT-BC189666  Danthonia californica Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1653 Plumas Butterfly Botanical Area and Vicinity. In area adjacent to Sweetwater Meadow. 1127 Comment
  CHSC32029  Danthonia californica var. americana L. Ahart 1979-7-18 1996 Plumas Meadow, above the road and e of Finger Board Mt, ca. 2 mi nw of Pilot Peak, ca. 12 mi n of La Porte. 1828 Comment
  CDA18438  Danthonia unispicata G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-23 3136 Plumas Sierra Nevada; 3.25 mi west of Round Valley Reservoir Dam; 0.25 mil east of jct with road to Canyon Dam (i.e. south arm of Lake Almanor). 1633 Comment
  HSC20169  Darlingtonia californica L. S. Rose 1968-6-11 68105 Plumas Butterfly Valley, 4 mi. S of Keddie. 1037 Comment
  RSA236757  Darlingtonia californica Larry E. DeBuhr, Gary D. Wallace 1972-5-21 595 Plumas Plumas Nat'l Forest, Butterfly Valley about 1 mile SW of Keddie. 1189 Comment
  RSA498153  Darlingtonia californica R. M. Austin s.n. Plumas [No location information provided.] Comment
  UC170955  Darlingtonia californica H. M. Hall 1912-6-25 9275 Plumas Butterfly Valley 1127 Comment
  UCD119073  Darlingtonia californica Barry Rice 2010-6-10 BR 100603 Plumas Big Blackhawk Creek. Comment
  LA208991  Darlingtonia californica J. G. Lemmon; s.n. Plumas SIERRA NEVADA, Butterfly Valley. Comment
  RSA468321  Darmera peltata Christopher Davidson 1975-6-7 2743 Plumas Ca 3 mile E of Quincy on Hwy 70-89. Greenhorn Creek. 1120 Comment
  SEINET10536228  Delphinium Mary Susan Taylor 1982-5-14 Taylor 4444 Plumas T23N R13E sw/se sec 10. Blairsden quad. Sagebrush Scrub over rocky volcanics, along Turner Springs Rd, just s of its jct with Hwy 114, ca. 2 air mi sw of Portola. 5000 ft. 1524 Comment
  CAS-BOT-BC8926  Delphinium depauperatum Walter Knight; Irja Knight 1967-5-22 1821 Plumas Dirt road near Pond reservoir 1097 Comment
  CHSC21303  Delphinium depauperatum F. T. Griggs; A. Pass 1975-7-8 113 Plumas Buck's Lake. Comment
  CHSC21584  Delphinium depauperatum D. E. Brink Jr.; L. M. Mayer 1975-7-16 Plumas Bucks Lake. In a meadow at the west edge of the middle of the section. Comment
  UCR246739  Delphinium gracilentum G. D. Barbe, T. C. Fuller, J. T. Howell 1981-6-26 3362 Plumas wooded area 0.3 mi southwest of Bucks Summit, meadow southeast of the road formed by Bucks Creek 1656 Comment
  UCR115328  Delphinium nudicaule G. D. Barbe, T. C. Fuller 1982-7-15 3739 Plumas Sierra Nevada Mtns, Plumas National Forest, 2.1 mi NE of junction with road to Red Hill Summit 1524 Comment
  CAS-BOT-BC9824  Delphinium nudicaule Mrs. H. C. Cantelow 1939-5-30 4266 Plumas N. Spanish Creek, 4 mi. W of Quincy Comment
  UCSB44166  Delphinium nudicaule Reisentz, Paul 1979-5-12 Plumas Lewisia Rock; 3 miles south of Beldon on Highway 70 Comment
  CAS-BOT-BC116474  Delphinium nuttallianum W. W. Wagner 1919-5-15 257 Plumas Massack Creek 1432 Comment
  CHSC107445  Delphinium nuttallianum Matt Simenc; N. Habecker, T. Hanson, M. Williams 2011-7-6 16 Plumas Northern High Sierra Nevada. 6.1m East of 22N27 (Lumpkin Ridge Rd) 0.1 miles North of 21N65 and 22N27 junction. Growing in shallow soil on rocky flat basalt ridge top. 1544 Comment
  CHSC45506  Delphinium nuttallianum Lowell Ahart 1975-7-20 906 Plumas Seep, about 1 mile north of the Bunker Hill Mine, about 11 miles north-east of La Porte. 1828 Comment
  CHSC45508  Delphinium nuttallianum Lowell Ahart 1976-6-18 1141 Plumas Near Bunker Hill Creek, about 1/4 mile south-east of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC116073  Delphinium nuttallianum Anna Head 1921-7-6 s.n. Plumas Trail up Bear Ridge, Feather River Region 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-BC116110  Delphinium nuttallianum Alice Eastwood 1927-6-17 14631 Plumas United State Forest Reserve, Long Valley Comment
  CAS-BOT-BC116114  Delphinium nuttallianum Mrs. H. C. Cantelow 1941-7-20 s.n. Plumas About 7 miles west of Johnsville, road to La Porte Comment
  UC727021  Delphinium nuttallianum A. A. Heller 1941-5-22 16144 Plumas along roadside w Quincy Comment
  UCD13266  Delphinium patens subsp. patens Stephen Brown 1974-5-4 116 Plumas Plumas CO. Rock Creek, 1 mile north from North Fork of Feather River, ca. 22 miles west of Quincy. Elevation 1600 feet. 487 Comment
  CDA31656  Deschampsia cespitosa A. A. Beetle 1941-6-28 2771 Plumas W side of Lake Almanor 0 Comment
  CAS-BOT-BC192438  Deschampsia cespitosa subsp. cespitosa Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  UC1024668  Deschampsia cespitosa subsp. cespitosa Leo Whitney 1934-8-10 2181 Plumas ca. 9 mi. n.w. Portola (Freeman Creek, n.w. end of Big Grizzley Valley, Plumas Nat'l Forest); Plumas Nat'l Forest, Big Grizzley Valley, Freeman Creek 1828 Comment
  CAS-BOT-BC198149  Deschampsia danthonioides John Thomas Howell 1951-6-27 27588 Plumas McRae Meadow - Sierra Nevada 1981 Comment
  CAS-BOT-BC198156  Deschampsia danthonioides S. B. Doten 1901-6-14 42 Plumas Sierra Valley Comment
  SEINET3927684  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor.; 0 1829 Comment
  CAS-BOT-BC201889  Deschampsia elongata Mary S. Clemens 1920-6-22 7 Plumas Quincy Comment
  CAS-BOT-BC201897  Deschampsia elongata John Thomas Howell 1961-6-21 36685 Plumas Greenville 1097 Comment
  CDA14711  Deschampsia elongata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3222 Plumas Rhinehart Meadow, Mt. Hough-Crystal Lake Road 1.0 mile south of China Grade Road (to Taylorsville). 1676 Comment
  JEPS115946  Deschampsia elongata Lowell Ahart, John Dittes 2009-7-15 16091 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  SEINET10448270  Descurainia pinnata Mary Susan Taylor 1982-9-13 Taylor 5127 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
  CHSC502  Descurainia pinnata subsp. halictorum G. Spurlock 1935-6-1 Plumas Chilcoot. 1524 Comment
  CAS-BOT-BC43503  Descurainia sophia John Thomas Howell 1955-7-19 30787 Plumas Sierra Nevada. Vinton. 1505 Comment
  CHSC55509  Dicentra formosa Ben Cunningham 1991-4-20 Plumas Ca. 2.5 mi s of Tobin and 6 ft w of Highway 70. 41 mi s of Greenville. 609 Comment
  LA47693  Dicentra formosa C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  SEINET12091634  Dicentra formosa Unknown 1984-1 11 Plumas ca 40 mi NE of Oroville and 160 yds W of the N. Fk. Feather River, along Jackass Creek 610 Comment
  CHSC55723  Dicentra formosa subsp. formosa Steven Triano 1988-4-17 51 Plumas Along unnamed tributary to North Fork Feather River, ca 0.1 mi S of Rock Creek Dam and 40 ft W of Hwy 70 640 Comment
  CHSC641  Dicentra pauciflora R. Carter 1964-7-4 141 Plumas Ca. .35 mi. from Butte Co. line, 1/2 mi. N of Green Is. Lake along W side of Calif. Riding and Hiking Trail. 1828 Comment
  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
  CHSC65104  Dicentra uniflora Vernon H. Oswald; Lowell Ahart 1995-7-24 7109 Plumas Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake. Cascade Range. 1950 Comment
  CAS-BOT-BC209172  Dichanthelium acuminatum subsp. acuminatum S. Spellenberg 1965-7-15 1229 Plumas Devil's Kitchen, Lassen Volcanic National Park Comment
  SEINET208616 Image available Dichanthelium acuminatum subsp. fasciculatum Lewis S. Rose 1966-7-27 66070 Plumas Butterfly valley 3 miles W of Kedie edge of meadows 1067 Comment
  SEINET241786 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 d Plumas Lassen NP ; Devils Kitchen, Hot Springs Creek Canyon, 1.5 miles W. of Drakesbad. 1859 Comment
  CAS-BOT-BC483631  Dichelostemma capitatum H. C. Cantelow 1940-5-10 s.n. Plumas 2 1/2 miles west of Busks Lake Comment
  RSA32770  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas Near Gray s Flat along the Feather River Highway. 869 Comment
  SD64331  Dieteria canescens Darley F. Howe 1966-8-24 Plumas Northeast of Lake Almanor. 1675 Comment
  CHSC65488  Dieteria canescens var. canescens L. P. Janeway 1995-9-19 4934 Plumas 0.9 mi east of Crocker Creek and Crocker Guard Station and Crocker Campground. Roadside. 1883 Comment
  CAS-BOT-BC151851  Diplacus mephiticus Clare B. Hardham 1978-8-11 21810 Plumas About 7 mi. se. of Antelope Reservoir Comment
  CAS-BOT-BC151857  Diplacus mephiticus Alice Eastwood 1927-6-1 14592 Plumas On trail to Long Valley, United States Forest Reserve Comment
  SJSU14322  Diplacus mephiticus N. A. Hopkins 1989-6-7 1526 Plumas c. 0.75 mi E of Dixie Valley 1920 Comment
  CAS-BOT-BC153951  Diplacus pygmaeus Wayne Dakan 1978-5-24 s.n. Plumas Ca. 1/2 mile west of north edge of Almanor (probably near Hwy 89) 1389 Comment
  CAS-BOT-BC151259  Diplacus torreyi John Thomas Howell 1926-7-26 2123 Plumas Near Prattville 1371 Comment
  CAS-BOT-BC151688  Diplacus torreyi Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Near Drakesbad Comment
  CAS-BOT-BC151692  Diplacus torreyi J. M. Tucker 1948-7-24 1720 Plumas Near road form Cascade to Camel Peak 1615 Comment
  CHSC21082  Disporum hookeri F. T. Griggs; A. Pass 1975-7-2 51 Plumas Buck's Lake Forest Service Survey. Comment
  RSA508618  Disporum hookeri var. hookeri Mrs. R. M. Austin 1888-9-7 s.n. Plumas Mill Creek Comment
  CAS-BOT-BC136101  Dodecatheon alpinum M. S. Taylor 1982-7-12 4820 Plumas In wet meadow in McRae Meadows, ca. 6 mi w of Mohawk 1889 Comment
  UC1143164  Downingia bacigalupii E. Sawyer 1935-6-27 159 Plumas Charlies Valley Plumas National Forest, Sierraville Quad. 1524 Comment
  POM284987  Downingia bacigalupii H. P. Bracelin 1932-7-25 695 Plumas 7 miles S of Chester. 1524 Comment
  UC726431  Downingia bacigalupii A. A. Heller 1941-7-29 16268 Plumas 7 mi s Chester (near State Highway 36) Comment
  RSA34821  Downingia bicornuta Roxana S. Ferris, Laura Lorraine 1941-8-9 10434 Plumas About 2 1/2 miles from Lake Almanor Public Camp, State Hwy 89 on road to Chester. Comment
  UC711958  Downingia bicornuta var. bicornuta Roxana S. Ferris and Laura Lorraine 1941-8-9 10434 Plumas about 2.5 mi from Lake Almanor Public Camp (State Highway 89, on road to Chester) Comment
  UCD105968  Draperia systyla Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 320 Comment
  JEPS84397  Drosera X obovata V. Oswald and W. Dempsey 1989-8-24 3960 Plumas 11 air mi nw Chester (s edge of park); Lassen Volcanic National Park, Little Willow Lake 1828 Comment
  UCD99526  Drosera X obovata Barry Meyers-Rice 1999-8-7 MR 990802 Plumas at Willow Lake. Comment
  UCD99520  Drosera filiformis Barry Rice 2004-9-1 BR 040901 Plumas in Butterfly Valley Botanical Area. Comment
  CHSC66622  Drosera rotundifolia Vernon H. Oswald; Lowell Ahart 1996-7-15 8050 Plumas Last Chance Marsh at N end of Lake Almanor, just S ... Field redacted by CHSC, contact the data manager for more information 1371 Comment
  CAS-BOT-BC159679  Drymocallis glandulosa Lewis S. Rose 1963-6-3 63090 Plumas Butterfly Valley, 2 mi. sw of Keddie 1188 Comment
  HSC22941  Drymocallis glandulosa var. glandulosa John Pratt 1970-6-25 41 Plumas 1707 Comment
  SEINET6689722  Drymocallis glandulosa var. glandulosa L. R. Miller 1934-5-25 s.n. Plumas 15 miles west of Portola. Comment
  CHSC42045  Drymocallis lactea var. austiniae Lowell Ahart 1986-7-8 5350 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1981 Comment
  SJSU7502  Drymocallis lactea var. austiniae Lewis S. Rose 1968-6-11 68098 Plumas Confluence of Butterfly Cr & Spanish Cr near Keddie 975 Comment
  CAS-BOT-BC159303  Drymocallis lactea var. lactea W. M. Hiesey 1941-11-8 449 Plumas Mineral, at Mineral Lodge 1524 Comment
  CAS-BOT-BC113790  Dulichium arundinaceum V. Oswald; Lowell Ahart 1988-8-4 3662 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic Natl Park. 1676 Comment
  CHSC81615  Dysphania ambrosioides Lowell Ahart 2001-10-8 9331 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of ArlingtonRoad, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  UCD98708  Dysphania botrys E. K. Balls 1950-9-7 15699 Plumas 4.4 mi. w. of Mohawk Ranger Station, Hwy 24 between Cromberg and Portola. 1310 Comment
  CHSC34782  Dysphania pumilio L. Ahart 1981-9-6 3086 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
  CHSC94667  Dysphania pumilio Lowell Ahart 2006-10-8 13413 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  SEINET4175608  Dysphania pumilio M. J. Williams, J. Howell, W. Follette 1977-8-11 77- 70 -1 Plumas East side of Frenchman's Reservoir 1707 Comment
  CAS-BOT-BC197073  Echinochloa crus-galli John Thomas Howell 1951-8-19 28165 Plumas Near Belden 670 Comment
  CAS-BOT-BC197241  Echinochloa muricata John Thomas Howell 1959-9-24 34925 Plumas Junction of Indian and Spanish creeks 914 Comment
  CAS-BOT-BC113708  Eleocharis acicularis Thomas H. Kearney 1944-8-14 16 Plumas Near Prattville, Lake Almanor Comment
  JEPS110543  Eleocharis acicularis var. bella Lowell Ahart 2006-10-23 13486 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 1281 Comment
  CHSC101958  Eleocharis bella Lowell Ahart; John Dittes 2009-7-27 16189 Plumas On dry bare soil, about 20 yards north of the poor dirt road, on the bottom of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC82452  Eleocharis bella Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9815 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
  CAS-BOT-BC113502  Eleocharis bella Robert J. Weatherby 1950-7-28 1491 Plumas Muddy islands in marsh, north edge of Taylorsville. 1097 Comment
  RSA0009474  Eleocharis bella Marcus E. Jones 1897-7-5 s.n. Plumas Prattville. 1372 Comment
  UC1100613  Eleocharis bella S. Galen Smith and Malcolm Nobs 1949-8-18 1357 b Plumas Lake Almanor, S end; ; ; Marsh Plant Survey Comment
  CHSC32854  Eleocharis engelmannii L. Ahart 1980-10-6 2677 Plumas On the floor of a hydraulic mine, ca. 1 mi s of La Porte. 1600 Comment
  CAS-BOT-BC113396  Eleocharis engelmannii var. detonsa John Thomas Howell 1976-7-15 51853 Plumas Snake Lake, ca/ 4 mi NW of Quincy. 1219 Comment
  UC698602  Eleocharis engelmannii var. detonsa Dorothy E. Beetle 1941-6-28 58 Plumas NW corner of Lake Almanor Comment
  CAS-BOT-BC112913  Eleocharis macrostachya Malcom A. Nobs; Gordon H. True 1949-8-18 1358 Plumas Drying mud flats at the south end of Lake Almanor. Comment
  NY51036  Eleocharis monticola M. E. P. Ames 1876-1 s.n. Plumas Comment
  CHSC68448  Eleocharis quinqueflora L. P. Janeway 1984-9-1 1138 Plumas On the Sierra Crest, near northwest-draining channel. 2164 Comment
  RSA101478  Eleocharis quinqueflora R. Weatherby 1955-6-26 1545 Plumas Mud Lake, Lakes Basin Area. 2104 Comment
  CHSC78475  Eleocharis suksdorfiana Jim Battagin 2000-6-17 Plumas Butterfly Valley Botanical Area. Between Pond Reservoir and Sweetwater Meadow. 1164 Comment
  CAS-BOT-BC112043  Eleocharis torticulmis Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1394 Plumas In dry vernal area-Pond Reservoir, Butterfly Botanical Area. 1097 Comment
  JEPS113926  Elodea canadensis W. and N. Harnach 2000-8-2 966 Plumas Sierra Valley 1.5 miles south of Highway 70 on A-23, 0.25 miles east of A-23. South of Beckwourt, CA (Sierra Valley Farms) 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
  CAS-BOT-BC197353  Elymus W. W. Wagner 1919-6-7 277 Plumas Sockum Creek, Vicinity of Quincy 1310 Comment
  CAS-BOT-BC227603  Elymus elymoides John Thomas Howell 1951-6-27 27564 Plumas Johnsville 1584 Comment
  CHSC87983  Elymus elymoides subsp. californicus Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11162 Plumas Around a small meadow, on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  CHSC97530  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
  CHSC61622  Elymus elymoides subsp. elymoides Frank B. Cayot 1911-6-27 Plumas Plumas National Forest. Grizzly Valley. 1584 Comment
  UCD61817  Elymus glaucus John Thomas Howell; Gordon True, Walter Knight, Irja Knight 1967-7-10 2213 Plumas Mouth of Butterfly Creek. 883 Comment
  SEINET10554310  Elymus glaucus John Thomas Howell 1961-6-21 Howell 36674 Plumas Greenville. 1097 Comment
  CAS-BOT-BC206513  Elymus glaucus subsp. glaucus John Thomas Howell; Walter Knight; Irja Knight 1966-7-26 1586 Plumas Fern Glen - Butterfly Botanical Area and Vicinity 1097 Comment
  CHSC61940  Elymus glaucus subsp. glaucus Lowell Ahart 1993-9-24 7265 Plumas On the south side of the Pacific Crest Trail, about 400 yards north-east of the trail head, about 1/10 mile east of the Quincy La Porte Road, about 1 mile west of Pilot Peak. 1920 Comment
  SEINET4674684  Elymus hispidus Lewis S. Rose 1968-6-10 68088 Plumas Quincy Meadow.; 0 1036 Comment
  SD149206  Elymus trachycaulus subsp. subsecundus Lowell Ahart 1980-8-27 2589 Plumas Circa 0.1 mile North of Feather Fork Mine, circa 8 miles North of La Porte 2000 Comment
  CAS-BOT-BC204405  Elymus trachycaulus subsp. trachycaulus Lewis S. Rose 1968-6-10 68095 Plumas Quincy 1036 Comment
  POM267990  Elymus trachycaulus subsp. trachycaulus D. D. Keck 1944-7-8 5419 Plumas Feather River Inn, Mohawk Valley, Middle Fork Feather River 1357 Comment
  SEINET204042 Image available Elymus trachycaulus subsp. trachycaulus F. J. Hermann 1955-7-27 11953 Plumas 4 miles west of Portola Comment
  CHSC112572  Elymus triticoides B. Castro; L. P. Janeway 2007-6-7 1649 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.1 mi N of the mouth of McReynolds Creek at Red Clover Creek. Sagebrush meadowy flats on W side of Thompson Creek, 500 to 550 ft below edge of open Ponderosa-Jeffrey pine forest. 1671 Comment
  JEPS113666  Elytrigia elongata Lowell Ahart, Josephine Guardino 2007-7-20 14312 Plumas South of a small drainage, northeast edge of a large meadow, south of Lightning Tree Campground, west of the paved road, east side of Lake Davis 1789 Comment
  CAS-BOT-BC165928  Epilobium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54166 Plumas 3.25 miles west of Round Valley Reservoir dam 1633 Comment
  CDA14013  Epilobium brachycarpum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13500 Plumas Sierra Nevada; N side of USFS 23N12, approx. 3/4 mile W of Bull Run Creek crossing. Comment
  CDA38056  Epilobium brachycarpum L. Ahart, John Dittes 2003-8-8 10 .481 Plumas On the west side of Beckwouth Calpine Road, about 50 yards north of the Western Pacific Railroad, about 1/2 mile (air) southwest of Beckwourth, Sierra Valley. Comment
  CHSC113874  Epilobium brachycarpum Lowell Ahart 2014-8-26 19784 Plumas On the north side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  RSA60796  Epilobium brachycarpum I. L. Wiggins 1948-9-15 12051 Plumas Ridge between canyons of Onion Creek and Middle Fork of Feather River Comment
  CHSC100457  Epilobium canum subsp. latifolium Lowell Ahart 2008-9-10 15380 Plumas On the south side of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  CHSC21684  Epilobium canum subsp. latifolium D. Brink; L. Mayer 1975-7-29 Plumas Buck's Lake. Comment
  CHSC4682  Epilobium canum subsp. latifolium R. Carter 1966-7-10 475 Plumas Found 2 mi. N of Bucks summit along W side of Oroville-Quincy Rd., on cliff above road. 1615 Comment
  JEPS122106  Epilobium canum subsp. latifolium Lowell Ahart 2014-8-24 19755 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
  RSA87538  Epilobium canum subsp. latifolium Arthur R. Kruckeberg 1951-9-2 2898 Plumas Below summit of Lakes Basin Road Comment
  SEINET13709649  Epilobium ciliatum Lowell William Ahart, Lowell William Ahart 2001-1 9285 Plumas Lake Davis (T24N, R13E, sec 29, NW 1/4) 5780 Ft. 1762 Comment
  CDA13367  Epilobium ciliatum subsp. ciliatum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13216 Plumas Sierra Nevada; Rattlesnake Creek on S side of Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. Comment
  CHSC90292  Epilobium ciliatum subsp. ciliatum L. P. Janeway 1994-8-24 4749 Plumas Northern High Sierra Nevada. Small tributary of South Fork Rock Creek at Deanes Valley Campground. 1298 Comment
  JEPS120769  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2013-9-11 19031 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Hwy 70, about one mile southwest of Belden. Comment
  JEPS115226  Epilobium ciliatum subsp. glandulosum Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16148 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Alamanor Dam 1606 Comment
  SJSU15150  Epilobium cleistogamum N. A. Hopkins 1993-7-23 1734 Plumas Marble Hot Springs Rd Comment
  SEINET12868083  Epilobium densiflorum W. Harnach, N. Harnach 1990-7-29 483 Plumas Sierra Valley, Marble land near the hot wells 1487 Comment
  CDA14766  Epilobium glaberrimum subsp. glaberrimum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3343 Plumas 0.75 mile east of Bucks summit on Bucks Lake Road. 1600 Comment
  CHSC88155  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2004-7-27 11316 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  JEPS39337  Epilobium glaberrimum subsp. glaberrimum W. L. Jepson 1924-7-22 10620 Plumas creek near Rich Pt.; Middle Fork Feather River, Dogwood Creek 1127 Comment
  UC1594608  Epilobium luteum Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, and Tyleasi Martin 1992-8-20 5172 Plumas Forest Rd 23N10 between junction of 22N19 and Hopkins Creek (ca 2.25 air mi ese of Pilot Pk., ca 9 air mi ne of La Porte) 1706 Comment
  CHSC54531  Epilobium oregonense Vernon H. Oswald 1991-8-8 4820 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. In a meadow. 1658 Comment
  SD46719  Epilobium oregonense Robert Weatherby 1955-7-2 1583 Plumas Common in damp meadow bordered by Pinus murrayana. Red Fir Forest. Wilcox Valley. 1768 Comment
  SEINET12859746  Epilobium pygmaeum W. Harnach, N. Harnach 2000-8-2 962 Plumas 1.5 miles south of Hwy 70 on A-23, .25 miles east of A-23. South of Beckwourth Sierra Valley Farms 1488 Comment
  UC1075721  Epipactis gigantea Robert J. Weatherby 1955-8-4 1671 Plumas No Ear Bar Middle Fork Feather River 914 Comment
  SD46499  Epipactis gigantea Robert J. Weatherby 1955-8-4 1671 Plumas Common in clumps of sedges along river. No Ear Bar, Middle Fork, Feather River. 914 Comment
  CAS-BOT-BC57004  Equisetum arvense John Thomas Howell 1959-9-21 34765 Plumas Bars of N. Fork of Feather River near Belden 701 Comment
  UC1125783  Eremogone cliftonii G. T. Nordstrom 1934-7-11 161 Plumas 2 1/2 mi w Bucks Mtn.; Bidwell Bar Quadrangle 1554 Comment
  UC1731349  Eremogone cliftonii Dean Wm. Taylor with Glenn Clifton 1997-4-9 15947 Plumas Feather River Canyon; along Highway 70 about 0.5 miles E of crossing of Chambers Creek; Plumas National Forest 609 Comment
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  CAS-BOT-BC174390  Eremogone macradenia var. macradenia Merrel Ackley; Alice Ackley 1967-5-15 s.n. Plumas Feather River Canyon (N. Fork) at Chambers Creek 609 Comment
  JEPS121761  Ericameria bloomeri L. P. Janeway 2013-8-28 11197 Plumas Northern High Sierra Nevada. Plumas National Forest; along the main road around the east side of Little Grass Valley Reservoir, across the road into Red Feather Campground. Comment
