Search Results — 2000 specimen records retrieved (1622 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/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET11402662  Abies magnifica P. A. Lehenbauer 1931-4-22 n.a. Placer Above Carnelian Bay, Lake Tahoe Comment
  UCD22104  Acer glabrum Rex Palmer 1979-6-21 N 395 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC331011  Acer glabrum var. glabrum A. A. Heller 1917-6-19 12730 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC333261  Acer macrophyllum Marcus E. Jones 1882-6-28 3306 Placer Emigrant Gap Comment
  SD43608  Acer macrophyllum Darley F. Howe 1948-5-22 1822 Placer Placer Co 1220 Comment
  UC2046440  Achillea millefolium D. G. Kelch 2011-10-4 sn. Placer Grandlibakken Resort. Tahoe City Comment
  UC1133121  Achnatherum lemmonii G. T. Nordstrom 1934-6-21 134 Placer 4 mi wnw Mammoth Springs; Tahoe Natioanl Forest, Colfax quadrangle Comment
  UC1133125  Achnatherum lemmonii B. Bolt 1934-7-3 68 Placer top of Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UCD32814  Achnatherum lemmonii Beecher Crampton 1964-7-21 7125 Placer Placer County, one mile east of Cisco Grove, old US Hwy. 40. Comment
  UCD50463  Achnatherum lemmonii G. L. Stebbins Jr. 1941-7-16 3175 Placer Rocky ledges along U.S. Highway no. 40, 1 mile west of Cisco Grove. Placer County. 1706 Comment
  UCD50469  Achnatherum lemmonii A. A. Beetle 1941-5-26 2716 Placer Near Cisco. 914 Comment
  RSA0008969  Achnatherum lemmonii var. lemmonii Marcus E. Jones 1982-6-28 3298 Placer Emigrant Gap. Comment
  CAS-BOT-BC216415  Achnatherum lettermanii A. A. Heller 1917-8-14 12925 Placer Mount Lincoln, S of Summit Valley 2499 Comment
  SEINET232544 Image available Achnatherum nelsonii subsp. dorei Mary E. Barkworth, L Firestone 1987-8-20 4011 Placer Campground 0.7 mi south of I-80 to tahoe City; interchange at Truckee Comment
  SEINET255889 Image available Achnatherum nelsonii subsp. dorei Mary E. Barkworth, L Firestone 1987-8-20 4011 Placer Campground 0.7 mi south of I-80 to tahoe City; interchange at Truckee Comment
  CAS-BOT-BC210834  Achnatherum occidentale subsp. californicum G. W. Dunn No date on label s.n. Placer Emigrant Gap 1524 Comment
  UC1133084  Achnatherum occidentale subsp. californicum B. Bolt 1934-7-3 69 Placer Sawtooth Ridge, top of Tahoe National Forest, Colfax Quadrangle Comment
  UCD22218  Achnatherum occidentale subsp. californicum Beth Lowe Corbin 1982-8-12 336 Placer 1/3 mile NE of Onion Creek Campground. SW facing slope, 15% incline. Common. Partial sun. In organic, fine, sandy soil in opening in white fir forest. Perennial forming moderately small bunches. 1905 Comment
  RSA126821  Achnatherum occidentale subsp. occidentale H. S. Yates 1936-8-9 5982 Placer 1.5 mi SW of Martis Plc. 2348 Comment
  UC750542  Achnatherum occidentale subsp. occidentale Lewis S. Rose 1946-6-23 46193 Placer n of Cisco (Rainbow) 1737 Comment
  UCD21590  Achnatherum occidentale subsp. pubescens E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1253 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  CHSC73947  Acmispon americanus var. americanus Susi Urie 1998-9-1 98 -195 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  SEINET5327600  Acmispon americanus var. americanus W. D. Billings 1951-7-28 2134 Placer [Sierra Nevada] 20 mi. S. of Soda Springs. Comment
  JEPS55417  Acmispon argophyllus var. fremontii F. M. Essig 1916-6-17 Placer Cape Horn; U.P.R.R. Comment
  UCD36679  Acmispon brachycarpus Beecher Crampton 1955-6-15 2919 Placer Placer County, 8 miles west of Forest Hill. Comment
  UC1505786  Aconitum Robert T. Clausen and Harold Trapido 1940-7-13 4887 Placer 2 mi. w. Lake Tahoe (along Ward Creek); Sierra Nevada, Lake Tahoe Basin, Ward Creek 1905 Comment
  CDA16802  Aconitum columbianum G. F. Hrusa, J. Glazner 2001-7-15 15941 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2255 Comment
  UC465623  Aconitum columbianum J. A. DeCon 1900-8-5 453 Placer Tahoe, McKinneys Comment
  CAS-BOT-BC391457  Aconitum columbianum subsp. columbianum A. A. Heller 1917-8-13 12882 Placer Summit Valley 2118 Comment
  CAS-BOT-BC391460  Aconitum columbianum subsp. columbianum Alice Eastwood 1909-8-1 s.n. Placer Lake Tahoe Region. Ward Creek Comment
  UCD98571  Aconogonon davisiae Frederica Bowcutt 1994-7-22 1944 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  CDA6764  Acroptilon repens T. C. Fuller 1964-9-1 12572 Placer Sierra Nevada; North edge of freeway Interstate 80 from Donner Summit, 0.1 mile west of Blue Canyon Road. Comment
  CDA39088  Acroptilon repens Preston Neufeld 2013-7-1 PDR# 310 P06129930 Placer Along Interstate 80 near Drum Forebay exit. 0 Comment
  CHSC79552  Actaea rubra G. F. Hrusa; T. Scarano 1994-8-31 11914 Placer Sierra Nevada. Duncan Creek at base of grade below French Meadows Reservoir, 1/4 m. upstream from bridge. [Lat./long. on label is '39 8 N; 120 29 W']. 1500 Comment
  RSA463215  Adenocaulon bicolor J. H. Nishida 1985-7-10 790 Placer Homewood. 1829 Comment
  UCD21683  Adenocaulon bicolor Beth Lowe Corbin 1982-8-6 259 Placer 1/8 mile west of Onion Creek campground. In deep conifer duff. Open area near stream. Perennial herb. White flowers. Partial sun. SW facing slope, 10% incline. Occasional. 1844 Comment
  UCR173772  Adenostoma fasciculatum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10716 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  SACT000029  Aegilops triuncialis D. Meyer 1983-7-24 Placer Moist, shady roadside 1036.32 Comment
  UCD36676  Aegilops triuncialis Beecher Crampton 1955-5-27 2815 Placer Placer County, 5 miles northwest of Roseville. Comment
  CDA12385  Agastache urticifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8513 A Placer Lake Tahoe; Upper Ward Valley, 4 mi SW Tahoe City. Comment
  JEPS18790  Ageratina occidentalis L. S. Smith 1925-9-13 1730 Placer Deer Park Tahoe National Park, Deer Park 1950 Comment
  UC472273  Ageratina occidentalis Miss Helen D. Geis Jun 1 1912-Jul 1 1912 106 Placer Deer Park Comment
  UCD128555  Ageratina occidentalis R. Prag 1972-8-28 s.n. Placer Alpine Meadows Road. Comment
  CAS-BOT-BC15493  Agoseris X elata L. R. Abrams 1917-9-19 6780 Placer Lily Lake near Fallen Leaf Lake, Tahoe Comment
  UCD128584  Agoseris grandiflora G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10449 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along an unnamed road to Lake Clementine, 1.2 miles N of Forest Hill Road. 422 Comment
  SD81102  Agoseris retrorsa Darley F. Howe 1971-7-2 Placer Lake Tahoe, Eldorado National Forest Comment
  UC832675  Agoseris retrorsa Marcus E. Jones, A. M. 1882-6-30 2782 Placer Emigrant Gap Comment
  SACT000042  Agropyron desertorum D. Meyer 1984-5-27 Placer meadow surrounded by sagebrush type vegetation Comment
  SACT000044  Agropyron desertorum Michael Baad 1983-7-23 Placer Along Highway 267 on Southside of road. Elevation 1767.84 m Comment
  UCR201916  Agrostis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14036 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCR249607  Agrostis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20837 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UCD51699  Agrostis elliottiana Beecher Crampton 1957-5-7 3998 B Placer 1.7 miles east of Lincoln, on the road to Newcastle. Comment
  CDA15648  Agrostis exarata G. F. Hrusa, J. Glazner 1999-7-18 15215 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC74332  Agrostis exarata Susi Urie; Eric Schroder 1998-9-12 98 -370 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  SACT000100  Agrostis exarata D. Meyer 1984-8-12 Placer Ralston Ridge Rd 11.21 km from French Meadows. Very wet. Somewhat boggy. Grazed woody area. 1612.0 Comment
  SACT000101  Agrostis exarata D. Meyer 1984-7-29 Placer French Meadows roadside of reservoir. Moist shady north facing slope. 1612.0 Comment
  SEINET10268403  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 198895 Placer Northern Sierra Nevada Mountains: junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  UCD124129  Agrostis exarata Ellen Dean; Marcel Rejmanek 2012-10-9 7503 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD158903  Agrostis exarata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 s.n. Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD52340  Agrostis exarata N. French 1933-6-6 72 Placer near Newcastle. 304 Comment
  SACT000094  Agrostis exarata Josephine Van Ess 1976-6-11 Placer Dried streambank 27.4 Comment
  CHSC82677  Agrostis idahoensis Lowell Ahart 2002-7-22 9906 Placer Along a drainage, about 40 yards northwest of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1774 Comment
  RSA129599  Agrostis idahoensis B. Bolt 1934-8-14 175 Placer E. slope of Red Star Ridge 1768 Comment
  SACT000183  Agrostis idahoensis D. Meyer 1984-9-23 Placer Rocky Creek bed. very wet. 2121.0 Comment
  UCD42963  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 332 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR218131  Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16380 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UC1130757  Agrostis oregonensis B. Bolt 1934-8-14 178 Placer e slope Red Star Ridge; Tahoe National Forest, Truckee Quadrangle 1767 Comment
  UCD53249  Agrostis pallens E. Wilson 1934-8-5 s.n. Placer Near Cisco. Comment
  UCR170802  Agrostis pallens George K. Helmkamp, E. A. Helmkamp 2005-9-30 9939 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  SACT000158  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 Comment
  SACT000162  Agrostis scabra D. Meyer 1984-7-29 Placer South of reservoir; moist, shady north-facing slope 1612.0 Comment
  UCD53327  Agrostis scabra B. Crampton 1955-7-13 2984 Placer along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  JEPS45798  Agrostis stolonifera Eleanor Armstrong 1932-9-9 205 Placer 6 mi e Truckee 1371 Comment
  UCD75937  Agrostis stolonifera Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5165 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail between creek and trail. 2136 Comment
  SACT000222  Agrostis tenuis D. Meyer 1984-6-23 Placer 0.96 km from i80 Frontage Rd, shady hillside with oak and douglas fir. 978.0 Comment
  SACT000247  Agrostis variabilis D. Meyer 1983-8-20 Placer Collected from the road to summit of trail at 1st lake. Steep rocky trail with moist meadow areas. 2000.0 Comment
  SACT000249  Agrostis variabilis Michael Baad 1983-8-27 Placer Trail btw Lower Loch Leven Lake and Salmon Lake 2072.64 Comment
  UCD22257  Agrostis variabilis Beth Lowe Corbin 1982-8-18 372 Placer 1 1/4 miles SW of The Cedars. NE facing slope, 10% incline. Mostly sun. Occasional. Opening in white fir forest in rocky, fine, sandy, granitic soil. Perennial forming very small tufts. 1813 Comment
  UCD55628  Agrostis variabilis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  CAS-BOT-BC64489  Ailanthus altissima Elizabeth McClintock 1969-5-31 s.n. Placer E. of Auburn. Comment
  UC790971  Aira caryophyllea A. A. Beetle 1941-5-26 2710 Placer hillside near Cisco 914 Comment
  UCD55713  Aira caryophyllea Beecher Crampton 1953-4-13 1098 Placer 1 mile north of Lincoln, along railroad property. Comment
  SEINET10509650  Aira caryophyllea Alan A. Beetle 1941-5-26 Beetle 2710 Placer Near Cisco. 914 Comment
  CAS-BOT-BC138376  Aira caryophyllea var. caryophyllea Peter H. Raven 1954-4-16 6605 Placer 7 miles south of Lincoln on road to Roseville. Comment
  CAS-BOT-BC445326  Alisma lanceolatum L. R. Abrams 1917-9-15 6760 Placer 3-5 mi above Auburn Comment
  OBI60155  Alisma triviale David J. Keil, with Kathleen A. Keil 1999-7-17 28380 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  RSA35118  Allium campanulatum L. S. Rose 1944-7-13 44106 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UCD158862  Allium obtusum G. Ledyard Stebbins 1971-7-25 8047 Placer 0.5 mile north of summit of Snow Mountain, south of Soda Springs. (Exact location unknown. Coordinates estimated by label maker.) 2346 Comment
  UC635251  Allium obtusum H. L. Mason 1933-5-28 7242 Placer Pyramid Creek, Placerville Road 1905 Comment
  POM110112  Allium obtusum var. obtusum Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  CAS-BOT-BC474085  Allium platycaule John Thomas Howell 1943-7-21 18653 Placer Donner Pass at Mt. Lincoln Comment
  CAS-BOT-BC476705  Allium validum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadoes 1600 Comment
  JEPS127512  Allophyllum integrifolium Steve Matson 1997-6-15 2 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  SEINET14440331  Allophyllum integrifolium B. Bolt 1934-7-10 93 Placer 2 miles S of Huysink Lake. Comment
  UC702547  Allophyllum integrifolium L. S. Rose 1941-7-8 41291 Placer Lake Tahoe, Chambers Lodge (McKinney) 2100 Comment
  POM74363  Allophyllum integrifolium Marcus E. Jones 1889-7-11 10184 Placer Emigrant Gap. Comment
  UC193303  Allotropa virgata C. F. Sonne 1887-7-10 Placer Pine woods on Truckee River near Tinkers Knob 2590 Comment
  UC1076422  Alnus incana subsp. tenuifolia Herbert L. Mason 1929-10-14 5461 Placer 1 mi above Cisco Comment
  UC1093925  Alnus incana subsp. tenuifolia Herbert L. Mason 1929-10-4 5461 Placer on Hwy 40 1 mi n Cisco Comment
  UCD43135  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 503 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SACT002782  Alnus tenuifolia Michael Baad 1983-8-11 Placer Collected on trail from Five Lakes Basin to Whiskey Camp. 3 miles west of Alpine Meadows. Comment
  SACT002784  Alnus tenuifolia Michael Baad 1977-6-2 Placer Collected north facing slope in mixed coniferous forest. 853.0 Comment
  SD43609  Alnus tenuifolia Darley F. Howe 1948-5-22 1823 Placer unknown 1705 Comment
  CAS-BOT-BC13677  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Along US Highway 40 east of AUburn, at Bowman Comment
  JEPS44681  Amelanchier Katharine Brandegee Jul 1908 Placer Alta Comment
  SEINET6190530  Amelanchier pallida A. Urrutia 1960-3-19 s.n. Placer North fork American River 3 miles south of Auburn, HWY 49 457 Comment
  CAS-BOT-BC136767  Amelanchier utahensis A. A. Heller 1917-6-19 12729 Placer Emigrant Gap 1615 Comment
  UC481572 Image available Amelanchier utahensis G. W. Fetters 1929-6-20 Placer Homewood; Lake Tahoe Comment
  POM118157  Amorpha californica H. M. Hall, F. M. Essig, C. C. Hall 1916-6-5 202 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada. 400 Comment
  UC479941  Amsinckia Katharine Brandegee May 1883 Placer between Salmon Falls and Auburn; Alabaster Cave Comment
  CHSC96504  Amsinckia eastwoodiae Lowell Ahart; Brian Williams 2007-4-13 13670 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln. 37 Comment
  UCR222550  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2010-4-17 15895 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area 305 Comment
  CDA40477  Amsinckia intermedia T. C. Fuller 1966-5-11 14630 Placer Growing grounds of California Nursery, Loomis. 0 Comment
  UCR231872  Amsinckia menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2011-4-10 17137 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCR123376  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 1999-6-29 5055 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  UCR218467  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16390 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CDA16050  Anaphalis margaritacea G. F. Hrusa, J. Glazner 2000-9-3 15661 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  SACT000288  Andropogon virginicus Josephine Van Ess 1975-11-5 Placer Permanent stream to Linda Creek 94.5 Comment
  UC1153926  Andropogon virginicus var. virginicus Beecher Crampton 1957-5-7 3999 Placer US Hwy 40 ca 3 mi e Auburn (2 mi w of Clipper Gap); w of Clipper Gap Comment