  JEPS96046  Ericameria nauseosa var. oreophila Vernon H. Oswald and Lowell Ahart 1996-8-14 8157 Plumas road paralleling creek ca. 2 air mi nw Meadow Valley (on the Oroville-Quincy Hwy.) (near Greens Flat, growing in hydraulic mine tailings along road); northern High Sierra Nevada, Spanish Creek 1127 Comment
  CAS-BOT-BC299436  Ericameria nauseosa var. speciosa Mrs. E. C. Sutliffe 1921-10-1 s.n. Plumas Gold Lake Region Comment
  CHSC64068  Ericameria nauseosa var. speciosa L. P. Janeway 1993-9-28 4604 Plumas Plumas National Forest. Northwest corner of Sierra Valley; ca 3.5 mi east of Portola, ca 1.3 mi west of Beckwourth; ca 0.3 mi south of Middle Fork Feather River. 1499 Comment
  UC1119834  Ericameria nauseosa var. speciosa G. T. Nordstrom 1934-7-20 246 Plumas 1 1/2 m w and 1/2 n of Meadow Valley; Bidwell Bar 1310 Comment
  UC216608  Ericameria nauseosa var. speciosa R. M. Austin 1880-8-1 Plumas Big Meadows Comment
  UC119161  Ericameria parryi var. nevadensis C. G. Albertus 1935-8-12 260 Plumas 2 mi nne Grizzly Peak; Plumas National Forest, Downieville Quad. 1737 Comment
  CAS-BOT-BC293212  Ericameria suffruticosa M. S. Taylor 1982-8-18 5012 Plumas On summit of Mt Ingalls near the lookout, ca. 9 air mi ne of Sloat 2551 Comment
  CHSC37682  Ericameria suffruticosa M. S. Taylor 1982-8-18 5012 Plumas Summit of Mt. Ingalls, ca. 9 air mi ne of Sloat. 2551 Comment
  RSA109789  Erigeron E. K. Balls, Lee W. Lenz 1956-6-19 21836 Plumas 3.6 mi. SE of jct. with State Hwy. 36 and State Hwy. 89, W of lake Almanor. 1433 Comment
  SBBG30615  Erigeron D. Myrick 1968-6-19 1947 Plumas St Hwy 89, W of Lake Almanor 1371 Comment
  CHSC101853  Erigeron divergens Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15884 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line. 1374 Comment
  CHSC34305  Erigeron divergens L. Ahart 1981-9-6 3065 Plumas Near Lights Creek, ca. 6 mi n of Taylorsville. 1300 Comment
  CHSC65486  Erigeron divergens L. P. Janeway 1995-9-19 4933 Plumas 1.3 mi southeast of the southern tip of Crocker Mountain and 0.3 mi northwest of Crocker Meadow. 1673 Comment
  SD112282  Erigeron divergens Darley F. Howe 1966-8-23 4296 Plumas 22 miles south of Quincy on Highway 89. 1310 Comment
  CAS-BOT-BC300403  Erigeron eatonii var. plantagineus Alice Eastwood 1918-5-25 7022 Plumas Portola Comment
  UC1563921  Erigeron eatonii var. plantagineus Barbara Ertter 1989-7-4 8686 Plumas 4.2 mi w of jct of Hwy 89 and Hwy 36 (w of Lake Almanor); Coyote Flat 1524 Comment
  SEINET8667239 Image available Erigeron eatonii var. plantagineus J. T. Howell 1962-6-18 s.n. Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC300422  Erigeron eatonii var. sonnei M. S. Taylor 1981-6-10 3883 Plumas In Red Clover Valley, Overland Inc. Ranches, ca. 3/4 mi n of Genesee-Beckwourth Rd, ca. 11 air mi nw of Beckwourth 1676 Comment
  SBBG100110  Erigeron eatonii var. sonnei B. Ertter, G. Schoolcraft 1989-7-3 8651 Plumas below Red Rock lookout, ca. 8 air mi S of Susanville 2255 Comment
  JEPS113423  Erigeron filifolius Lowell Ahart, John Dittes 2007-8-9 14433 Plumas In the poor road, east slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  CAS-BOT-BC300839  Erigeron glacialis var. glacialis Margaret Williams; Emily McPhersen 1974-8-5 74 -P-19 Plumas Above Silver Lake. Trail to Mt. Elwell, Lakes Basin 2072 Comment
  UCD131998  Erigeron inornatus Dean Wm. Taylor 1974-10-1 5049 Plumas Jamison Creek drainage, between Grass Lake and Rock Lake (around 3 miles south of Plumas-Eureka State Park). 1950 Comment
  CHSC75456  Erigeron inornatus var. calidipetris G. F. Hrusa; B. Smith, T. D. Wilfred 1996-8-11 13502 Plumas Sierra Nevada. On S side of USFS 23N12, approx. 1 mile W of Bull Run Creek crossing. [Original lat./long. on label is '39 53 N; 120 39 W']. 1800 Comment
  CHSC66752  Erigeron inornatus var. inornatus Vernon H. Oswald; Lowell Ahart 1996-8-14 8163 Plumas Northern High Sierra Nevada. Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake. Edge of the road. 1706 Comment
  JEPS107632  Erigeron inornatus var. inornatus Lowell Ahart, Josephine Guardino 2005-8-9 12287 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
  CAS-BOT-BC295489  Erigeron lassenianus var. lassenianus Mrs. H. C. Cantelow 1939-5-20 2547 Plumas Meadow Valley Comment
  CAS-BOT-BC295497  Erigeron lassenianus var. lassenianus A. A. Heller; P. B. Kennedy 1907-7-3 8704 Plumas Hills above Red Clover Valley Comment
  CHSC112520  Erigeron lassenianus var. lassenianus L. P. Janeway 2014-7-15 11528 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; just northwest of Long Valley Creek along Road 24N97, along the west edge of Happy Valley. 1748 Comment
  CHSC72436  Erigeron nevadincola L. P. Janeway 1998-7-1 5705 Plumas 50 ft west (downhill) of Road 25N11, 0.4 mi northwest of Cottonwood Campground. 1767 Comment
  CHSC48152  Erigeron petrophilus var. sierrensis Vernon Oswald 1986-7-10 2192 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC72438  Erigeron petrophilus var. sierrensis L. P. Janeway 1996-8-9 5062 Plumas On west side of Road 18 at junction with Road 23N69; at extreme east end of Red Mountian; about 2 mi south of Haskins Valley. 1792 Comment
  JEPS109825  Erigeron petrophilus var. sierrensis Dean W. Taylor 2005-8-1 19451 Plumas Yellow Creek, Forest Road 26N26 ca. 3 road miles south of Humbug Valley 1310 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
  CAS-BOT-BC300128  Erigeron pumilus var. intermedius Sommers 1976-6-24 6129 Plumas Sierra Valley 1487 Comment
  CAS-BOT-BC216233  Eriodictyon californicum Lowell Ahart 1981-6-25 2883 Plumas 1 mile north of Nelson Creek, about 16 miles northeast of La Porte 1700 Comment
  SEINET10537778  Eriogonum Mary Susan Taylor 1982-8-31 Taylor 5083 Plumas T28N R11E se/sw sec 11. Diamond Mt quad. Summit of Red Rock Lookout, ca. 15 mi ne of Taylorsville. Dry rocky open ridge. 7618 ft. 2322 Comment
  SEINET10537781  Eriogonum Mary Susan Taylor 1982-7-21 Taylor 4892 Plumas T23N R10E se/ne sec 7. Quincy quad. Around s end of Bachs Creek Ridge on rock outcrops in dry open areas, ca. 5 mi se of Quincy. 5750 ft. 1753 Comment
  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
  RSA0004989  Eriogonum douglasii var. meridionale James L. Reveal 2002-6-25 8361 Plumas Squaw Valley at the road junction of Forest Service roads 28N01 and 28N70 on flat W of highway, 11.9 air miles NNW of Beckwourth. 1707 Comment
  NY571233  Eriogonum elatum S. L. Welsh 2001-6-13 28136 Plumas West end of Dixie Valley, north of Beckwourth 1711.5 Comment
  UC723802  Eriogonum marifolium Joseph Andorfer Ewan 1934-7-16 8522 Plumas Mt. Elwell trail above Long Lake 2072 Comment
  CHSC21200  Eriogonum marifolium var. marifolium F. T. Griggs; A. Pass 1975-7-17 211 Plumas Buck's Lake Forest Service Survey. Comment
  CAS-BOT-BC268692  Eriogonum microthecum var. laxiflorum M. S. Taylor 1982-9-1 5084 Plumas Red Rock Lookout, ca. 15 mi ne of Taylorsville 2321 Comment
  CDA18581  Eriogonum nudum var. deductum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-25 3296 Plumas Sierra Nevada; 0.5 mile southwest of Engle Mine townsite, on Diamond Mountain Road. 1219 Comment
  RSA60028  Eriogonum nudum var. deductum E. K. Balls 1950-9-1 15582 Plumas east shore of Long Lake, toward Mt. Elwell 2104 Comment
  SEINET5330926  Eriogonum nudum var. deductum A. A. Heller, P. B. Kennedy 1907-7-13 8834 Plumas Between Taylorville and Little Grizzly Creek Comment
  CAS-BOT-BC261592  Eriogonum nudum var. nudum John Thomas Howell; Gordon H. True 1973-7-31 50077 Plumas Summit ridge of Thompson Peak, Diamond Range 2362 Comment
  CHSC63711  Eriogonum nudum var. nudum Lowell Ahart 1994-10-19 7566 Plumas Along the edge of the dirt road, near Boulder Creek, Granite Basin. 1615 Comment
  RSA795631  Eriogonum nudum var. nudum L. Ahart 2011-9-17 17660 Plumas On the south side of an unnamed stream that flows east in Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CAS-BOT-BC261588  Eriogonum nudum var. nudum Gladys L. Smith 1976-6-7 4561 Plumas Rte. 70, 20 miles east of Quincy 1524 Comment
  JEPS56999  Eriogonum nudum var. nudum W. L. Jepson 1939-8-16 19442 Plumas near Jackson Creek; Middle Fork Feather River Comment
  CAS-BOT-BC269723  Eriogonum nudum var. oblongifolium John Thomas Howell 1951-6-26 27542 Plumas Feather River Canyon 853 Comment
  RSA31982  Eriogonum nudum var. oblongifolium A. A. Heller 1938-6-14 15156 Plumas Along the feather river Hwy near Gray's flat. 869 Comment
  UCD100549  Eriogonum nudum var. oblongifolium John Thomas Howell 1973-7-9 49721 Plumas Round Valley. 1371 Comment
  CHSC39086  Eriogonum nudum var. pubiflorum R. A. Schlising 1981-8-2 4177 Plumas Just n of Butte County line, ne of Humboldt Peak; in basin draining into Scotts John Creek. 2011 Comment
  JEPS56580  Eriogonum ovalifolium J. G. Lemmon Sept. 1878 Plumas Plumas County 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-BC269956  Eriogonum spergulinum var. reddingianum Alice Eastwood 1927-6-27 14888 Plumas United States Forest Reserve. On road from Chilcott [Chilcoot] Comment
  SBBG65539  Eriogonum spergulinum var. reddingianum A. A. Heller, P. B. Kennedy 1907-7-11 Plumas Prattville Comment
  UC85205  Eriogonum spergulinum var. reddingianum Mrs. R. M. Austin 1879-1 Plumas Spanish Peak Comment
  CAS-BOT-BC267496  Eriogonum umbellatum M. S. Taylor 1982-8-4 4912 Plumas Along 25N10Y, ca. 1 mi ne of Taylor Rock, ca. 6 air mi ne of Quincy 1737 Comment
  CAS-BOT-BC268015  Eriogonum umbellatum var. furcosum John Thomas Howell 1926-7-27 2148 Plumas Near Prattville 1676 Comment
  CHSC21679  Eriogonum umbellatum var. modocense D. Brink; L. Mayer 1975-8-2 Plumas Buck's Lake. Comment
  CHSC41898  Eriogonum umbellatum var. modocense Lowell Ahart 1986-7-25 5371 Plumas Along Cleghorn Bar Road, about 1 1/2 mi west of Finger Board, about 4 mi northwest of Pilot Peak. 1828 Comment
  CHSC82544  Eriogonum umbellatum var. modocense Lowell Ahart 2002-7-18 9859 Plumas Basalt ridge, about 1/8 mile north 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. 1743 Comment
  CAS-BOT-BC262072  Eriogonum umbellatum var. nevadense L. P. Janeway 1990-7-25 3809 Plumas Plumas National Forest, Beckwourth Ranger District. Just above Emigrant Creek and 1 1/4 mi south of Little Grizzly Creek 1950 Comment
  CAS-BOT-BC265149  Eriogonum umbellatum var. nevadense A. A. Heller; P. B. Kennedy 1907-7-4 8716 Plumas Ridge east of Red Clover Valley Comment
  JEPS95292  Eriogonum umbellatum var. nevadense Lowell Ahart 1994-7-28 7528 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  NY399268  Eriogonum umbellatum var. nevadense L. S. Rose 1934-7-23 34420 Plumas Chilcoot Comment
  RSA300142  Eriogonum umbellatum var. nevadense G. H. True 1973-7-31 50112 Plumas Canadian Zone forest, summit ridge of Thompson Peak in areas of volcanic rock, Diamond 2195 Comment
  RSA7996  Eriogonum umbellatum var. nevadense H. A. Barker 1927-7-16 822 Plumas Along Feather River near Mohawk. 1372 Comment
  CHSC104741  Eriogonum umbellatum var. polyanthum L. P. Janeway; Melanie Williams 2009-7-28 9880 Plumas Northern High Sierra Nevada. Plumas National Forest; Frenchman Hill, about 60 m northeast of the dirt road to Red Mountain, 560 m south-southwest of the top of Frenchman Hill. 1750 Comment
  CHSC66964  Eriogonum umbellatum var. polyanthum James D. Jokerst 1992-1-1 3440 Plumas [No location data] Comment
  CAS-BOT-BC262269  Eriogonum ursinum A. A. Heller 1938-7-2 15236 Plumas 3 miles east of Quincy 1097 Comment
  POM161733  Eriogonum ursinum R. C. Bacigalupi 1927-7-7 1647 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  RSA165449  Eriogonum ursinum Clare B. Hardham 1961-6-16 7420 Plumas Engelmine 1829 Comment
  RSA766450  Eriogonum ursinum Joseph A. Ewan 1934-7-16 8528 Plumas Between Long lake and Mt Elwell Summit 2104 Comment
  UC1949283  Eriogonum ursinum Barbara Ertter with Gary Schoolcraft 1989-7-3 8639 Plumas ca 1/2 mile below Red Rock lookout, ca 8 airmiles S of Susanville Comment
  JEPS119732  Eriogonum ursinum var. ursinum Lowell Ahart 2012-7-1 18252 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  CHSC25326  Eriogonum vimineum M. Hayes; Warner 1977-8-12 29 Plumas 10 mi ne of Belden, along the n fork of the Feather River. Along the roadside. 838 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
  CAS-BOT-BC264118  Eriogonum vimineum Mrs. H. C. Cantelow 1951-7-29 17 Plumas Hwy. 24, w. of Beckwourth Comment
  RSA184933  Eriogonum vimineum L. S. Rose 1966-7-26 66046 Plumas Injun Jum Camp near Belden Open dry slopes 671 Comment
  UC473443  Eriogonum vimineum M. S. Jussel 1931-9-6 Plumas Road to Mt. Lassen 5 mi w Westwood 1828 Comment
  UC586926  Eriogonum vimineum Joseph Andorfer Ewan 1934-7-6 8182 Plumas road to Guidichi Rch.; Penman Creek 1524 Comment
  CDA20148  Eriophyllum lanatum var. croceum B. Smith August 1996 s.n. Plumas Plumas National Forest; 0.5 mi S of Cascade. 1207 Comment
  RSA212169  Eriophyllum lanatum var. croceum L. S. Rose 1969-6-24 69050 Plumas Butterfly Valley, 3 mi. west of Keddie 1159 Comment
  SBBG133122  Eriophyllum lanatum var. grandiflorum B. C. Templeton 1968-1 11272 Plumas unknown Comment
  SEINET10839140  Eriophyllum lanatum var. integrifolium Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4327 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  CHSC36934  Eryngium articulatum M. S. Taylor 1982-9-8 5110 Plumas Round Valley Reservoir, ca. 4 air mi s of Greenville. 1371 Comment
  SEINET11991678  Erysimum asperum Unknown 1984-1 11 Plumas ca 40 mi NE of Oroville & 150 yds W of North Fork Feather River 610 Comment
  CAS-BOT-BC55101  Erysimum perenne Anna Head 1921-7-1 s.n. Plumas Feather River Region. Ridge west of Lake Center Camp. 2133 Comment
  CHSC55595  Erythranthe arvensis K. R. Stern 1985-6-25 8330 Plumas Vicinity of Blairsden. 1402 Comment
  SEINET8258452  Erythranthe moniliformis J. M. Tucker 1948-7-24 1719 Plumas near road from Cascade to Camel Peak. 1615 Comment
  CAS-BOT-BC313721  Erythranthe percaulis John Thomas Howell; H. Keith Wagnon 1980-5-28 53705 Plumas Serpentine Canyon about 3 miles E of Rich Bar, East Branch North Fork Feather RIver 853 Comment
  RSA0123900  Erythranthe willisii J. T. Howell 1951-6-26 27540 Plumas Feather River Canyon; Sierra Nevada. 854 Comment
  CAS-BOT-BC505241  Erythronium grandiflorum Gladys L. Smith 1976-6-7 4613 Plumas South end of summit ridge, secondary road from Quincy to La Porte, drainage of Middle Fork Feather River 1950 Comment
  CAS-BOT-BC505247  Erythronium grandiflorum J. Ed. McClellan; Bonnie McClellan 1968-6-14 s. n. Plumas Above Camp Mi ---- above Quincy - La Porte road 2011 Comment
  CAS-BOT-BC502826  Erythronium multiscapideum John Thomas Howell; Gordon H. True 1967-5-9 42231 Plumas Sierra Nevada, southeast side of North Fork of Feather River at Pulga Bridge Comment
  CHSC74144  Erythronium purpurascens B. Castro 1998-7-9 808 Plumas Ca 7.5 air mi SW of Bucks Lake on Rock Island Ridge, ca 2 air mi E of the Oro-Quincy Hwy, on N side of USFS Rd 23N18. 1554 Comment
  RSA71128  Erythronium purpurascens Lewis S. Rose 1951-6-28 51051 Plumas Above Eureka Lake, n. of Johnsville. 2134 Comment
  SEINET5339911  Eschscholzia californica A. A. Heller, P. B. Kennedy 1907-7-7 8763 Plumas Near mouth of Little Grizzly Creek below Genessee. Comment
  CAS-BOT-BC310386  Eucephalus breweri M. S. Taylor 1981-7-17 4032 Plumas Bear Lakes trail in Lakes Basin; ca. 1/2 mi s of jct of trail to Gold Lake Lodge, ca. 6 air mi s of Mohawk 1981 Comment
  CHSC52722  Eucephalus breweri L. P. Janeway 1990-8-29 3841 Plumas Plumas National Forest. E-facing flank near the top of Mt. Ingalls. 2468 Comment
  CAS-BOT-BC310540  Eurybia integrifolia M. S. Taylor 1982-8-5 4922 Plumas Jct of Mt Hough Hwy (403) and rd to Grizzly Ridge, ca. 2 mi nw of Taylor Rock, ca. 6 mi ne of Quincy 1676 Comment
  CAS-BOT-BC310544  Eurybia integrifolia H. E. Brown 1897-8-1 605 Plumas Near Lassen Buttes 1828 Comment
  UC893032  Eurybia integrifolia Mrs. E. C. Sutliffe 1917-8-1 Plumas near Blairsdale 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
  CHSC98709  Eurybia radulina L. P. Janeway 2007-8-13 9191 Plumas Northern High Sierra Nevada. Along Road 24N31 low in a small drainage between Schneider Creek and Little Schneider Creek about 0.6 km southeast of the U.C. Forestry Camp.. 1222 Comment
  CAS-BOT-BC310594  Eurybia radulina Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1549 Plumas Butterfly Botanical Area and Vicinity. Near mouth of Butterfly Creek 1036 Comment
  UC86942  Eurybia radulina Mrs. R. M. Austin 1896-9-1 452 Plumas American Valley, Gray Hills American Valley Comment
  CAS-BOT-BC413890  Fallopia convolvulus John Thomas Howell 1951-8-19 28195 Plumas Greenville 1097 Comment
  CAS-BOT-BC413894  Fallopia convolvulus David D. Keck 1932-7-3 1669 Plumas Quincy, in the Northern Sierra Nevada. 1065 Comment
  CHSC40984  Festuca idahoensis J. D. Jokerst 1984-7-10 2086 Plumas Canyon of Indian Creek between creek and Indian Cr Road at east end of Genesee Valley. 1234 Comment
  UC717974  Festuca occidentalis David D. Keck 1944-7-8 5430 Plumas 5 mi n Quincy (on road to Keddie); Sierra Nevada 1005 Comment
  CAS-BOT-BC279028  Festuca rubra John Thomas Howell 1960-7-23 35951 Plumas Lassen Volcanic National Park. Near Soda Spring, Drakesbad 1828 Comment
  CAS-BOT-BC278636  Festuca subulata Lowell Ahart 1980-8-12 2533 Plumas Along Onion Creek, near Diamond Spring Hill, ca. 1.5 mi E of La Porte Road, ca. 6 mi. SW of La Porte 1400 Comment
  CHSC88188  Festuca subulata Lowell Ahart 2004-7-27 11315 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  CDA28224  Festuca subulata L. Ahart 2001-7-19 8950 Plumas On the sides of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. Comment
  JEPS87591  Festuca viridula Lowell Ahart 1994-7-7 7469 Plumas ca. 1/4 mi. (air) s.w. Pilot Peak (w. side of Pacific Crest Trail); Pacific Crest Trail 2011 Comment
  CHSC40918  Floerkea proserpinacoides Lowell Ahart 1977-6-20 1437 Plumas Meadow, 1/2 mile north-east of the Feather Fork Mine, about 6 miles north of La Porte. 1645 Comment
  CHSC112503  Fragaria virginiana L. P. Janeway 2014-7-15 11537 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
  CAS-BOT-BC55662  Frangula purshiana Anna Head 1921-1-1 s.n. Plumas Feather River region Comment
  CAS-BOT-BC55677  Frangula purshiana Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake region Comment
  CHSC46512  Frangula purshiana Lowell Ahart 1975-7-2 843 Plumas Growing on moist to dry soil along the edge of a small stream, about 8 miles north of the Sly Creek Dam. 1219 Comment
  RSA726870  Frangula purshiana L. P. Janeway 2007-8-12 9159 Plumas Northern High Sierra Nevada. Soapstone Hill, ridgetop along north side of Oroville-Quincy Hwy 0.4 mi east of Frog Rock. Comment
  SEINET7417565 Image available Frangula purshiana A. A. Heller 1915-1 12070 Plumas near summit of Soapstone Ridge in the Sierra Nevada; 12 mi W of Bucks 1676 Comment
  UCD112835  Frangula purshiana J. M. Tucker 1951-8-1 2204 Plumas road to Bucks Lake, 1 mile west of Quincy. Comment
  CHSC98918  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-12 9163 Plumas Northern High Sierra Nevada. Ridge top on north side of Oak Ridge, westerly sloping head of Foreman Creek, 1.4 air km north-northwest of Grizzly Summit. Somewhat dry meadowy area in open forest around alder thicket headwaters. 1731 Comment
  UCD113131  Frangula rubra E. W. Jameson 1949-8-7 s.n. Plumas one mile northeast of Quincy. 1066 Comment
  UCD139690  Fritillaria Grady L. Webster 1992-5-17 7762 Plumas ca. 2 miles southwest of Grizzley Valley Dam. 1737 Comment
  CHSC33616  Fritillaria atropurpurea M. S. Taylor 1981-6-17 3924 Plumas Large Montane Meadow on n side of Coldwater Spring, ca. 1/4 mi e of its jct with 25N49, ca. 14 air mi n of Blairsden. 2255 Comment
  SEINET10528537  Fritillaria pudica John G. Lemmon Lemmon s.n. Plumas Sierra Valley. Comment
  RSA268958  Fritillaria recurva J. R. Reeder, C. G. Reeder 1975-6-5 6679 Plumas 5.5 miles south-southeast of Cromberg along State Highway 24 1341 Comment
  CHSC43371  Galium bolanderi Lowell Ahart 1976-7-16 1178 Plumas About 5 miles north-west of Little Grass Valley Reservoir. 1828 Comment
  UCSB27409  Galium bolanderi Kunze, G. 1971-6-6 Plumas California 89, 5 miles south of Canyon Dam. 1188 Comment
  CHSC82990  Galium sparsiflorum subsp. glabrius L. P. Janeway; B. Castro 2001-7-1 7245 B Plumas Northern High Sierra Nevada. About 1.3 km east of La Porte; along Road 21N58 0.5 km from Road 21N13X (512); side drainage into Wisconsin Ravine (thence into Slate Creek). Road cut bank. 1487 Comment
  CDA14670  Galium trifidum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3111 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. 1371 Comment
  CHSC21289  Galium trifidum F. T. Griggs; A. Pass 1975-8-5 306 Plumas Buck's Lake Forest Service Survey. Comment
  UC1523184  Galium trifidum M. S. Taylor 1982-8-17 5005 Plumas ca 5 air mi ne Sloat (s side of lake); Mt. Ingalls Quad., Little Summit Lake 1798 Comment
  JEPS122303  Galium trifidum subsp. subbiflorum Lowell Ahart 2014-8-31 19820 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  POM367793  Galium triflorum Dorothy Davis 1923-7-24 s.n. Plumas Mohawk 1372 Comment
  UCD121958  Galium triflorum J. M. Tucker 1948-7-25 1743 Plumas At mine of United Mining Co., Pinchard Creek, southwest side Camel's Peak. 1524 Comment
  CAS-BOT-BC144397  Garrya fremontii John Thomas Howell 1959-9-21 34780 Plumas N. Fk. Feather River near Belden 701 Comment
  CAS-BOT-BC169860  Garrya fremontii Lewis S. Rose 1954-5-30 54075 Plumas Johnsville 1600 Comment
  CAS-BOT-BC169864  Garrya fremontii H. L. Mason 1924-6-18 1053 Plumas Road between Graeagle and Gold Lake Comment
  CHSC51263  Garrya fremontii Lowell Ahart 1990-10-14 6633 Plumas Growing in dry soil along an improved road, about 1/8 mile south of Cleghorn Bar Road, about 2 1/2 (air) miles west of Finger Board. 1767 Comment
  UC1122667  Garrya fremontii R. Roseberry 1934-11-1 2 Plumas 2 mi nw Mt. Jackson; Plumas National Forest, Downieville Quad. 1493 Comment
  JEPS127121  Gayophytum diffusum subsp. diffusum Lowell Ahart 2016-8-30 21326 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
  CHSC103151  Gayophytum diffusum subsp. parviflorum Lowell Ahart; John Dittes 2009-9-7 16386 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC81389  Gayophytum heterozygum Lowell Ahart 2001-9-18 9289 Plumas Near Cow Creek, on the strand of Lake Davis. 1761 Comment
  JEPS122088  Gayophytum heterozygum Lowell Ahart 2014-8-26 19797 Plumas On both sides 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
  UC625476  Gayophytum heterozygum Frank W. Gould 1938-6-27 451 Plumas 5 mi n Blairsden 1371 Comment
  JEPS102352  Gayophytum racemosum Lowell Ahart 2001-9-18 9291 Plumas Lake Davis, strand, near Cow Creek 1761 Comment
  RSA60245  Gayophytum racemosum E. K. Balls 1950-9-2 15638 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley. 2256 Comment
  RSA726357  Gayophytum racemosum L. Ahart, John Dittes 2007-6-16 14088 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
  UC878534  Gentiana newberryi Mrs. A. L. Coombes Sep 1912 Plumas Big Meadows Comment
  CHSC84706  Gentiana newberryi var. tiogana L. P. Janeway; B. Castro 2003-9-7 7987 Plumas High Cascade Range. East side of Hay Meadow next to trailhead parking, 0.2 km south of the Caribou Wilderness Area. 1948 Comment
  JEPS114523  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 1600 Comment
  JEPS91320  Gentianopsis simplex Dean W. Taylor 1974-10-1 5053 Plumas Jamison Creek Drainage, above Jamison Lake drainage, ca 3 mi S of Plumas-Eureka State park 609 Comment
  CDA14676  Geum macrophyllum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3119 Plumas Round Valley Reservoir, 0.25 mile west of the dam on Dixie Canyon-Round Valley Road. Sheet 1 of 2 1371 Comment
  CDA19269  Geum triflorum G. D. Barbe, T. C. Fuller 1982-6-17 3840 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  UC908578  Gilia capillaris Herbert L. Mason 1924-6-20 1083 Plumas Gold Lake Comment
  UC1583953  Gilia capitata subsp. capitata G. Schoolcraft 1990-6-4 2068 Plumas about 1 mi w Crescent Mills; w of Crescent Mills 1463 Comment
  SEINET7063407  Gilia latifolia A. G. Vestal 1947-3-28 s.n. Plumas Warner Valley. UTM Zone 10, 643848mE, 4469701mN. (WGS84/NAD83). 1536 Comment
  SEINET3163619  Gilia leptalea E. K. Balls 1950-9-5 15673 Plumas 0.5 mi. off Hwy 24, on La Porte Rd., e. of Quincy, Thompson Valley 1097 Comment
  SEINET5906112 Image available Gilia leptalea L. S. Rose 1967-1 67159 Plumas Mt Hough Rd. 9.5 mi NE of Quincy Jct. Comment
  JEPS113652  Gilia leptalea subsp. bicolor Lowell Ahart, Josephine Guardino 2007-7-21 14381 Plumas Bottom 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
  UCSB40618  Githopsis specularioides Reisentz, Paul 1979-5-12 Plumas 11 miles north of Injum Jim campground on Hwy 70 Comment
  SEINET13709989  Glyceria borealis Lowell William Ahart, Lowell William Ahart 2001-1 9189 Plumas 3/4 Mi. NE of Chester, Last Chance Marsh (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  JEPS113810  Glyceria elata Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14458 Plumas West of a small stream and meadow, about 10 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
  SEINET10966590  Glyceria elata Patricia L. Kenney 1973-6-5 Kenney 430 Plumas Along a stream along HWY 70. 6 mi S of jct of HWYs 89 & 70. Comment
  CAS-BOT-BC307393  Gnaphalium palustre Anna Head 1921-8-8 s.n. Plumas Lake Center Camp , Feather River Region Comment
  CDA14697  Gnaphalium palustre G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3185 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  CHSC62094  Gnaphalium palustre L. P. Janeway 1993-8-14 4528 Plumas Plumas National Forest. Along Road 24N29Y, ca 0.2 mi north of Haskins Creek and ca 1.6 mi southeast of Bucks Lake. Edge of dirt road adjacent to a seep. 1691 Comment
  CHSC75458  Gnaphalium palustre G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3185 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  JEPS122239  Gnaphalium palustre Lowell Ahart 2014-9-9 19834 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  SBBG21774  Gnaphalium palustre D. Myrick 1964-7-21 903 Plumas Drakesbad 1737 Comment
  SEINET3145226  Gnaphalium palustre E. K. Balls 1950-9-2 15633 Plumas Nye Meadows, Mt. Ingalls, N of Grizzly valley 2256 Comment
  SJSU14267  Gnaphalium palustre N. A. Hopkins 1989-6-7 1513 Plumas Crocker Meadow on W side of Beckwourth-Genesee Rd c. 4 mi N of Beckwourth 1524 Comment
  UC924257  Goodyera oblongifolia H. S. Reed 1941-8-2 Plumas Forest Lodge 1036 Comment
  RSA101420  Goodyera oblongifolia R. Weatherby 1955-8-18 1686 Plumas Grizzly Creek Canyon, near Bottle Springs, Middle Fork Feather River 1463 Comment
  SEINET10470041  Goodyera oblongifolia Mary Susan Taylor 1981-7-21 Taylor 4080 Plumas T24N R11E east center sec 19, Spring Garden quad. NE corner of jct of 25N42 and 401, above Squirrel Creek, ca. 3 air mi N of Spring Garden; Yellow Pine Forest dry woods; 4500 ft elev. 1372 Comment
  CHSC84531  Grindelia nana John Dittes 2003-8-8 2003 -91 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 6.3 air-mile southeast of Portola, ca. 4.3 air-mile south by southeast of Beckwourth, ca. 0.2 air-mile east of Beckwourth-Calpine Road (A23). At edge of Dyson Lane. 1487 Comment
  CAS-BOT-BC494138  Grindelia squarrosa William Harnach 2000-8-23 992 Plumas Sierra Valley. Intersection of Dyson Lane and Hwy 49 1496 Comment
  SEINET3891107  Habenaria sparsiflora D. W. McNeal 1990-8-10 3780 Plumas Beside the rd. from Gold Lake to Mills Peak L.O. (Church Meadows Rd.).; 0 Comment
  CDA14584  Hackelia nervosa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3068 Plumas headwaters of south Fork Feather River, 10.6 miles northeast of La Porte on La Porte-Quincy Road. 1889 Comment
  UCR244687  Hackelia nervosa J. T. Howell, T. C. Fuller, G. D. Barbe 1981-6-22 54113 Plumas Sierra Nevada Mtns., 10.6 miles NE of LaPorte on road [LaPorte Rd.] to Quincy 1890 Comment
  RSA239301  Hastingsia alba Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42347 Plumas Butterfly Valley Botanic Area: Partly in Plumas National Forest; near Darlingonia Bog 1174 Comment
  RSA95508  Hastingsia alba J. T. Howell 1951-6-26 27533 Plumas Feather River Canyon 854 Comment
  CHSC84987  Helianthella californica var. nevadensis Lowell Ahart 2003-10-17 10650 Plumas On the south side of the Pacific Crest Trail, about 1/2 mile east of Humboldt Peak about 1 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2133 Comment
  CAS-BOT-BC305538  Helianthus bolanderi Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  SD6703  Heliotropium curassavicum var. oculatum Mrs. R. M. Austin Aug 1894 Plumas Banks of Pitt River above Alturas Comment
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May 14 2014
  CAS-BOT-BC315015  Hemizonella minima John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-6-12 1962 Plumas Trestle Glen, Butterfly Botanical Area and Vicinity 1112 Comment
  CAS-BOT-BC55291  Hesperis matronalis T. C. Fuller 1963-6-13 10669 Plumas North of hotel in Quincy. Comment
  UC726884  Hesperochiron californicus A. A. Heller 1942-5-8 16465 Plumas meadow w. Plumas 1524 Comment
  CHSC35900  Hesperochiron pumilus M. S. Taylor 1982-5-6 4407 Plumas On wet clay serpentine ridge, ca. 3/4 mi ne of 24N29, ca. 1 mi e of Meadow Valley. 1158 Comment
  CHSC111718  Hesperolinon micranthum Lowell Ahart 2012-7-1 18260 Plumas On the sides and in the gutter of the dirt road to the large pipe, about 1/4 mile east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  RSA189337  Hesperolinon micranthum L. S. Rose 1967-7-11 67158 Plumas Mt. Hough Road, 2 miles NE of Quincy Junction. 1220 Comment
  CAS-BOT-BC311019  Heterotheca oregona John Thomas Howell 1959-9-26 35077 Plumas 5 miles northeast of Storrie 609 Comment
  JEPS113321  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 Roack Creek Reservoir dam, and above North Fork Feather River. Comment
  CHSC69702  Heterotheca oregona var. rudis Vernon Oswald; Lowell Ahart 1997-9-18 8871 Plumas Hwy. 70 between Tobin and Belden, 10.7 mi north of the Butte-Plumas county line. On the bank of the North Fork Feather River. 627 Comment
  JEPS95065  Heterotheca oregona var. rudis Vernon Oswald and Lowell Ahart 1997-9-18 8871 Plumas 10.7 mi n of Butte-Plumas County line (Highway 70 between Tobin and Belden, on bank of the North Fork Feather River); North Fork Feather River, Highway 70 627 Comment
  CAS-BOT-BC311071  Heterotheca oregona var. rudis Lemmon 1878-5-1 s.n. Plumas Unspecified Comment
  CHSC105180  Heterotheca villosa var. minor B. Castro; L. P. Janeway 1997-9-14 784 Plumas Springy S-facing slope above Jamison Creek, above Rd 507 ca 0.9 mi E of the Plumas-Eureka State Park boundary. 1828 Comment
  CAS-BOT-BC424170  Heuchera micrantha var. erubescens Alice Eastwood 1927-6-1 14670 Plumas United States Forest Reserve, on road from Long Valley Comment
  RSA0066190  Heuchera rubescens var. alpicola R. C. Bacigalupi 1927-7-2 1687 Plumas About 0.25 mile below outlet of Long Lake along Grey Eagle Creek. 1829 Comment
  UC485803  Hieracium albiflorum H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC318521  Hieracium bolanderi John Thomas Howell 1951-6-28 27716 Plumas Eureka Peak 2255 Comment
  CAS-BOT-BC318527  Hieracium greenei L. N. Lorenzen No date on label. 8 Plumas Tamarac Springs, Shasta Forest 1676 Comment
  CHSC54431  Hieracium scouleri var. nudicaule Vernon H. Oswald 1991-7-17 4755 Plumas Forest Rd 29N16 (Little Willow Lake Rd), 0.4 miles north of its junction with Rd 29N18 (Upper Rice Creek Rd), ca. 3 miles (air) south of Drakesbad and 0.5 mile (air) south of Little Willow Lake. 1874 Comment
  CDA13970  Holcus lanatus G. F. Hrusa 1996-8-2 13433 Plumas Sierra Nevada; Steep rocky slopes at SW base of ridge between Argentine & Taylor Rocks, n 1 mi. NW of Argentine Rock. Sunny, wet, springline; trib. of Squirrel Creek. Perennial in formerly disturbed area adjacent to old logging road. Comment
  CHSC55641  Holcus lanatus K. R. Stern 1985-6-25 8305 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC79086  Holcus lanatus L. P. Janeway; B. Castro 2000-7-3 6877 Plumas Northern High Sierra Nevada. Head of small drainage to East Branch North Fork Feather River from the southeast, vicinity of Paxton; about 1.1 km north of Butterfly Valley Botanical Area. 1189 Comment
  CHSC118671  Holcus lanatus Chelsea Morgan 2015-6-30 2015025 Plumas Plumas National Forest. Location northwest of Antelope Lake, between Forest Service road 28N03 and 27N65. UTM 701000 E, 4454005 N, NAD83 Zone 10N. 1590 Comment
  JEPS26683  Holodiscus discolor P. C. Hutchison 1961-6-9 2116 Plumas 2 miles south of Rich Bar; Feather River, US Alt. 40; canyon of the north fork of the Feather River along highway US Alt. 40, on serpentine cliff above road, at bridge, 2 miles south of (below) Rich Barr. Comment
  CAS-BOT-BC150015  Holodiscus discolor var. discolor Clare B. Hardham 1970-8-9 17716 M Plumas Road to Thompson Peak Lookout 2133 Comment
  JEPS113678  Hordeum jubatum Lowell Ahart, Josephine Guardino 2007-7-20 14326 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  CAS-BOT-BC285109  Hordeum marinum subsp. gussoneanum Walter Knight; Irja Knight 1967-5-22 2002 Plumas Butterfly Botanical Area and vicinity 1097 Comment
  CDA12147  Horkelia fusca subsp. parviflora G. F. Hrusa, J. Dinsdale 1989-6-27 7220 Plumas Sierra Nevada; North shore of Bucks Lake. Comment
  RSA726375  Horkelia fusca subsp. parviflora L. Ahart, Josephine Guardino 2007-7-20 14343 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  CAS-BOT-BC537872  Horkelia fusca var. parviflora Anna Head 1920-7-25 s. n. Plumas Feather River Region: Lake Center Comment
  CAS-BOT-BC537903  Horkelia fusca var. parviflora L. P. Janeway; Melinda Carlson 1991-6-18 4045 Plumas Plumas Nat'l Forest: Beckwourth Ranger District: N. side Middle Fork Feather River, S side Hwy 70, at Dellereker, ca. 0.3 mi west of Portola 1472 Comment
  SJSU14715  Horkelia fusca var. parviflora N. A. Hopkins 1991-7-3 1705 Plumas by rd to Janesville 15 mi N of junction with Beckwourth-Genesee Rd 1524 Comment
  POM183413  Horkelia tridentata L. S. Rose 1931-4-14 s.n. Plumas Woodleaf Comment
  POM253368  Horkelia tridentata subsp. flavescens A. A. Heller 1938-5-21 15102 Plumas Plentiful on gravelly plain west of Chester. 1305 Comment
  UC473554  Horkelia tridentata subsp. tridentata L. S. Rose 1931-4-14 Plumas Woodleaf Comment
  CAS-BOT-BC536285  Horkelia tridentata var. tridentata Lewis S. Rose 1967-6-19 67110 Plumas Butterfly Valley, ca. 3 miles west of Keddie 1036 Comment
  CHSC113588  Hosackia oblongifolia var. oblongifolia Lowell Ahart 2014-8-24 19749 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  SBBG21859  Hosackia oblongifolia var. oblongifolia D. Myrick 1964-7-21 902 Plumas Drakesbad 1737 Comment
  CHSC37194  Hosackia stipularis var. ottleyi L. Ahart 1982-7-30 3734 Plumas Along the edge of a dirt road, near headwaters of Ohio Ravine, ca. 1 mi ne of Hardquartz Mine, ca. 6 mi s of Bucks Lake. 1700 Comment
  POM147051  Hydrophyllum capitatum var. alpinum Alice Eastwood 1927-06 14890 Plumas On road from Chilcott, United States Forest Reserve Comment
  RSA641461  Hydrophyllum capitatum var. alpinum Michael A. Vincent 1999-6-8 8568 Plumas Plumas National Forest, Milford Ranger District. Squaw Valley. Valley floor around junction of FS Rt. 70 and FS 01. Comment
  UCD119480  Hydrophyllum capitatum var. alpinum Grady L. Webster 1992-5-17 7763 Plumas c. 2 mi SW of Grizzly Valley Dam. 1737 Comment
  CAS-BOT-BC400942  Hypericum anagalloides Rimo Bacigalupi 1927-7-10 1683 Plumas Slopes of Mt Elwell above Long Lake 2133 Comment
  RSA795724  Hypericum perforatum L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16241 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC401434  Hypericum scouleri David D. Keck 1932-7-3 1672 Plumas Quincy, in the Northern Sierra Nevada. Along the road to Lake Almanor 1065 Comment
  CAS-BOT-BC88629  Idahoa scapigera Helen MacGavin 1974-1-1 s.n. Plumas Sierra Nevada. Portola. Comment
  POM181060  Ipomopsis aggregata subsp. formosissima A. A. Heller, P. B. Kennedy 1907-7-13 8831 Plumas between Taylorville and Little Grizzly creek Comment
  UC1607554  Ipomopsis congesta Barbara Ertter with Gary Schoolcraft 1989-7-3 8663 Plumas ca. 7 air mi s Susanville (sw peak); Diamond Mt. 2316 Comment
  SEINET10837195  Ipomopsis congesta subsp. palmifrons Mary Susan Taylor 1982-8-18 Taylor 5013 A Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Mt Ingalls summit, ca. 9 air mi ne of Sloat. Open exposed rocky area; 8370 ft. 2551 Comment
  CAS-BOT-BC135740  Iris hartwegii L. W. Lenz; E. K. Balls 1956-6-19 21839 Plumas 1.2 mi. E. along State Hwy. 89 after leaving Lake Almanor 1417 Comment
  CAS-BOT-BC135744  Iris hartwegii M. S. Taylor 1982-6-1 4575 Plumas On e. side of Hwy 70, ca. 1 mi. no of quincy. 1097 Comment
  UCD138825  Iris tenuissima subsp. purdyiformis Barbara Bogert 1970-5-9 10 Plumas along State Highway 70, 1.3 miles northeast of Swamp Creek (ca. 4 miles southwest of Storrie). 853 Comment
  JEPS116136  Isoetes bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16212 Plumas On wet to damp soil, bottom of a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  CHSC117650  Isoetes howellii Lowell Ahart 2016-8-30 21320 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CAS-BOT-BC137403  Ivesia aperta David D. Keck; A. Gustafsson 1938-8-9 4901 Plumas Beckwith (Beckwourth), Sierra Valley, 0.5 mi. E. of town 1500 Comment
  JEPS100321  Ivesia aperta var. aperta Dean W. Taylor 2001-7-12 17827 Plumas summit of Doyle Grade, drainage of Little Last Change Creek, 1 mile W of Meadow View Campground, at the junction of the Doyle Grade Road with the Frenchman Lake Road, growing in an area kept open by frequent vehicle traffic 1798 Comment
  RSA789731  Ivesia baileyi James R. Shevock 1985-7-6 11316 Plumas Plumas National Forest, Little Last Chance Creek on road to Frenchman Reservoir. 1750 Comment
  RSA122949  Ivesia sericoleuca E. Sawyer 1935-6-28 244 Plumas Sierraville. 1524 Comment
  CAS-BOT-BC109968  Juncus W. Harnach; N. Harnach 1991-6-21 565 Plumas Sierra Valley. Next to R/R bridge esat of County Road A-23. 1487 Comment
  SEINET6331938  Juncus balticus W. Harnach 1991-6-17 550 Plumas Sierra Valley, 3/4 mile west of steel bridge on Marble Lane 1486 Comment
  CHSC97084  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
  CHSC40258  Juncus bufonius var. bufonius Lowell Ahart 1985-7-11 5133 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CHSC97582  Juncus bufonius var. occidentalis Lowell Ahart; John Dittes 2007-6-16 14106 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  JEPS97350  Juncus bufonius var. occidentalis Lowell Ahart 1995-9-13 7628 Plumas E of Quincy La Porte Road, abut 1 mi NW of Pilot Peak N side of Onion Valley 1828 Comment
  RSA59906  Juncus bufonius var. occidentalis E. K. Balls 1950-9-14 15821 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  JEPS113859  Juncus confusus Lowell Ahart, Josephine Guardino 2007-7-20 14311 Plumas South of a small drainage, northeast edge of a large meadow, south of Lightning Tree Campground, west of the paved road, east side of Lake Davis 1789 Comment
  JEPS107931  Juncus dubius Lowell Ahart, Josephine Guardino 2005-8-10 12311 Plumas Small meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  JEPS120102  Juncus dudleyi Lowell Ahart 2012-7-1 18256 Plumas On the west edge of Caribou Road, about 20 yards south of stream, about 4 miles (air) northeast of Belden. Comment
  CHSC95020  Juncus ensifolius Lowell Ahart 2006-10-23 13490 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
  RSA60135  Juncus ensifolius E. K. Balls 1950-9-5 15680 Plumas Thompson Creek, main trail off La Porte road, turn off highway 24, east of Quincy. 1524 Comment
  SEINET10912293 Image available Juncus ensifolius R. M. Austin 1880-1 Austin s.n. Plumas Comment
  SEINET10472442  Juncus hemiendytus Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4195 Plumas Ca. 1/4 mi e of Feather Fork Mine, ca. 5.5 mi n of La Porte. Red Fir Forest; 1800 m. 1800 Comment
  JEPS114893  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 o 1686 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
  UCD141556  Juncus howellii Lewis S. Rose 1966-7-27 66068 Plumas 3 mi. w. of Keddie. Butterfly Valley. 1066 Comment
  CAS-BOT-BC227796  Juncus macrandrus Lowell Ahart 2008-9-10 15391 Plumas About 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 4 1/2 miles (air) north of La Porte 1597 Comment
  UCD108041  Juncus macrandrus Tim Kuhn 2006-7-11 77 Plumas on Plumas NF forest service road 107407. Comment
  CDA13976  Juncus nevadensis G. F. Hrusa 1996-8-2 13440 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, 1 mi. NW of Argentine Rock. . Comment
  CHSC47569  Juncus nevadensis Lowell Ahart 1979-7-18 1978 Plumas Along the bank of Onion Valley Creek, east of the Quincy La Porte Road before it crosses the creek, about 1 mile west of Pilot Peak, about 12 miles north of La Porte. 1767 Comment
  CHSC78753  Juncus nevadensis L. P. Janeway 2000-7-16 6904 Plumas Northern High Sierra Nevada. Large meadow at Greens Flat; at head of Catrell Creek; about 3.7 km northwest of Middle Fork Feather River. 1722 Comment
  CHSC91934  Juncus occidentalis Lowell Ahart; Josephine Guardino 2005-8-9 12296 Plumas On the east side of Fant Creek, along the dirt road, about 50 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  SEINET13709843  Juncus orthophyllus Lowell William Ahart, Lowell William Ahart 2001-1 8899 Plumas Small Branch of Butt Creek, 2.5 Mi. N of Humboldt Summit (T27N, R5E, sec 20, NW 1/4) 6000 Ft. 1829 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
  CHSC94997  Juncus tenuis Lowell Ahart 2006-10-23 13491 A Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS115980  Juncus tenuis Lowell Ahart, John Dittes 2009-9-7 16390 -D Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  RSA754873  Juncus tenuis L. Ahart, John Dittes 2009-9-7 16390 A Plumas Below the high water line of Lake Almanor, about 2000 feet NW of lake Almanor Dam. 1591 Comment
  UC401371  Juniperus communis H. M. Hall 1912-7-12 9345 Plumas slopes s of Long Lake; Sierra Nevada Mountains 2072 Comment
  CHSC117005  Juniperus grandis Lowell Ahart 2016-6-4 21062 Plumas Top and southeast part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  UC1134349  Juniperus occidentalis R. Roseberry 1934-10-22 17 Plumas 1 1/2 mi ne Pilot Pk.; Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC58898  Kalmia microphylla subsp. microphylla J. H. Hatton; Cayot 1914-9-12 19213 Plumas Long Lake 2072 Comment
  LA41755  Kalmia polifolia C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC25748  Kalmia polifolia subsp. microphylla John Steiner 1977-6-15 75 Plumas Lassen Volcanic National Park. 0.5 km n King's Creek and 2.3 km e Lake Helen. 2292 Comment
  RSA150585  Keckiella breviflora subsp. glabrisepala Lee W. Lenz 1961-6-20 24351 Plumas Feather River Canyon. 488 Comment
  NY790349  Keckiella lemmonii J. T. Howell 1976-7-16 51915 Plumas Just east of Bucks Summit on road to Meadow Valley 1645.9 Comment
  CHSC33738  Kelloggia galioides M. S. Taylor; M. Foster 1981-7-14 4013 Plumas Saddle at ehad of Bullfrog Ravine, on both sides of 26N18, ca. 3 air mi NW of Indian Falls. 1645 Comment
  UC889314  Kelloggia galioides Anna Head 1920-7-29 Plumas Lake Center Camp; Feather River Region 1920 Comment
  CAS-BOT-BC340347  Kyhosia bolanderi J. T. Vale 1988-10-3 s.n. Plumas Lakes Basin. Boggy area near Grey [Gray] Eagle Lodge 1645 Comment
  JEPS7375  Kyhosia bolanderi W. L. Jepson 1929-7-29 19283 Plumas between Fales Hill and Chaparral Hill; Spanish Creek headwaters 1584 Comment
  SJSU8123  Kyhosia bolanderi H. L. Buckalew 1964-7-28 Plumas Bucks L 1584 Comment
  SEINET10839262  Lactuca saligna Mary Susan Taylor 1982-9-7 Taylor 5097 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  CAS-BOT-BC341576  Lagophylla ramosissima David D. Keck 1932-7-3 1618 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  CAS-BOT-BC213387  Lathyrus jepsonii subsp. californicus Robert J. Weatherby 1950-7-7 1464 Plumas Banks of stream, near Snake Lake, Quincy 1219 Comment
  RSA52876  Lathyrus jepsonii subsp. californicus R. Weatherby 1950-7-7 1464 Plumas Quincy. Banks of stream near Snake Lake. 1220 Comment
  CAS-BOT-BC205063  Lathyrus sulphureus Charles Piper Smith 1914-7-2 2908 Plumas Marston - W.P.R.R. Comment
  UC1069723  Layia glandulosa E. Sawyer 1935-6-6 75 Plumas 4 3/4 mi sse of Sugarloaf; Sierraville Quadrangle Comment
  SEINET11447833 Image available Layia platyglossa W. Harnach, N. Harnach 2004-5-15 1170 Plumas Sierra Valley. Hwy 70. Approx 1.5 miles east of Beckwourth and across from the airport. South edge of Hwy 70. 1487 Comment
  SD7724  Ledum glandulosum Mrs. R. M. Austin 1870-1 Plumas Butterfly Valley Comment
  CAS-BOT-BC534383  Lemna gibba Fred Sommers 1976-8-12 205 Plumas Sierra Valley along Marble Lane 1487 Comment
  CHSC103126  Lemna minuta Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16118 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CAS-BOT-BC534928  Lemna minuta Malcolm A. Nobs; S. Galen Smith 1949-8-19 1420 Plumas About 2 miles south of Greenville, Indian Valley. Comment
  CAS-BOT-BC527294  Lemna trisulca Herbert L. Mason 1955-7-30 14638 Plumas Near Chester Comment
  CHSC87624  Lepidium campestre Lowell Ahart; Josephine Guardino 2004-5-24 10949 Plumas Old logging road, about 150 yards north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy. 1208 Comment
  SD46550  Lepidium campestre Robert J. Weatherby 1950-7-7 1444 Plumas Forestry Headquarters, Quincy 1064 Comment