  CAS-BOT-BC128576  Androsace occidentalis Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  UC853532  Anemone drummondii Alice Eastwood Jun 15 1912-Jun 19 1912 379 Placer Lake Tahoe Region, Deer Park Comment
  POM99994  Anemone drummondii Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  UCR233459  Angelica George K. Helmkamp, E. A. Helmkamp 2011-8-26 18181 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  SD243059  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2010-7-28 16680 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13 / American Hill Road. Burn area north of the road. 1662 Comment
  UCD21840  Angelica breweri Beth Lowe Corbin 1982-8-12 330 Placer Onion Creek campground. In wet soil along streambank. Perennial herb 2 1/2' high. Flowers whitish. Full sun. SW facing slope, 5% incline. Occasional. 1841 Comment
  UCR209744  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2009-8-12 15437 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  UC147604  Antennaria argentea Harriet A. Walker 1908-6-23 1358 Placer Blue Canon 1432 Comment
  JEPS111254  Antennaria dimorpha Steve Matson 2005-6-12 1267 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of powerline, 300 meters NW of Golf Course; 39.2981 N, 120.1258 W; Elevation 5835 ft. 1778 Comment
  JEPS126323  Antennaria dimorpha Steve Matson 2001-5-28 485 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; due south of Highway 267. Comment
  JEPS126309  Antennaria luzuloides subsp. luzuloides Steve Matson 2000-6-17 432 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  UC197220  Antennaria media C. F. Sonne 1897-7-1 Placer e slope Mt. Anderson 2438 Comment
  UCD21686  Antennaria rosea Rex Palmer 1979-7-26 N 889 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS111190  Antennaria rosea subsp. rosea Steve Matson 2005-7-4 1358 Placer Martis Valley, southeast of Truckee, National Recreation Area , south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; near trailhead; 39.2923 N, 120.1291 W. Elevation 5,900 ft. 1798 Comment
  SEINET9340643  Antennaria umbrinella Unknown 1999-7-17 15131 Placer Placer Comment
  CDA1723  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Sierra Nevada Mtns.; near Cisco, Elev. 3000 ft. Comment
  SACT000337  Anthoxanthum odoratum Michael Baad 1983-7-1 Placer .3 mile north of Blue Canyon Inn on road to I 80 along stream. 1584.96 Comment
  UCD56275  Anthoxanthum odoratum Beecher Crampton 1955-6-15 2863 Placer 3 miles east of Weimar. Comment
  UCR133556  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Sierra Nevada Mtns., near Cisco, 'El. 3000 ft. 1829 Comment
  SEINET10967848  Anthoxanthum odoratum Alan A. Beetle 1941-5-26 Beetle 2719 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Melica californica, Stipa lemmoni. 914 Comment
  UCD127200  Anthriscus caucalis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  JEPS83005  Antirrhinum leptaleum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, Daniel Zohary, Fritz Ehrendorfer et al. 1952-7-20 3874 Placer 6 mi e Iowa Hill (just s of Shirttail Public Camp); Tahoe National Forest 1097 Comment
  SEINET3854170 Image available Antirrhinum vexillo-calyculatum subsp. intermedium Marcus E. Jones 1882-7-3 3426 Placer Colfax Comment
  SEINET6329792  Aphanes occidentalis F. Martin 1962-3-16 55 Placer 2 miles east of Auburn, above the north fork of the Yuba River 274 Comment
  UC878846  Apocynum androsaemifolium A. A. Heller 1917-8-13 12902 Placer cliff n. of Summit hotel 2164 Comment
  UCR206595  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15208 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  CAS-BOT-BC397898  Aquilegia formosa Mrs. M. M. Hardy 1893-1-1 s.n. Placer Placer County Comment
  CHSC74251  Aquilegia formosa Susi Urie; Eric Schroder 1998-9-8 98 -303 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CAS-BOT-BC397896  Aquilegia formosa R. K. Wellman 1981-5-15 034 Placer Highway 89 4.5 mi. N. of Truckee. 1676 Comment
  CAS-BOT-BC397899  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  POM99522  Aquilegia formosa var. truncata Marcus E. Jones 1882-6-28 2614 Placer Emigrant Gap. Comment
  UC1601421  Arabis rectissima var. rectissima Katharine Brandegee Placer Tahoe Tavern Comment
  SEINET12616242  Arabis rigidissima K. Christie 2011-8-30 2082 Placer Lake Tahoe Basin Management Unit (LTBMU); from Brockway Summit, ca. 2.0 mi. east along forest service road towards Martis Peak; ca. 1.25 mi. southwest of Martis Peak. Comment
  UC1085346  Arceuthobium americanum Job Kuijt 1957-5-18 1332 Placer 3.5 mi n Tahoe City (on Hwy 89) 1798 Comment
  CAS-BOT-BC409996  Arceuthobium campylopodum Catherine Best 1985-9-15 1151 Placer edge of Sugar Pine Reservoir, about 6 miles N of Foresthill 1158 Comment
  CAS-BOT-BC24209  Arctostaphylos John Thomas Howell 1976-7-18 51932 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  UCR241358  Arctostaphylos manzanita George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19817 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  JEPS14033  Arctostaphylos mewukka Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3880 Placer n-facing serpentine slope just s Shirttail Public Camp (nr. headwaters of Shirttail Creek, 6 mi e of Iowa Hill); Tahoe Nat. Forest 1127 Comment
  SEINET7258492  Arctostaphylos mewukka W. Priest 1956-3-27 s.n. Placer About 1/4 mile east of Colfax 1067 Comment
  UC205109  Arctostaphylos nevadensis Katharine Brandegee 1905-8-8 Placer Alta Gr<ade?> Comment
  UC412748  Arctostaphylos nevadensis W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Cascade Mts. Vicinity of Lake Tahoe 1897 Comment
  CAS-BOT-BC42105  Arctostaphylos patula Alice Eastwood 1912-6-15 492 Placer Lake Tahoe Region - Deer Park Comment
  UC1120769  Arctostaphylos patula G. T. Nordstrom 1934-6-21 135 Placer 2 mi ne Mammoth Springs; Tahoe National Forest, Colfax Quadrangle Comment
  SEINET7268702  Arctostaphylos viscida J. Ridley 1959-3-29 2 Placer 3 miles south of Auburn on Highway 49. 442 Comment
  CAS-BOT-BC47063  Arctostaphylos viscida subsp. viscida W. R. Dudley 1909-8-16 s.n. Placer Dutch Flat. Comment
  POM209626  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-12 A- 2 Placer 3 miles above Colfax. Comment
  RSA637024  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24920 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  UC1121446  Arctostaphylos viscida subsp. viscida N. French 1933-8-24 94 Placer Mosquito Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UC194945  Arctostaphylos viscida subsp. viscida H. M. Hall 1916-6-20 10216 Placer near Applegate; Sierra Nevada Mountains, Pinecrest 731 Comment
  UC484000  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1930-10-11 1733 Placer near Alta 1127 Comment
  UC565982  Arctostaphylos viscida subsp. viscida N. French 1934-6-1 396 Placer n fork of North Fork of America River Colfax Quadrangle 1402 Comment
  JEPS59461  Arenaria kingii var. glabrescens Ezra Brainerd and Viola B. Baird 1915-6 197 Placer above Deer Park; Sierra Nevada Mts. Comment
  SACT000297  Aristida oligantha Josephine Van Ess 1976-4-15 Placer Collected on Courtnew Road South of the lake; gravel roadside, very dry 103.7 Comment
  SBBG115628  Aristida oligantha B. Crampton 1961-9-27 5995 Placer ca. 1 mi W of Auburn, along US Hwy 40 Comment
  CAS-BOT-BC400409  Aristolochia californica J. W. Congdon 1894-4-4 s.n. Placer Auburn Comment
  UC543761  Aristolochia californica Charles L. Phillips 1928-3-25 Placer Auburn Comment
  UCD44624  Arnica chamissonis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1990 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  POM252782A  Arnica ciliaris C. F. Sonne 1896-8-2 s.n. Placer Tahoe Comment
  CAS-BOT-BC82320  Arnica cordifolia M. E. Parsons 1910-7-31 s.n. Placer [Aspengrove] Aspen Grove, Lake Tahoe Comment
  SBBG128842  Arnica dealbata G. K. Helmkamp, E. A. Helmkamp 2010-8-14 16778 Placer American Hill Rd, (Forest Route 13), 4.7 mi S of its jct with Foresthill Rd and just S of a crk crossing 1552 Comment
  UC84125  Arnica dealbata C. F. Sonne July 1895 Placer road to Lake Tahoe Comment
  UCD21794  Arnica dealbata Beth Lowe Corbin 1982-8-19 380 Placer 1 1/2 miles south of The Cedars. 1874 Comment
  CAS-BOT-BC295823  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer Near Pole Creek on Truckee River Comment
  UC91127  Arnica lanceolata subsp. prima C. F. Sonne 1886-8-16 Placer 2590 Comment
  CAS-BOT-BC82684  Arnica longifolia C. F. Sonne 1885-8-23 191 Placer East slope [Anderson's] Anderson Peak, S. of Summit Station 2743 Comment
  JEPS35909  Arnica longifolia L. S. Smith 1931-7-15 2608 Placer Tahoe National Forest 2621 Comment
  UC193595  Arnica longifolia C. F. Sonne 1885-8-23 Placer n of Tinker's Knob ((e slope Anderson's Peak)); Anderson's Peak Comment
  CAS-BOT-BC85174  Arnica mollis F. Almeda 1993-7-25 7295 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass. 1920 Comment
  HSC33422  Arnica mollis Thomas W. Nelson, James Nelson 1974-6-17 1372 Placer Dollar Point N of Lake Tahoe City 1585 Comment
  UCD43098  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 466 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  POM51123  Arnica parryi subsp. sonnei C. F. Sonne 1886-07 s.n. Placer Woods on Truckee River Comment
  RSA122487  Artemisia arbuscula subsp. arbuscula B. Bolt 1934-8-23 197 -241 Placer Divide between Picayune and Grayhorse. 2439 Comment
  JEPS126330  Artemisia douglasiana Steve Matson 2003-6-29 818 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards north of Highway 267 and along west side of Martis Creek. Comment
  UCD21691  Artemisia douglasiana Rex Palmer Date Unknown N 888 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC90716  Artemisia ludoviciana subsp. incompta John Thomas Howell 1943-7-26 18856 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  UC193585  Artemisia norvegica subsp. saxatilis C. F. Sonne Placer mts. head of Bear Creek (on Truckee River); Truckee River, Bear Creek Comment
  UC1119428  Artemisia rothrockii N. French 1934-6-22 462 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  UCD21693  Artemisia rothrockii Rex Palmer 1979-6-9 N 140 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UC1119437  Artemisia spiciformis B. Bolt 1934-7-16 113 Placer 1 1/2 mi sse Heath Springs (on Plot 206); Tahoe National Forest, Truckee Quadrangle Comment
  UC480756  Artemisia tridentata W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  UCD21696  Artemisia tridentata Beth Lowe Corbin 1982-8-24 412 Placer 2 1/4 miles south of The Cedars. In fine, sandy, rocky soil. Open Red Fir forest. Shrub to 2' high. Flowers yellow. Foliage aromatic. Mostly sun. NW facing slope, 40% incline. Commmon. 2164 Comment
  CAS-BOT-BC400622  Asarum hartwegii A. A. Robson 1915-5-8 221 Placer Tahoe National Forest Comment
  SCFS5097  Asclepias cordifolia F. Felix, Erica Krimmel 2013-5-19 17 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  UCD121247  Asclepias cordifolia John F. Addicott 1965-5-15 83 Placer 2 miles from Colfax on road to Owl Hill. 548 Comment
  CHSC74191  Aster alpigenus var. andersonii Susi Urie 1998-9-2 98 218 B Placer Lake Tahoe Basin Management Unit - National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCR209735  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2009-8-12 15429 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  POM57806  Aster occidentalis C. F. Sonne 1897-07 12321 Placer Canyon above Coldstream Comment
  RSA714090  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9983 Placer Northern Sierra Nevada Mts.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca. 2.2 miles west of CA Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR209728  Aster radulinus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15453 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  SEINET5324976  Astragalus andersonii F. H. Hillman s.n. Placer Between Truckee and Tahoe Comment
  UC1128745  Astragalus bolanderi N. French 1934-6-19 427 Placer 1/4 mi w Devils Peak; Truckee Quad., Tahoe National Forest, w of Devils Peak Comment
  UC170027  Astragalus whitneyi Miss Helen D. Geis 52 Placer Deer Park The crags, Deer Park (The Crags) Comment
  CAS-BOT-BC69563  Athyrium alpestre subsp. americanum M. E. Parsons 1911-8-19 s.n. Placer Page Meadow, Lake Tahoe. Comment
  POM121068  Athyrium filix-femina subsp. cyclosorum Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC66086  Athyrium filix-femina var. cyclosorum M. N. Ackley 1926-6-1 71 Placer Bear Valley, Sierra Nevada 1371 Comment
  CAS-BOT-BC17414  Athysanus pusillus A. A. Heller 1917-6-17 12693 Placer Near the Yuba River below Cisco. 1676 Comment
  SACT000358  Avena barbata Michael Baad 1983-5-5 Placer Southeast of junction with Canyon Way Road. Four miles South of Colfax. 548.64 Comment
  SACT000364  Avena barbata Michael Baad 1977-6-8 Placer on Ralston Ridge Road 487.68 Comment
  SACT000420  Avena sativa D. Meyer 1984-7-9 Placer pear and plum orchard 206.0 Comment
  UC30517  Balsamorhiza sagittata J. Burtt Davy Jun 25 1897-Jun 30 1897 3272 Placer between Truckee and Tahoe Truckee River Basin Comment
  UCD21699  Balsamorhiza sagittata Rex Palmer 1979-6-9 N 160 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC11065  Barbarea orthoceras Lowell Ahart 1969-7-30 Placer Ahart Camp, French Meadows. 1524 Comment
  CHSC72870  Barbarea orthoceras L. P. Janeway; Eric Schroder 1998-7-13 5758 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD63142  Barbarea orthoceras A. M. Shapiro 2007-6-13 s.n. Placer California. Placer County: Along railroad tracks near Soda Springs. 2115 Comment
  CAS-BOT-BC16550  Barbarea orthoceras Lewis S. Rose 1944-7-25 44261 Placer Lake Tahoe. Chambers Lodge. 1920 Comment
  CHSC96575  Bellardia trixago L. P. Janeway 2006-5-10 8594 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. 43 Comment
  UC1192171  Bidens frondosa Malcolm A. Nobs 1948-9-25 687 b Placer 9 mi n of Auburn (Rock Creek Highway 49); Rock Creek, Highway 49 Comment
  RSA655456  Blennosperma nanum Beecher Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  CAS-BOT-BC16272  Boechera howellii John F. Emmel 1971-7-11 377 Placer 0.3 air mile east of east side of Lake Mary, between Donner Pass and Mount Judah. 2286 Comment
  UCD42946  Boechera howellii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 315 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD22340  Boechera pendulocarpa Rex Palmer 1979-6-9 N 133 Placer Headwaters basin area of the North Fork of the American River. 2438 Comment
  CHSC98394  Boechera rectissima Dean Wm. Taylor 2005-7-15 19410 Placer Martis Peak; saddle 0.5 air miles E of the summit along Murphys Meadow Road. 2560 Comment
  SEINET3162685  Boechera rectissima C. D. Bailey 2004-7-15 253 Placer Eagle Rock trail, ca. 7 miles south of Tahoe City on hwy 89 to Emerald Bay; roughly 1/4 mi. from the trailhead 1825 Comment
  CAS-BOT-BC25704  Boechera sparsiflora John Thomas Howell 1925-5-27 1091 Placer Lake Tahoe. Emerald Bay Camp. 1889 Comment
  UCR200862  Boykinia major George K. Helmkamp, E. A. Helmkamp 2008-9-15 14115 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  POM147868  Boykinia occidentalis J. B. Feudge 1927-6-18 1677 Placer W of Emigrant Gap. 1524 Comment
  UCD13303  Boykinia occidentalis Thomas G. Lowrie 1973-6-3 71 Placer Placer CO. Mosquito Ridge road. Comment
  SEINET5340935  Brassica rapa W. D. Billings 1939-3-19 1197 Placer 7 miles northwest of Auburn. Comment
  UCD129631  Brickellia californica G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12961 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road 6 miles east of Foresthill. 610 Comment
  UCR190583  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2007-9-14 12961 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  SEINET7379423 Image available Brickellia californica F. Emmerich 1980-9-20 s.n. Placer North Fork of the Middle Fork of the American River 366 Comment
  UCD21701  Brickellia greenei Beth Lowe Corbin 1982-8-5 255 Placer Placer County11:08:39 AM Onion Creek campground. 1841 Comment
  CDA36920  Briza minor CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  HSC82269  Briza minor Thomas W. Nelson, Jane P. Nelson 1979-4-11 4596 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UC618204  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  RSA670102  Brodiaea coronaria Juanita Bacey 1998-5-9 5 Placer Roseville. 0.5 miles SW of intersection of Hwy 65 and Stanford Ranch Road. 69 Comment
  RSA670113  Brodiaea coronaria Regina Putman 1997-4-19 5 Placer City of Rocklin, in grassy field N of Toys-R-Us. 70 m W of the end of Five Star Blvd. 67 Comment
  UCD77164  Brodiaea coronaria Robert E. Preston 2003-5-25 2146 Placer Ca. 2.3 mi NW of Roseville, along Phillip Rd, 1.25 mi W of its jct with Fiddyment Rd 32 Comment
  UC194939  Brodiaea elegans subsp. elegans H. M. Hall 1916-6-21 10217 Placer below Applegate; Sierra Nevada Mountains, Lake Theodore Comment
  CAS-BOT-BC484262  Brodiaea elegans var. elegans R. F. Hoover 1965-6-24 9450 Placer 2 mi. n. of Auburn on road to Grass Valley (Highway 49) Comment
  UCD77208  Brodiaea nana Robert E. Preston 2004-4-25 2224 Placer Ca. 2.6 mi SE of Sheridan, along Nader Rd. 41 Comment
  SACT000378  Bromus breviaristatus Michael Baad 1976-8-7 Placer transect from Bear Lake to ridge northest of lake overlooking Cothurin Cove to the southwest 2072.0 Comment
  RSA363421  Bromus carinatus A. A. Beetle 1941-5-26 2718 Placer Near Cisco 915 Comment
  SEINET3922009  Bromus carinatus Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; Mark Bibbo; T. Sasaki; J. Poloske 2008-7-19 5152 Placer Donner State Park, newly acquired lands to the SE of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  UCD58160  Bromus carinatus Frederica Bowcutt 1994-7-22 1951 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp on ridge SE of pond site. 2438 Comment
  UCD74178  Bromus carinatus Jennifer W. Burt 2005-7-17 41 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 2020 Comment
  UCD59165  Bromus carinatus var. marginatus L. S. Smith 1916-6-27 647 Placer Squaw Valley. Comment
  UCD59203  Bromus carinatus var. marginatus L. S. Smith Date Unknown 514 Placer Squaw Valley. Comment
  UCD59209  Bromus carinatus var. marginatus August L. Hormay 1932-7-8 s.n. Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  CAS-BOT-BC156283  Bromus catharticus John Thomas Howell; Gordon H. True 1968-6-9 44512 Placer Sierra Nevada. Alta. 1066 Comment
  CAS-BOT-BC155985  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  UCD80535  Bromus diandrus CNPS SN Foothill Team 2005-4-11 SNFN 0103 a Placer Placer Legacy, Spears/Didion Ranch, above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  UCR258398  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-3-21 22632 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  SACT000563  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-7-3 Placer 5.4 miles north of Foresthill Road 1234.44 Comment
  UCR241722  Bromus inermis George K. Helmkamp, E. A. Helmkamp 2012-9-25 19922 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  SACT000595  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Garden Bar Rd. collected in woodland area. Shaded slope. Heads nodding. Comment
  SACT000596  Bromus laevipes D. Meyer 1984-6-3 Placer dam lookout 224.0 Comment
  SACT000600  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Comment
  SEINET3817934 Image available Bromus laevipes George K. Helmkamp, E. A. Helmkamp 2012-5-5 18910 Placer Northern Sierra Nevada Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi SE (123degrees) of Clementine Dam on the American River (Auburn 7.5' Q. 396 Comment
  UCD58912  Bromus laevipes Beecher Crampton 1955-6-15 2916 Placer 6 miles west of Forest Hill. Comment
  UC1131198  Bromus madritensis subsp. rubens C. R. Clar 1933-10-5 137 Placer e of Lincoln 60 Comment
  SACT000584  Bromus mollis D. Meyer 1983-5-15 Placer moist roadside ditch, next to cultivated field 19.812 Comment
  CAS-BOT-BC162163  Bromus orcuttianus Peter H. Raven 1956-8-4 9999 Placer Sierra Nevada. 1.0 mile from Blue Canyon on road to Emigrant Gap. Comment
  LA13781  Bromus orcuttianus B. Bolt; 1934-7-3 75 Placer top of Sawtooth Ridge 1219 Comment
  SEINET3923248  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Blue Canyon.; 0 1430 Comment
  UCD59067  Bromus orcuttianus L. S. Smith 1916-6 627 Placer Squaw Valley. 2042 Comment
  SEINET4391133  Bromus rigidus A. Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-1 606 Placer One mile north of Lincoln.; 0 Comment
  CAS-BOT-BC161976  Bromus rubens Peter H. Raven 1954-4-16 6603 Placer 7 miles south of Lincoln on road to Roseville. Comment
  SACT000723  Bromus rubens Michael Baad 1977-6-8 Placer On Forest HIll to French Meadows Road, slate outcrop 731.52 Comment
  CAS-BOT-BC161587  Bromus sterilis Saichi Kawahara 1969-5-25 887 Placer North of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  CDA16985  Bromus sterilis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16038 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SACT000678  Bromus sterilis Michael Baad 1983-4-17 Placer descending to middle fork of the American River. serpetine outcrop. 411.48 Comment
  CAS-BOT-BC161571  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mount Lincoln south of Summit Valley. 2499 Comment
  CDA16033  Bromus suksdorfii G. F. Hrusa, J. Glazner 2000-9-3 15680 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. Abies concolor, A. magnifica, Pinus monticola, P. contorta forest with dense herbaceous understory. Common, cutover understory, in openings. 2164 Comment
  SACT000768  Bromus tectorum Michael Baad 1977-6-8 Placer Forest Hill and French Meadows roadside in serpentine and chaparral community Comment
  UCR68416  Bromus tectorum var. glabratus T. R. Van Devender, R. K. Van Devender 1990-6-4 90- 71 Placer Sierra Nevada Mtns., Tahoe National Forest, Prosser Lake. 3 mi north of Truckee on Hwy 89 1768 Comment
  SACT000772  Bromus tectorum var. tectorum D. Meyer 1983-6-25 Placer 1418.0 Comment
  JEPS103535  Bulbostylis capillaris Lowell Ahart 2002-7-22 9908 Placer Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  SEINET10867417  Calamagrostis bolanderi A. Arthur Heller 1903-8-10 Heller 7180 Placer Above Donner Pass. 2286 Comment
  UC148340  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer above Donner Pass 2286 Comment
  CHSC74465  Calamagrostis canadensis Susi Urie; Eric Schroder 1998-9-11 98 -338 Placer Lake Tahoe Basin-National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  JEPS42836  Callitriche marginata W. L. Jepson 1938-4-5 18578 a Placer Sacramento to Auburn Comment
  CHSC73939  Callitriche verna Susi Urie 1998-8-19 98 -087 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCR235615  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18912 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  UCD21610  Calochortus leichtlinii E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1279 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. Open W-facing granite slope, ascending ridge. 2300 Comment
  CAS-BOT-BC483467  Calochortus minimus E. A. McGregor 1909-8-18 163 Placer Desolation Valley, Lake Tahoe region 2286 Comment
  SEINET4169894  Calochortus monophyllus L. Constance, J. L. Morrison 1938-4-30 2172 Placer At east edge of Applegate, Sierra Nevada Foothills 610 Comment
  UCD139566  Calochortus monophyllus J. L. Wirka 1995-5-19 s.n. Placer approximately one from the trailhead of the Steven's Trail that descends the north fork of the American River Canyon outside of Colfax south of 1-80. 400 Comment
  CAS-BOT-BC493404  Calochortus monophyllus Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SD62151  Calochortus nudus Darley F. Howe 1965-5-21 Placer Canyon on south side of north fork of American River, between Forest Hill and Yankee Jims. 914 Comment
  SD62109  Calochortus venustus Darley F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. 456 Comment
  SDSU6417  Calycadenia multiglandulosa D. F. Howe 1964-7-26 3872 Placer Auburn. Comment
  UC912594  Calycadenia multiglandulosa H. L. Mason 1929-10-4 5455 Placer 2.4 mi below Weimar Comment
  CAS-BOT-BC270650  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer 0.3 mile N of Weimar P.O. 685 Comment
  UC146080  Calycadenia truncata Katharine Brandegee 1908-7-1 Placer Cape Horn Comment
  UC89044  Calycadenia truncata K. Brandegee 1889-7-6 Placer near Alta; Towles Comment
  POM29893  Calycadenia truncata subsp. truncata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UCR240905  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19228 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UCR242332  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16657 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  CHSC10553  Calyptridium umbellatum Lowell Ahart 1962-7-14 Placer French Meadows. 1676 Comment
  SCFS1099  Calystegia malacophylla E. Krimmel 2013-5-19 Placer Dry slope. 0.5-miles east of Heath Falls Overlook, on trail Comment
  CAS-BOT-BC221212  Calystegia malacophylla subsp. malacophylla Marcus E. Jones 1882-6-28 3299 Placer Emigrant Gap Comment
  SBBG117361  Calystegia malacophylla subsp. malacophylla B. Crampton 1972-7-26 8846 Placer Carpenter Flat E of Emigrant Gap, above Laings rd 1615 Comment
  SEINET13203118 Image available Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Amy Barnes 2014-1 22779 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  UCR173738  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10706 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  CAS-BOT-BC418637  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff; K. Van Zuuk; B. Ertter 2012-6-12 22053 Placer Tahoe National Forest, 7.5 miles NE of Foresthill, on Finning Mill Road 5.6 miles from Foresthill Divide Road 1098 Comment
  UC1965410  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22052 Placer Tahoe National Forest, 7.9 miles NE of Forest Hill, on Sugar Pine Road 3.6 miles from Forest Hill Road, directly opposite Park Flat OHV staging area Comment
  SEINET8197924  Camassia quamash P. A. Lehenbauer 1932-6-12 s.n. Placer Highway between Truckee and Lake Tahoe. Comment
  JEPS59465  Camassia quamash subsp. breviflora Ezra Brainerd and Viola B. Baird Jun 26 1915-Jul 5 1915 202 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1920 Comment
  POM259053  Camissonia subacaulis J. T. Howell 1938-8-2 13991 Placer 5 miles north of Brockway. Comment
  UCR231838  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-14 16783 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  SEINET10463036  Campanula prenanthoides Wiegand 1921-8-26 WIEGAND 2397 Placer Blue Canyon, Donner Pass road 1219 Comment
  SEINET5341002  Capsella bursa-pastoris A. Tiehm, H. Mozingo; M. Williams; E. McPherson 1975-1 619 Placer One mile north of Lincoln. Comment
  CHSC32008  Cardamine L. Ahart 1973-3-29 187 Placer Near Forest Hill. 457 Comment
  JEPS126374  Cardamine breweri Steve Matson 1998-6-1 276 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 70 yards east of Boundary Fence, along East Martis Creek. Comment
  SEINET5341059  Cardamine integrifolia B. Rice 1941-3-10 s.n. Placer Near Colfax. Comment
  CAS-BOT-BC37856  Cardamine oligosperma Carl B. Wolf 1937-3-30 8347 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  RSA20884  Cardamine oligosperma C. B. Wolf 1937-3-30 8347 Placer Sacramento Valley, 4.8 mi. E of Lincoln on Penryn Rd. 91 Comment
  UCD42975  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 344 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43141  Carex angustata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 509 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  RSA0115164  Carex angustata Lyman Benson 1942-7-2 11266 Placer Highway junction 1 mile west of Truckee. Mt. Range: Sierra Nevada. Comment
  UCD44715  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2081 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC18025  Carex athrostachya R. F. Hoover 1967-9-5 10839 Placer Carnelian Bay, Lake Tahoe. Comment
  CHSC74284  Carex athrostachya Susi Urie 1998-8-29 98 -173 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD43227  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 596 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43369  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 737 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD75942  Carex athrostachya Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5181 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  CAS-BOT-BC19395  Carex bolanderi Marcus E. Jones 1882-6-29 3535 Placer Emigrant Gap. Comment
  CHSC85708  Carex brainerdii G. F. Hrusa; J. Glazner 1999-7-17 15184 a Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC34209  Carex canescens L. S. Smith 1927-8-11 2199 Placer Tahoe National Forest. Squaw Valley. 1889 Comment
  JEPS49031  Carex canescens Leland S. Smith 1927-8-11 2199 Placer Squaw Valley 1889 Comment
  JEPS109406  Carex davyi D. W. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada State Line in the headwaters of Juniper Creek. Comment
  SEINET3026333 Image available Carex deflexa var. boottii Marcus E. Jones 1882-6-30 3307 Placer Emigrant Gap. Comment
  CAS-BOT-BC20592  Carex douglasii Lewis S. Rose 1944-7-10 44060 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CAS-BOT-BC20110  Carex feta Saichi Kawahara 1969-5-25 1032 Placer Near BM 2393, 'Nigger' george Ravine, Colfax - Iowa Hill Road. [locality name changed to Georges Ravine.] 729 Comment
  SEINET5786460 Image available Carex filifolia Marcus E. Jones 1882-1 2908 Placer Emigrant Gap Comment
  RSA35081  Carex fracta L. S. Rose 1944-7-10 44043 Placer Quail Lake, 3 miles W of Chambers Lodge Lake Tahoe. 2134 Comment
  CAS-BOT-BC20681  Carex fracta John Thomas Howell 1938-8-2 14012 Placer Near Calneva. Comment
  SEINET5786554 Image available Carex geyeri Marcus E. Jones 1882-1 3286 Placer Emigrant Gap Comment
  UCD96978  Carex hassei Chuck Hughes 2010-7-13 240 Placer Eastern edge of Truckee River near northwest corner of intersection of Alpine Meadows Road and Highway 89. 1887 Comment
  CHSC67704  Carex heteroneura var. heteroneura James D. Jokerst 1986-7-13 2707 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  JEPS73186  Carex heteroneura var. heteroneura Gladys L. Smith 1972-6-18 3147 Placer Alpine Meadows 2072 Comment
  CHSC68059  Carex hoodii James D. Jokerst 1986-7-12 2692 A Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  UCD44478  Carex hoodii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1844 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC68060  Carex integra James D. Jokerst 1986-7-13 2704 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  UCD42893  Carex lenticularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 261 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC73097  Carex lenticularis var. lipocarpa L. P. Janeway 1998-8-6 5979 Placer Lake Tahoe Basin Management Unit -- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC84736  Carex lenticularis var. lipocarpa L. P. Janeway; B. Castro 2003-8-23 7966 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  UC1729930  Carex lenticularis var. lipocarpa L. P. Janeway 1998-8-6 5979 Placer 1.7 mi w of Lake Tahoe (n side of Blackwood Creek, Homewood Quadrangle); Blackwood Creek, Homewood Quadrangle 1938 Comment