  CAS-BOT-BC12826  Lepidium perfoliatum John Thomas Howell 1962-6-17 37732 Plumas Sierra Nevada. Portola. 1463 Comment
  CAS-BOT-BC60095  Lepidium virginicum var. menziesii Javier Penalosa 1962-6-19 2502 Plumas +-6.2 miles southeast of Quincy. 1097 Comment
  POM74482  Leptosiphon nuttallii Marcus E. Jones 1897-7-6 10079 Plumas Prattville. 5 miles west. 1372 Comment
  RSA88431  Leucophysalis nana J. T. Howell 1951-6-27 27615 Plumas Jamison Creek 1829 Comment
  RSA59605  Leucophysalis nana Verne Grant, Alva Grant 1950-7-12 8938 Plumas Near Red Mt Fire Lookout, S of Diamond, Mt Plumas National Forest, S of Susanville. 2134 Comment
  RSA712972  Leucophysalis nana L. P. Janeway 1994-7-8 4688 Plumas Northern High Sierra Nevada, Hartman Bar Ridge, Slope N of Road 22N94 on S side of Franklin Hill. 1707 Comment
  RSA79886  Leucophysalis nana F. W. Peirson 1926-6-21 6796 Plumas Open flat strip along shore of Lake Almanor. Comment
  CAS-BOT-BC59610  Leucothoe davisiae Rimo Bacigalupi 1927-7-7 1652 Plumas Upper reaches of trail between Gray Eagle Valley and Long Lake. Comment
  CAS-BOT-BC59620  Leucothoe davisiae Anna Head 1921-7-24 s.n. Plumas Small valley on trail to Long L. Feather River Region. Comment
  SJSU15290  Lewisia cantelovii S. Woolhouse 2010-7-25 10 Plumas Site is 0.5 miles North of the intersection wtih Highway 70. Baribou quad. Comment
  SEINET10863157  Lewisia cantelovii Mary Susan Taylor 1981-7-26 Taylor 4117 Plumas T25N R7E nw 1/4 nw 1/4 sec 4. Almanor SW. Open serpentine cliff (with granite elements), n side of Caribou Rd. 3.5 mi NE of its jct with Hwy 70 near Beldon. 2700 ft. 823 Comment
  CAS-BOT-BC229484  Lewisia kelloggii Margaret Williams; Emily McPherson 1974-8-5 74 -P-14 Plumas West shoulder of Mt. Elwell. Trail to Mt. Elwell, Lakes Basin 2194 Comment
  CHSC34925  Lewisia nevadensis M. S. Taylor 1981-6-3 3850 Plumas S side of 24N57, ca. 1 mi sw of Summit Lakes in Grizzly Valley, ca. 11 mi nw of Beckwourth. 1798 Comment
  CAS-BOT-BC444176  Lewisia nevadensis Anna Head 1921-6-25 s.n. Plumas Near Gold Lake, Feather River Region Comment
  SEINET5336485  Lewisia nevadensis M. J. Williams 1965-6-24 s.n. Plumas Happy Valley above Long Valley near Cromberg. 1707 Comment
  HSC100758  Lewisia triphylla L. P. Janeway 2011-7-6 10496 Plumas Plumas National Forest, W edge of top of Goat Mountain, 0.7 km SE of the SE side of Little Grass Valley Reservoir; 4.2 air km NNE of La Porte. 525 Comment
  CAS-BOT-BC283806  Leymus cinereus John Thomas Howell 1955-7-19 30795 Plumas Vinton 1505 Comment
  CAS-BOT-BC283810  Leymus cinereus C. R. Ball 1932-7-24 699 Plumas Humbug House, Humbug Road. 9 miles SW of Lake Almanor and 20 miles NE of Chaparral Comment
  UCD64264  Leymus cinereus G. L. Stebbins Jr. 1939-7-9 2924 Plumas East side of Little Last Chance Valley. 1706 Comment
  CAS-BOT-BC436051  Ligusticum grayi John Thomas Howell 1960-7-21 35834 Plumas Lassen Volcanic National Park, NW of Willow Lake 1706 Comment
  SEINET13944256 Image available Ligusticum grayi E. K. Balls 1950-1 15706 Plumas Red Fir Forest; Lakes Center Public Campground. Alt 6700 ft 2042 Comment
  UC1100163  Lilaea scilloides Malcolm A. Nobs and S. Galen Smith 1949-8-18 1385 Plumas just s Chester (Last Chance marshes at n end of Lake Almanor); Lake Almanor, Last Chance Comment
  CDA11933  Lilium kelleyanum G. F. Hrusa, J. Dinsdale 1989-6-27 7208 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  UCD139740  Lilium kelleyanum J. M. Tucker 1948-7-24 1726 Plumas Near road from Cascade to Camel Peak. 1615 Comment
  CAS-BOT-BC509318  Lilium kelleyanum John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1969-6-24 2422 Plumas Fern Glen 1112 Comment
  CAS-BOT-BC509346  Lilium kelleyanum Mrs. A. H. Rodda 1932-7-1 s.n. Plumas Gold Lake Comment
  CAS-BOT-BC133082  Lilium washingtonianum subsp. washingtonianum Mrs. Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor Comment
  CAS-BOT-BC246073  Limosella aquatica L. P. Janeway 1992-11-16 4312 Plumas Middle Fork Feather River 1.5 mi. west of Beckwourth, Beckwourth Ranger District, Plumas National Forest 1481 Comment
  SEINET10898116  Limosella aquatica Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5171 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  CHSC99198  Linaria vulgaris John Dittes 2005-9-30 1296 Plumas Northern High Sierra Nevada Range; 8.3 air-miles S of diamond Mt., 4.6 air-miles WxNW of Antelope Lake Dam, 2.7 air-miles NE of Taylor Lake; ca. 0.5 air-mile east of intersection of FS Routes 27N090 and 27N56; Moist meadow just west of northern tributary drainage of Hungry Creek. 1944 Comment
  RSA0087574  Linnaea borealis subsp. longiflora Lowell Ahart, John Dittes 2009-7-14 16076 Plumas North of Forest Service Road 26N22, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1454 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
  JEPS114935  Listera convallarioides Lowell Ahart 2008-7-16 15091 Plumas On the east side of a small stream, about 150 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  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
  UC336571  Listera convallarioides J. G. Lemmon Plumas Butterfly Valley Comment
  SEINET10483005  Lithophragma Mary Susan Taylor 1981-6-17 Taylor 3926 Plumas T25N R12E nw/ne sec 35. Grizzly Valley quad. Large Montane Meadow on N side of Coldwater Spring, ca. 1/4 mi E of its jct with 25N49, ca. 14 air mi N of Blairsden. 6800 ft elev. 2073 Comment
  CHSC57313  Lithophragma glabrum L. P. Janeway 1991-5-29 3975 Plumas Plumas National Forest. North-facing slope in small valley on northwest side of Red Clover Valley and just over a low pass southeast of Poco Creek. 1722 Comment
  CHSC82372  Lithophragma glabrum Lowell Ahart 2002-6-26 9759 Plumas On the southwest side of a gravel road, about 2 miles (air) northwest of Little Grass Valley Reservoir Dam, about 5 miles (air) northwest of La Porte. 1741 Comment
  CHSC43747  Lithophragma tenellum Vernon Oswald 1984-6-25 1320 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. 1889 Comment
  SEINET10870097  Lithospermum ruderale Mary Susan Taylor 1982-5-19 Taylor 4486 Plumas T23N R14E ne/nw sec 27. Portola quad. Sandy sagebrush scrub, Ramelli Ranch, ca. 1 mi w of Beckwourth. 4800 ft. 1463 Comment
  UC573498  Lithospermum ruderale E. Sawyer 1935-6-27 175 Plumas 3.7 mi n Hawks 1676 Comment
  UC175512  Lomatium nudicaule A. A. Heller 1913-6-13 10834 Plumas near Marston Station 1066 Comment
  SEINET10972967  Lomatium piperi Mary Susan Taylor 1982-5-14 Taylor 4443 Plumas T23N R13E sw/se sec 10. Blairsden quad. Sagebrush Scrub over rocky volcanics, along Turner Springs Rd, just s of its jct with Hwy 114, ca. 2 air mi sw of Portola. 5000 ft. 1524 Comment
  SEINET11121415  Lomatium piperi S. L. Sedillos 1976-3-21 s.n. Plumas Portola, vacant lot on Green Street. 1524 Comment
  SEINET10740848 Image available Lomatium plummerae var. helleri A. Arthur Heller 1913-6-13 Heller 10838 Plumas Near Marston Station. 1067 Comment
  RSA0012544  Lomatium utriculatum Joan Stewart 2000-06 1038 Plumas Plumas National Forest Comment
  UC1586463  Lonicera cauriana Vernon H. Oswald and Lowell Ahart 1991-7-30 4786 Plumas 5.2 mi (odometer) ne Humbug Summit (between Humbug Summit and Humbug Valley, Humbug Rd.); Grizzly Creek 1777 Comment
  SD6577  Lonicera conjugialis Mrs. R. M. Austin 1880-1 Plumas Comment
  CDA9312  Lonicera hispidula var. vacillans D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-2 6 .263 Plumas Along road at base of cliff about 15 miles E of Oroville. Mark 83. Comment
  CAS-BOT-BC243910  Lonicera involucrata var. involucrata Anna Head 1921-7-20 s.n. Plumas On trail to Round Lake, Feather River Region Comment
  CAS-BOT-BC243914  Lonicera involucrata var. involucrata Alice Eastwood 1909-1-1 129 Plumas Ward Creek, Lake Tahoe Region Comment
  CHSC43341  Lonicera involucrata var. involucrata Lowell Ahart 1975-7-2 836 Plumas Along Lost Creek, about 6 miles north of the Sly Creek Dam. 914 Comment
  UC1075714  Lonicera involucrata var. involucrata Robert J. Weatherby 1955-6-26 1557 Plumas near Lakes Ranger Station; Lakes Basin 1981 Comment
  RSA71309  Lotus argophyllus var. fremontii L. S. Rose 1951-6-29 51078 Plumas Rock Creek, Feather River 550 Comment
  UC80914  Lotus crassifolius var. crassifolius Mrs. R. M. Austin Jul 1876 Plumas Mill Creek Comment
  CDA14760  Lotus nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3331 Plumas Indian Creek Bridge 0.1 mile northwest of junction with road to Antelope Lake dam. 1584 Comment
  CDA17249  Lotus oblongifolius G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16276 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  RSA104132  Lotus oblongifolius var. nevadensis T. C. Porter 1876-1 s.n. Plumas [No location data on label] 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
  UC726031  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15231 Plumas just n Quincy (near the river bridge over Spanish Creek) 1097 Comment
  RSA718161  Lotus unifoliolatus L. Ahart 2006-10-23 13 ,50l 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 5.5 miles (air) northeast of Strawberry Valley. 1282 Comment
  CHSC66694  Ludwigia palustris Vernon H. Oswald; Linnea Hanson 1996-7-30 8100 Plumas Butterfly Valley Botanic Area NW of Quincy on Forest Rd. 25N47 ca. 0.3 mi S of its junction with Forest Rt. 417. Near the dam at the pond. 1188 Comment
  CHSC21705  Lupinus F. T. Griggs; A. Pass 1975-7-1 2 Plumas East of Grizzly Creek. Comment
  UC82076  Lupinus Mrs. R. M. Austin July 1879 38 Plumas Comment
  CAS-BOT-BC201256  Lupinus W. Harnach; N. Harnach 1990-5-12 293 Plumas Sierra Valley. Wilson brothers ground, south of Marble lane, on Co. Rd. A-23 (the rock pile) 1514 Comment
  UC82075  Lupinus Mrs. R. M. Austin 1875-1 Plumas near Quincy; near Quincy Comment
  UCR123904  Lupinus adsurgens George K. Helmkamp, E. A. Helmkamp 2001-7-6 6858 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  SJSU14466  Lupinus albicaulis N. A. Hopkins 1990-7-1 1627 Plumas c. 2 mi W of Notson's Bridge Comment
  SEINET5766888 Image available Lupinus albicaulis subsp. wolfianus P. Kenney, Conrad; LeDoux 1973-1 421 Plumas Hwy 89; 5 mi W of jct with Hwy 70 1067 Comment
  CDA27354  Lupinus albicaulis var. shastensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3084 Plumas East of Lariat Motel, East Quincy. Comment
  CAS-BOT-BC198414  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1949-6-10 2 Plumas About 5 miles n.w. of Quincy on Hwy. 24 Comment
  CHSC52417  Lupinus angustiflorus L. P. Janeway 1990-7-12 3795 A Plumas Plumas National Forest. Along top of Eureka Ridge ca 0.5 mi south of the head of Bear Cr. 2103 Comment
  UCD105748  Lupinus angustiflorus Donald Myrick 1964-7-22 904 Plumas on Drakesbad-Mineral Road. 1524 Comment
  CHSC82500  Lupinus arbustus Lowell Ahart 2002-6-26 9784 Plumas On the west 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
  POM298445  Lupinus arbustus subsp. silvicola H. C. Cantelow 1941-5-18 s.n. Plumas 1 mile west of Moharok on road to Johnsonville. 1463 Comment
  SEINET10452028  Lupinus arbustus subsp. silvicola Mary Susan Taylor 1982-6-16 Taylor 4686 Plumas T23N R10E se/sw sec 8. Quincy quad. Both sides of 24N13, ca. 0.5 mi n of spur rd to Little Volcano, ca. 4 air mi se of Quincy. Alt. 5500 ft. 1676 Comment
  SEINET10484736  Lupinus arbustus subsp. silvicola Mary Susan Taylor 1982-8-18 Taylor 5016 Plumas T25n,r12e,sec.28 se 1/4 ne 1/4. Mount ingalls quad. Corolla pale blue. Mount Ingalls summit, ca 9 air miles ne of sloat. Montane coniferous forest; with Pinus monticola, arctostaphylos nevadensis 2551 Comment
  CAS-BOT-BC196346  Lupinus argenteus var. argenteus L. P. Janeway; Garrett Gibson 1991-6-13 4008 Plumas Between Middle Fork Feather River and Hwy 70, ca 0.3 mi east of Claireville Flat 1484 Comment
  CAS-BOT-BC208805  Lupinus argenteus var. heteranthus Alice Eastwood 1927-6-27 14867 Plumas On rood from Chilcott, United States Forest Reserve Comment
  CHSC41198  Lupinus argenteus var. meionanthus J. D. Jokerst 1984-7-10 2087 Plumas In rocky spur ridge that descends down into the canyon of Indian Creek just south of Rattlesnake Ravine, between creek and Indian Cr. Road at E end of Genesee Valley. 1234 Comment
  CHSC60182  Lupinus breweri L. P. Janeway; Garrett Gibson 1991-6-14 4009 Plumas Plumas National Forest. Between Middle Fork Feather River and Hwy 70, ca 0.3 mi east of Claireville Flat. 1484 Comment
  CHSC106216  Lupinus breweri var. breweri Arthur C. Barrett 1915-7-13 25 Plumas Plumas National Forest. Lone Rock Valley. 1676 Comment
  SEINET10906959  Lupinus caudatus Mary Susan Taylor 1982-6-28 Taylor 4754 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
  RSA252476  Lupinus confertus Robert F. Thorne, C. W. Tilforth, K. Thorne 1969-9-6 39226 Plumas Just S of Beckwourth and S of the Feather River on Co. Hwy. A24. 1357 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-BC215378  Lupinus dalesiae M. S. Taylor 1982-6-17 4689 Plumas S side of 23N44Y, 0.2-0.3 mile W of its junction with Bell Bar Creek Road (23N50Y) 1493 Comment
  CAS-BOT-BC215386  Lupinus dalesiae M. S. Taylor 1982-7-21 4887 Plumas Greenhorn Creek, ca. 1.5 miles NE of Quincy, American Valley 1066 Comment
  CAS-BOT-BC215405  Lupinus dalesiae Charles Piper Smith 1947-5-22 47336 Plumas Quincy Road, 2.2 miles E of Meadow Valley Comment
  CAS-BOT-BC215424  Lupinus dalesiae Charles Piper Smith 1947-5-22 47336 Plumas Meadow Valley, 2.2 miles E Quincy Road Comment
  CHSC36860  Lupinus dalesiae M. S. Taylor 1982-7-12 4809 Plumas Cobbly slope on s side of 23N09, near headwaters of Bear Creek, ca. 5 air mi w of Mohawk. 1889 Comment
  CHSC39591  Lupinus dalesiae Lowell Ahart 1983-7-14 4193 Plumas Growing on a bank along the South Fork of the Feather River, south of the Feather Fork Mine, about 1 1/2 miles north-east of Little Grass Valley Res., about 5 1/2 miles north of La Porte. 1750 Comment
  CHSC88821  Lupinus dalesiae F. Bowcutt 1985-6-5 Plumas Plumas National Forest. 1 mi. NW of Quincy, N side of Hwy. 70. 1066 Comment
  JEPS114511  Lupinus dalesiae Lowell Ahart 2008-6-5 14810 Plumas Steep west bank of the South Fork of the Feather River, about 1/8 mile southwest of the Feather Fork Mine, about 1 1/3 miles northeast of Little Grass Valley Reservoir 1645 Comment
  JEPS81469  Lupinus dalesiae M. S. Taylor 1982-6-1 4575 Plumas on n side of Hwy 70 ca 1 mi w Quincy (Indian Hill); Quincy Quad., Indian Hill 1097 Comment
  UC1502137  Lupinus dalesiae M. S. Taylor 1982-6-3 4605 Plumas s side of Poplar Creek Rd (23N08) ca 1 mi s Sloat (0.1 mi e of bridge); Johnsville Quad., s of Sloat 1280 Comment
  UC665283  Lupinus dalesiae Elmer I. Applegate 1934-5-3 8907 Plumas 6 mi nw Quincy; nw of Quincy Comment
  SEINET10452037  Lupinus dalesiae Mary Susan Taylor, T. Ratcliff 1982-5-12 Taylor 4432 Plumas T23N R11E ne/se sec 17. Blue Nose Mt quad. E facing slope on open cut rdbank, on phyllite; w side of Peoria Cr Rd(23N10), 2.1-2.2 mi w of its jct with Poplar Cr bridge s of Sloat. 4400 ft. 1341 Comment
  SEINET10452045  Lupinus dalesiae Mary Susan Taylor 1982-5-25 Taylor 4526 Plumas T23N R11E sw/sw sec 2. Mt Ingalls quad. In partial shade of Jeffrey Pine Forest, s side of 23N12, 0.8 mi e of its jct with 23N52, ca. 3/4 mi w of McDermott Ravine, ca. 1.5 mi ne of Sloat. 4500 ft. 1371 Comment
  SEINET10485190  Lupinus dalesiae Mary Susan Taylor 1982-5-27 Taylor 4541 Plumas T26n r9e e1/2sw1/4 sec 23. Greenville sw quad. On open phyllite dry rd Embankment, w side of dixie canyon rd (204), 1.2 mi n of its jct with hwy 89 at Moccasin. With lupinus onustus, rosa pinetorum. 1219 Comment
  SEINET10485197  Lupinus dalesiae Mary Susan Taylor 1982-7-17 Taylor 4694 Plumas T23n r11e sw1/4sw1/4 sec 18. Blue nose mt quad. Open bare roadcut, mixed Evergreen forest, s side of 23n44y, 0.8 mi. Se of its jct with peoria creek Rd (23n10), ca 3 air mi. Sw of sloat. With rosa pinetorum and apocynum Pumilum. 1707 Comment
  SEINET10485203  Lupinus dalesiae Melvin L. Conrad 1981-7-12 Conrad 9482 A Plumas In meadow valley, ca 7 mi w of quincy, on s side of hwy in pine forest. Comment
  SEINET10937075  Lupinus dalesiae Mary Susan Taylor 1982-6-16 Taylor 4678 Plumas T24n r10e nw1/4sw1/4 sec 33. Spring garden quad. Corolla yellow. Mixed Evergreen forest, on open bare phyllite roadcut, n side of 24n26, 0.5 mi. W of Its jct with quincy-laporte rd, ca 3 mi. Se of quincy. With lathyrus Nevadensis. 1646 Comment
  SEINET10970249  Lupinus dalesiae Mary Susan Taylor 1981-7-15 Taylor 3904 Plumas T24n r8e ne1/4se1/4 sec 1. Bucks lake ne quad. Jct of 24n27 and 24n27 (a loop Around smith lake), ca 2 mi. N of its jct with bucks lake rd, ca 3 mi. Ne of Meadow valley. Assoc.: Allium campanulatum, ceanothus integerrimus. 1158 Comment
  SEINET12163986  Lupinus dalesiae M. S. Taylor 1982-1 4814 Plumas T23N R10E ne/nw sec 13. Blue Nose Mtn quad. Alogn Eureka Ridge rd 23NO9, .9miNW of see comments 2073 Comment
  SD126364  Lupinus formosus var. bridgesii P. Kenney, Conrad and LeDoux 1973-6-5 421 Plumas Along roadside of Highway 89, 5.0 miles north of Junction of Highway 70 and 89. 1067 Comment
  JEPS106020  Lupinus grayi Lowell Ahart, John Dittes, Josephine Guardino 2004-5-24 10957 Plumas Along the margins of an old logging road, about 400 yards south of a good dirt forest road, about 1/8 mile north of the railroad, Greenhorn Creek, and Highway 70, about 3/4 mile west of Squirrel Creek, about 7 miles (air) southeast of Quincy 1251 Comment
  JEPS48704  Lupinus grayi Hilda W. Grinnell 1934-6-1 Plumas 2 mi above Engelmine; above Engelmine 1219 Comment
  CHSC36211  Lupinus latifolius var. columbianus M. S. Taylor 1982-7-12 4824 Plumas At jct of small creek to Jamison Creek, on n side of rd 507, just w of Plumas-Eureka State Park boundary, 2.0 mi sw of Johnsville. 1767 Comment
  SBBG13868  Lupinus latifolius var. columbianus H. and M. Dearing 1939-7-4 3817 Plumas Graeagle Comment
  CHSC48529  Lupinus lepidus var. confertus Vernon Oswald 1986-8-7 2271 Plumas Hwy 89 ca. 0.2 mi w of Lake Almanor spillway. 1371 Comment
  UC149940  Lupinus lepidus var. confertus Katharine Brandegee July 1911 Plumas Portola Comment
  CAS-BOT-BC202068  Lupinus lepidus var. lobbii L. P. Janeway 1993-7-15 4453 Plumas Plumast National Forest, Quincy Ranger District. Ridge between Fales Basin and Rattlesnake Gulch; overlooking East Branch North Fork Feather River 1569 Comment
  RSA755467  Lupinus lepidus var. sellulus L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16136 Plumas 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
  CDA27462  Lupinus lepidus var. sellulus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3093 Plumas 1.8 miles north of Lawrence Street, Quincy, on Highway 70/89. Comment
  HSC97071  Lupinus meionanthus John Dittes 2005-7-11 1211 Plumas 12.7 mi. NNE of Taylorsville, 5.3 mi. SW of Diamond Mtn., 4.6 mi. SE of Indicator Peak, N side of Smith Creek Comment
  CHSC56542  Lupinus obtusilobus L. P. Janeway 1984-7-15 921 Plumas Along dirt road on south side of Frenchman Hill; ca 3 mi west-southwest of Bucks Lake. 1737 Comment
  UC155201  Lupinus onustus Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  SEINET10484151  Lupinus polyphyllus subsp. superbus Mary Susan Taylor 1982-7-14 Taylor 4832 Plumas T26N R9E ne/sw sec 7. Almanor SE quad. Near jct of 27N92 & 26N18, in Long Valley around creek, ca. 4 mi w of Greenville. Montane Meadow, edge of Mixed Coniferous Forest; 5500 ft. 1676 Comment
  UC1129725  Lupinus polyphyllus var. burkei A. E. Wieslander 1929-6-18 102 Plumas between Constantia and Doyle; Sierraville Quad. Comment
  SEINET10484152  Lupinus sellulus var. artulus Mary Susan Taylor 1982-7-14 Taylor 4831 Plumas T26N R9E ne/sw sec 7. Almanor SE quad. Near jct of 27N92 & 26N18, in Long Valley around creek, ca. 4 mi w of Greenville. Montane Meadow, edge of Mixed Coniferous Forest; 5500 ft. 1676 Comment
  SEINET10490883  Lupinus sellulus var. sellulus Douglas G. LeDoux, David B. Dunn; Melvin L. Conrad 1973-6-5 LeDoux 1082 Plumas Collected at jct of hw. 70 And twain road. 1067 Comment
  CAS-BOT-BC436596  Luzula cascadensis Mary Strong Clemens 1938-7-4 s.n. Plumas Greenville Comment
  RSA75657  Luzula comosa L. S. Rose 1951-6-28 51031 Plumas McRae Meadows, 8 mi. sw. of Johnsville 1951 Comment
  SD46470  Luzula comosa Robert J. Weatherby 1955-6-26 1544 Plumas Scattered in moist ground on exposed sides of boulders. Mud Lake, Lakes Basin Area. 2103 Comment
  JEPS101279  Luzula divaricata Dean W. Taylor 1974-10-1 5047 Plumas Wade Lake, Jamison Creek drainage, ca. 3 miles South of Plumas-Eureka State Park 1950 Comment
  JEPS95338  Luzula parviflora Lowell Ahart 1994-6-17 7346 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  SEINET10474798  Machaeranthera shastensis var. glossophylla Mary Susan Taylor 1982-6-28 Taylor 4782 Plumas T23N R14E se/ne sec 27. Portola quad. Ramelli Ranch, at gate on Calpine Rd (109), ca. 1/4 mi s of Hwy 70, ca. 0.5 mi sw of Beckwourth. Plumas National Forest property. 4880 ft. 1487 Comment
  SD8621  Madia bolanderi Daniel Cleveland 1882-7-15 Plumas Big Meadows Comment
  UCD134184  Madia elegans Frederica Bowcutt 1985-6-6 534 Plumas About 15 air miles NE of Quincy 0.2 mile SE of Drum Bridge. Immediately north of Red Clover Creek and Beckwourth Genesee Road. Comment
  CDA15378  Madia elegans subsp. elegans G. F. Hrusa 1997-6-26 13893 Plumas Sierra Nevada; approx. 1/4 mi. N from USFS 23N22D terminus. Comment
  CHSC110300  Madia elegans subsp. elegans B. Castro; L. P. Janeway 2006-6-9 1578 Plumas Northern High Sierra Nevada. Northwest corner of lower Thompson Valley, 1.4 mi NNW of the mouth of McReynolds Creek at Red Clover Creek. 1697 Comment
  CDA8240  Madia exigua L. Ahart, J. Dittes, J Guardino 2004-6-6 11012 Plumas On the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. Comment
  UC89356  Madia exigua Mrs. R. M. Austin 1879-1 Plumas Butterfly Valley Comment
  CAS-BOT-BC342867  Madia glomerata John Thomas Howell 1961-9-23 36840 Plumas Indian Valley 1082 Comment
  CDA13418  Madia glomerata G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13266 Plumas Sierra Nevada; Adjacent to Bull Run Creek off USFS 23N12E. Comment
  CDA15408  Madia glomerata G. F. Hrusa 1996-8-22 13535 Plumas Sierra Valley; at intersection of Antelope Valley Rd. & Hwy 49. Comment
  CHSC100456  Madia glomerata Lowell Ahart 2008-9-10 15382 Plumas On the sides of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  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
  CHSC65375  Madia glomerata Lowell Ahart 1995-9-13 7623 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC92131  Madia glomerata Lowell Ahart; John Dittes 2005-9-20 12437 Plumas Along the dry stream, north of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2041 Comment