  UC710517  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-25 44240 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UCD43146  Carex lenticularis var. lipocarpa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 514 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC31491  Carex leptopoda W. R. Dudley 1909-8-13 s.n. Placer Little Fork Pond, Dutch Flat. Comment
  CHSC74135  Carex microptera Susi Urie 1998-8-28 98 -142 Placer Lake Tahor Basin Management Unit -- National Forest. Middle of Page Meadows; about 2 miles west of Lake Tahoe and Sunnyside. 2115 Comment
  CAS-BOT-BC31833  Carex microptera John Thomas Howell 1938-8-2 14006 Placer 5 miles N of Brockway Comment
  CAS-BOT-BC32064  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer ca 1 mi W of Baxter. Comment
  CDA19568  Carex multicaulis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 245 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  POM260101  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer 1 mile west of Baxter Comment
  CHSC72893  Carex nebrascensis L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5761 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CHSC74303  Carex nebrascensis Susi Urie; Eric Schroder 1998-9-11 98 -341 Placer Lake Tahoe Basin. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD43190  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 559 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SD130931  Carex nebrascensis Peter Rubtzoff 1976-9-18 8847 Placer Sierra Nevada; Lake Van Norden; south side; lakeshore. 2063 Comment
  CAS-BOT-BC119588  Carex nudata Bolander 4534 Placer Among rocks, American River. Comment
  UCD75692  Carex pachycarpa Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5141 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CHSC69929  Carex pellita L. P. Janeway; Eric Schroder 1997-7-17 5244 Placer Tahoe National Forest. Meadow on southeast side of Fulda Creek at Forest Service Or-ganizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  CHSC74292  Carex pellita Susi Urie 1998-9-1 98 -188 Placer Lake Tahoe Basin Management Unit, National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  UCR120496  Carex pellita George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5062 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  RSA22157  Carex pellita J. T. Howell 1938-8-2 13998 Placer 5 miles north of Brockway. Comment
  CAS-BOT-BC118469  Carex praegracilis Henry Nicholas Bolander 1865-4-11 4550 Placer In a meadow near Auburn. Comment
  UCD42784  Carex raynoldsii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 150 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD74100  Carex raynoldsii Jennifer W. Burt; Sarah Shannon 2005-7-8 9 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  CAS-BOT-BC117965  Carex rossii Lewis Samuel Rose 1946-6-23 s.n. Placer Rainbow, N of Cisco 1737 Comment
  CAS-BOT-BC117525  Carex sheldonii Peter H. Raven 1950-6-26 2419 A Placer Baxter's 1219 Comment
  CAS-BOT-BC117696  Carex simulata John Thomas Howell 1943-7-22 18696 Placer Summit Valley Comment
  UCD43262  Carex specifica C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 630 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC116996  Carex straminiformis A. A. Heller 1917-8-14 12927 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  UC836018  Carex straminiformis A. A. Heller 1917-8-14 12927 Placer s Summit valley; Mt. Lincoln 2499 Comment
  SEINET8121929 Image available Carex straminiformis A. A. Heller 1917-8-14 12927 Placer Mount Lincoln S of Summit Valley Comment
  CDA15927  Carex subfusca G. F. Hrusa, J. Glazner 1999-7-17 15178 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74137  Carex subfusca Susi Urie 1998-8-11 98 -013 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC1729954  Carex subfusca L. P. Janeway, Eric Schroder 1998-9-16 6337 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek); Homewood Quadrangle 2124 Comment
  JEPS63520  Carex utriculata W. L. Jepson 1934-8-7 16881 Placer near Squaw Creek; Truckee River Comment
  UC1133438  Carex utriculata L. S. Smith 1927-8-6 2157 Placer Robertson Flat Ranger Station Colfax Quadrangle Comment
  UCD162534  Carex utriculata Steve Matson 1997-7-24 135 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork snow creek; near terminus of North Ave. dirt extension. 1908 Comment
  UCD162539  Carex vesicaria Steve Matson 2002-8-17 707 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School; Antone Meadows. 2023 Comment
  UCD74114  Carex whitneyi Jennifer W. Burt 2006-7-1 168 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from coniferous forest near abandoned ski runs. 2066 Comment
  SEINET12029476  Castanopsis chrysophylla C. F. Sonne 1884-1 s.n. Placer Comment
  CDA19534  Castilleja applegatei M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 247 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  SCFS1148  Castilleja applegatei E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  CAS-BOT-BC438833  Castilleja applegatei subsp. pinetorum George K. Helmkamp; Mary Alice Barnes 2013-5-3 20494 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill. 422 Comment
  CAS-BOT-BC518712  Castilleja applegatei subsp. pinetorum George K. Helmkamp; E. A. Helmkamp 2012-6-19 19212 Placer Northern Sierra Nevada Mountains Foothills: Mosquite Ridge Rd, 2.7 mi S of jct with Foresthill Rd 820 Comment
  UC1713294  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner 2133 Comment
  UC187801  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner Comment
  UC198252  Castilleja applegatei subsp. pinetorum Katharine Brandegee Aug 1917 Placer Donner Summit Comment
  CDA36985  Castilleja attenuata CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CHSC25119  Castilleja exserta G. G. Poulsen Jr. 1971-3-29 3 Placer Ca. 4 mi e of Lincoln on Lincoln Newcastle Rd; ca. s on Clark Tunnel Rd. 1.4 mi. Penryn. 274 Comment
  UCD15155  Castilleja foliolosa Phyllis Adams 1982-5-1 25 Placer in the American River Canyon along Old Foresthill Road; 396 Comment
  UCD41257  Castilleja lacera Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1714 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  JEPS86493  Castilleja miniata L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6576 Placer ca 5 mi se Donner Lake (creek ca 1 mi se of Chickering houses at Soda Springs, Sherman Chickering's Soda Springs holdings); Sherman Chickering's Soda Springs 2133 Comment
  SEINET14142515  Castilleja miniata M. J. Williams 1985-7-6 85- 61 -7 Placer Sierra Nevada, N of Lake Mary, near old Donner Summit [road]. 2286 Comment
  UC1713509  Castilleja miniata Katharine Brandegee Placer Cisco Comment
  UC198558  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UCD21855  Castilleja miniata Beth Lowe Corbin 1982-8-6 265 Placer 1/2 mile SW of Onion Creek campground. 1905 Comment
  CHSC73200  Castilleja miniata subsp. miniata L. P. Janeway; Eric Schroder 1998-9-16 6333 Placer Lake Tahoe Basin Management Unit. Small meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  CHSC74437  Castilleja miniata subsp. miniata Susi Urie; Eric Schroder 1998-9-9 98 -308 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1990 Comment
  UCD44505  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1871 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44562  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1928 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44731  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2097 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC240981  Castilleja pilosa Lyman Benson 1942-7-2 11253 Placer Junction U.S. 40 & U.S. 395, Truckee River Road to Lake Tahoe, Sierran Montane Forest, Sierra Nev. Mts. 1889 Comment
  UCR208274  Castilleja pruinosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14641 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  JEPS88826  Castilleja pruinosa T. I. and F. M. Chuang 1991-6-29 7841 Placer Sugar Pine Reservoir Dam Comment
  CHSC73999  Castilleja tenuis Susi Urie 1998-9-1 98 179 A Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  JEPS103347  Castilleja tenuis Lowell Ahart 2002-7-22 9899 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  CAS-BOT-BC47796  Ceanothus C. H. M. 1911-11-5 s.n. Placer Colfax Comment
  UCD143724  Ceanothus arcuatus F. Felix, E. Krimmel 2013-5-26 45 Placer North Fork/Chickering American River Reserve. Where Cedar Meadows trail meets Cedar Creek Falls. Comment
  UCD162758  Ceanothus arcuatus Dylan O. Burge; J. Bisbee 2014-5-25 1637 Placer Soda Springs Road. 2009 Comment
  UCD168258  Ceanothus arcuatus M. Bibbo 2017-7-21 201 Placer Tahoe National Forest, Chipmunk Ridge, ca. 1 mile as the crow flies SE of French Meadows Reservoir. 0.63 miles SW off of Forest Service Road 48 along the ridge. 1956 Comment
  UCSB23140  Ceanothus arcuatus Towsley, Guy; McMinn, H. 1941-8-23 Placer 1/2 mile east of Dutch Flat Comment
  CAS-BOT-BC47859  Ceanothus cordulatus Alice Eastwood 1912-6-15 493 Placer Lake Tahoe Region - Deer Park Comment
  CAS-BOT-BC47893  Ceanothus cordulatus E. A. McGregor 1909-8-12 87 Placer Grass Lake 2194 Comment
  RSA129722  Ceanothus cordulatus N. H. French 1934-5-24 361 Placer N Fork, N Fork American River, Colfax 1341 Comment
  SACT002892  Ceanothus cordulatus Josephine Van Ess 1980-7-23 Placer Grove of Sierra Redwoods. Collected along nature trail in park. Stiffly branched shrub open area in forest. Comment
  RSA754660  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-4-3 DOB 1077 b Placer North Fork American River Watershet, Forest Hill Divide, near turn-off for Mammoth Bar OHV area, Auburn State Recreation Area, roadside on Old Foresthill Road, 1.8 road miles (2.9 km) NE of intersection with SR 49., 6.1 km 63 degrees true ENE of Auburn. 350 Comment
  UC1071068  Ceanothus cuneatus var. cuneatus J. E. Sowder, R. W. Lundh 1933-4-22 54 Placer 1 mi ne. Colfax Hwy; Colfax quad. 731 Comment
  UC452649  Ceanothus cuneatus var. cuneatus Francis Ramaley 1917-4-24 11145 Placer Auburn Comment
  CAS-BOT-BC126853  Ceanothus fresnensis G. L. Stebbins 1976-7-6 C 7694 Placer Summit of Bunk Hill 2286 Comment
  UCD22199  Ceanothus fresnensis Beth Lowe Corbin 1982-8-4 215 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 20% inclination. Full sun. Locally common. In opening in montane chaparral, inrocky, fine, sandy, granitic soil. Low, compact, rigidly branched shrub. Light dry bark, reddish twigs and fruit. Less than 1 ft tall, 3 ft across. 1950 Comment
  CAS-BOT-BC50755  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  CAS-BOT-BC50758  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  SACT002924  Ceanothus integerrimus Michael Baad 1977-4-13 Placer 0.8 mile north of PLacer Hills Road on Milk Ranch Road leading to Bear River Camp. High road bank to the east of road, sunny slope. Comment
  SBBG27260  Ceanothus integerrimus C. L. Hitchcock 1940-5-7 6354 Placer ca. 1 mi W of Baxter Comment
  UC1070727  Ceanothus integerrimus N. French 1933-5-5 39 Placer American River Colfax quad. 609 Comment
  UC112945  Ceanothus integerrimus Katharine Brandegee 1908-7-17 Placer Blue Canyon Comment
  UCR215980  Ceanothus integerrimus George K. Helmkamp, Amy Barnes 2009-7-12 15184 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  SEINET13945947 Image available Ceanothus integerrimus Susie M. Peers 1946-1 s.n. Placer Shirttail Canyon, near Forest Hill. Comment
  UCD16103  Ceanothus integerrimus var. californicus Gary Brickner 1984-5-12 31 Placer California. Placer County: 4 mi east of Forest Hill on Forest Hill Rd. 1121 Comment
  UCR47951  Ceanothus integerrimus var. californicus Susan Dakuzaku 1975-5-24 57 Placer Near intersection of Auburb-Foresthill Road and Spring Garden Road 915 Comment
  CAS-BOT-BC51038  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1917-6-16 12679 Placer near Dutch Flat 914 Comment
  CAS-BOT-BC51155  Ceanothus lemmonii C. L. Hitchcock 1940-5-7 6327 Placer ca. 1 mile West of Baxter Comment
  SBBG26946  Ceanothus lemmonii C. L. Hitchcock 1927-5-7 6327 Placer ca. 1 mi W of Baxter Comment
  CAS-BOT-BC63355  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63358  Ceanothus prostratus Mary E. Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  JEPS111207  Ceanothus prostratus Steve Matson 2005-7-4 1362 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: elevation 5,900 ft. 1798 Comment
  UCD112654  Ceanothus prostratus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 11.1 miles northeast of Foresthill. 1463 Comment
  UCD112659  Ceanothus prostratus R. Prag 1973-6-26 s.n. Placer Ward Valley. Comment
  UCR270695  Ceanothus prostratus John F. Emmel 1998-7-9 1573 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  CDA34220  Ceanothus prostratus D. G. Kelch 2011-5-17 11 .514 Placer Dutch Flat. Comment
  RSA121653  Ceanothus velutinus H. S. Yates 1934-6-30 3958 Placer Carnelian Bay, Truckee, Placer. 1921 Comment
  UCD22196  Ceanothus velutinus Beth Lowe Corbin 1982-8-20 395 Placer 1 1/4 miles NW of Onion Creek Campground. SW facing slope, 20% incline. Occasional. Partial sun. In fine, sandy soil of white fir forest. Loosely branched shrub to 5 ft tall. Flowers dried, whitish. Fruit green. Foliage aromatic, like balsam. 2133 Comment
  CAS-BOT-BC272115  Centaurea cyanus Peter H. Raven 1950-6-26 2409 Placer Along US 40 in the altitude range of Baxter's 1219 Comment
  CDA15292  Centaurea diffusa R. O'Connell, R. Kerr 1998-10-21 1142328 Placer Sierra Nevada; on I-80 0.25 mi. E of Cisco Grove exit. 0 Comment
  CDA42291  Centaurea maculosa R. Kerr 1998-6-16 s.n. Placer on N side of I-80, 0.1 mi. E of Cisco Grove. 0 Comment
  UCD132722  Centaurea melitensis Denali Beard 2012-6-12 s.n. Placer Auburn State Recreation Area, in Mammoth Bar OHV area. Also observed along edge of Squaw Flat Trail. 500 Comment
  UCD36122  Centaurium tenuiflorum Beecher Crampton 1952-11-9 924 Placer Placer County, 6 miles east of Auburn, 1 mile south of Meadow Vista. 457 Comment
  SDSU7110  Centaurium tenuiflorum D. F. Howe 1961-8-8 3137 Placer By canal 4 miles north of Auburn. 457 Comment
  SDSU4598  Centromadia fitchii D. F. Howe 1959-8-1 2770 Placer 4 mi. north of Auburn. 457 Comment
  CAS-BOT-BC288623  Centromadia fitchii Hugh Mozingo 1973-9-23 s.n. Placer Along Interstate Highway 80 near Kingvale 1859 Comment
  SEINET7347768  Cercis canadensis H. R. Holbo 1961-3-31 s.n. Placer West fork of the American River 914 Comment
  POM260047  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC192359  Cercis occidentalis Mrs. M. E. P. Ames 1885-1 2089 Placer Auburn Comment
  OBI20160  Chaenactis douglasii David J. Keil 1978-7-23 12926 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCD159478  Chaenactis douglasii D. S. Park 2010-8-21 231 Placer Off Hampshire Rocks Rd. Shaded understory. Not adundant. Few individuals near dried creek bed. 1806 Comment
  CHSC83215  Chaenactis douglasii var. douglasii Donald W. Kyhos 1967-9-3 67 -90 Placer On Hwy 89, 2.3 miles south of Hwy. 80 on a bank just west of Hwy. 89. Comment
  UC1035483  Chaenactis douglasii var. douglasii Kay H. Beach 1940-6-30 813 Placer 5.6 mi e Emigrant Gap (on US 40); Sierra Nevada Mountains 1676 Comment
  UCD130277  Chaenactis douglasii var. douglasii G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12624 Placer Northern Sierra Nevada Mountains; southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  CAS-BOT-BC276712  Chaenactis douglasii var. douglasii Greg de Nevers 1991-7-24 9761 Placer Ward Creek Valley, S of Sunnyside 1950 Comment
  JEPS59467  Chaenactis douglasii var. douglasii Ezra Brainerd and Viola B. Baird 1915-7-27 204 Placer Bear Rock Sierra Nevada Mts., Truckee River 1889 Comment
  SEINET7067126  Chaenactis glabriuscula A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  CAS-BOT-BC141722  Chamaebatia foliolosa Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CHSC75010  Chamaebatia foliolosa Sabbina M. Lau 1989-5-20 13 Placer 20 miles out of Auburn on Foresthill Rd. 1036 Comment
  SBBG51095  Chamaebatia foliolosa N. R. Zabriskie, W. Zabriskie 1973-6-7 669 Placer Emigrant Gap,off Interstate 80 W of Donner Pass 1615 Comment
  UCD14630  Chamaebatia foliolosa Deanna Lynn Pfleger 1989-5-20 21 Placer Placer Co.; 30 miles from Auburn, 20-30 ft. off of Mosquito Ridge Road; 707 Comment
  SEINET6336142  Chamaebatia foliolosa P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 miles from end of railroad bridge on CA 194. Winding road, plot located on the right past parking area, down path approximately 60 meters 1676 Comment
  JEPS111230  Chamaesaracha nana Steve Matson 2005-6-5 1246 b Placer Southeast of Truckee, Martis Creek Wildlife Area; south of Highway 267, north of creek, ca. 300 meters east of Parking Area on pathway. 39.3019 N, 120.1264 W. Elevation 5,830 ft. 1777 Comment
  CHSC81780  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2001-10-10 9347 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  JEPS102536  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2001-10-10 9347 Placer French Meadows Reservoir, near boat or trail access area on northwest side of reservoir, about 1 mile southwest of bridge across Middle Fork of American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  SCFS11529129  Chamerion angustifolium E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying streambed. Comment
  SBBG60190  Chamerion angustifolium unknown 1895-1 Placer American River Comment
  CAS-BOT-BC166013  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1943-7-25 18803 Placer West side of Donner Pass near Norden 2133 Comment
  CAS-BOT-BC68282  Cheilanthes cooperae J. C. Hawver; Mary Elizabeth Parsons 1912-7-7 s.n. Placer Lime Rock, Clipper Gap Comment
  SEINET3153750  Cheilanthes gracillima G. B. Grant 1906-7-15 7143 Placer About Lake Tahoe 2438 Comment
  UCD75731  Cheilanthes gracillima Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5171 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  JEPS73010  Chenopodium berlandieri Gladys L. Smith 1972-8-25 3402 Placer about chairlift above Shirley Lake (tr. to Granite Chief) 2499 Comment
  UCR200855  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2008-9-15 14098 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UC73896  Chenopodium pumilio J. Burtt Davy Jun 25 1897-Jun 30 1897 3176 Placer Truckee River Basin Comment
  UC1120956  Chimaphila umbellata N. French 1934-6-15 409 Placer Scott Hill Tahoe Nat'l Forest, Colfax Quad., Scott Hill Comment
  UCD33394  Chloris verticillata Beecher Crampton 1967-7-26 8164 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80, junction of Meadow Vista Road. 487 Comment
  UCR109611  Chondrilla juncea R. D. Goeden, Don W. Ricker 1967-6-9 s.n. Placer Sierra Nevada Foothills, Newcastle, on I-80 SW of Auburn 250 Comment
  CAS-BOT-BC279800  Chondrilla juncea John Thomas Howell 1966-7-29 42033 Placer 1 mile ne. of Loomis 121 Comment
  UCD130266  Chondrilla juncea A. M. Shapiro 1987-6-6 s.n. Placer city of Auburn, Hwy 49 north of Elm St., in restaurant parking lot (Katrina's Kitchen). 365 Comment
  CAS-BOT-BC249050  Chrysolepis sempervirens George K. Helmkamp; E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains: Deadwood Road, 1.2 miles south of its junction with Forest Hill Road 1564 Comment
  CAS-BOT-BC36375  Chrysolepis sempervirens R. F. Hoover 1967-9-5 10823 Placer Carnelian Bay, Lake Tahoe Comment
  OBI14341  Chrysolepis sempervirens Robert F. Hoover 1967-9-5 10823 Placer Carnelian Bay, Lake Tahoe Comment
  UCD21485  Chrysolepis sempervirens Rex Palmer 1979-5-26 N 20 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCR231821  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  SEINET8947268  Chrysolepis sempervirens O. Boring s.n. Placer Lake Tahoe Comment
  UCD21709  Chrysothamnus Rex Palmer 1979-6-9 N 139 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCR176265  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2006-8-11 11208 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 1.0 mile north of Forest Hill 1037 Comment
  UCR194971  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2007-10-28 13108 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  SCFS11529157  Circaea alpina E. Krimmel 2014-7-5 Placer Cobbles in bed of Onion Creek near confluence with NFA Comment
  SEINET7451074 Image available Cirsium andersonii P. A. Lehenbauer 1933-8-6 3177 Placer Lake Tahoe near Homewood Comment
  JEPS126427  Cirsium arvense Steve Matson 2003-9-6 957 Placer nSHN; Truckee River Watershed, 5 air miles west of Tahoe City; Alpine Meadows ski area' base of Kangaroo lift near buildings. Comment
  UCD130541  Cirsium arvense T. C. Fuller 1964-5-18 11980 Placer west side of Dutch Flat Hwy, 0.8 mile south of Dutch Flat P.O. Comment
  CDA1069  Cirsium arvense T. C. Fuller 1964-5-18 11980 Placer W side of Dutch Flat Rd., 0.8 mi. S of Dutch Flat P.O. 0 Comment
  UC30784  Cirsium occidentale var. californicum Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UCR193401  Cirsium occidentale var. californicum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12200 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  CAS-BOT-BC285518  Cirsium occidentale var. candidissimum Nora Pettibone; Frank W. Hubby 1892-8-1 s.n. Placer Lake Tahoe 1828 Comment
  CAS-BOT-BC439027  Cistanthe monosperma A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC228885  Cistanthe umbellata F. Almeda 1993-7-24 7279 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC228891  Cistanthe umbellata A. A. Heller 1927-8-16 14448 Placer Near the summit of Donner Pass Comment
  CAS-BOT-BC228894  Cistanthe umbellata Lowell Ahart 1964-7-4 s.n. Placer On trail to Placer Queen Mine 1828 Comment
  CAS-BOT-BC162650  Clarkia Saichi Kawahara 1969-7-6 1461 Placer East bank of Indian Creek, Mel Henderson Ranch 1002 Comment
  CAS-BOT-BC163553  Clarkia arcuata C. L. Hitchcock 1940-5-15 6410 Placer 6 miles north of Colfax Comment
  SD247463  Clarkia biloba subsp. biloba George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20827 Placer Northern Sierra Nevada Mountains Foothills: junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill (Colfax 7.5'Q) 462 Comment
  UCD72503  Clarkia biloba subsp. biloba Ellen Dean 2006-5-22 3141 Placer Above north fork of the American River, east of Foresthill Bridge, along Upper Lake Clementine Road nearing the bottom (river end) of the road. 308 Comment
  CAS-BOT-BC172407  Clarkia biloba subsp. brandegeeae Alice Eastwood 1912-6-20 619 Placer Colfax Comment
  LA205992  Clarkia biloba subsp. brandegeeae T. Mosquin; 1959-7-1 3325 B Placer 7.7 mi. from Foresthill on road to Colfax Comment
  UCR218115  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-26 16379 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR218240  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16438 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  UCD104859  Clarkia purpurea E. J. Kinbacher 1953-4-28 15 Placer 1 mile W of Rocklin. 51 Comment
  UCD34164  Clarkia purpurea Beecher Crampton 1977-6-11 9501 Placer 3.5 miles N.E. of Auburn, Dry Creek road just east of Elder's Corners. Comment
  CAS-BOT-BC162495  Clarkia purpurea subsp. purpurea H. M. Hall 1917-5-9 10291 Placer Sacramento Valley, just above Lincoln Comment
  UCR173272  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10436 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  UCD21990  Clarkia rhomboidea Beth Lowe Corbin 1982-8-4 216 Placer 1/4 mile NW of Onion Creek campground. 1950 Comment
  UCR218135  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16403 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  POM250666  Clarkia rhomboidea Lincoln Constance 1938-6-8 2287 Placer 3 miles north of Nevada City, Sierra Nevada foothills 762 Comment
  UCR218449  Clarkia unguiculata George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16420 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  CDA12000  Claytonia lanceolata G. F. Hrusa 1995-5-2 12181 Placer Sierra Nevada; Near intersection of Mosquito Ridge Rd. and Jarvis Rd. on spur to Placer Redwood Grove. Comment
  SEINET5336355  Claytonia parviflora subsp. grandiflora J. Elder 1961-3-18 s.n. Placer In a foothill woodland 5 miles southeast of Auburn on hillside above the American River. 366 Comment
  UCR237458  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2012-2-23 18578 Placer Eastern edge Sacramento Valley, Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  JEPS127459  Claytonia rubra subsp. rubra Steve Matson 2003-4-27 779 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 yards north of Highway 267;west of Martis Creek. Comment
  RSA22507  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 miles SE of Loomis. 152 Comment
  UC1551949  Collinsia parviflora Aaron Liston 1988-3-14 695 Placer 3.5 mi n of Auburn (Dry Creek Road); Dry Creek Road 450 Comment
  UC885576  Collinsia parviflora A. A. Heller 1917-6-17 12715 Placer below Cisco (near Yuba River) 1676 Comment
  UC885529  Collinsia torreyi var. wrightii Alice Eastwood Jun 15 1912-Jun 19 1912 431 Placer Lake Tahoe Region Comment
  JEPS127493  Collomia grandiflora Steve Matson 1998-5-27 304 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  SEINET8729294 Image available Collomia grandiflora Lewis S. Rose 1937-1 37611 Placer Tahoe Vista. 1905 Comment
  POM260313  Collomia heterophylla C. L. Hitchcock 1940-5-7 6347 Placer 1 mile west of Baxter. Comment
  UCD118185  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer Ca. 100 yards E of junction of Spring Garden Road with Auburn-Foresthill Road (or 3.7 miles W of Foresthill). 762 Comment
  UCR208552  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2009-5-11 14667 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  CHSC73969  Collomia linearis Susi Urie 1998-8-18 98 -066 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS111195  Collomia linearis Steve Matson 2005-7-4 1368 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  UCD21980  Collomia tinctoria Beth Lowe Corbin 1982-8-12 334 Placer 1/8 mile NE of Onion Creek campground. 1844 Comment
  UCD74070  Convolvulus arvensis Jennifer W. Burt 2005-7-14 147 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 2070 Comment
  SJSU9108  Corallorhiza maculata Robert L. Fisher 1959-6-28 Placer Yuba Gap, Hwy 40, near county line; Placer & Nevada county 1676 Comment
  UCD22692  Corallorhiza maculata Teresa Do 1990-5-19 15 Placer Butterfly Valley. 1097 Comment
  SD235031  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2006-8-11 11212 Placer Northern Sierra Nevada Mtns. Foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1310 Comment
  UCR206591  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15203 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  JEPS7086  Cordylanthus tenuis subsp. tenuis Rimo Bacigalupi with Lincoln Constance and Eugene Nasir 1953-9-8 4355 Placer 1 mi se Dutch Flat (between Dutch Flat and Alta) 1036 Comment
  JEPS86720  Cordylanthus tenuis subsp. tenuis Kristin Berry 1987-7-11 Placer 100 yd n Squaw Creek; Shirley Canyon Comment
  RSA151613  Cordylanthus tenuis subsp. tenuis R. C. Bacigalupi, Lincoln Constance, E. Nasir 1953-9-8 4355 Placer 1 mile southeast of Dutch Flat (really between Dutch Flat and Alta). 1037 Comment
  CHSC74979  Cornus nuttallii Jonathan M. Irvin 1977-5-30 701 Placer 14.4 miles east of Forest Hills, along Mosquito Ridge Road. 1011 Comment
  HSC6412  Cornus nuttallii R. A. Magie 1964-6-12 105 Placer 3 mi. W of Hwy. 40 on Hwy. 20, 100 ft. W of Nevada Co. line. 1768 Comment
  UCD14939  Cornus nuttallii John Warren 1977-6-4 44 Placer California, Placer Co.; 3.2 miles northwest of the junction with Interstate-80 along Highway 20; Comment
  UCD70596  Cornus nuttallii Martin J. Beran 1994-5-27 23 Placer Lang Crossing of HWY 20, South Fork of Yuba River; 20 m from river along dirt road; moist soil; with ferns, Calocedrus, Acer; tree, height 4-5 m, fls green, common. 1414 Comment
  CAS-BOT-BC212145  Cornus sericea Carl B. Wolf 1930-10-10 987 Placer 1 mile est of Cisco, Sierra Nevada 1828 Comment
  UCD38474  Cornus sericea Beecher Crampton 1955-6-15 2866 Placer Head of Bunch Canyon, road to Forest Hill. 0.5 miles south US Hwy 40. Comment
  UCD117335  Cornus sericea subsp. sericea G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12632 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  CAS-BOT-BC210550  Cornus sessilis G. R. Vasey 1880-10-1 s.n. Placer Auburn Comment
  SD43764  Cornus sessilis Darley F. Howe 1948-5-22 1924 Placer 1220 Comment
  UCD22726  Cornus sessilis K. Pinney 1975-5-24 163 Placer Big Trees. 1 mile south of French Meadows Rd. 1630 Comment
  UCD33845  Cornus sessilis Beecher Crampton 1973-10-2 9020 Placer Placer County, Baxter along Canyon Creek. 1219 Comment
  CDA7467  Cosmos bipinnatus T. C. Fuller 1962-9-2 9625 Placer Highway 40 to Donner Summit, 2.6 miles east of Blue Canyon Road. 0 Comment
  UCD75739  Crepis acuminata Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5202 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  POM17642  Crepis occidentalis subsp. conjuncta Marcus E. Jones 1882-6-30 2784 Placer Emigrant Gap. Comment
  CAS-BOT-BC290733  Crepis occidentalis subsp. conjuncta Dr. A. Kellogg 1870-6-18 s.n. Placer Camp Yuba - Cisco Comment
  CHSC82604  Cryptantha affinis Lowell Ahart 2002-7-22 9880 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UC112808  Cryptantha affinis Katharine Brandegee Placer near Cape Horn Comment
  UCR207860  Cryptantha flaccida George K. Helmkamp, E. A. Helmkamp 2009-4-22 14561 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UC193757  Cryptantha humilis C. F. Sonne 1885-6-21 Placer Squar Valley, on Truckee River Truckee River Comment
  UC24714  Cryptantha intermedia V. Rattan 1860-1 11 Placer Placeville Comment
  UC1178526  Cryptantha simulans Malcolm A. Nobs 1950-9-24 Placer e slopes Squaw Peak 1828 Comment
  OBI20818  Cryptantha torreyana Robert F. Hoover 1967-9-7 10861 Placer Antone Meadow Comment
  SJSU13929  Cryptantha torreyana N. A. Hopkins 1986-7-21 1365 Placer Martis Valley 3 mi SE of Truckee Comment
  SEINET11266516  Cryptantha torreyana Kaye H. Thorne, J. Chandler 1987-6-26 5418 Placer C.A Hwy 267, 3.2 mi s of Brockway Summit.; 0 Comment
  CAS-BOT-BC68065  Cryptogramma acrostichoides John H. Thomas; A. Thomas 1956-7-21 6141 Placer Sierra Nevada - Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SEINET5777371 Image available Cryptogramma acrostichoides Marcus E. Jones 1882-1 Placer Emigrant Gap Comment
  UCR146848  Cuscuta brachycalyx Beecher Crampton 1977-7-2 9512 Placer Sierra Nevada Foothills, 3.5 miles northeast of Auburn, east of Elder's Corner on Dry Creek Road 412 Comment
  UCD22386  Cuscuta californica Beth Lowe Corbin 1982-8-17 358 Placer 2 2/3 miles WSW of The Cedars. NW facing slope, 15% incline. Full sun. Occasional. Rocky outcrop in montane chaparral. Stems pale orange, flowers white, anthers orange. 1938 Comment
  SCFS1192  Cymopterus terebinthinus E. Krimmel 2014-4-21 Placer NFAm. 200 yards south of Pt. Mariah warming hut Comment
  UCD18252  Cymopterus terebinthinus E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 464 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  UCD75736  Cymopterus terebinthinus var. californicus Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5198 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  SEINET12567969  Cynoglossum grande D. E. Brix 1962-3-17 s.n. Placer North Fork of American River, 3.5 miles NE of Auburn. 518 Comment
  SEINET12568082  Cynoglossum grande B. M. Cunningham 1960-3-19 s.n. Placer Monte Viste Inn. on Hwy 40 detour. 1219 Comment