  JEPS114377  Madia glomerata Lowell Ahart 2008-8-13 15167 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
  UC89438  Madia glomerata D. Cleveland 1882-7-25 Plumas Prattville Comment
  CAS-BOT-BC342861  Madia glomerata Lowell Ahart 1986-9-10 5397 Plumas About 1 mile north-west of and near Pilot Peak, about 14 miles north-east of La Porte 1950 Comment
  UC711912  Madia glomerata Roxana S. Ferris and Laura Lorraine 1941-8-9 10430 Plumas near village; Lake Almanor Public Camp Comment
  CAS-BOT-BC343286  Madia gracilis John Thomas Howell; Gordon H. True 1967-7-11 43317 Plumas About 3 miles southeast of Mt. Hough 1706 Comment
  CAS-BOT-BC343257  Madia gracilis David D. Keck 1928-6-15 441 Plumas 1.5 miles west of Blairsden, along Blairsden-Quincy highway 1400 Comment
  SEINET6225029  Madia gracilis L. S. Rose 1967-1 67170 Plumas Plumas Co Comment
  CHSC21111  Maianthemum racemosum F. T. Griggs; A. Pass 1975-7-1 22 Plumas East of Grizzly Creek. Comment
  CAS-BOT-BC512089  Maianthemum racemosum subsp. amplexicaule Anna Head 1921-7-1 s.n. Plumas Indian Pk.; Feather River Region 2133 Comment
  CAS-BOT-BC512091  Maianthemum racemosum subsp. amplexicaule Mrs. S. G. Suttiffe 1917-8-1 s.n. Plumas Blairsden Comment
  CHSC100030  Maianthemum stellatum Lowell Ahart 2008-8-14 15202 Plumas 200 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CAS-BOT-BC347526  Malacothrix floccifera John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1977 Plumas Butterfly Botanical Area and Vicinity. In valley proper 1036 Comment
  CHSC34934  Malacothrix floccifera M. S. Taylor 1981-7-29 4141 Plumas E side of 25N42 (Flournoy Grade) 1.3 mi s of Flournoy Bridge, ca. 3 mi e of Genesee. 1341 Comment
  CHSC44883  Malacothrix floccifera Lowell Ahart 1975-7-2 840 Plumas Along the edge of a dirt road, about 7 air miles north of the Sly Creek Dam. 914 Comment
  CAS-BOT-BC140196  Malus John Thomas Howell 1959-9-21 34783 Plumas N. Fk. Feather River near Belden 701 Comment
  SD149160  Marrubium vulgare Greg Sommers 1976-7-8 160 Plumas Sierra Valley Marsh, along south side of Dyson Lane, 500 m west of metal bridge. 1524 Comment
  UCSC000629  Marrubium vulgare C. W. Hanks 1934-8-16 53 Plumas Sierraville, Upper Long Valley, Plumas National Forest 1676 Comment
  CHSC24260  Marsilea vestita K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  UCSB46166  Marsilea vestita Reisentz, Paul 1979-5-13 Plumas Near Chambers Creek, 6 mi S of Beldon on Hwy 70. Comment
  UC1586018  Marsilea vestita subsp. vestita Barbara Ertter 1988-10-21 8008 Plumas ca. 1.5 mi e of Chester ( Lake Almanor, e end of causeway, on Hwy. 36, n of road) 1341 Comment
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Aug 31 2012
  CAS-BOT-BC348172  Matricaria discoidea John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1979 Plumas Butterfly Botanical Area and Vicinity. In valley proper near barn 1036 Comment
  CHSC20811  Medicago lupulina K. R. Stern 1975-7-24 5848 Plumas W shore of Lake Almanor. 1371 Comment
  CHSC76800  Medicago lupulina L. P. Janeway 1997-9-29 5365 Plumas Along Soda Creek 0.1 mi north of Hwy 70 and East Branch North Fork Feather River. 944 Comment
  CAS-BOT-BC282089  Melica fugax John Thomas Howell; et al. 1967-6-12 1953 Plumas Butterfly Botanical Botanical Area and Vicinity. Fern Glen 1097 Comment
  CAS-BOT-BC282091  Melica fugax Gladys L. Smith 1976-6-7 4585 Plumas N end summit ridge, secondary road between Route 70 and La Porte 1950 Comment
  CHSC54333  Melica fugax Vernon H. Oswald; Lowell Ahart 1991-6-18 4691 Plumas Homer Lake, located ca. 5.5 miles (air) north of Greenville. On the northwest side of the lake. 1920 Comment
  RSA754960  Melica fugax L. Ahart, John Dittes, Josephine Guardino 2009-6-15 15905 Plumas Road under the pole line, about 200 yards west of the Lake Almanor Dam. 1422 Comment
  CAS-BOT-BC282097  Melica fugax Herbert Thomas 1936-5-25 38 Plumas Roadside at Meadow Valley Creek Ford, 0.5 mile NW of Camp Califorest, Meadow Valley 1158 Comment
  CAS-BOT-BC281136  Melica stricta Lowell Ahart 1979-7-18 s.n. Plumas Ca 1 mile W of Pilot Peak. Above the road on broken rock about 1/8 mile S of Onion Valley 1800 Comment
  CAS-BOT-BC264172  Melica subulata Gordon H. True; John Thomas Howell; Walter Knight; Irja Knight 1969-6-24 2629 Plumas Vicinity of Pond Reservoir, Butterfly Botanical Area and Vicinity 1082 Comment
  CHSC87861  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
  RSA201358  Melica subulata J. T. Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad 1677 Comment
  CHSC102148  Mentha arvensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16243 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  JEPS88530  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1996-7-15 8035 Plumas e. side of Last Chance Marsh at n. end of Lake Almanor (ca. 1.4 mi. s. of Last Chance Campground at streams & marshy meadow extending e. from rd. 29N11); High Cascade Range 1371 Comment
  RSA59923  Mentha canadensis E. K. Balls 1950-9-15 15839 Plumas North Fork Feather River, 6 miles northwest of Chester 1402 Comment
  CAS-BOT-BC223707  Mentzelia W. Harnach; N. Harnach 1989-6-29 205 Plumas Sierra Valley. Beckwith [Beckwourth] Pass on the north side of Hwy. 70 1539 Comment
  RSA718037  Mentzelia dispersa R. D. Fischer, Jenny Marr 2005-7-4 813 Plumas Butt Valley Reservoir. Sierra Nevada high, along the north side road of Butt Valley Reservoir, ner the Ponderosa Campground dumpster. YPF. 1341 Comment
  RSA0015435  Menyanthes Marcus E. Jones 1897-7-3 s.n. Plumas Prattville. 1372 Comment
  CHSC50554  Menyanthes trifoliata Vernon Oswald 1990-6-22 4316 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. 9 mi (air) northwest of Chester. Common emergent aquatic along the marshy margin of the lake and on floating sphagnum bogs. 1767 Comment
  CHSC97384  Menyanthes trifoliata Jenny Marr; Craig Carter 2006-5-29 235 Plumas Cascade Range High. Plants collected at the southern boundary of Lassen Park adjacent Willow Lake. 1676 Comment
  JEPS87377  Menyanthes trifoliata Vernon H. Oswald and Lowell Ahart 1993-8-3 5759 Plumas 9 air mi n of Lake Almanor (Hay Meadow at n end of 30N25 on s edge of the Caribou Wilderness); Caribou Wilderness, Hay Meadow 1950 Comment
  UCD107505  Mertensia ciliata var. stomatechoides Tim Kuhn 2006-6-18 51 Plumas adjacent to Crocker Guard Station. Comment
  CHSC21806  Micranthes F. T. Griggs; A. Pass 1975-7-8 104 Plumas Bucks Lake Forest Service Survey. Comment
  CAS-BOT-BC428538  Micranthes aprica D. E. Breedlove 1962-6-12 3433 Plumas Along State Highway 36, 6.9 miles west of Chester 1524 Comment
  CAS-BOT-BC429145  Micranthes odontoloma Lowell Ahart 1976-7-7 s.n. Plumas Above bridge across Cold Water Creek. 1524 Comment
  CHSC45983  Micranthes odontoloma Lowell Ahart 1976-7-7 1167 Plumas By a small stream, when at the bridge across Cold Water Creek go about 100 yards south and here is the small stream along the road, about 4 miles south of Grizzly Mountain. 1524 Comment
  CAS-BOT-BC349333  Microseris nutans John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-12 2148 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  RSA164328  Microseris nutans Clare B. Hardham 1961-6-16 7494 Plumas Engelmine - Diamond Peak Road, Sierra Nevada 1829 Comment
  RSA0117087  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
  HSC21162  Microsteris gracilis R. P. Maynard Jr 1963-5-4 45 Plumas 7 mi. S of Lake Almanor on Hwy. 89 Comment
  UC1552824  Mimulus aurantiacus var. grandiflorus Frederica Bowcutt 1985-5-15 517 Plumas Rock Creek Dam along Hwy 70 Plumas National Forest, North Fork of the Feather River Comment
  UC1012160  Mimulus aurantiacus var. grandiflorus F. W. Pennell and A. A. Heller 1940-6-5 25687 Plumas below Belden (Route 24); Feather River 487 Comment
  JEPS28644  Mimulus breweri George W. Gillett 1957-7-19 841 Plumas on trail to Sifford Lakes (slopes across from the Devils Kitchen); Lassen Volcanic National Park 1981 Comment
  SEINET10570219  Mimulus densus Mary Susan Taylor 1981-7-27 Taylor 4140 Plumas T25N R11E NW 1/4 sec 12. Genesse Valley quad. On granite embankment E side of 25N42 Flournoy Grade, 1.3 mi S of Flour- noy Bridge, ca. 3 mi E of Genesse. 4400 ft. 1341 Comment
  JEPS10495  Mimulus guttatus W. L. Jepson 1924-7-22 10613 Plumas Rich Point Middle Fork Feather River 1097 Comment
  UC933920  Mimulus guttatus E. K. Balls 1950-8-31 15556 Plumas just n Quincy (off Hwy. 24); Spnish Creek 1066 Comment
  JEPS11553  Mimulus microphyllus W. L. Jepson 1910-6-16 4142 Plumas Quincy 1066 Comment
  UC726509  Mimulus microphyllus A. A. Heller 1942-6-16 16509 Plumas 1/4 mi w Grizzley Dome Tunnel Comment
  JEPS28652  Mimulus moniliformis George W. Gillett 1957-7-19 844 Plumas slopes across from Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 1981 Comment
  UC384661  Mimulus moniliformis E. D. Merrill 1929-7-13 Plumas Silver Lake 1828 Comment
  CDA12054  Mimulus moschatus G. F. Hrusa, J. Dinsdale 1989-6-26 7206 Plumas Sierra Nevada; Margin of N side of Bucks Lake, approx. 25 m. W of Quincy. Comment
  CHSC113630  Mimulus moschatus Lowell Ahart 2014-8-31 19823 Plumas Gravel bars and mud flats along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  JEPS122296  Mimulus moschatus Lowell Ahart 2014-8-31 19823 Plumas Along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  RSA59245  Mimulus moschatus E. K. Balls 1950-8-31 15534 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  RSA80073  Mimulus moschatus F. W. Peirson 1932-7-19 10347 Plumas Along Feather River near Chester. 1463 Comment
  RSA165579  Mimulus nanus var. mephiticus Clare B. Hardham 1961-6-15 7426 Plumas Engelmine. 1829 Comment
  JEPS98998  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
  JEPS32702  Mimulus primuloides Lewis S. Rose 1963-6-3 63118 Plumas 2 mi sw Keddie; Butterfly Valley 1188 Comment
  JEPS30974  Mimulus pulsiferae D. E. Breedlove 1962-6-12 3430 Plumas 6.9 mi w Chester (along State Highway 36); Sierra Nevada 1524 Comment
  JEPS106333  Mimulus pygmaeus Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11050 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
  CAS-BOT-BC388598  Minuartia douglasii Mary Strong Clemens 1920-5-25 s.n. Plumas Taylorsville Comment
  OBI13633  Monardella breweri subsp. lanceolata Lewis S. Rose 1967-7-19 67175 Plumas Twain, North Fork, Feather River 853 Comment
  JEPS109972  Monardella follettii Dean W. Taylor 2005-8-1 19450 Plumas Yellow Creek, Forest Road 26N26 ca. 3 road miles south of Humbug Valley 1310 Comment
  SJSU15285  Monardella follettii S. Woolhouse 2010-7-20 6 Plumas Forest service road 26N26 north of Highway 70 and west of Caribou Road. Comment
  SEINET10582326  Monardella follettii A. Graff 1993-7-22 Graff 310 Plumas Plumas National Forest. Meadow Valley Rd. south, .1 mile from Union Pacific RR crossing, on left road cut. T25N,R8E,S30. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Bombus sp., butterflies. Comment
  CAS-BOT-BC221785  Monardella odoratissima L. P. Janeway 1989-8-2 3549 Plumas Beckwourth Ranger District, Plumas National Forest. On top of Eureka Ridge at head of Chris Cr. 2080 Comment
  CHSC52042  Monardella odoratissima L. P. Janeway 1989-7-12 3484 Plumas Plumas National Forest. Along Jackson Creek; rd 23N11 2.3 mi from hwy 70/89, then 2.2 mi on rd 23N48 into Jackson Cr. 1783 Comment
  CAS-BOT-BC221975  Monardella odoratissima subsp. glauca Lowell Ahart 1979-7-18 s.n. Plumas Ca. 2 mi. NW of Pilot Pk. 1800 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
  UC2035859  Monardella odoratissima subsp. glauca H. L. Mason 1924-6-16 1043 Plumas South banks of Feather River, near Graeagle. Comment
  CAS-BOT-BC222109  Monardella odoratissima subsp. pallida John Thomas Howell; Gordon H. True 1973-7-31 50114 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  CAS-BOT-BC222112  Monardella odoratissima subsp. pallida L. P. Janeway 1990-8-29 3837 Plumas Plumas National Forest, Beckwourth Ranger District. Southern flank of Mt Ingalls ca 1/4 mi from the top 2407 Comment
  CAS-BOT-BC222151  Monardella odoratissima subsp. pallida E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake Comment
  CHSC61744  Monardella odoratissima subsp. pallida L. P. Janeway 1993-7-28 4477 Plumas Plumas National Forest. Along steep north-trending ridge south of a bend in Ward Creek. Along, and down-ridge from, access road 2.2 mi southeast of Genesee Valley. 1341 Comment
  JEPS118428  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
  UC485787  Monardella odoratissima subsp. pallida H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  SEINET10895201  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 291 Plumas Plumas National Forest. On Hwy. 70 west, less than .5 miles southeast of Greenhorn Ranch Rd. (just past Graff collections 285-290), at the end of a bridge before a rest area, on south side of the road. T24N,R10E,S26. Comment
  CHSC52054  Monardella sheltonii L. P. Janeway 1989-7-6 3459 Plumas Plumas National Forest. S-facing volcanics outcropping 'barren' area above Jackson Cr and Middle Fk Feather River; 2.3 mi from hwy 89/70 on rd 23N11, then 1.1 mi on 23N48. 1645 Comment
  CAS-BOT-BC220482  Monardella sheltonii Louella Bass 1980-8-20 s.n. Plumas Seneca Comment
  SEINET10582353  Monardella sheltonii A. Graff 1993-7-21 Graff 281 Plumas Plumas National Forest. Hwy. 70, .3 miles northwest of its junction with USNFS Rd. 23N06 (just past Mohawk), on the northeast side of the road. T22N,R12E,S5. Growing in sandy clay with Pinus jeffreyi and scrub. Mid-bloom. Bombus sp. Comment
  CHSC67990  Monardella stebbinsii James D. Jokerst 1989-7-3 3120 Plumas Caribou Rd. 3.8 mi N of Hwy. 70, W of road. Comment
  HSC73119  Monardella stebbinsii M. S. Taylor 1981-7-18 4056 Plumas N side of caribou Rd., 3 mi. NE of its jct. with Hwy. 70 854 Comment
  SEINET12334042  Monardella villosa subsp. sheltonii L. P. Janeway 1989-1 3459 Plumas Johnsville quad T23N R12E NW? of sec20, Above Jackson Cr. and Middle Fk Feather River, 2.3 mi from * 1646 Comment
  CAS-BOT-BC444739  Montia chamissoi H. E. Brown 1897-8-1 5632 Plumas Near Lassen Buttes 1828 Comment
  CHSC36208  Montia fontana subsp. chondrosperma M. S. Taylor 1982-7-7 4785 Plumas In moss along small creek, s slope of Big Hill, ca. 3 air mi s of Sloat. 1615 Comment
  CAS-BOT-BC445083  Montia linearis Alice Eastwood 1927-6-1 14666 Plumas United States Forest Reserve. On road from Long Valley Comment
  POM220765  Montia linearis M. Canby 1929-5-12 141 Plumas 2 miles W of Portola. Comment
  RSA189424  Montia linearis L. S. Rose 1967-6-11 67104 Plumas Quincy. 1037 Comment
  JEPS50775  Montia parvifolia Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9286 a Plumas just n of Storrie (along Feather River Highway); Feather River Highway 716 Comment
  CAS-BOT-BC445190  Montia parvifolia John Thomas Howell 1962-6-16 37633 Plumas Lewisia Rock, Feather River North Fork. 640 Comment
  SEINET10860129  Muhlenbergia andina Vernon H. Oswald, Lowell Ahart 1991-7-30 Oswald 4797 Plumas Big Springs on the west side of Humbubug Valley, ca. 6 miles (air) east-northeast of HUmbug Summit, ca. 12 miles (air) south of Chester. T26N R6E sw/S1. Yellow Pine Forest. 1311 Comment
  CHSC113872  Muhlenbergia filiformis Lowell Ahart 2014-8-31 19807 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4-1/2 miles (air) northwest of La Porte. 1810 Comment
  CHSC24252  Muhlenbergia filiformis K. R. Stern 1975-7-23 Plumas West side of Lake Almanor. Comment
  UC1024666  Muhlenbergia filiformis Leo Whitney 1934-8-23 2183 Plumas ca 15 mi n Beckwith; Plumas National Forest, Willow Creek 1950 Comment
  RSA59900  Muhlenbergia minutissima E. K. Balls 1950-9-14 15815 Plumas 6 miles northwest of Chester, North Fork Feather River. 1402 Comment
  CHSC81352  Myosotis discolor L. P. Janeway 1996-5-20 4975 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwest of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  JEPS48087  Myosotis discolor Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-6-1 2701 Plumas vicinity of Butterfly Valley (1/4 mi. s. of junction of U.S. Forest Service rds. 25N15 & 25N12) 1082 Comment
  UCSB16058  Myosotis laxa Breedlove, Dennis 1962-6-13 Plumas Along State Highway 89; 2 miles south of Graeagle; Sierra Nevada 1402 Comment
  UC480853  Myosurus apetalus Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CAS-BOT-BC392265  Myosurus apetalus Herbert L. Mason 1952-7-17 14381 Plumas Sierra Nevada. Along Western Pacific tracks just south of Beckwourth. Sierra Valley 1524 Comment
  CAS-BOT-BC392271  Myosurus apetalus W. Harnach; N. Harnach 1989-4-16 032 Plumas Sierra Valley. 3/4 mile west of Steel Bridge on Marble Lane 1487 Comment
  CHSC70036  Myosurus apetalus var. borealis L. P. Janeway 1997-5-14 5123 Plumas Crocker Meadow; west side of Beckwourth-Genesee Road about 0.3 mi south of Crocker Guard Station and Campground. 1749 Comment
  SEINET13711172  Myriophyllum sibiricum Lowell William Ahart, Lowell William Ahart 2001-1 9278 Plumas Freeman Creek (T24N, R13E, S 30, NE 1/4) Comment
  SD9586  Myriopteris gracillima Mrs. R. M. Austin 1877-1 Plumas Comment
  JEPS85838  Najas guadalupensis Barbara Ertter 1988-10-21 7997 Plumas e end causeway 1.5 mi e of Chester (on Hwy 36, Lake Almanor, lake s. side of rd.); Lake Almanor 1341 Comment
  UC1585913  Najas guadalupensis Barbara Ertter 1988-10-21 7997 Plumas e end causeway 1.5 mi e of Chester (on Hwy 36, Lake Almanor, lake s. side of rd.); Lake Almanor 1341 Comment
  UC1069119  Nama lobbii F. W. Embree 1934-6-6 66 Plumas 1 1/2 mi nw Bucks Mountain; Bidwell Bar Quad., Plumas National Forest, nw Bucks Mt. 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
  CAS-BOT-BC515767  Narthecium californicum Anna Head 1921-7-24 s.n. Plumas Feather River Region; Meadow on trail to Long Lake Comment
  SD46489  Narthecium californicum Robert J. Weatherby 1950-7-21 1476 Plumas Butterfly Valley, near Quincy. On sunny wet soil in boggy meadow. 1219 Comment
  HSC22873  Nasturtium officinale John Pratt 1970-6-19 25 Plumas Intersection of Rock Creek and Hwy. 36 Comment
  HSC103853  Navarretia breweri G. D. Barbe, T. C. Fuller 1982-6-17 3821 Plumas South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam 1707 Comment
  CHSC117553  Navarretia capillaris Lowell Ahart 2016-7-9 21099 Plumas 10 yards north of the dirt road, about 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest Tamarack Flat, about 3 1/2 miles (air) northwest of Little Valley Resevoir Dam. 1759 Comment
  CHSC82560  Navarretia capillaris Lowell Ahart 2002-7-18 9867 Plumas In a meadow, on the south 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
  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
  CHSC97603  Navarretia capillaris Lowell Ahart; John Dittes 2007-6-16 14137 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
  UCD106106  Navarretia capillaris John Thomas Howell 1960-7-18 35600 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  RSA201287A  Navarretia capillaris J. T. Howell 1960-7-21 35829 Plumas Plumas County: Meadowy forest floor NW of Willow Lake. 1707 Comment
  JEPS28633  Navarretia divaricata George W. Gillett 1957-7-18 824 Plumas n end Willow Lake Meadow (near the main inlet); Lassen Volcanic National Park, Willow Lake Meadow 1661 Comment
  CHSC94189  Navarretia divaricata subsp. divaricata Lowell Ahart 2006-7-3 12905 Plumas On Lumpkin Ridge, about 4 miles (air) northeast of Camp 18, near the west edge of a dry open basalt flat. 1527 Comment
  RSA107450  Navarretia intertexta L. S. Rose 1955-7-20 55154 Plumas Mohawk. 1372 Comment
  CHSC81138  Navarretia intertexta subsp. intertexta Lowell Ahart 2001-8-28 9209 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC45435  Navarretia intertexta subsp. propinqua Lowell Ahart 1981-7-24 2995 Plumas On the floor of a hydraulic mine, about 1 mile south of La Porte. 1463 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
  RSA8015  Navarretia intertexta subsp. propinqua H. A. Barker 1927-7-16 820 Plumas Blairsden 1372 Comment
  UCD48465  Navarretia intertexta subsp. propinqua John M. Tucker 1948-7-24 1717 Plumas Near road from Cascade to Camel Peak, Plumas County, California. 1615 Comment
  CHSC21192  Navarretia leptalea F. T. Griggs; A. Pass 1975-7-10 150 Plumas Buck's Lake. Comment
  POM75730  Navarretia leptalea Marcus E. Jones 1897-7-5 10178 Plumas Prattville. 1372 Comment
  UC726817  Navarretia leptalea subsp. leptalea A. A. Heller 1941-7-29 16269 Plumas Highway #36, 7 mi w Chester; w of Chester Comment
  UC908969  Navarretia leptalea subsp. leptalea Milo S. Baker 1935-6-26 8092 Plumas on Highway 39 near cabin (Childs Meadows); , near cabin Comment
  CAS-BOT-BC230395  Navarretia leucocephala subsp. minima John Thomas Howell 1977-8-11 52703 Plumas At N end of Frenchmans Reservoir 1706 Comment
  RSA562591  Navarretia sinistra Alva Day, Orbelia Robinson 1982-7-15 82 -85 Plumas Plumas National Forest, Lake Davis, 0.2 mi. west of Coot Bay on north side of lake. Comment
  CHSC115160  Nemacladus capillaris Lowell Ahart 2015-6-7 20126 B Plumas Bottom of small basalt ravine, about 80 yards west of dirt road, Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Mixed Evergreen Forest. 1411 Comment
  CHSC87818  Nemacladus capillaris Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11013 Plumas Road edge, on the north side of the logging road, about 3 3/4 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1357 Comment
  JEPS13023  Nemacladus interior Rimo Bacigalupi with G. T. Robbins 1955-7-22 5440 Plumas just above Rock Creek junction with the North Fork Feather River (slopes above Rock Creek) 472 Comment
  OBI13919  Nemophila heterophylla Lewis S. Rose 1967-5-6 67057 Plumas North Fork, Feather River. Injun Jim camp 610 Comment
  RSA101448  Nemophila parviflora var. austiniae R. Weatherby 1955-7-2 1590 Plumas Wilcox Valley. 1768 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
  JEPS1873  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
  SD6157  Nuphar polysepala R. M. Austin 1880-1 Plumas Big Meadows Comment
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Jul 11 2010
  CDA38150  Oenothera deltoides subsp. piperi T. C. Fuller 1968-7-1 17323 Plumas Sierra Nevada; Hwy 70 to Beckwourth, 1 mile east of Vinton, Sierra Valley. Comment
  CDA38181  Oenothera elata subsp. hirsutissima T. C. Fuller 1963-7-17 10925 Plumas South side of Highway 40 Alt. to Portola, ca. 6 miles east of Quincy. 0 Comment
  CAS-BOT-BC355573  Oreostemma alpigenum var. andersonii Anna Head 1920-8-9 s.n. Plumas Lake Center Camp, Feather River Region 1920 Comment
  CHSC66744  Oreostemma alpigenum var. andersonii Vernon H. Oswald; Lowell Ahart 1996-8-14 8172 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 Camp-ground. 1676 Comment
  SD9061  Oreostemma alpigenum var. andersonii R. M. Austin 1879-1 Plumas Mt. Dyar, Big Meadows Comment
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Aug 6 2009
  UCD147847  Oreostemma elatum Daniel Slakey 2012-6-9 31 Plumas East side of Snake Lake. 1128 Comment
  SEINET6030851  Orobanche fasciculata W. Harnach, N. Harnach 1990-6-16 390 Plumas Sierra Valley, N o Vibnton, Frank Dotta Ranch 1524 Comment
  JEPS25808  Orogenia fusiformis John W. Duffield 1937-5-27 Plumas Grubstake Flats Meadow Valley; , Grubstake Flats Comment
  CHSC73416  Orthilia secunda B. Castro; H. Durio 1995-10-26 628 Plumas Ca 4 air mi SW of Bucks Lake in Granite Basin, and ca 0.1 mi E of a 4WD trail which heads N from USGS Rd 23N18.Along perennial tributary to the Little North Fork Middle Fork Feather River. 1539 Comment
  UC584313  Orthocarpus cuspidatus subsp. cryptanthus G. L. Stebbins Jr. and J. A. Jenkins 1937-7-9 2242 Plumas sw slopes and ridge crest Red Rock (n of Engelmine); sw slopes and ridge crest Red Rock 2133 Comment
  POM44306  Orthocarpus erianthus Mary E. P. Ames 1891-05 s.n. Plumas Auburn. Taylorsville, Indian Valley. Comment
  SEINET10549681  Orthocarpus hispidus Mary Susan Taylor 1982-7-14 Taylor 4829 Plumas T26N R9E ne/sw sec 7. Almanor SE quad. Near jct of 27N92 & 26N18, in Long Valley around creek, ca. 4 mi w of Greenville. Montane Meadow, edge of Mixed Coniferous Forest; 5500 ft. 1676 Comment
  SEINET10549682  Orthocarpus hispidus Mary Susan Taylor 1982-6-28 Taylor 4770 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
  SEINET13754854  Orthocarpus luteus A. A. Heller, P. B. Kennedy 1907-7-19 8884 Plumas Vinton Comment
  SD7583  Osmorhiza berteroi Daniel Cleveland 1882-7-25 Plumas Comment
  RSA71064  Osmorhiza occidentalis L. S. Rose 1951-6-28 51063 Plumas Johnsville. 1601 Comment
  UC337329  Osmorhiza occidentalis unknown 1889-6-26 Plumas Mohawk Valley Comment
  CAS-BOT-BC317114  Packera pauciflora Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk., on the hill south of Onion valley Res. 2000 Comment
  CAS-BOT-BC121005  Paeonia brownii Mary Strong Clemens 1920-4-20 s.n. Plumas Greenville Comment
  CHSC53205  Paeonia brownii L. P. Janeway 1989-6-15 3322 Plumas Beckwourth Ranger District Plumas National Forest. Forest along SW side of Red Clover Valley. Openings in sagebrush scrub. 1676 Comment
  UC1778609  Paeonia brownii G. Douglas Barbe, T. C. Fuller 1982-7-16 3780 Plumas Lava cap ridge 1.5 miles W of Wheeler Peak and 1 mile S of Beardsley Mine on forest road 3.8 mile S of Green Flat, Plumas National Forest. 1981 Comment
  UCD102582  Paeonia brownii Michael A. Vincent 1999-6-7 8518 Plumas Plumas National Forest, Milford Ranger District. West of Frenchman Lake along FS Rt. 11. Comment
  SBBG115626  Panicum acuminatum B. Crampton 1964-8-25 7157 c Plumas Devils Kitchen, Hot Springs Crk cyn, ca. 1.5 mi W of Drakesbad 1859 Comment
  CHSC82444  Panicum acuminatum var. acuminatum Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9817 Plumas On the bottom of the water holding pond, about 150 yards north of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1597 Comment
  CHSC95019  Panicum acuminatum var. acuminatum Lowell Ahart 2006-10-23 13499 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  UCD32831  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 b Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  CAS-BOT-BC253744  Panicum capillare John Thomas Howell 1959-9-21 34747 Plumas N Fork Feather River near Belden 701 Comment
  SD71009  Panicum capillare var. occidentale John Thomas Howell 1960-7-20 35728 Plumas Lassen Volcanic Park, Drakesbad, cool wet shaded place 1676 Comment
  CHSC63472  Pectiantia breweri Lowell Ahart 1994-7-28 7544 Plumas On the east sides of a small stream. North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  SEINET13754228  Pedicularis attollens A. A. Heller, P. B. Kennedy 1907-7-4 8714 Plumas Red Clover Valley Comment
  POM183422  Pedicularis aurantiaca L. S. Rose 1931-4-14 s.n. Plumas Woodleaf Comment
  RSA126012  Pedicularis aurantiaca E. K. Balls 1957-5-23 22519 Plumas Sw. shore Lake Almanor, 2 mi S of jct of State Hwys 89 and 36. 1402 Comment
  RSA845222  Pedicularis densiflora Bonnie C. Templeton 1968-1 11293 Plumas [No location data on label. Possibly Trinity County.] Comment
  CHSC66774  Pedicularis racemosa Vernon H. Oswald; Lowell Ahart 1996-8-14 8167 Plumas Northern High Sierra Nevada. Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. 1645 Comment
  JEPS3405  Pedicularis racemosa W. L. Jepson 1939-8-16 19449 Plumas Buck's Valley 1584 Comment
  JEPS3362  Pedicularis racemosa J. Ewan 1934-7-20 26 Plumas near Edmanton Comment
  CHSC65128  Pedicularis semibarbata Vernon H. Oswald 1995-7-24 7105 Plumas Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw to Beauty Lake. 1950 Comment
  UC366572  Pellaea unknown Jul. 1883 Plumas Indian Valley Comment
  CAS-BOT-BC69351  Pellaea brachyptera Mary Strong Clemens 1920-5-5 s.n. Plumas Greenville 1097 Comment
  UC1861769  Pellaea brachyptera Ruth Kirkpatrick 2005-7-19 1359 Plumas West of Johnsville Museum. Along dirt/rocky road 1630 Comment
  JEPS35117  Pellaea brachyptera Geo. E. Davenport and Mrs. R. M. Austin 1877-1 Plumas Comment
  CAS-BOT-BC69362  Pellaea breweri Wayne D. Dakan 1973-8-6 s.n. Plumas Thompson Peak near the look-out Comment
  UC886966  Penstemon deustus var. deustus Anna Head 1920-6-15 Plumas among rocks at Lake Center Camp , at Lake Center Camp (Feather River Region) 1920 Comment
  JEPS113384  Penstemon deustus var. pedicellatus Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13983 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  NY609825  Penstemon deustus var. suffrutescens F. S. Crosswhite 1960-6-8 930 Plumas Plumas National Forest, 1 mile south of Indian Falls 1158.2 Comment
  NY609838  Penstemon deustus var. suffrutescens J. L. Reveal 1971-6-23 2470 Plumas Along California highways 70 and 89, 2.2 miles north of Kedde and about 1 mile north of the bridge over Spanish Creek Comment
  JEPS11270  Penstemon gracilentus R. H. Platt 1891-1 Plumas near Prattville (The Sierras); , near Prattville Comment
  SEINET10547983  Penstemon gracilentus F. Marion Ownbey, Ruth P. Ownbey 1938-7-14 Ownbey 1739 Plumas Dry slope, below humboldt summit, sierra nevada. Comment
  UC1302290  Penstemon gracilentus Richard M. Straw 1962-6-28 2197 Plumas on Beckwourth road 5-6 mi s Milford; s of Milford 1900 Comment
  CHSC88994  Penstemon heterodoxus L. Hanson 1981-7-5 146 Plumas Plumas National Forest. Rabbit Creek. 1524 Comment
  UC2027984  Penstemon heterodoxus var. shastensis Barbara Ertter with Gary Schoolcraft 1989-7-3 8672 Plumas Diamond Mt Peak ca. 7 air miles S of Susanville. Comment
  NY604511  Penstemon laetus var. leptosepalus A. A. Heller 1915-7-7 12073 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks 1676.4 Comment
  POM194860  Penstemon laetus var. leptosepalus D. D. Keck 1928-6-16 449 Plumas 4 miles N of Butte Co line on Oroville - Quincy Road. 1677 Comment
  CDA12144  Penstemon neotericus G. F. Hrusa, J. Dinsdale 1989-6-25 7192 Plumas Sierra Nevada; Bucks lake north shore. Comment
  NY627281  Penstemon neotericus F. M. Ownbey 1938-7-14 1742 Plumas 1 mile southeast of Prattville Comment
  SEINET10814527 Image available Penstemon neotericus David D. Keck 1930-7-24 Keck 958 Plumas Halfway between Chester and Westwood. Common under Pinus ponderosa and Abies concolor with Arctostaphylos, Ceanothus, etc. 1463 Comment
  UC501398  Penstemon neotericus David D. Keck 1932-7-6 1713 Plumas on road to Prattville 8 mi n Greenville; Sierra Nevada, n of Greenville 1463 Comment
  CHSC1874  Penstemon newberryi 1948-5-9 Plumas Feather River Canyon. Comment
  HSC21039  Penstemon newberryi R. Spellenberg 1964-6-18 473 Plumas 2 mi. W of Lassen National Park boundary on Hwy. 44 Comment
  NY627394  Penstemon newberryi var. newberryi R. M. Austin 1876-1-1 285 Plumas Comment
  UC306804  Penstemon newberryi var. newberryi unknown 1918-7-24 Plumas Peak above Mud Lake; Sierra Nevada, above Mud Lake Comment
  NY630462  Penstemon personatus D. M. Thompson 1988-7-23 973 Plumas 3.1 road miles north of Bucks Lake Road (and Meadow Valley) on Schneider Creek Road. At junction of Schneider Creek Road (USFS Road 23N16) and USFS Road 24N47X (to Big Creek); Bucks Lake NE Quad. 1585.0 Comment
  UC566013  Penstemon roezlii A. Lewis 1934-7-25 521 Plumas La Porte Plumas National Forest, Downieville Quadrangle 1524 Comment
  CAS-BOT-BC239600  Penstemon rydbergii var. oreocharis John Thomas Howell 1951-6-28 27642 Plumas Johnsville 1584 Comment
  CAS-BOT-BC239604  Penstemon rydbergii var. oreocharis Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC60494  Penstemon rydbergii var. oreocharis L. P. Janeway 1992-5-12 4171 Plumas Plumas National Forest. North side of Lake Davis, between the lake and Rd 112, ca 6 1/2 mi northwest of the road to the dam. 1761 Comment
  NY651260  Penstemon rydbergii var. oreocharis J. T. Howell 1981-6-23 54177 Plumas Long Valley at road to Maxwell Mine 1633.7 Comment
  NY651266  Penstemon rydbergii var. oreocharis F. W. Pennell 1940-6-12 25817 Plumas Along Feather River, west of Beckwourth 1493.5 Comment
  POM181074  Penstemon rydbergii var. oreocharis A. A. Heller, P. B. Kennedy 1907-7-5 8735 Plumas Red Clover valley Comment
  SBBG21882  Penstemon rydbergii var. oreocharis D. Myrick 1964-7-19 873 Plumas Drakesbad 1737 Comment
  CHSC35275  Penstemon speciosus M. S. Taylor 1981-5-10 3668 Plumas N side of Genesee Valley Rd, ca. 2 mi e of tis jct with Beckwourth Pass turnoff and Flournoy Bridge, ca. 5 air mi e of Genesee. 1280 Comment
  UC1561222  Penstemon speciosus Barbara Ertter with Gary Schoolcraft 1989-7-3 8644 Plumas ca. 8 air mi s Susanville (s side of Red Rock lookout); s side of Red Rock lookout 2255 Comment
  RSA21571  Penstemon speciosus Carl B. Wolf 1937-9-5 9280 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co line. 1463 Comment
  CHSC35933  Perideridia bolanderi M. S. Taylor 1982-6-10 4626 Plumas Along 23N72, 0.5 mi w of Table Rock, ca. 2.5 mi ne of Beckwourth. 1676 Comment
  UCR115326  Perideridia bolanderi G. D. Barbe, T. C. Fuller 1982-7-16 3770 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
  UCD127830  Perideridia bolanderi M. S. Taylor 1982-6-21 4706 Plumas Eureka Ridge Road (23N09), ca. 1/4 miles west of spring, White Cap, ca. 3 air miles southwest of Sloat. Comment
  CHSC60594  Perideridia bolanderi subsp. bolanderi L. P. Janeway 1989-6-23 3392 Plumas Plumas Nationa Forest. Beckwourth Ranger District. Upper slope overlooking Crocker Creek from the east. 1767 Comment
  UC1123113  Perideridia bolanderi subsp. bolanderi E. Sawyer 1935-6-7 85 Plumas 6 1/2 mi ssw Sugarloaf; Sierraville Quadrangle Comment
  UCR123522  Perideridia gairdneri subsp. borealis George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6868 Plumas Sierra Nevada Mountains, Calif. Hwy 89, 2.3 miles SSE of its junction with Calif. Hwy 36, Lake Almanor Region 1357 Comment
  CHSC108706  Perideridia lemmonii B. Castro; L. P. Janeway 2001-7-22 1350 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. Alongside road (the western extension of USFS Rd 23N69). 1798 Comment
  JEPS115555  Perideridia lemmonii Lowell Ahart, John Dittes 2009-7-28 16203 Plumas On damp soil, on the northwest side of a logging road, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  SEINET10454552  Perideridia lemmonii Mary Susan Taylor 1982-7-8 Taylor 4796 Plumas T23N R14E nw/se sec 27. Portola quad. S side of Feather River, ca. 1 mi sw of Beckwourth, on Ramelli Ranch, ca. 1/4 mi e of Calpine Rd (109). 4880 ft. 1487 Comment
  CAS-BOT-BC222767  Perideridia parishii Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1644 Plumas Butterfly Botanical Area and Vicinity. In area at north end of Pond Reservoir 1097 Comment
  RSA0045594  Perideridia parishii subsp. latifolia L. P. Janeway 2012-8-28 11054 Plumas Northern High Sierra Nevada. Meadow at north end of Rock Island Ridge 1.1 km southeast of Soapstone Hill; west side of intersection of Road 23N18 and its D spur. 1593 Comment
  CAS-BOT-BC413562  Persicaria amphibia John Thomas Howell 1976-7-15 s.n. Plumas Snake Lake, about 4 miles north-west of Quincy 1219 Comment
  CAS-BOT-BC330387  Petasites frigidus var. palmatus W. I. Follett; Evelyn B. Follett 1963-5-18 s.n. Plumas Thompson Creek. Bside La Parte Road, 2.9 miles S and E of its junction with Hwy 89 1139 Comment
  CHSC118706  Phacelia heterophylla var. virgata Wendy L. Boes; Jim Battagin 2015-5-12 2015001 F Plumas Plumas National Forest. Location between Forest Service Road 25N18Y and Caribou Road, south of Northfork Campground. UTM 652180 E, 4433328 N, NAD83 Zone 10N. 792 Comment
  JEPS120555  Phacelia humilis B. Castro and L. P. Janeway 2006-6-4 1537 Plumas Northern High Sierra Nevada. South side of Squaw Valley, ca 3000 ft N of jcn of McReyolds Valley Road (FS Rd 25N05) and Squaw Valley Road (FS Rd 28N01). Comment
  UC131530  Phacelia humilis Mrs. R. M. Austin Plumas Big Meadows Comment
  CHSC60904  Phacelia hydrophylloides Vernon H. Oswald 1993-7-1 5628 Plumas Lassen Volcanic National Park. Ridge on the S side of Bonte Pk., ca. 0.2 mi S of the summit. 2255 Comment
  OBI76964  Phacelia hydrophylloides Anthony Baniaga 2011-8-2 481 Plumas Lassen Natl Forest. Along F.S 10, 30 ft E of rd, ca 1/8 mi SW of Echo Lake. red cinder Quad T30N R7E sec 26 sE of SW 1950 Comment
  JEPS3245  Phacelia mutabilis Mrs. Emanuel Fritz 1933-7-15 Plumas Spanish Peak 2145 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
  CAS-BOT-BC128866  Philadelphus A. L., Mrs. Coombs 1920-6-10 s.n. Plumas Camp Rodgers - Feather River Region 701 Comment
  CHSC9710  Philadelphus lewisii Nancy Mosman 1971-7-11 77 Plumas Along w side of road ca. 1.3 mi s of Belden turnoff and Hwy 70. 1025 Comment
  UC858323  Philadelphus lewisii A. A. Heller 1938-5-30 15130 Plumas on Hwy 24 near Grizzly Dome Tunnel 609 Comment
  CHSC103127  Phleum pratense Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16115 Plumas North of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC63263  Phlox diffusa Lowell Ahart 1994-6-12 7317 Plumas Near Cedar 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. 1706 Comment
  CHSC98355  Phlox diffusa L. P. Janeway 2007-5-20 8983 Plumas Northern High Sierra Nevada. Top of Red Hill. 1929 Comment
  HSC22973  Phlox diffusa John Pratt 1970-6-30 55 Plumas Humboldt Summit Comment
  UCSC000594  Phlox gracilis E. Sawyer 1935-5-22 24 Plumas 2.5 miles S.S.E. of Beckwith Beckwith - Sierraville 1494 Comment
  UCD118240  Phlox hoodii subsp. canescens Kim Nixon 1977-5-29 33 Plumas 7.2 miles east of Doyle on Greeno Rd. then 0.2 miles north on Bird Creek Rd. 1950 Comment
  RSA39890  Phlox speciosa subsp. occidentalis P. A. Munz 1947-5-16 11832 Plumas 8 miles north of Chilcoot. 1524 Comment
  CHSC89302  Phoenicaulis cheiranthoides G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16331 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-BC135162  Phoradendron juniperinum M. S. Taylor; M. Foster 1981-8-13 4177 Plumas top of hill, N & NE side of W flank of Wheeler Peak ridge, ca. 5 air mi N of Genesee 1981 Comment
  JEPS95467  Phoradendron libocedri Lowell Ahart 1994-7-28 7533 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  RSA609435  Phoradendron libocedri Louis C. Wheeler 1958-7-29 7343 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  RSA794999  Phoradendron libocedri L. Ahart, John Dittes 2009-7-15 16087 Plumas Northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  CAS-BOT-BC58835  Phyllodoce breweri Rimo Bacigalupi 1927-7-7 1653 Plumas Upper reaches of trail between Gray Eagle Valley and Song Lake Comment
  UC571046  Phyllodoce breweri H. L. Mason 1924-6-19 1074 Plumas Bear Lake Comment
  CAS-BOT-BC78469  Pinus contorta subsp. murrayana John Thomas Howell 1960-7-18 35502 Plumas Drakesbad 1828 Comment
  UC1351093  Pinus contorta subsp. murrayana E. Fritz 1936-6-21 8206 Plumas Flat 1722 Comment
  CAS-BOT-BC78691  Pinus jeffreyi Elmer I. Applegate 1929-6-21 5815 Plumas Mt. Lassen region; Kelley's Camp, Warner Valley Comment
  CAS-BOT-BC78721  Pinus jeffreyi John Thomas Howell 1960-7-18 35503 Plumas Drakesbad 1828 Comment
  UC496204  Pinus jeffreyi Elmer I. Applegate 1929-6-21 5815 Plumas Kelleys Camp Mt. Lassen region, Warner Valley Comment
  CAS-BOT-BC73081  Pinus lambertiana Alice Eastwood 1927-6-1 14701 Plumas Forest Lodge, Greenville, United States Forest Reserve. Comment
  UC400326  Pinus lambertiana H. M. Hall 1912-1-1 Plumas Comment
  CAS-BOT-BC78946  Pinus monticola Ahart; Jokerst 1985-10-4 5190 Plumas about 1 mile west of Pilot Peak, about 9 miles north-east of La Porte 1828 Comment
  RSA59457  Pinus monticola E. K. Balls 1950-9-2 15653 Plumas Slightly below Mt. Ingalls Lookout on south slope, north of Grizzly Valley. 2485 Comment
  CAS-BOT-BC79050  Pinus ponderosa Elmer I. Applegate 1929-6-23 5829 Plumas Mt. Lassen region, between Mineral and Chester Comment
  UCD133284  Pinus ponderosa Beecher Crampton 1960-6-21 5742 Plumas Gurnsey Creek. 3.5 miles E of Child's Meadow, along State Hwy. 36. 1463 Comment
  RSA286275  Piperia transversa Robert F. Thorne 1974-7-30 45016 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  CHSC63203  Piperia unalascensis Lowell Ahart 1994-6-29 7403 Plumas About 1/2 mile south of Bucks Lake. 1828 Comment
  UC127441  Plagiobothrys A. A. Heller with P. B. Kennedy 1907-7-2 8682 Plumas between Vinton and Peckwith Comment
  CHSC23610  Plagiobothrys cognatus K. Stern 1975-7-24 Plumas SW side of Lake Almanor. Comment
  JEPS102656  Plagiobothrys cognatus Lowell Ahart 2001-8-29 9231 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET13710643  Plagiobothrys cusickii Lowell William Ahart, Lowell William Ahart 2001-1 9231 Plumas Bottom of Little Last Chance Creek, Frenchman Lake (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  CAS-BOT-BC230962  Plagiobothrys hispidulus John Thomas Howell 1962-6-18 37804 Plumas Sierra Valley near Beckwourth 1487 Comment
  CAS-BOT-BC230983  Plagiobothrys hispidulus Walter Knight; Irja Knight 1966-6-19 1357 Plumas The Butterfly Botanical Area and Vicinity. Butterfly Valley, Near the spring 1097 Comment
  CHSC117628  Plagiobothrys hispidulus Lowell Ahart 2016-8-30 21330 Plumas On the west side of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CHSC21601  Plagiobothrys hispidulus L. M. Mayer; D. E. Brink Jr. 1975-7-3 Plumas Bucks Lake. Comment
  CAS-BOT-BC228469  Plagiobothrys mollis M. S. Taylor 1982-7-8 4802 Plumas On Ramelli Ranch on S side of Feather River, 1 mile SW of Beckwourth 1487 Comment
  SD72058  Plagiobothrys tenellus John Thomas Howell, Gordon H. True 1968-6-10 44538 Plumas American Valley at Quincy 1036 Comment
  CHSC81136  Plantago major Lowell Ahart 2001-8-28 9207 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  SEINET6170685  Platanthera dilatata var. leucostachys R. McKee, H. L. Westover 1918-1 Plumas Comment
  RSA794791  Platanthera leucostachys Lowell A. Ahart, John Dittes 2009-7-13 16049 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
  UC367023  Platanthera leucostachys J. G. Lemmon and wife Aug 1883 Plumas Indian Valley, n California Indian Valley Comment
  CHSC116343  Platanthera leucostachys J. R. Keck Jr. 1978-6-30 PDR 330062 Plumas Snake Lake near Quincy. Comment
  CAS-BOT-BC254765  Poa bolanderi John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54399 Plumas Grizzly Summit, 6 miles SW of Bucks Lake 1676 Comment
  JEPS106227  Poa bolanderi Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11181 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy 2053 Comment
  JEPS107634  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
  CAS-BOT-BC254974  Poa bulbosa L. W. Swift 1934-5-12 110 Plumas Taylorsville 1097 Comment
  CHSC60513  Poa bulbosa L. P. Janeway 1992-5-22 4194 Plumas Plumas National Forest. South side of Middle Fork Feather River, just south of railroad tracks, 0.3 mi west of the road to Calpine; ca 4 mi east of Portola. 1487 Comment
  CHSC81431  Poa bulbosa L. P. Janeway 1996-5-13 4969 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 0.3 mi northwest of Hwy 70 and East Branch North Fork Feather River, at first creek crossing. 902 Comment
  SEINET10657846  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. 1158 Comment
  UCD105402  Poa bulbosa subsp. bulbosa Michael A. Vincent 1999-6-8 8554 Plumas Plumas National Forest, Milford Ranger District. Along FS 26N17 just north of FS 26N40. Comment
  UCD94972  Poa bulbosa var. vivipara Michael A. Vincent 1999-6-7 8538 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA Rt. 70. Comment
  CAS-BOT-BC255098  Poa compressa John Thomas Howell 1961-6-21 36673 Plumas Greenville 1097 Comment
  CHSC117445  Poa cusickii subsp. cusickii Lowell Ahart 2016-6-29 21061 Plumas Top and southeast part of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  CAS-BOT-BC255145  Poa cusickii subsp. epilis Mrs. H. C. Cantelow 1941-5-19 s.n. Plumas Near Frenchman Creek NE of Beckwourth 1828 Comment
  CHSC58209  Poa cusickii subsp. epilis Vernon H. Oswald; Lowell Ahart 1992-6-22 5022 Plumas Lassen Volcanic National Park. Along the service road ca. 0.1 mi S of Terminal Geyser. 1767 Comment
  UCD90941  Poa cusickii subsp. epilis August L. Hormay 1932-6-9 s.n. Plumas Squaw Queen Valley, near Crocker Ranger Station, Plumas National Forest. Comment
  SEINET10834530  Poa fibrata Billy Joe Cox 1969-8-18 Cox 3423 Plumas Collected from dry sagebrush desert. 1/2 mi W of Beckworth Pass. Comment
  CAS-BOT-BC255918  Poa nervosa John Thomas Howell; Gordon H. True 1969-6-23 45823 Plumas Middle Fork of Feather River at Nelson Point 1249 Comment
  CDA14750  Poa nervosa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3307 Plumas Diamond Mountain Road 1.4 miles north-northeast of Engle Mine townsite. 1295 Comment
  RSA201356  Poa palustris J. T. Howell 1960-8-20 36277 Plumas Drakesbad 1677 Comment
  RSA300172  Poa palustris J. T. Howell 1961-9-23 36852 Plumas Indian Valley; Sierra Nevada 1082 Comment
  JEPS113667  Poa pratensis subsp. pratensis Lowell Ahart, Josephine Guardino 2007-7-20 14310 Plumas South of a small drainage, northeast edge of a large meadow, south of Lightning Tree Campground, west of the paved road, east side of Lake Davis 1789 Comment
  CAS-BOT-BC247079  Poa secunda subsp. juncifolia John Thomas Howell 1962-6-18 37757 Plumas Sierra Valley near Beckwourth 1487 Comment
  CHSC53182  Poa secunda subsp. secunda L. P. Janeway 1989-6-14 3312 Plumas Plumas National Forest. Along s'ly side of Red Clover Valley. 1685 Comment
  CHSC57466  Poa secunda subsp. secunda L. P. Janeway 1991-6-18 4051 Plumas Plumas National Forest. 3 1/2 mi southwest of Portola, ca 400 ft west of Middle Fork Feather River. 1487 Comment
  JEPS106215  Poa secunda subsp. secunda Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11010 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