  SEINET12568163  Cynoglossum grande L. L. Killinger 1962-3-17 s.n. Placer 3 miles E of Auburn on North Fork American River. 396 Comment
  SACT000850  Cynosurus echinatus Michael Baad 1983-5-5 Placer One mile north of placer Hills Road on Milk Ranch Road. 2 miles from Colfax, open hillside, north-facing slope. 609.6 Comment
  SACT000851  Cynosurus echinatus Michael Baad 1983-5-5 Placer On Yankee Jim Road. South side of River. Comment
  SACT000855  Cynosurus echinatus D. Meyer 1983-6-5 Placer On turn-off along roadside. 487.68 Comment
  SACT000856  Cynosurus echinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  SD260155  Cynosurus echinatus George K. Helmkamp, Mary Alice Barnes 2015-5-3 20478 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92a^z) of Foresthill (Forest Hill 7.5'Q) 829 Comment
  UCR233191B  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17681 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CAS-BOT-BC114547  Cyperus eragrostis Mrs. H. C. Cantelow 1938-7-2 2260 Placer 8 mi. N of Auburn. Comment
  CAS-BOT-BC114263  Cyperus esculentus Peter H. Raven 1954-8-27 7960 Placer Week in an orchard, Penryn. Comment
  RSA92359  Cyperus niger var. capitatus Beecher Crampton 1953-11-4 1734 Placer Along an irrigation canal, Sunnybrook Hereford Farm, 2 miles north of Lincoln Comment
  RSA692808  Cystopteris fragilis May N. Ackley 1924-06 32 Placer Bear Valley 1372 Comment
  UC399282  Cystopteris fragilis Mrs. Carlotta C. Hall June 1910 Placer Cisco Comment
  SD237422  Cytisus scoparius G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15930 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 156 Comment
  POM113017  Dactylis glomerata Marcus E. Jones 1882-5-27 s.n. Placer Emigrant Gap [county not indicated on specimen label] Comment
  SACT000867  Dactylis glomerata Michael Baad 1977-6-2 Placer End of road. 8.5 miles southwest of junction of Deadwood and Forest Hill Divide Road. 666.0 Comment
  SACT000870  Dactylis glomerata D. Meyer 1983-7-3 Placer 1227.3 Comment
  SACT000871  Dactylis glomerata D. Meyer 1983-6-25 Placer 1636.0 Comment
  CAS-BOT-BC445491  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer Sacramento Valley, 1 mi. No. of Lincoln. 45 Comment
  SACT000901  Danthonia unispicata Michael Baad 1983-8-11 Placer On trail to Mildred Ridge. 2133.0 Comment
  UCD36425  Danthonia unispicata Beecher Crampton 1953-7-21 1535 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  UC147566  Darmera peltata Harriet A. Walker 1908-6-24 1256 Placer Blue Canyon 1432 Comment
  UCR120243  Delphinium depauperatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5024 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCD22183  Delphinium glaucum Rex Palmer 1979-7-25 N 673 Placer Headwaters basin area of the North Fork of the American River Comment
  UC1125985  Delphinium hansenii subsp. hansenii C. R. Clar 1933-6-21 35 Placer N Fork Dry Creek 457 Comment
  JEPS111252  Delphinium nuttallianum Steve Matson 2005-6-12 1265 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; close to fenceline; 39.2944 N, 120.1240 W; Elevation 5880 ft. 1792 Comment
  POM121520  Delphinium nuttallianum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  UC1125981  Delphinium nuttallianum N. French 1934-5-24 364 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle Comment
  UCD22181  Delphinium nuttallianum Rex Palmer 1979-6-20 N 281 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22186  Delphinium nuttallianum Rex Palmer 1979-6-9 N 177 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC116093  Delphinium nuttallianum Charles von Geldern 1912-5-1 S.N. Placer American river Comment
  UC9223  Delphinium patens Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC121998  Delphinium variegatum Gordon H. True 1971-4-9 6459 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC121999  Delphinium variegatum Kate E. Phelps 1937-5-25 s.n. Placer Dutch Flat Comment
  UC118531  Dendromecon rigida Katharine Brandegee 1889-7-6 Placer Alta R. R. Embankment Comment
  OBI22301  Deschampsia cespitosa Robert F. Hoover 1967-9-7 10859 Placer Antone Meadow Comment
  SEINET3927164  Deschampsia cespitosa Ellen Dean, M. Starbuck; M. Bibbo 2008-7-20 5250 Placer Donner State Parkm newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon.; 0 2099 Comment
  UCD43363  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 731 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43877  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1243 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD75729  Deschampsia cespitosa Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5168 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  UCD21604  Deschampsia cespitosa subsp. cespitosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1269 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  RSA187451  Deschampsia danthonioides Le Roy Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  UCD62527  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer 2 miles north of Lincoln. Comment
  SACT000918  Deschampsia danthonioides Josephine Van Ess 1976-3-31 Placer Dried up vernally wet roadside. Comment
  JEPS103531  Deschampsia elongata Lowell Ahart 2002-7-22 9920 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  OBI22306  Deschampsia elongata Robert F. Hoover 1967-9-7 10851 Placer Antone Meadow Comment
  SACT000937  Deschampsia elongata Michael Baad 1983-9-3 Placer From Sprite Inn to Western slope of Mount Judah near summit 2286.0 Comment
  SACT000939  Deschampsia elongata 1984-6-23 Placer 9.76 km from I80 Frontage Rd, moist shday roadside ditch, oak pine, manzanita associated. 978.0 Comment
  SACT000958  Deschampsia elongata D. Meyer 1984-6-10 Placer 436.0 Comment
  SD103538  Deschampsia elongata Darley Howe 1978-7-15 5076 Placer Along state highway 20; 29 miles west of Truckee 1646 Comment
  UCD36665  Deschampsia elongata Beecher Crampton 1955-6-15 2898 Placer Placer County, Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  JEPS126368  Descurainia californica Steve Matson 2000-7-6 471 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north Highway 267, near East Martis Creek. Comment
  UCD42980  Descurainia pinnata subsp. intermedia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 349 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS81210  Dicentra formosa Douglas W. James Jr. 1973-5-27 129 Placer 15.8 mi from Forest Hill (off Mosquito Ridge Road) 1158 Comment
  SEINET5339613  Dicentra formosa B. M. Cunningham 1960-4-17 s.n. Placer At the Monte Viste Inn on highway 40 Detour. 1372 Comment
  SEINET5340464  Dicentra formosa B. M. Cunningham 1960-4-17 s.n. Placer Monte Viste Inn 1372 Comment
  CAS-BOT-BC402447  Dicentra formosa subsp. formosa Mrs. Chas. E. Miller 1916-8-30 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC402451  Dicentra formosa subsp. formosa Marcus E. Jones 1882-6-28 3302 Placer Emigrant Gap Comment
  JEPS72354  Dicentra uniflora Gladys L. Smith 1972-6-18 3164 Placer Alpine Meadows 2072 Comment
  RSA677156  Dichanthelium acuminatum Beecher Crampton 1975-9-9 9279 Placer Gold Run rest area on Hwy 80 915 Comment
  RSA333564  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-7 13 Placer On Sierra College Blvd, 2.3 miles N of Douglas Blvd intersection. 460 Comment
  SEINET8472303  Dichelostemma capitatum subsp. capitatum A. Streshley 1976-3-12 s.n. Placer South of Auburn, along the North Fork of the American River. 274 Comment
  SEINET8472326  Dichelostemma capitatum subsp. capitatum H. R. Holbo 1961-3-18 s.n. Placer Hwy 49 at North Fork of American River. 457 Comment
  SEINET8472342  Dichelostemma capitatum subsp. capitatum A. Beninghoff 1930-3-15 2033 Placer Virginia Town. Comment
  UCR233241  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17691 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  CAS-BOT-BC502643  Dichelostemma multiflorum R. Halliday; Wayne Roderick 1967-6-10 s.n. Placer North edge of Auburn 365 Comment
  SEINET10932616  Dichelostemma pulchellum Barbara J. Ertter 1989-4-8 Ertter 8150 Placer Iowa Creek Raod ca 2 miles from I-80 near entrance to Auburn Stae Recreation Area. 518 Comment
  POM109853  Dichelostemma volubile Marcus E. Jones s.n. Placer Auburn Comment
  UC635220  Dichelostemma volubile H. L. Mason 1926-5-28 3276 Placer 5 mi above Auburn Comment
  UC196626  Dieteria canescens var. shastensis C. F. Sonne August 1885 Placer Tinker's Knob 2895 Comment
  UC29822  Dieteria canescens var. shastensis W. H. Brewer August 1863 2152 Placer e side Lake Tahoe (near Camp 140); e side of Lake Tahoe Comment
  CAS-BOT-BC153787  Diplacus angustatus Alice Eastwood; John Thomas Howell 1937-5-8 4333 Placer Near Auburn on road to Grass Valley Comment
  SD241951  Diplacus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15891 Placer Sierra Nevada Mountains Foothills; Rattlesnake Bar Road, 7.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 331 Comment
  SEINET13769195 Image available Diplacus grandiflorus Marcus E. Jones 1882-1 3288 Placer Emigrant Gap Comment
  CHSC40948  Diplacus kelloggii J. D. Jokerst 1984-6-20 2061 A Placer North of the Rubicon River and east of Big Grizzly Cr. where it turns to south and meets the Rubicon. 792 Comment
  SBBG25479  Diplacus torreyi C. B. Hardham 1961-6-14 7356 Placer Baxter, US Hwy 40 1066 Comment
  CHSC67854  Diplacus tricolor James D. Jokerst 1986-3-19 2598 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. Comment
  CAS-BOT-BC229024  Dittrichia graveolens George K. Helmkamp; E. A. Helmkamp 2011-11-28 18480 Placer Sacramento Valley/Sierra Nevada Foothills: along CA-193 (Lincoln-Newcastle Hwy), 2.0 miles east of East Street in Lincoln, near Stagecoach Ln. 125 Comment
  UCD40552  Dittrichia graveolens A. M. Shapiro 2003-10-13 s.n. Placer Colfax, along railroad tracks near downtown. 670 Comment
  UCD54324  Dittrichia graveolens A. M. Shapiro 2005-10-5 s.n. Placer Colfax. 682 Comment
  RSA20894  Dodecatheon clevelandii subsp. patulum Carl B. Wolf 1937-3-30 8357 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  UCD118821  Dodecatheon clevelandii subsp. patulum B. Crampton 1953-2-11 975 Placer 3/4 mile north of Lincoln. Comment
  SEINET8561743  Dodecatheon hansenii F. Brunetti 1962-3-17 s.n. Placer 2 miles E of Auburn, above North Fork American River. 274 Comment
  RSA518788  Dodecatheon hendersonii Barbara J. Ertter, David M. Thompson 1989-4-9 8184 Placer Spring Garden Rd 0.8 mi NE of Foreshill-Auburn rd., ca 4 air mi. W of Foresthill; roadside bank in conifer forest. 671 Comment
  SEINET8561859  Dodecatheon hendersonii M. J. Williams 1969-4-2 s.n. Placer Near Placerville, above Greenstone Lane. Comment
  JEPS14454  Downingia bicornuta var. picta R. E. Arp 1932-4-28 4 Placer Roseville Comment
  UC766287  Downingia bicornuta var. picta R. F. Hoover 1939-5-10 4091 Placer Lincoln Comment
  SJSU3255  Downingia montana R. L. Fisher 1959-8-10 Placer Yuba Gap; Placer & Nevada county boundary 1706 Comment
  RSA752669  Downingia ornatissima var. ornatissima George K. Helmkamp, E. A. Helmkamp 2008-4-17 13282 Placer Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UC660005  Downingia ornatissima var. ornatissima Lincoln Constance 1941-5-28 2823 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  SCFS1204  Draperia systyla E. Krimmel 2014-6-26 Placer NFAm. Comment
  SEINET7249205  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  CAS-BOT-BC401541  Drosera rotundifolia C. F. Sonne 1886-8-8 107 Placer Sierra Nevada Mts. Canyon above Coldstream Comment
  UC567172  Drymocallis glandulosa var. glandulosa N. French 1934-5-31 390 Placer one mi se Texas Hill; Colfax Quadrangle Comment
  UC66117  Drymocallis hansenii P. B. Kennedy 1901-8-18 417 Placer 7 mi from French Meadows; 7 mi from French Meadows Comment
  SEINET9315648  Dudleya cymosa Unknown 2009-5-7 14610 A Placer Sierra Nevada Mountains Foothills Comment
  UC101043  Dudleya cymosa Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC113798  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  SACT001021  Echinochloa colona Josephine Van Ess 1976-9-15 Placer Collected along the road to dam. Dried bank of the lake. 76.2 Comment
  UCD61168  Echinochloa oryzicola Joel Kitzmiller 1976-6-24 Placer Pleasant Grove. Comment
  JEPS103509  Eleocharis bella Lowell Ahart 2002-7-22 9909 Placer S side of small natural lake on E side of paved rd to Lake Valley Reservoir, 1/4 mi E of Yuba Gap and Hwy 80 1773 Comment
  CAS-BOT-BC113376  Eleocharis engelmannii Catherine Best 1984-8-11 1032 Placer South Campground, Camp Far West Reservoir. 91 Comment
  CAS-BOT-BC113378  Eleocharis engelmannii A. A. Heller 1917-8-12 12874 Placer Southern Pacific reservoir W of Emigrant Gap. Comment
  CAS-BOT-BC113379  Eleocharis engelmannii A. A. Heller 1917-8-12 12874 Placer Southern Pacific reservoir W of Emigrant Gap. Comment
  UCD49595  Eleocharis engelmannii A. A. Heller 1917-8-12 12874 Placer Southern Pacific reservoir west of Emigrant Gap in coarse granite sand, the flat about the pond. Syst. 2: 152. 1817. Comment
  CAS-BOT-BC112055  Eleocharis quinqueflora John Thomas Howell 1943-7-19 18575 Placer Summit Valley. Comment
  UCR229454  Elymus cinereus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17898 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  UCD61513  Elymus elymoides L. M. Sparks 1912-8-1 17 Placer Lake Tahoe. 1920 Comment
  CDA31705  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  SACT001107  Elymus glaucus Michael Baad 1983-7-23 Placer 1828.0 Comment
  SACT001109  Elymus glaucus Josephine Van Ess 1977-5-13 Placer Collected near Mount Vernon Road. Shaded roadside bank. 353.7 Comment
  SACT001112  Elymus glaucus Michael Baad 1983-7-1 Placer .4 mile beyond airport road from I80 to Blue Canyon 1584.96 Comment
  SACT001135  Elymus glaucus Michael Baad 1977-6-21 Placer On Colfax to Forest Hill Road, east-facing cliff, streamside habitat. 670.0 Comment
  SACT001136  Elymus glaucus Michael Baad 1983-6-26 Placer On Michigan Bluff Road. 1158.0 Comment
  UCD36673  Elymus glaucus subsp. glaucus Beecher Crampton 1955-6-15 2911 Placer Placer County, 0.5 mile north of Forest Hill, on road to Yankee Jims. 975 Comment
  UCD43062  Elymus glaucus subsp. glaucus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 430 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43242  Elymus glaucus subsp. glaucus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 611 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SACT001087  Elymus glaucus subsp. jepsonii D. Meyer 1983-7-24 Placer North of Interstate 80, roadside. 909.0 Comment
  UCR240907  Elymus glaucus var. glaucus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19229 A Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  POM264448  Elymus multisetus A. A. Beetle 1941-5-26 2688 Placer 10 miles west of Colfax 762 Comment
  UC33986  Elymus sierrae C. F. Sonne Sept. 1892 1 Placer mts. above Coldstream 2590 Comment
  UCD36671  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2908 Placer Placer County, Yankee Jims. 807 Comment
  UCD62736  Elymus trachycaulus subsp. subsecundus R. Tofsrud 1947-7-12 42 Placer Placer County. 1524 Comment
  CHSC67860  Elymus trachycaulus subsp. trachycaulus James D. Jokerst 1986-7-13 2709 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  CHSC74340  Elymus trachycaulus subsp. trachycaulus Susi Urie 1998-9-2 98 -212 Placer Lake Tahoe Basin-National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  SACT001152  Elymus triticoides Josephine Van Ess 1977-5-20 Placer Collected near Duty Creek. Moist roadside. 85.4 Comment