  UC641682  Poa secunda subsp. secunda G. L. Stebbins Jr. 1939-7-6 2898 Plumas 1.7 mi e Meadow Valley (on rd to Quincy) 1097 Comment
  NY546654  Poa sierrae J. T. Howell 1967-5-9 42204 -[female] Plumas Sierra Nevada. 3.5 miles SW of belden, Feather River Canyon 609.6 Comment
  RSA0049675  Poa sierrae Dean Wm. Taylor 2012-5-2 21186 Plumas Lewisia Rock, 4 miles west (downcanyon) from Belden (turnoff), Feather River Canyon 660 Comment
  CHSC59922  Polygala cornuta L. P. Janeway 1992-7-31 4284 Plumas South-facing slopes in canyon of North Fork Feather River; along the Chambers Creek Trail ca 0.5 mi from Hwy 70. 685 Comment
  JEPS102479  Polygonum arenastrum Lowell Ahart 2001-10-8 9309 Plumas On the sides of Boulder Creek, below the high water line of Antelope Lake, about 24 mies (air) NE of Quincy. 1522 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
  CHSC113858  Polygonum aviculare subsp. aviculare Lowell Ahart 2014-9-9 19842 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
  JEPS87769  Polygonum bistortoides Lowell Ahart 1994-6-12 7321 Plumas w side of Faggs Mine Rd near Cedar Flat (sw of a small branch of Willow Creek, about 1 1/4 air mi s of Bucks Lake) 1706 Comment
  UC6668  Polygonum bistortoides John M. Coulter 1876-1 34 Plumas Comment
  UCD147790  Polygonum californicum Allyson Ayalon; Lucie Jerabkova 2012-8-1 143 Plumas Plumas County. Antelope Lake vacinity. 1524 Comment
  CAS-BOT-BC414555  Polygonum douglasii L. P. Janeway 1989-6-14 3305 Plumas Beckwourth Ranger District, Plumas National Forest. Forest along S'ly side of Red Clover Valley 1699 Comment
  OBI10859  Polygonum douglasii Lewis S. Rose 1967-7-9 67142 Plumas Quincy 1036 Comment
  CAS-BOT-BC414543  Polygonum douglasii L. W. Swift 1934-7-5 93 Plumas Plumas National Forest. Gibsonville Grade 1950 Comment
  SD131786  Polygonum douglasii Barbara Ertter 1988-7-25 7847 Plumas Diamond Mts ca 12 airmiles SSW of Susanville, Snoring Springs I(c) mi N of Diamond Mt-Greenville-Red Rock jct 1981 Comment
  CHSC100323  Polygonum douglasii subsp. douglasii Lowell Ahart 2008-8-13 15187 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC20806  Polygonum douglasii subsp. johnstonii K. R. Stern 1975-7-23 5843 Plumas W shore of Lake Almanor. 1371 Comment
  CHSC76065  Polygonum douglasii subsp. johnstonii G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3250 Plumas 2.5 miles southeast of Mt Hough summit, 0.4 mil northwest of China Grade Road (to Taylorsville). 1798 Comment
  CHSC56865  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 1991-7-18 4078 Plumas Plumas National Forest Beckwourth Ranger District Midway Compartment. North side of Grizzly Valley ca 1 mi east of Lake Davis. Rocky open lightly vegetated area on north side of County Road. 1777 Comment
  CHSC57094  Polygonum douglasii subsp. spergulariiforme L. P. Janeway; Garrett Gibson 1991-7-11 4072 Plumas Plumas National Forest Beckwourth Ranger District Westside Compartment. Between Smith Peak and the southwest corner of Lake Davis; between Humbug Creek and Dan Blough Creek. 1798 Comment
  CHSC97215  Polygonum douglasii subsp. spergulariiforme Lowell Ahart; Josephine Guardino 2007-7-20 14315 Plumas Along a small drainage, northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  JEPS50553  Polygonum douglasii subsp. spergulariiforme W. L. Jepson 1939-8-12 19407 Plumas Ferris Creek; branch of Last Chance Creek 1767 Comment
  UC465756  Polygonum douglasii subsp. spergulariiforme D. Cleveland 1882-7-24 148 Plumas Austin's Field Big Meadows Comment
  UC726251  Polygonum douglasii subsp. spergulariiforme A. A. Heller 1937-9-1 15344 Plumas in a field near Feather River Bridge at Chester 1304 Comment
  RSA52913  Polygonum lapathifolium R. Weatherby 1950-7-21 1470 Plumas East Quincy. 1037 Comment
  RSA59255  Polygonum persicaria E. K. Balls 1950-8-31 15544 Plumas Spanish Creek off Hwy 24, just N of Quincy. 1067 Comment
  CDA13347  Polygonum phytolaccifolium G. F. Hrusa, T. D. Wilfred 1996-7-9 13195 Plumas Sierra Nevada; Grizzly Campground, S of Bucks Lake on Hwy 162. Comment
  JEPS48944  Polygonum phytolaccifolium Esther C. Fritz 1933-7-27 Plumas Spanish Peak 2072 Comment
  RSA122753  Polygonum phytolaccifolium B. O. Schreiber 1938-7-10 2530 Plumas 1/4 mile S of University of California Forestry Camp, near Meadow Valley. 1098 Comment
  SEINET3840887  Polygonum polygaloides subsp. esotericum G. Douglas Barbe, Thomas C. Fuller 1982-6-17 3846 Plumas Frenchman Lake, East shore, Crystal Fishing Access, Marshy arm of the lake at parking lot, USGS Quadrangle: Frenchman Lake 7.5 1700 Comment
  CAS-BOT-BC420058  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1962-6-18 37805 Plumas Sierra Valley, near Beckwourth 1487 Comment
  CHSC46709  Polygonum polygaloides subsp. kelloggii V. Oswald; L. Ahart 1989-8-22 3951 Plumas Lost Lake, ca. 2 mi (air) nnw of Humbug Summit. On the drying strand of the lake. 1950 Comment
  CHSC87816  Polygonum polygaloides subsp. kelloggii Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11054 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
  JEPS51281  Polygonum polygaloides subsp. kelloggii W. L. Jepson 1910-6-5 4075 Plumas Hot Springs Valley Lassen Pk. 1706 Comment
  JEPS81571  Polygonum polygaloides subsp. kelloggii M. S. Taylor 1982-6-21 4707 Plumas off Eureka Ridge Rd (23N09) ca 1/4 mi above, ca 3 air mi sw of Sloat spring; Blue Nose Mt. quad., White Cap 1859 Comment
  CDA19232  Polygonum sawatchense G. D. Barbe, T. C. Fuller 1982-6-17 3833 Plumas Plumas National Forest; Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  UCSB51214  Polypodium californicum Almanza, Ed 1976-4-1 Plumas Feather River Canyon, N-fork, Hwy 70, 7 mi past county border 640 Comment
  CAS-BOT-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
  CHSC21661  Polystichum imbricans Brink; Mayer 1975-7-11 Plumas Buck's Lake Forest Service Survey. Comment
  UC1875010  Polystichum imbricans Ruth Kirkpatrick 2005-7-19 1360 Plumas W of Johnsville Museum. 1630 Comment
  UCD136492  Polystichum imbricans subsp. imbricans F. H. Bolster 1912-9-2 61 Plumas Feather River Canyon. Comment
  CHSC63442  Polystichum lemmonii Lowell Ahart 1994-7-28 7531 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  CAS-BOT-BC72507  Polystichum scopulinum G. Ledyard Stebbins 1968-8-3 6847 Plumas Grizzly Peak sw. of Taylorsville 2286 Comment
  SEINET10932139  Populus trichocarpa Mary Susan Taylor 1981-8-5 Taylor 4161 Plumas T28N R12E se 1/4 sw 1/4 sec 32. Kettle Rock quad. At jct of Pierce & Indian Creeks, ca. 1 mi N of Fruit Growers Blvd. ca. 2 air mi W of Antelope Lake. Granitic soils. 5500 ft. 1676 Comment
  JEPS16281  Porterella carnosula E. Sawyer 1935-6-27 163 Plumas Charlies Valley; Plumas National Forest, Sierraville Quad. 1524 Comment
  SEINET10460765  Porterella carnosula Austin 1878-1 AUSTIN s.n. Plumas Comment
  UC1564761  Potamogeton gramineus V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3908 Plumas 6.5 air mi n of La Porte (0.5 air mi w of Fowler Pk., lake at the headwaters of of Fowler (Slate) Creek) 1670 Comment
  CAS-BOT-BC453795  Potamogeton natans Lowell Ahart 1980-9-17 2654 Plumas 1/2 mile west of Fowler Pk. 1600 Comment
  UC1099845  Potamogeton natans Malcolm A. Nobs, S. Galen Smith 1949-8-20 1468 Plumas 9 mi s of Milford (on road between Beckwith and Milford, along Willow Creek); Willow Creek Comment
  CHSC65477  Potamogeton pusillus var. tenuissimus V. Oswald; L. Ahart 1988-8-4 3665 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Along the se edge of the lake. 1676 Comment
  CAS-BOT-BC143431  Potentilla John Thomas Howell 1961-6-21 36703 Plumas Greenville 1097 Comment
  RSA726447  Potentilla biennis L. Ahart, John Dittes 2007-6-17 14181 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
  RSA8064  Potentilla fruticosa H. A. Barker 1927-8-14 842 Plumas Wades Lake 1982 Comment
  RSA59179  Potentilla glandulosa subsp. ashlandica E. K. Balls 1950-9-1 15605 Plumas East of Long Lake, 2134 Comment
  POM275173  Potentilla glandulosa subsp. hansenii Lyman D. Benson 1932-7-29 3988 Plumas Buck Lake, Sierra Nevada Mountains. Feather River Drainage Area. 2134 Comment
  RSA611286  Potentilla glandulosa subsp. hansenii Joseph A. Ewan 1934-7-17 8533 Plumas Ready Bullion Mine, Bear Lake, Mt. Elwell Region. 1982 Comment
  CDA19274  Potentilla gracilis var. elmeri G. D. Barbe, T. C. Fuller 1982-6-17 3858 Plumas Plumas National Forest; Frenchman Lake. 2 mi N of Turkey Pt Fishing Access; 1706 Comment
  RSA123343  Potentilla gracilis var. elmeri E. Sawyer 1935-6-7 84 Plumas 3.75 miles SSW of Sugarloaf 1494 Comment
  CHSC53594  Potentilla gracilis var. fastigiata L. P. Janeway 1989-7-25 3517 Plumas Plumas National Forest. Crocker Meadow; near Beckwourth-Genesee Rd (rd 111) 6.4 mi north of Beckwourth. 1737 Comment
  CAS-BOT-BC540076  Potentilla gracilis var. fastigiata Rimo Bacigalupi 1927-7-11 1705 Plumas Grassy Lake meadows, Gold Lake Region 1889 Comment
  SEINET6637082  Potentilla millefolia A. A. Heller, P. B. Kennedy 1907-7-3 8691 Plumas Red Clover Valley Comment
  RSA239231  Potentilla palustris Robert F. Thorne 1972-9-20 42312 Plumas Plumas National Forest: Snake Lake 4 miles NW of Quincy. 1220 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
  CHSC20991  Prunella vulgaris var. lanceolata F. T. Griggs; A. Pass 1975-7-11 156 Plumas Buck's Lake. Comment
  CHSC21579  Prunella vulgaris var. lanceolata D. E. Brink Jr.; L. M. Mayer 1975-7-3 Plumas Bucks Lake Floristic Survey. Comment
  CAS-BOT-BC158137  Prunus emarginata John Thomas Howell 1926-7-26 2120 Plumas Near Prattville 1463 Comment
  CAS-BOT-BC158145  Prunus emarginata A. A. Heller; P. B. Kennedy 1907-7-15 8845 Plumas Near mouth of Little Grizzly Creek below Genessee [Genesee] Comment
  CAS-BOT-BC158153  Prunus emarginata John Thomas Howell 1976-7-20 52036 Plumas At south end of Lake Almanor 1371 Comment
  CHSC21811  Prunus emarginata F. T. Griggs; A. Pass 1975-7-2 33 Plumas Buck's Lake. East of road. Comment
  UC1128323  Prunus emarginata E. Sawyer 1935-5-23 34 Plumas 1 1/2 mi ssw of Kerby (Plumas National Forest); Plumas National Forest 1554 Comment
  UC1128345  Prunus emarginata G. F. Burk 1933-8-20 39 Plumas Lexington Hill, Plumas National Forest Lexington Hill; Plumas National Forest, Lexington Hill 1676 Comment
  SEINET10483446  Prunus emarginata Mary Susan Taylor 1981-7-17 Taylor 4046 Plumas T21N R12E ne/sw sec 7, Sierra City NW quad; Lakes Basin, Long Lakes trail on S ridge above Long Lake, ca. 6 air mi S of Mohawk; 6500 ft elev. 1981 Comment
  CHSC52533  Prunus virginiana var. demissa L. P. Janeway 1990-6-8 3709 Plumas Plumas National Forest. North side of Long Valley opposite Sloat, ca 3/4 mi N of Hwy 70/89; bottom of drainage between Little Long Valley Creek and Rattlesnake Creek. 1356 Comment
  UC1128455  Prunus virginiana var. demissa E. Sawyer 1935-6-1 57 Plumas 3/4 mi w of Kerby 1524 Comment
  UC567086  Prunus virginiana var. demissa E. Sawyer 1935-6-1 57 Plumas 3/4 mi w of Kerby 1524 Comment
  CAS-BOT-BC356381  Pseudognaphalium beneolens John Thomas Howell 1960-8-20 36279 Plumas Near Lassen Volcanic National Park. Kelly Camp, near Drakesbad 1615 Comment
  CAS-BOT-BC357343  Pseudognaphalium microcephalum Rimo Bacigalupi; Lawrence R. Heckard 1951-8-8 3479 Plumas In Mud Creek Valley, along California State Highway No. 36, 1.3 miles east of Chester 1380 Comment
  CAS-BOT-BC361679  Pseudognaphalium thermale John Thomas Howell 1974-9-20 50892 Plumas 7 miles from Quincy on road to Blairsden 1097 Comment
  CHSC81360  Pseudostellaria jamesiana L. P. Janeway 1996-5-13 4966 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
  CHSC89913  Pseudostellaria jamesiana N. L. Jurjavcic 2004-6-27 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Adjacent to a trail. 1524 Comment
  NY1083713  Pseudostellaria jamesiana B. J. Ertter 1989-7-3 8635 Plumas Near Bear Creek crossing on Lone Rock road, Diamond Mountains ca 9 airmiles south of Susanville 1768 Comment
  CAS-BOT-BC80157  Pseudotsuga menziesii Alice Eastwood 1927-6-15 14704 Plumas Forest Lodge, Greenville, United States Forest Reserve Comment
  SEINET10475094  Psilocarphus brevissimus Mary Susan Taylor 1982-8-19 Taylor 5115 Plumas T22N R12E sw/ne sec 9. Johnsville quad. In lawn at upper barracks, Mohawk Ranger Station, s side of Hwy 70, ca. 1 mi w of Blairsden. 4350 ft. 1326 Comment
  UC176750  Psilocarphus brevissimus var. brevissimus A. A. Heller and P. B. Kennedy 1907-7-2 8689 Plumas between Vinton Beckwith Comment
  CAS-BOT-BC453560  Pterospora andromedea John Thomas Howell 1960-7-21 35836 A Plumas Lassen Volcanic National Park: NW of Willow Lake 1706 Comment
  CDA30240  Pycnanthemum californicum L. Ahart, J. Dittes 2009-7-27 16181 Plumas About 20 yards north of the poor dirt road, about 20 yards east of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam Comment
  CHSC111240  Pycnanthemum californicum B. Castro; L. P. Janeway 2007-8-18 1673 Plumas Northern High Sierra Nevada. Ca 10 road mi E of Quincy, along Squirrel Creek and Road 401, 1.2 mi NE of Hwy 70/89 and Williams Loop (railroad). 1267 Comment
  SD52198  Pycnanthemum californicum F. Stephens 1894-8-19 8636 Plumas Sierra Valley Comment
  CAS-BOT-BC460823  Pyrola aphylla Mrs. A. L. Combs 1906-6-1 s.n. Plumas Prattville Comment
  RSA0081590  Pyrola aphylla Christopher Davidson 1974-7-25 2491 Plumas Ca. 5 mi. W of Westwood on St. Hwy 36. 1524 Comment
  CAS-BOT-BC462899  Pyrola asarifolia John Thomas Howell 1963-6-3 39398 Plumas Sierra Nevada, Butterfly Valley Comment
  RSA0080595  Pyrola dentata G. T. Nordstrom 1934-7-3 187 Plumas 3/4 mile S.W. of Mt. Ararat. 1707 Comment
  SEINET7257120  Pyrola dentata A. A. Heller, P. B. Kennedy 1907-7-8 8764 Plumas Grade between Greenville and Prattville Comment
  CAS-BOT-BC466102  Pyrola picta David D. Keck 1932-7-3 1643 Plumas Northern Sierra Nevada, Quincy, hillside S of town 1219 Comment
  UC1999912  Pyrrocoma apargioides J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-13 9315 Plumas 8 km N of Lowalton, Sierra Valley, A-24 just W of CA-49. Comment
  UCD129028  Pyrrocoma lanceolata Charles Wemken 1973-8-21 s.n. Plumas Vinton. Comment
  CAS-BOT-BC362284  Pyrrocoma lanceolata var. lanceolata John Thomas Howell 1975-7-22 51379 A Plumas Sierra Valley near Beckwourth 1493 Comment
  JEPS19254  Pyrrocoma lucida W. L. Jepson 1939-8-16 19430 Plumas Portola Comment
  JEPS20304  Pyrrocoma racemosa var. paniculata Lewis S. Rose 1955-7-19 55147 Plumas Vinton 1505 Comment
  UCD148524  Quercus X chasei G. F. Hrusa 1996-8-8 13471 Plumas south-facing slope, around 1/4 mile south of intersection of USFS 24N2 and 24N66, approximately 1 mile south of Brady's Camp, Plumas National Forest. 1950 Comment
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Jan 5 2016
  CAS-BOT-BC62427  Quercus chrysolepis Mrs. E. C. Suttiffe 1920-9-1 s.n. Plumas Gold Valley Comment
  CAS-BOT-BC93979  Quercus durata John Thomas Howell 1959-9-21 34790 Plumas Rich Bar 762 Comment
  JEPS26748  Quercus durata var. durata P. C. Hutchison 1961-6-9 2119 Plumas 2 mi s (below) Rich Bar (above road at bridge, canyon of the North Fork of Feather River, along U.S. Hwy 40 Alt) Comment
  CAS-BOT-BC105309  Quercus kelloggii Lloyd W. Swift 1931-7-20 38 Plumas Plumas Forest. Skinner Flat, near Lake Almanor Dam 1371 Comment
  CAS-BOT-BC105312  Quercus kelloggii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54295 Plumas E side of Indian Valley just N of Taylorsville 1112 Comment
  CHSC76133  Quercus kelloggii G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-25 3293 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorville. 1112 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
  UC1135814  Quercus vacciniifolia C. G. Albertus 1935-7-22 225 Plumas 3.75 mi sw Lovejoys; Plumas National Forest, Downieville Quad. 1767 Comment
  CHSC82460  Ranunculus alismifolius var. alismellus Lowell Ahart 2002-6-26 9793 Plumas Growing along a small stream, about 150 yards north of the gravel road, about 1/4 mile (air) west of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1718 Comment
  POM269646  Ranunculus alismifolius var. alismellus Lyman Benson s.n. Plumas Near Quincy 2134 Comment
  CAS-BOT-BC379213  Ranunculus aquatilis Gordon H. True; John Thomas Howell 1968-6-10 44546 Plumas Quincy 488 Comment
  JEPS102657  Ranunculus aquatilis Lowell Ahart 2001-8-29 9233 Plumas Frenchman Lake, strand, bottom of Little Last Chance Creek 1700 Comment
  CHSC37018  Ranunculus aquatilis var. capillaceus M. S. Taylor 1982-5-16 4455 Plumas In creek crossing rd, ca. 1/8 mi e of Hwy 89, ca. 1/4 mi n of Graeagle, in Mohawk Valley. 1310 Comment
  UCD20198  Ranunculus aquatilis var. diffusus R. Yeo 1971-7-19 s.n. Plumas Lake Davis, near Portola. Comment
  UCSB19700  Ranunculus aquatilis var. diffusus Myrick, Donald 1964-7-19 Plumas Drakesbad, Lassen Volcanic National Park 1737 Comment
  SEINET8697205  Ranunculus glaberrimus var. glaberrimus W. Harnach, N. Harnach 1989-3-29 004 Plumas Approx 1 mile N of The Sierra/Plumas Co. line on Co. Rd. A-23, Hillside N of the Barry corrals. 1506 Comment
  JEPS28452  Ranunculus occidentalis George W. Gillett 1957-7-13 750 Plumas meadow across creek from Devils Kitchen; Lassen Volcanic National Park 1859 Comment
  UCD97037  Ranunculus occidentalis var. ultramontanus Dean W. Taylor 1976-7-9 6187 Plumas About 1 mile north of Humboldt summit. 1798 Comment
  CHSC58177  Ranunculus orthorhynchus var. orthorhynchus Vernon H. Oswald; Lowell Ahart 1992-6-2 4975 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. 1767 Comment
  SD8000  Ranunculus sceleratus var. multifidus Mrs. R. M. Austin 1880-1 Plumas Indian Valley Comment
  UC338277  Ranunculus uncinatus unknown 1889-5-28 Plumas Culver's Spring Mohawk Valley Comment
  CAS-BOT-BC55824  Rhamnus John Thomas Howell 1977-6-21 52395 Plumas Vista Point near Lake Almanor Dam 1432 Comment
  CAS-BOT-BC59571  Rhamnus alnifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54408 Plumas Sierra Nevada - Walker Plain, about 8 miles southwest of Bucks Lake on road to Oroville 1524 Comment
  CHSC88626  Rhamnus alnifolia H. Gray 2003-6-17 Plumas Plumas National Forest. 1463 Comment
  RSA88509  Rhamnus alnifolia J. T. Howell 1951-6-27 27617 Plumas Jamison Creek 1829 Comment
  SD10097  Rhamnus alnifolia Mrs. R. M. Austin 1879-1 Plumas Big Spring, Big Meadows Comment
  RSA518947  Rhamnus purshiana J. T. Howell 1963-6-3 39395 Plumas Butterfly Valley Comment
  RSA609424  Rhamnus purshiana Louis C. Wheeler 1958-7-30 7357 Plumas Sierra Nevada: White Pine Chrome Mine, ca. 1/2 mile E of Bottle Springs, South Fork Rock Creek, near Quincy. 1585 Comment
  JEPS41962  Rhamnus rubra W. L. Jepson 1918-8-16 8004 Plumas Engels Lights Creek 1341 Comment
  CAS-BOT-BC56571  Rhododendron columbianum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  SEINET7271482  Rhododendron occidentale M. J. Williams 1968-5-28 s.n. Plumas Near Caribou Power Station 701 Comment
  RSA121959  Rhododendron occidentale var. californicum F. W. Embree 1934-6-6 64 Plumas South slope of Bucks Mountain. 1524 Comment
  POM313091  Rhynchospora capitellata Malcolm A. Nobs, S. Galen Smith 1949-8-19 1447 Plumas Butterfly Valley. Comment
  UCD38334  Ribes aureum Beecher Crampton 1954-5-11 1884 Plumas 5 miles south of Vinton, Sierra Valley. Comment
  CAS-BOT-BC108716  Ribes cereum Mary Strong Clemens 1920-5-28 s.n. Plumas Crystal Lake. Comment
  UCD102122  Ribes cereum Donna Allen 1977-6-2 s.n. Plumas On Clover Creek dirt road, half way between Genesee valley and Summit valley. Comment
  CHSC75378  Ribes cereum var. cereum Vernon H. Oswald 1999-5-26 9728 Plumas E side of the arm of Lake Almanor extending N from the Hwy.36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  RSA0023975  Ribes inerme Marcus E. Jones 1897-7-6 s.n. Plumas Prattville. 5 miles west. 1372 Comment
  CHSC9716  Ribes nevadense Nancy Mosman 1971-7-11 83 Plumas Along river ca. 5 mi s of Belden turnoff and Hwy 70. 1025 Comment
  UC1075910  Ribes nevadense E. K. Balls and L. W. Lenz 1955-5-14 20704 Plumas 1 mi ne U.S. Hwy. 40 alt. (along Hwy. 89 toward Lake Almanor) 670 Comment
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Mar 29 2016
  RSA0023141  Ribes nevadense F. W. Embree 1934-6-6 85 Plumas 1.5 miles NW of Bucks Mtn. 1524 Comment
  SEINET5339753  Ribes nevadense M. J. Williams 1967-4-22 s.n. Plumas 1 mile w. of Storrie, Rocky bank 518 Comment
  RSA0018270  Ribes roezlii E. Sawyer 1935-5-27 42 Plumas 3 miles NNW of Kerby. 1616 Comment
  UCR123368  Ribes roezlii var. amictum George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6882 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  CAS-BOT-BC186231  Ribes roezlii var. roezlii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54239 Plumas About 3 miles southeast of Mt. Hough on road to Quincy 1737 Comment
  CAS-BOT-BC186237  Ribes roezlii var. roezlii Walter Knight; Irja Knight 1967-5-22 1823 Plumas Overnight camp. Butterfly Botanical Area and Vicinity 1097 Comment
  SEINET10473938  Rigiopappus leptocladus Mary Susan Taylor 1982-6-2 Taylor 4604 Plumas T23N R11ER nw/ne sec 22. Johnsville quad. W side of Poplar Creek Rd (23N08), jct s of bridge over Poplar Creek, 1 mi s of Sloat. 4200 ft. 1280 Comment
  CAS-BOT-BC74627  Rorippa curvisiliqua John Thomas Howell 1960-7-19 35617 Plumas Lassen Volcanic National Park. Drakesbad. 1828 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
  UC117532  Rorippa curvisiliqua Brandegee 1892-7-4 Plumas Prattsville Comment
  UC117549  Rorippa curvisiliqua D. Cleveland 1882-7-20 Plumas Prattville Comment
  CAS-BOT-BC74636  Rorippa curvisiliqua David D. Keck 1932-7-3 1676 Plumas Northern Sierra Nevada. At bridge over Spanish Creek. 1065 Comment
  CAS-BOT-BC74641  Rorippa curvisiliqua Lowell Ahart 1985-7-11 5127 Plumas Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake. 1584 Comment
  JEPS114341  Rorippa curvisiliqua var. orientalis Lowell Ahart 2008-9-10 15393 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte 1537 Comment
  JEPS121739  Rorippa nasturtium-aquaticum B. Castro and L. P. Janeway 2008-6-7 1737 Plumas Northern High Sierra Nevada. NE side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. In channel of Thompson Creek, near small rock dam. Comment
  CDA14694  Rosa gymnocarpa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3173 Plumas 2.0 miles south of Long Valley and Rush Creek roads, 4.0 miles north of Highway 70 at Grays Flat. 1447 Comment
  CDA18566  Rosa gymnocarpa G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3344 Plumas Sierra Nevada; 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  CAS-BOT-BC148295  Rosa pinetorum L. P. Janeway 1990-6-15 3719 Plumas Along Rattlesnake Cerek, 2.1 mi (along the creek) N of Hwy 70/89; off the N side of Long Valley - Plumas National Forest Beckwourth Ranger District 1524 Comment