  CDA18052  Elytrigia repens T. Morgan 1999-7-19 PDR 1223646 Placer 2- 2 ft. x 2 ft. areas growing from old ball and burlaped birches in holding area at Green Thumb Landscaping, 2865 Hillcrest Ave., Tahoe City. 0 Comment
  JEPS72759  Epilobium canum subsp. latifolium Gladys L. Smith 1972-8-25 3443 Placer glacial stairsteps above Squaw Valley (on trail to Granite Chief) 2225 Comment
  SBBG5062  Epilobium ciliatum E. R. Blakley 1960-9-3 3819 Placer Kings Beach, Lake Tahoe 1903 Comment
Read comments
Jun 21 2012
  UCD124133  Epilobium ciliatum Ellen Dean; Marcel Rejmanek 2012-10-9 7507 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD75765  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5236 a Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CHSC73964  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-9-1 98 -187 Placer Lake Tahoe Basin--National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CDA15937  Epilobium ciliatum subsp. glandulosum G. F. Hrusa, J. Glazner 1999-7-17 15155 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC81802  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2001-10-10 9355 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. Along river. 1591 Comment
  CDA15988  Epilobium densiflorum G. F. Hrusa, J. Glazner 1999-7-17 15168 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS59476  Epilobium hallianum Ezra Brainerd and Viola B. Baird 1915-7-12 218 Placer Donner Lake Sierra Nevada Mts. 1828 Comment
  SEINET6637354 Image available Epilobium hallianum A. A. Heller 1919-7-25 13302 b Placer near Yuba River below Cisco 1676 Comment
  UC66584  Epilobium obcordatum P. B. Kennedy and S. B. Doten 1901-8-10 276 Placer near summit of Devils Cliff; Summit-Soda Springs Comment
  UCD150705  Epilobium obcordatum James A. Neilson Jr. 1970-9-6 1874 Placer Tahoe Basin, South Ward Creek ridge. 2438 Comment
  SEINET12191335  Epilobium obcordatum C. F. Sonne 1885-1 109 Placer Comment
  SEINET12861533  Epilobium obcordatum W. D. Billings 1951-8-21 2145 Placer Sierra Nevada, Squaw Peak 2591 Comment
  JEPS127507  Epilobium torreyi Steve Matson 2000-6-20 472 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek Comment
  UCSC003236  Equisetum hyemale subsp. affine Randall Morgan 2005-5-30 s.n. Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista Comment
  CAS-BOT-BC57241  Equisetum laevigatum E. R. Blakley 1960-9-3 3822 Placer Kings Beach, Lake Tahoe 1905 Comment
  SD81088  Equisetum laevigatum Darley F. Howe 1971-7-3 Placer Truckee 1830 Comment
  CAS-BOT-BC284067  Eragrostis pectinacea var. pectinacea Peter H. Raven 1954-8-27 7958 Placer Penryn, Sierra Nevada Comment
  CAS-BOT-BC174095  Eremogone aculeata J. P. Moore 1877-7-1 490 Placer Summit Comment
  CAS-BOT-BC481928  Eremogone congesta var. congesta Clare B. Hardham 1978-8-11 21767 Placer SE of Thompson Peak Comment
  UCR209737  Ericameria George K. Helmkamp, E. A. Helmkamp 2009-8-12 15428 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  OBI49186  Ericameria bloomeri Lewis S. Rose 1938-9-14 38270 Placer Truckee river, 3 mi NW of Tahoe City 1829 Comment
  UC669305  Ericameria bloomeri Annie M. Alexander and Louise Kellogg 1941-10-3 2643 Placer Truckee River 1828 Comment
  UC1119757  Ericameria nauseosa var. speciosa B. Bolt 1934-8-23 199 Placer Mt. Mildred Tahoe National Forest, Truckee Quadrangle, Mt. Mildred 2468 Comment
  UC201335  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer ridge nw Donner Pass 2377 Comment
  UCD21886  Erigeron Rex Palmer 1979-6-9 N 164 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC296763  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer Summit Valley 2118 Comment
  CAS-BOT-BC300670  Erigeron foliosus var. hartwegii H. M. Hall 1916-6-4 10154 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada 400 Comment
  UCD75702  Erigeron glacialis Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5151 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CAS-BOT-BC300830  Erigeron glacialis var. glacialis Alice Eastwood 1909-1-1 302 Placer Lake Tahoe Region. Wards Pass Comment
  UC1118188  Erigeron glacialis var. glacialis B. Bolt 1934-7-16 115 Placer 0.5 mi s of Lost Emigrant Mine; Tahoe National Forest, Truckee Quadrangle 2072 Comment
  UC148937  Erigeron glacialis var. glacialis H. M. Hall 1910-7-11 8754 Placer near Cisco Comment
  UCD74030  Erigeron glacialis var. glacialis Jennifer W. Burt 2005-7-16 108 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from coniferous forest near abandoned ski runs. 1947 Comment
  CAS-BOT-BC295206  Erigeron inornatus A. A. Heller 1919-7-25 13289 Placer Near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC295209  Erigeron inornatus R. F. Hoover 1967-9-5 10831 Placer Cornelian Bay, Lake Tahoe Comment
  CAS-BOT-BC295208  Erigeron inornatus Peter H. Raven 1956-8-4 10003 Placer Dirt road north of Emigrant Gap 1493 Comment
  UC1124281  Eriodictyon californicum N. French 1934-5-29 375 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle 1463 Comment
  UCR190659  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2007-5-23 12081 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  CAS-BOT-BC255404  Eriogonum Saichi Kawahara 1969-7-6 1473 Placer Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest 1139 Comment
  JEPS126263  Eriogonum elatum var. elatum Steve Matson 2000-7-6 470 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  JEPS72790  Eriogonum incanum Gladys L. Smith 1972-6-20 3254 Placer slope just below Ward Peak summit 2628 Comment
  CAS-BOT-BC259347  Eriogonum lobbii D. L. Smith; G. L. Stebbins 1976-7-3 C 7672 Placer Big Crater, on northwest side of Ralston Ridge 1280 Comment
  CAS-BOT-BC259351  Eriogonum lobbii James R. Shevock 1985-8-9 11340 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 in Picayune Valley 2050 Comment
  UC1032139  Eriogonum lobbii var. lobbii N. French 1934-6-22 349 Placer 1/2 mi w Lake Van Norden; Tahoe N.F., Truckee Quadrangle Comment
  CDA22618  Eriogonum marifolium Jim Jokerst 1986-7-13 2717 A Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, stop along trail south of Middle Fork American River. Comment
  UCR207125  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15222 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  CAS-BOT-BC264813  Eriogonum nudum var. deductum F. A. Mac Fadden 1934-7-1 12557 Placer Canyon Creek, Monte Vista Comment
  UC1035671  Eriogonum nudum var. deductum Kay H. Beach 1940-6-30 795 Placer 2 1/2 mi w Cisco (s side of Yuba River); Yuba River 1981 Comment
  UCD162545  Eriogonum nudum var. nudum Steve Matson 2006-7-7 1641 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; along road North Ave. dirt extension. 1908 Comment
  RSA393328  Eriogonum nudum var. nudum Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UCD21941  Eriogonum spergulinum Beth Lowe Corbin 1982-8-17 354 Placer 2 1/2 miles WSW of The Cedars. Along logging road in brushy, White Fir forest. Calyx white with brown midribs. Full sun. NW facing slope, 25% incline. Locally common. 1920 Comment
  CAS-BOT-BC269933  Eriogonum spergulinum var. reddingianum A. A. Heller No date on label 12894 Placer Summit Station 2121 Comment
  CDA15882  Eriogonum spergulinum var. reddingianum G. F. Hrusa, L. Serafini 1993-6-29 11258 Placer S side of French Meadows Reservoir immediately below dam. Comment
  UC565934  Eriogonum spergulinum var. reddingianum N. French 1934-6-22 474 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  JEPS111184  Eriogonum strictum var. proliferum Steve Matson 2005-7-10 1390 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 500 meters W of parking area 1783 Comment
  UCD101337  Eriogonum umbellatum Frederica Bowcutt 1994-7-22 1953 Placer Sierra Nevada Mtns, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. Proposed restaurant site. 2438 Comment
  CAS-BOT-BC265152  Eriogonum umbellatum var. nevadense Lewis S. Rose 1938-9-14 38257 Placer South Fork of Yuba River, Cisco 1615 Comment
  JEPS126336  Eriogonum umbellatum var. nevadense Steve Matson 1998-7-12 339 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters south of Martis Dam Road, north of airport creek. Comment
  UC615502  Eriogonum umbellatum var. nevadense Beryl O. Schreiber 1932-9-11 770 Placer Summit Comment
  UCD101380  Eriogonum umbellatum var. nevadense Tamara Kan 1992-7-25 s.n. Placer east slope of Silver Peak in open habitat. 2316 Comment
  UCD21935  Eriogonum umbellatum var. nevadense Rex Palmer 1979-6-10 N 182 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS14350  Eriogonum ursinum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, D. Zohary, J. Hunziker, H. Stutz, F. Ehrendorfer 1952-7-20 3879 Placer n-facing serpentine slope just s Shirttail Public Camp (6 mi e of Iowa Hill); Tahoe Nat. Forest 1066 Comment
  SCFS1004  Eriogonum ursinum E. Krimmel 2014-6-26 Placer Comment
  CAS-BOT-BC262235  Eriogonum ursinum A. Kellogg No date on label s.n. Placer Sierra Nevada Mts Comment
  UCD34056  Eriogonum wrightii Beecher Crampton 1975-10-14 9329 Placer Placer County, Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  SEINET3814379 Image available Eriogonum wrightii subsp. trachygonum Lewis S. Rose 1938-9-14 38260 Placer South Fork of Yuba River. 1615 Comment
  CAS-BOT-BC261800  Eriogonum wrightii var. subscaposum F. A. M. 1934-8-10 12857 Placer Cisco Comment
  CAS-BOT-BC261916  Eriogonum wrightii var. subscaposum Henry M. Pollard 1936-7-1 s.n. Placer Rainbow Tavern, Donner region 1828 Comment
  JEPS56105  Eriogonum wrightii var. subscaposum Leland S. Smith 1925-1-1 1733 Placer Truckee River drainage Tahoe National Forest, Truckee River drainage Comment
  UCD101553  Eriogonum wrightii var. subscaposum Tamara Kan 1992-7-20 s.n. Placer east slope of Silver Peak in open habitat. 2316 Comment
  CAS-BOT-BC300950  Eriophyllum lanatum Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CAS-BOT-BC301310  Eriophyllum lanatum var. croceum M. E. Jones 1882-6-30 s.n. Placer Emigrant Gap Comment
  UCD21717  Eriophyllum lanatum var. croceum Beth Lowe Corbin 1982-8-11 322 Placer 1 3/4 miles SW of Onion Creek campground. In rocky outcrop in montane chaparral. Ray and disc flowers yellow. Full sun. SE facing slope, 45% incline. Occasional. 1935 Comment
  CAS-BOT-BC301412  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 miles east of Colfax Comment
  UC201298  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 mi e of Colfax Comment
  UCD132209  Eriophyllum lanatum var. grandiflorum A. S. Crafts 1926-5-1 785 Placer American River Canyon. Comment
  UCR249592  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20830 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  JEPS59444  Eriophyllum lanatum var. integrifolium Ezra Brainerd and Viola B. Baird 1915-7-7 169 Placer Squaw Valley Sierra Nevada Mts., Squaw Valley Comment
  UCD103072  Erodium botrys M. H. Mills 1996-4-12 131 Placer Corner of Eden Oaks Circle and Walden Lane, Loomis. 180 Comment
  SEINET8566747  Erodium cicutarium C. Aarstad, H. Mozingo 1979-4-1 s.n. Placer 0.5 mile E of junction of old and new Auburn-Forest Hills Road. 792 Comment
  UC764564  Eryngium vaseyi R. F. Hoover 1938-7-30 3710 Placer 4 mi. e. Loomis Comment
  SEINET3245753  Erysimum capitatum var. capitatum G. K. Helmkamp, E. A. Helmkamp 2009-1 15214 Placer Sierra Nevada Mountains: Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat (Duncan Peak 7.5') 2019 Comment
  UCR191094  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12329 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CAS-BOT-BC55096  Erysimum perenne D. E. Breedlove 1962-6-13 3540 Placer Sierra Nevada. On steep bank of Truckee River, 7.0 miles south of Truckee. 1828 Comment
  CAS-BOT-BC55100  Erysimum perenne John H. Thomas; Hazelle A. Thomas 1956-7-21 6120 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CDA16815  Erysimum perenne G. F. Hrusa, J. Glazner 2001-7-15 15954 Placer Sierra Nevada; N summit face of Crows Nest Pk. immed. W of Sugarbowl. 2346 Comment
  UCD150486  Erysimum perenne James A. Neilson Jr. 1971-5-27 2090 Placer Tahoe Basin, Brockway Springs. 1901 Comment
  CHSC82573  Erythranthe breweri Lowell Ahart 2002-7-22 9900 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  SEINET14196929  Erythranthe breweri H. M. Hall 1910-6-22 165 Placer Cisco. 1800 Comment
  CHSC11052  Erythranthe cardinalis Lowell Ahart 1966-8-12 Placer French Meadows. 1676 Comment
  CHSC74128  Erythranthe corallina Susie Urie 1998-8-13 98 -041 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SEINET14217904  Erythranthe guttata F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  SEINET6793894 Image available Erythranthe lewisii Sally Walker 1982-1 Placer Ski area above Tahoe, Truckee Rd Comment
  SEINET8399963  Erythranthe lewisii Unknown 1968-7-11 2135 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89 Alpine Meadow. 2073 Comment
  CAS-BOT-BC505237  Erythronium grandiflorum A. A. Heller 1917-6-17 12685 Placer Granite rocks near the Yuba river below Cisco 1676 Comment
  POM260107  Erythronium multiscapideum C. L. Hitchcock 1940-5-7 6310 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC502825  Erythronium multiscapideum Georgia Bentley 1919-4-20 s.n. Placer Auburn near American River Comment
  UC197230  Erythronium multiscapideum C. F. Sonne 1891-4-5 Placer hillside below Bloomer cut; Auburn Comment
  JEPS61870  Erythronium purpurascens L. S. Smith 1926-5-26 1867 Placer Tahoe Forest, Duncan Canyon 1676 Comment
  RSA739849  Erythronium purpurascens Jon Winter s.n. Placer Placer County: Tahoe National Forest, Duncan Peak Lookout Station. 2190 Comment
  HSC82613  Eschscholzia caespitosa Thomas W. Nelson, Jane P. Nelson 1979-4-11 4604 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UC142937  Eschscholzia caespitosa Katharine Brandegee 1909-4-28 Placer near Auburn (along the river grade) Comment
  CAS-BOT-BC403345  Eschscholzia californica Larry Doughty 1961-3-18 s.n. Placer North Fork of the American River, 5 mi. south of Auburn-Hy. 49 396 Comment
  UC70403  Eschscholzia lobbii Milo S. Baker 1900-2-11 Placer Auburn Comment
  UCD21706  Eucephalus breweri Rex Palmer Date Unknown N 891 Placer Placer County Comment
  UCR200857  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2008-9-15 14101 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UCR257733  Eucephalus breweri George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19517 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  SEINET11261856  Euphorbia crenulata George Helmkamp, E. A. Helmkamp 2012-5-11 18943 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.2 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1104 Comment
  UCD143099  Euphorbia crenulata G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10707 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  UCR235502  Euphorbia crenulata George K. Helmkamp, E. A. Helmkamp 2012-5-11 18943 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  CDA33332  Euphorbia epithymoides J. Honeycutt 2010-6-25 PDR# 1332623 Placer Tahoma; Hwy 89 right-of-way 0 Comment
  UCD38932  Euphorbia serpillifolia Beecher Crampton 1961-9-27 6005 Placer 1 mile west of Cisco Grove, along US Hwy 40. Comment
  UCD42899  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 267 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43311  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 679 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET3828364  Fabaceae G. K. Helmkamp, E. A. Helmkamp 2011-1 17854 Placer Northern Sierra Nevada Mountains: Emigrant Gap Road, 0.1 miles west of its junction with US-80 0.65 mi NE (65 degrees) of Emigrant Gap. (Blue Canyon 7.5') 1590 Comment
  CDA36372  Festuca dertonensis G. K. Helmkamp, E. A. Helmkamp 2009-3-11 14387 Placer Sacramento Valley; Ranch House Road, 0.2 mile south of Sheridan. Comment