  CAS-BOT-BC149729  Rosa woodsii subsp. ultramontana John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2205 Plumas Mouth of Butterfly Creek 883 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
  UCD18416  Rostraria cristata Vincent Forcella 2000-4-22 15 Plumas Plumas County?: Feather River, Shanghai Bend. Comment
  CHSC40850  Rubus parviflorus K. R. Stern 1985-6-25 8279 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC156922  Rubus ursinus Walter Knight; Irja Knight 1967-9-16 2251 Plumas Butterfly Botanical Area and Vicinity. Near pond reservoir 1097 Comment
  CHSC66700  Rudbeckia occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1996-8-1 8137 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at a drainage ca. 0.9 mi W of Hauns Mdw., SSE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1463 Comment
  CAS-BOT-BC422049  Rumex acetosella L. P. Janeway 1989-7-20 3505 Plumas Plumas National Forest, Beckwourth Ranger District. Forest along southerly side of Red Clover Valley at jct of rd 26N70 (to Laufman) and Beckwourth-Genesee Rd (rd 111) 9.5 mi from Beckwourth. 1676 Comment
  SEINET11934444  Rumex acetosella L. Ahart, Ahart, P. 1985-1 5170 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather 1585 Comment
  CAS-BOT-BC422166  Rumex californicus John Thomas Howell 1961-9-23 36836 Plumas Indian Valley 1082 Comment
  CHSC66637  Rumex occidentalis Vernon H. Oswald; Lowell Ahart 1996-7-15 8040 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  CAS-BOT-BC433760  Rumex pulcher John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2358 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek. Comment
  UC580738  Rumex salicifolius var. denticulatus C. G. Albertus 1935-7-20 201 Plumas 1.5 mi sw Lava Peak; Plumas National Forest, Downieville Quad. 1310 Comment
  SEINET10965517  Sagina saginoides Lowell Ahart 1985-7-11 Ahart 5131 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  POM253306  Salix A. A. Heller 1938-5-30 15135 Plumas The N fork of the Feather River near Virgilia. 793 Comment
  CAS-BOT-BC103626  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas outlet to Deer Lake below dam, Gold Lake region Comment
  CAS-BOT-BC103630  Salix eastwoodiae Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Trail to Elwell at spring on ridge, Gold Lake Region Comment
  CHSC54415  Salix eastwoodiae Vernon H. Oswald 1991-6-17 4673 Plumas Little Willow Lake, located ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  SJSU12159  Salix exigua N. A. Hopkins 1976-6-22 834 Plumas 7 mi NE of Loyalton 1524 Comment
  SEINET10538831  Salix exigua Mary Susan Taylor, G. Rotta 1982-6-14 Taylor 4664 Plumas T27N R12E sw/nw sec 15. Antelope Lake quad. Dry mdw on n side of Indian Creek, e side of 28N03, nw corner of Antelope Lake, ca. 12 mi ne of Taylorsville. Sandy poor soil. 5000 ft. 1524 Comment
  UC525904  Salix geyeriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-25 697 Plumas Fork of Feather R. ca. 5 mi s.w. of Prattville Comment
  UC846472  Salix geyeriana Alice Eastwood 1918-5-25 7003 Plumas Portola Comment
  CAS-BOT-BC125302  Salix lasiandra var. lasiandra Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC125319  Salix lasiandra var. lasiandra John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2200 Plumas Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC125323  Salix lasiandra var. lasiandra John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1974 Plumas In valley proper, Butterfly Botanical Area and Vicinity 1066 Comment
  CAS-BOT-BC107054  Salix lasiolepis Walter Knight; Irja Knight; John Thomas Howell 1967-5-8 1786 Plumas Mouth of Butterfly Creek 1036 Comment
  CAS-BOT-BC107160  Salix lasiolepis var. bigelovii John Thomas Howell; T. C. Fuller 1981-6-25 54353 Plumas 4.8 miles northwest of Antelope Reservior - Sierra Nevada 1661 Comment
  CAS-BOT-BC128429  Salix lasiolepis var. lasiolepis David D. Keck 1932-7-3 1657 Plumas Meadow south of Spanish Creek, Quincy - Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC128432  Salix lasiolepis var. lasiolepis Mary Strong Clemens 1920-4-7 s.n. Plumas Greenville Comment
  CAS-BOT-BC124791  Salix lemmonii Ella Dales Cantelow 1939-5-20 2564 Plumas Meadow Valley Comment
  CDA14756  Salix lemmonii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3317 Plumas Diamond Mountain Road 2.8 miles north-northeast of Engle Mine townsite; between the road and Lights Creek 1341 Comment
  LA208889  Salix lemmonii Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  RSA726287  Salix lemmonii L. Ahart, John Dittes 2007-6-16 14128 Plumas S side of County Road 111 (Beckwourth Gensee Road). 50 yards E of Forest Rd 24N08. Red Clover Valley. About 2 miles (air) N of the N end of Lake Davis. 1648 Comment
  CAS-BOT-BC124797  Salix lemmonii John Thomas Howell 1960-7-20 35725 Plumas Drakesbad 1828 Comment
  UC482028  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 393 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  UC482035  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
  CAS-BOT-BC128273  Salix lucida Michael A. Vincent 1999-6-7 8535 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA rt. 70. Comment
  CHSC87996  Salix lucida subsp. lasiandra Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11173 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  CHSC76144  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; between the road and Lights Creek. 1341 Comment
  POM218999A  Salix melanopsis Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 395 Plumas N Fork of Feather River, at Chester. 1350 Comment
  UC482044  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 396 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  UCD125443  Salvia aethiopis T. C. Fuller 1962-6-13 8998 Plumas Duensing prop., Route 1, Box 7, North Road, Indian Valley, 2 miles east of Greenville. Comment
  POM161622  Sambucus microbotrys R. C. Bacigalupi 1927-7-8 1658 Plumas Western edge of Long Lake Comment
  CAS-BOT-BC238843  Sambucus nigra subsp. caerulea Thomas H. Kearney 1944-8-14 144 Plumas Near Prattville, Lake Almanor Comment
  CHSC52517  Sambucus racemosa var. microbotrys L. P. Janeway 1990-6-27 3735 Plumas Plumas National Forest. Along Joseph Creek about 1/4 mi east of its headwaters on the northeast side of Grizzly Ridge. 2026 Comment
  JEPS115215  Sanguisorba annua Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16126 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  UC1128693  Sanguisorba annua Beryl O. Schreiber 1938-7-9 2516 Plumas 1 mi E of Meadow Valley 1066 Comment
  JEPS46337  Sanguisorba annua W. L. Jepson 1939-8-12 19399 Plumas Ferris Creek , branch of Last Chance Creek (branch of Last Chance Creek) 1767 Comment
  RSA59428  Sanguisorba annua E. K. Balls 1950-9-15 15854 Plumas S tip Lake Almanor by P.G.E. dam, Hwy 89. 1372 Comment
  UC1123194  Sanicula graveolens A. Lewis 1934-6-12 473 Plumas 4 1/2 mi W of Lexington Hill (Mooreville Ridge) 1493 Comment
  SEINET11155991  Sanicula graveolens A. A. Heller, P. B. Kennedy 1907-7-8 8765 Plumas Near Greenville. Comment
  CHSC45884  Sanicula tuberosa Lowell Ahart 1979-7-18 1983 Plumas In a small meadow, along Cleghorn Bar Road, about 1 mile west of the Quincy La Porte Road, about 2 miles west of Pilot Peak, about 12 miles north of La Porte. 1676 Comment
  CHSC62524  Sanicula tuberosa B. Castro 1993-7-8 474 Plumas Ca 0.5 mi W of turnoff to Bucks Lodge and other Bucks Lake resorts, off the S end of Haskins Bay ca 100 ft S of the Oro-Quincy Hwy. 1569 Comment
  JEPS25811  Sanicula tuberosa John W. Duffield 1937-5-23 Plumas near Bear Creek Ranger Station (southwestern Plumas County) Comment
  CAS-BOT-BC494127  Sarcobatus vermiculatus W. Harnach; N. Harnach 2000-8-23 997 Plumas Sierra Valley. 1 mi W of the Steel Bridge on Marble Lane 1485 Comment
  RSA101487  Saxifraga aprica R. Weatherby 1955-6-26 1556 Plumas Mud Lake. Lakes Basin Area. 2195 Comment
  RSA0101559  Sceptridium multifidum C. C. Bruce 1897-09 s.n. Plumas Butterfly Valley. Comment
  CAS-BOT-BC111270  Schoenoplectus acutus var. occidentalis John Thomas Howell 1961-9-25 36943 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC111274  Schoenoplectus acutus var. occidentalis Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1508 Plumas In quaking bog-like area at water's edge of Pond Reservoir-north shore. 1097 Comment
  CAS-BOT-BC111573  Schoenoplectus americanus Mrs. H. C. Cantelow 1938-7-4 2279 Plumas Drakesbad. Comment
  CAS-BOT-BC35585  Scirpus congdonii Mrs. E. C. Sutliffe 1914-8-1 s.n. Plumas Gold Lake Region Comment
  JEPS109278  Scirpus congdonii D. W. Taylor 2006-6-29 19555 Plumas Keddie Ridge; meadow just E of Second Water Trough, ca 1 mi W of Hauns Meadow along County Road 201. Comment
  UC1100830  Scirpus microcarpus Malcolm A. Nobs, S. Galen Smith 1949-8-19 1441 Plumas bog and marsh at Butterfly Valley Comment
  CAS-BOT-BC111013  Scirpus microcarpus L. P. Janeway 1990-8-29 3847 Plumas Ca. 0.1 mi W of Paradise Cr ca 3/4 mi S of Little Grizzly Cr. Mt. Ingalls quad. 1905 Comment
  RSA59679  Scirpus microcarpus E. K. Balls 1950-9-9 15748 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  SEINET10504140  Scirpus microcarpus Douglas G. LeDoux, David B. Dunn; Katherine L. Morris 1973-6-5 LeDoux 1071 Plumas On s side of greenville on n facing slope. Douglas-fir forest on small side Road Comment
  CDA14740  Scleranthus annuus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-25 3282 Plumas Beckwourth-Greenville Road 0.7 mile south of Arlington Road, east of Taylorsville. 1112 Comment
  UC170945  Sclerolinon digynum H. M. Hall 1912-8-3 9382 Plumas Quincy; Sierra Nevada Mountains 1066 Comment
  UC1713589  Scutellaria antirrhinoides C. Epling 1938-6-1 Plumas Prattville Comment
  CHSC21824  Scutellaria californica F. T. Griggs; A. Pass 1975-8-2 297 Plumas Bucks Lake Forest Service Survey. Comment
  CHSC118808  Scutellaria galericulata Wendy L. Boes 2016-9-6 2016 -041 Plumas In meadow on eastern side of Antelope Lake.(UTM 707144 E, 4450956 N, NAD 83 Zone 10 North; Elevation 5040 ft.) 1536 Comment
  JEPS26935  Sedum spathulifolium P. C. Hutchison 1961-6-9 2108 Plumas Feather River Canyon Feather River Canyon (at the Butte County line on highway US Alt. 40) Comment
  RSA0074743  Sedum spathulifolium Christopher Davidson 1975-6-7 2739 Plumas Ca. 3 miles on dirt road to Snake Lake branching to NW off Hwy 70 ca. 2 miles N of Quincy. 1273 Comment
  CAS-BOT-BC62197  Selaginella wallacei Lewis S. Rose 1967-5-8 67071 Plumas 3 1/2 mi. sw. of Belden, North Fork, Feather River 762 Comment
  JEPS79624  Selaginella wallacei Edward Lee 1951-10-8 1763 .9 Plumas Feather Hwy. below N. Fork Comment
  CHSC89470  Senecio eurycephalus var. lewisrosei Jenny Marr 1994-7-11 201 Plumas Located in the Quincy District of the Plumas National Forest, SE of North Fork Campground. 1005 Comment
  CAS-BOT-BC363794  Senecio integerrimus Ben Beard; J. D. Schoeller No date on label 403 Plumas Plumas National Forest. Last Chance near McDermott Pasture 1676 Comment
  CAS-BOT-BC363914  Senecio integerrimus var. exaltatus Alice Eastwood 1927-6-12 14516 Plumas United States Forest Reserve. Forest Lodge, Greenville 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
  LA204249  Senecio integerrimus var. major Lewis S. Rose; 1931-4-13 sn Plumas Woodleaf Comment
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Mar 30 2016
  CAS-BOT-BC364771  Sericocarpus oregonensis subsp. californicus Roxana S. Ferris; Laura Lorraine 1941-8-8 10418 Plumas 3 miles from Greenville on road to Lake Almanor Comment
  CHSC35952  Sidalcea glaucescens M. S. Taylor 1982-6-1 4576 Plumas On n side of Hwy 70., ca. 2 mi w of Quincy. Also T24N R09E S11 SW1/4 of NW1/4. 1097 Comment
  SEINET11991592  Sidalcea malviflora subsp. asprella L. Ahart, Ahart, P. 1983-1 4341 Plumas near Onion Valley, W of Pilot Peak, near Quincy-LaPorte Rd, NE of La Porte 2000 Comment
  SEINET11991682  Sidalcea oregana Detzer, Sacks 1977-1 12 Plumas along E side of USFS unimproved road, ca 4.8 km S of Laufman Ranger Stn 1833 Comment
  CHSC20808  Sidalcea oregana subsp. spicata K. R. Stern 1975-7-24 5845 Plumas E. shore of Lake Almanor. 1371 Comment
  CHSC4627  Sidalcea oregana subsp. spicata R. Carter 1966-7-10 482 Plumas Found Bucks Lake just S of Haskins Creek along E side USFS road 24N25. 1524 Comment
  CHSC56554  Sidalcea oregana subsp. spicata L. P. Janeway 1984-7-13 913 Plumas Near Grizzly Creek campground (southwest of Bucks Lake). 1584 Comment
  CHSC62568  Sidalcea oregana subsp. spicata B. Castro; L. P. Janeway 1987-7-17 137 Plumas Ca 6 mi W of Clio via Hwy 70/89, off USFS Rd 22N98 at a spring site. 1584 Comment
  JEPS107629  Sidalcea oregana subsp. spicata Lowell Ahart, Josephine Guardino 2005-8-9 12284 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  UC1075634  Sidalcea oregana subsp. spicata Robert J. Weatherby 1950-7-21 1473 Plumas East Quincy 1036 Comment
  JEPS67296  Sidalcea oregana subsp. spicata W. L. Jepson 1939-7-30 19281 Plumas between Fales Hill and Chaparral Hill (Spanish Creek headwaters); , btw Fales Hill and Chaparral Hill 1584 Comment
  RSA59405  Sidalcea oregana subsp. spicata E. K. Balls 1950-9-8 15720 Plumas Lakes Center Public Campground 2043 Comment
  CHSC87998  Silene bernardina Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11180 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2053 Comment
  UCR3553  Silene californica Wm. Horn Jr. 1963-7-14 630714- 01 Plumas Northern Sierra Nevada Mtns, Plumas National Forest. Meadow Valley, 100 yards south of Forest Service Road 24N36, 0.5 mi west of UC Forestry Camp 1159 Comment
  CAS-BOT-BC384431  Silene coronaria M. S. Taylor 1982-8-23 5035 Plumas Hillside above Feather River, ca. 1/4 mi n of Dutch Creek, ca. 1/2 mi ne of Twain 853 Comment
  CHSC108707  Silene douglasii var. douglasii B. Castro; L. P. Janeway 2001-7-22 1348 Plumas N. Sierra Nevada High. Between Frenchman Hill and the NW end of Red Mtn, on a low peak along ridge. Alongside road (the western extension of USFS Rd 23N69). 1798 Comment
  CHSC41377  Silene invisa Lowell Ahart 1986-7-8 5351 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1981 Comment
  CHSC41883  Silene invisa Lowell Ahart 1986-9-10 5396 Plumas About 1/2 mile north-west of Pilot Peak, about 1/2 mile south-east of Onion Valley, about 14 miles north-east of La Porte. 2072 Comment
  CHSC63454  Silene invisa Lowell Ahart 1994-7-22 7502 Plumas Plumas/Sierra County. Log landing, along the north side of the Pacific Crest Trail, about 1/2 mile east of Mount Etna. 1981 Comment
  CHSC111729  Silene laciniata subsp. californica Lowell Ahart 2012-7-1 18250 Plumas By large rocks, on the west side of the small stream, about 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. 833 Comment
  CHSC21649  Silene laciniata subsp. californica D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake. Comment
  JEPS119734  Silene laciniata subsp. californica Lowell Ahart 2012-7-1 18250 Plumas About 200 yards west of Caribou Road, about 4 miles (air) northeast of Belden. Comment
  CAS-BOT-BC389395  Silene lemmonii A. A. Heller; P. B. Kennedy 1907-7-11 8814 Plumas Prattville Comment
  CDA13354  Silene lemmonii G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-15 13203 Plumas Sierra Nevada; 2.5 m E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  CHSC21808  Silene lemmonii F. T. Griggs; A. Pass 1975-7-8 117 Plumas Bucks Lake Forest Service Survey. 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
  SBBG2040  Silene lemmonii H. and M. Dearing 1938-7-1 2253 Plumas 1 mi E of Lake Almanor Comment
  CHSC110762  Silene occidentalis subsp. occidentalis Dean Wm. Taylor; Tom Engstrom 2011-8-2 21138 Plumas The Sierra Nevada. Ridge 1 mile East of Fowler Peak, along the Pacific Crest Trail 0.3 trail miles E of the junction with Forest Road 22N27. 1722 Comment
  JEPS102939  Silene occidentalis subsp. occidentalis L. P. Janeway 2001-7-3 7259 Plumas Northern High Sierra Nevada. Top of south-facing slope overlooking Middle Fork Feather River; head of Sherman Creek 1707 Comment
  CAS-BOT-BC75111  Sisymbrium altissimum Alice Eastwood 1927-6-18 s.n. Plumas Near Greenville. United States Forest Preserve. Comment
  CAS-BOT-BC75121  Sisymbrium altissimum Greg Sommers 1976-7-20 189 Plumas Sierra Nevada. Sierra Valley Marsh. On Dyson Lane 50 meters east of metal bridge. 1524 Comment
  CDA19277  Sisyrinchium bellum G. D. Barbe, T. C. Fuller 1982-6-17 3863 Plumas Plumas National Forest; Frenchman Lake. 2 mi N of Turkey Pt Fishing Access; 1706 Comment
  RSA0089040  Sisyrinchium elmeri Bonnie C. Templeton 1968-6-9 11252 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  UC570692  Solanum umbelliferum Herbert L. Mason 1924-6-19 1066 Plumas slide just west of Gold Lake Comment
  CHSC45013  Solidago elongata Lowell Ahart 1974-8-15 604 Plumas Ravine, north of the dirt road, near Zumwalt Flat, about 1 mile north of Nelson Creek, about 20 miles north-east of La Porte. 1676 Comment
  CHSC99795  Solidago elongata Lowell Ahart 2008-8-13 15191 Plumas On the bottom of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Glass Valley Reservoir, about 4 miles (air) northeast of La Porte. 1598 Comment
  CAS-BOT-BC339790  Solidago multiradiata E. K. Balls 1950-9-8 15727 Plumas Lakes Center Public Campground, southern Plumas County 2042 Comment
  CHSC115840  Sorbus californica Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20420 Plumas On the west side of Blue Lake, 2710 feet north of Forest Service Road 29N18, 2.89 air-miles west-southwest of Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  UC555552  Sorbus californica H. L. Mason 1924-6-19 1072 Plumas Lake Region from Gold Lake to Bear Lake Comment
  HSC73019  Sorbus scopulina M. S. Taylor 1981-6-15 3903 Plumas N side of Silver Lake, 4 mi. NW of Meadow Valley 1829 Comment
  JEPS121383  Sorbus scopulina P. F. Zika & B. Wilson 2011-8-5 25720 Plumas Bucks Lake Road, 0.9 road miles E of Grizzly Summit Comment
  UCD94834  Sparganium emersum John Thomas Howell 1960-7-22 35869 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  JEPS108158  Sparganium natans L. P. Janeway 1994-8-24 4750 Plumas Northern High Sierra Nevada. Shallow pond in South Fork Rock Creek at Deanes Valley Campground 1298 Comment
  CDA13997  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 2 of 2 Comment
  CHSC33808  Sphenosciadium capitellatum M. S. Taylor 1981-7-17 4026 Plumas Ca. 1/4 mi E of Bear Lakes trailhead, Lakes Basin, ca. 6 mi S of Mohawk. 1950 Comment
  CHSC57116  Sphenosciadium capitellatum L. P. Janeway 1991-8-4 4129 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
  CHSC21518  Spiraea densiflora D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake. Comment
  CAS-BOT-BC149640  Spiraea douglasii George W. Gillett 1957-7-19 856 Plumas On trail to Sifford Lakes, about 1 1/4 miles above The Devils Kitchen 2057 Comment
  RSA59234  Spiraea douglasii E. K. Balls 1950-8-31 15536 Plumas Hwy 24. 1/2 mile N of Spanish Creek. Just N of Quincy. 1098 Comment
  SD51229  Spiraea douglasii D. F. Howe 1960-9-21 Plumas 6 miles north of Greenville on #89 1219 Comment
  UCD114049  Spiraea douglasii Collector unknown Date unknown s.n. Plumas location unknown. Comment
  CAS-BOT-BC152539  Spiraea splendens Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC102752  Spiranthes porrifolia Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16152 Plumas Meadow 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
  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-BC535256  Spirodela polyrhiza Robert J. Weatherby 1950-7-28 1485 Plumas Bridge over Indian Creek, road to Taylorville 1066 Comment
  CAS-BOT-BC5604  Spraguea pulcherrima A. A. Heller 1938-5-30 15132 Plumas Feather River near Bucks Creek power house 609 Comment
  SEINET3025826 Image available Spraguea pulcherrima A. H. Heller 1938-5-30 15132 Plumas Feather river near Bucks Creek power house. 610 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
  CHSC102124  Stachys ajugoides var. rigida Lowell Ahart; John Dittes 2009-7-27 16168 Plumas On damp to dry soil, on the small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC52072  Stachys ajugoides var. rigida L. P. Janeway 1989-7-12 3480 Plumas Along Jackson Cr; rd 23N11 2.3 mi from hwy 70/89, then 2.2 mi on rd 23N48 into Jackson Cr. 1783 Comment
  CHSC62118  Stachys ajugoides var. rigida L. P. Janeway 1993-6-30 4407 Plumas Along Hwy 70 in canyon of East Branch North Fork Feather River, 3.8 mi southwest of Hwy 89. 868 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
  SEINET9362994  Stachys rigida Unknown 2014-7-23 2014 -012 Plumas Gray Eagle Creek, Lakes Basin, Plumas National Forest Comment
  SEINET7977076  Stachys rigida var. rigida A. A. Heller, P. B. Kennedy 1907-7-8 8767 Plumas Near Greenville Comment
  CAS-BOT-BC181387  Stellaria calycantha Mary Strong Clemens 1920-8-1 s.n. Plumas Greenville Comment
  JEPS116102  Stellaria crispa Lowell Ahart, John Dittes 2009-7-28 16198 Plumas On wet soil and humus, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  CAS-BOT-BC391187  Stellaria longipes subsp. longipes John Thomas Howell 1951-6-27 27587 Plumas McRae Meadow 1981 Comment
  CAS-BOT-BC391181  Stellaria longipes subsp. longipes Anna Head 1921-7-17 s.n. Plumas Gray Eagle Meadow, Feather River Region Comment
  CDA3541  Stellaria nitens L. P. Janeway 1996-6-2 4977 Plumas Northern High Sierra Nevada; Soda Creek, along Road 25N22 200 feet northwest of Highway 70 and East Branch North Fork Feather River. 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
  CAS-BOT-BC375055  Stenotus acaulis E. Sawyer 1935-6-18 126 Plumas 5 miles south southeast of Crow, Plumas National Forest 1981 Comment
  CAS-BOT-BC5618  Stenotus acaulis A. A. Heller; P. B. Kennedy 1907-7-3 8696 Plumas Hills above Red Clover valley Comment
  CDA19249  Stenotus acaulis G. D. Barbe, T. C. Fuller 1982-6-17 3812 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  JEPS29560  Stephanomeria lactucina John Thomas Howell 1960-7-19 35681 Plumas Drakesbad Lassen Volcanic National Park 1676 Comment
  CAS-BOT-BC375614  Stephanomeria lactucina Anna Head 1921-8-16 s.n. Plumas Lake Center Camp, Feather River Region Comment
  SEINET11793727  Stephanomeria lactucina Unknown 1974-1 609 Plumas along Eureka Ridge, W of Johnsville, about 10 mi S of Sloat 1829 Comment
  RSA126588  Stephanomeria spinosa C. W. Hanks 1934-8-6 2 Plumas N end of Sierra Valley. 1555 Comment
  SJSU11267  Stipa lemmonii S. H. Casey 1980-6-18 1159 Plumas roadside, W side of Lake Almanor, State Route 89 1371 Comment
  SEINET10603858  Stipa lemmonii Frederick J. Hermann 1955-7-27 Hermann 11948 Plumas Arid, grassy sagebrush slope, school yard. Comment
  SEINET10867694  Stipa speciosa Billy Joe Cox 1969-8-18 Cox 3422 Plumas Collected from dry sagebrush desert. 1/2 mi W of Beckworh Pass. Comment
  UCSC000141