  SACT002493  Festuca megalura Josephine Van Ess 1976-4-14 Placer Sunny roadside slope 91.5 Comment
  CHSC112167  Festuca occidentalis Dean Wm. Taylor 2013-6-19 21371 Placer Ralston Ridge (ca 15 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down from (North of) Forest Road 25 along the ridgecrest. 1482 Comment
  SACT001172  Festuca ovina D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT001174  Festuca pacifica Josephine Van Ess 1976-4-14 Placer Sunny slope. 91.5 Comment
  CAS-BOT-BC278935  Festuca rubra W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  UC859946  Fragaria vesca C. L. Hitchcock 1940-5-7 6318 Placer ca 1 mi w Baxter Comment
  CAS-BOT-BC447513  Fragaria virginiana var. platypetala anonymous 1906-7-15 s.n. Placer Tahoe Tavern Comment
  HSC95743  Frangula californica Phyllis Adams 1982-5-9 39 Placer In American River Canyon along Hwy. 49 244 Comment
  SD10077  Frangula californica subsp. tomentella Brandegee Sept 1888 Placer Dutch Flat Comment
  CAS-BOT-BC55703  Frangula rubra subsp. obtusissima Carl B. Wolf 1928-8-22 3433 Placer 1 mi. W. of Emigrant Gap 1636 Comment
  CAS-BOT-BC55782  Frangula rubra subsp. rubra Alice Eastwood 1912-6-15 422 Placer Deer Park, Lake Tahoe region Comment
  CAS-BOT-BC55784  Frangula rubra subsp. rubra John Thomas Howell; Gordon H. True 1968-6-9 44514 Placer Alta 1066 Comment
  LA93377  Fritillaria agrestis Lynn Gould; 1962-3-31 15 Placer 2 mi. W of Roseville on Central Avenue Comment
  CHSC3140  Fuchsia hybrida Gary Dutton 1966-4-29 169 Placer Found 228 Donner Ave. Roseville. Comment
  CDA37053  Galium aparine CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCR250272  Galium aparine George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20335 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 Comment
  UCR253574  Galium aparine George K. Helmkamp, Amy Barnes 2014-4-23 22800 Placer Sierra Nevada Mountains Foothills, Old Auburn-Foresthill Road, 1.7 miles northeast of its junction with CA-49 at North Fork American River 407 Comment
  SD235015  Galium bolanderi G. K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1310 Comment
  SEINET4691674  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-1 16799 Placer Northern Sierra Nevada Mountains: American Hill Road, 1.2 miles south of its junction with Foresthill Road. 1567 Comment
  UC888784  Galium bolanderi Marcus E. Jones, A. M. 1882-6-27 3290 Placer Emigrant Gap Comment
  UCR176261  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCR190660  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2007-5-23 12071 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  UCR206857  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15200 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CDA16821  Galium grayanum subsp. grayanum G. F. Hrusa, J. Glazner 2001-7-15 15961 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  CDA36879  Galium parisiense CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  UCD121868  Galium parisiense B. Crampton 1955-6-15 2917 Placer 8 miles west of Forest Hill. Comment
  UCD160266  Galium parisiense Chuck Hughes 2014-5-28 402 Placer Between Highway 49 and Canal Street in North Auburn. 439 Comment
  UCR219679  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SBBG7322  Galium trifidum E. R. Blakley 1960-9-3 3815 Placer King's Beach, Lake Tahoe 1903 Comment
  CHSC74257  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-11 98 -348 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC74262  Galium triflorum Susi Urie; Eric Schroder 1998-9-12 98 -365 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  SACT001228  Gastridium ventricosum Josephine Van Ess 1979-5-15 Placer Collected on horse trail north from Twin Rocks Road at beginning of chamise area. Edge of chaparral. 152.4 Comment
  SD247469  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19896 Placer Northern Sierra Nevada Mountains: junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap. 1634 Comment
  JEPS127460  Gayophytum diffusum subsp. parviflorum Steve Matson 1997-8-9 167 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  UCD103632  Gayophytum diffusum subsp. parviflorum D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 Comment
  UCR171343  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9988 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  OBI12035  Gayophytum heterozygum Robert F. Hoover 1967-9-5 10826 Placer Carnelian bay, Lake Tahoe Comment
  SEINET4150924  Gayophytum heterozygum L. R. Miller 1929-7-21 s.n. Placer East end of Donner Lake Comment
  RSA201910  Gentiana simplex Rowena Beans 1914-9-7 s.n. Placer Lake Tahoe, west of Lavern two miles. Comment
  JEPS47083  Gentianella amarella subsp. acuta Rowena Beans 1914-9-7 Placer Tahoe; Lake Tahoe Comment
  UCD44024  Gentianopsis simplex C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1390 Placer Lake Tahoe Basin. Comment
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Nov 8 2013
  JEPS47058  Gentianopsis simplex Rowena Beans 1914-9-7 Placer w. of Tahoe Tavern 2 mi., Lake Tahoe Lake Tahoe Comment
  SD3710  Gentianopsis simplex C. F. Sonne Sep 1897 Placer Tamarack Flat on Truckee River. Comment
  RSA0028446  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15904 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  SD241039  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-12 17258 Placer Southern Sacramento Valley: south of Lincolnalong Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mile west of Industrial Ave. (Roseville 7.5'Q) 41 Comment
  JEPS127402  Geranium molle Steve Matson 2006-4-23 1608 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  SD243152  Geranium molle George K. Helmkamp, E. A. Helmkamap 2011-4-10 17135 Placer Sacramento Valley: east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road. 98 Comment
  UCD103440  Geranium molle K. O'Keefe 1995-6-4 s.n. Placer 3 miles west of Forest Hill (town) on the north side of Forest Hill Road. Sierra foothills, northeast of Auburn, CA. 800 Comment
  SD43656  Geranium pilosum Darley F. Howe 1948-5-21 1911 Placer 456 Comment
  UCD42916  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 284 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET192482  Gilia capillaris A. A. Heller 1927-8-15 14445 Placer Near the Yuba River Cisco Comment
  UCR250166  Gilia capitata subsp. mediomontana George K. Helmkamp, Mary Alice Barnes 2013-5-3 20482 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCD34138  Gilia tricolor Beecher Crampton 1977-4-3 9462 Placer Placer County, 3.5 miles north of Auburn, just east of Elder's Corner on Dry Creek Road. Comment
  RSA537481  Gilia tricolor subsp. diffusa Barbara Ertter, David M. Thompson 1989-4-8 8156 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UC30184  Gilia tricolor subsp. diffusa H. N. Bolander 1865-4-13 4574 Placer near Auburn; near Auburn Comment
  JEPS111140  Githopsis specularioides Steve Matson 2005-4-17 1218 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  CHSC97767  Glinus lotoides Lowell Ahart 2007-11-13 14594 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  JEPS115006  Glinus lotoides Lowell Ahart 2007-11-13 14594 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan 73 Comment
  RSA726430  Glinus lotoides L. Ahart 2007-11-13 14594 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 air miles northeast of Sheridan. 74 Comment
  CDA15668  Glyceria elata G. F. Hrusa, J. Glazner 1999-7-18 15214 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC303818  Gnaphalium John Thomas Howell 1976-7-18 51933 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  CAS-BOT-BC307367  Gnaphalium palustre Margaret Williams 1974-8-8 74 -P1-1 Placer Murphy's Meadow 5 miles southeast of Hirschdale, Sierra Nevada 2316 Comment
  UCD21883  Gnaphalium palustre Beth Lowe Corbin 1982-8-3 185 Placer Onion Creek campground. In fine, sandy, granitic soil, in a somewhat disturbed area in open meadow. Annual. Phyllaries whitish. Full sun. Southwest facing slope. Common. 1841 Comment
  SCFS11529147  Goodyera oblongifolia F. Felix 2014-5-10 Placer Along NF trail between Cedars and Onion Creek crossing Comment
  CHSC96509  Gratiola ebracteata Lowell Ahart; Brian Williams 2007-4-13 13653 Placer On damp granite soil, on the bottom of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  JEPS18866  Gratiola ebracteata Rimo Bacigalupi with G. T. Robbins and Fran Chisaki 1956-4-20 5631 Placer along the county road from Roseville to Antelope which parallels the S.P. Ry. at Sacramento-Placer County line 42 Comment
  OBI16391  Grindelia camporum Robert F. Hoover 1965-6-24 9452 Placer 2 mi N of Auburn on road to Grass Valley (hwy 49) Comment
  UCD159462  Grindelia camporum D. S. Park 2010-8-11 216 Placer Hiking trail off Old Forest Hill Rd. overlooking American River. Common. Growing along mountainside. 176 Comment
  JEPS41903  Grindelia hirsutula W. H. Shockley Jun 1886 Placer Auburn Comment
  JEPS71663  Hackelia micrantha Gladys L. Smith 1972-6-18 3136 Placer Alpine Meadows 2072 Comment
  UCD22140  Hackelia micrantha Rex Palmer 1979-7-12 N 656 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA235889  Hackelia micrantha J. L. Gentry Jr., Earl Jensen Jr. 1968-7-11 2131 Placer Alpine Meadows, 3.3 miles northwest of Hwy. jct. Calif. 89 & 28 at Tahoe City on Calif. 89, 3.2 miles west of Calif. 89. 2073 Comment
  JEPS71517  Hackelia nervosa Gladys L. Smith 1972-6-20 3241 A Placer ridge from chairlift terminus to Ultimate Summit Peak; Ward Peak 2632 Comment
  UC174287  Hackelia nervosa A. A. Heller 1912-7-20 10591 Placer Summit 2072 Comment
  CHSC69870  Helenium bigelovii L. P. Janeway; Eric Schroder 1997-7-17 5248 Placer Meadow on the southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  SACT000810  Heleochloa schoenoides Josephine Van Ess 1982-11-13 Placer Folsom Lake. ON horsetail North from Twin Rocks Road. Open flat area. Comment
  SACT000811  Heleochloa schoenoides Josephine Van Ess 1976-8-11 Placer Collected on outskirts of Lincoln in dried pond near clay plant. Comment
  UC88866  Helianthella californica subsp. nevadensis unknown 1888-9-1 Placer Blue Canyon Comment
  UCD21772  Helianthella californica var. nevadensis Beth Lowe Corbin 1982-8-4 212 Placer 1/4 mile west of Onion Creek campground. In fine, sandy soil of montane chaparral. Ray and disc flowers deep yellow. Full sun. SW facing slope, 15% incline. Locally abundant. 1889 Comment
  UCR190223  Helianthella californica var. nevadensis George K. Helmkamp, E. A. Helmkamp 2007-8-1 12648 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  CAS-BOT-BC314974  Hemizonella minima H. M. Hall 1910-7-11 8760 Placer Cisco Butte, Sierra Nevada Mountains 1981 Comment
  SEINET9343148  Herniaria hirsuta Unknown 2010-6-26 16373 Placer Sierra Nevada Mountains Foothills Comment
  POM75559  Hesperochiron californicus Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  JEPS71648  Hesperochiron pumilus Gladys L. Smith 1972-6-18 3158 Placer Alpine Meadows 2072 Comment
  UCR194936  Hesperolinon californicum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12017 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SD81183  Hesperolinon micranthum D. F. Howe 1971-6-29 Placer 1.4 miles east of Horest Hill. 1096 Comment
  UCR218452  Heuchera micrantha George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16425 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  SEINET215105  Heuchera micrantha var. erubescens R. W. Cooper 1968-5-18 29 Placer American River Cyn 5 mi W of Foresthill Comment
  SD243095  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16635 Placer Northern Sierra Nevada Mountains Foothills: Forest Route 10 (Sugar Pine Road) 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34a^z) of Foresthill (Michigan Bluff 7.5'Q) 1310 Comment
  UCD132316  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR233269  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17680 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CAS-BOT-BC319759  Hieracium argutum Rimo Bacigalupi; G. L. Stebbins; Alex Hawkes; et al. 1952-7-19 3855 Placer Along the North Fork of the American River directly below Cape Horn 1/2 mile upstream from teh bridge on the Colfax-Iowa Hill Road 381 Comment
  UCD133111  Hieracium argutum G. L. Stebbins Jr.; J. Hunziker, H. Stutz, D. Zohary 1952-7-20 5134 Placer steep, north-facing slope. Along road from Colfax to Forest Hill, 1/2 mile south of crossing of American River. 304 Comment
  SEINET11259328 Image available Hieracium horridum W. D. Billings 1951-8-21 2148 Placer E. side of Granite Chief, Sierra Nevada 2621 Comment
  SACT001284  Holcus lanatus Josephine Van Ess 1976-6-16 Placer Collected just south of Douglas Blvd. Moist streambank. Comment
  SACT001290  Holcus lanatus D. Meyer 1984-6-23 Placer Collected along Placer/Nevada County line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  SACT001291  Holcus lanatus D. Meyer 1984-6-3 Placer 585.0 Comment
  CHSC96323  Holocarpha virgata subsp. virgata L. P. Janeway 2006-8-24 8873 Placer Sacramento Valley. Along Hwy 193 about 3.5 km north of Lincoln. 41 Comment
  SACT001307  Hordeum brachyantherum D. Meyer 1983-8-7 Placer Tahoe City along east bank of the Truckee River. 1879.0 Comment
  SACT001312  Hordeum brachyantherum D. Meyer 1984-8-26 Placer 1660.0 Comment
  UCD42935  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 304 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43005  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 374 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SACT001323  Hordeum californicum D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City Shooping center near lake shore. 1891.0 Comment
  SACT001331  Hordeum depressum Josephine Van Ess 1976-3-31 Placer Collected at top of hill north of Rocklin about 6 miles of Placer. Dried up depression. 83.8 Comment
  SACT001368  Hordeum leporinum Josephine Van Ess 1977-4-29 Placer 39.6 Comment
  SACT001374  Hordeum leporinum D. Meyer 1984-6-23 Placer and Forest road. .16 km from I80-Frontage Road. 352.0 Comment
  RSA0106510  Hordeum murinum subsp. glaucum George K. Helmkamp, Amy Barnes 2014-3-21 22634 Placer Sacramento Valley: Riosa Road at the east side of its junction with CA-65, just west of Sheridan. 33 Comment
  UCR172651  Hordeum murinum subsp. leporinum George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10196 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  SCFS1124  Horkelia fusca E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. On trail 0.2-m from Cedars. Comment
  UC1128154  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 124 Placer 1/2 mi s Lost Emigrant Mine; Truckee Quad., Tahoe National Forest 2072 Comment
  SEINET6758962  Horkelia fusca subsp. parviflora L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  UCD22268  Horkelia fusca var. parviflora Beth Lowe Corbin 1982-8-11 328 Placer 1 1/2 miles WNW of Onion Creek Campground. 1935 Comment
  CAS-BOT-BC537863  Horkelia fusca var. parviflora A. A. Heller 1919-7-25 13302 Placer Sandy flat near the Yuba river, below Cisco 1676 Comment
  UCD38506  Horkelia tridentata Beecher Crampton 1955-7-13 3001 Placer Mountain flats and slopes along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  SDSU9076  Horkelia tridentata D. F. Howe 1965-5-20 4059 Placer Canyon on south side of north fork of American River between Forest Hill and Yankee Jims. 914 Comment
  UCD106158  Hosackia oblongifolia R. Tofsrud 1951-7-1 s.n. Placer ca. 5 mi. below Soda Springs, Hwy. 40. Comment
  SCFS11529139  Hosackia pinnata E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2.5 mi downstream from Cedars. Growing on sandy riverbank. Comment
  UCD106044  Hosackia pinnata R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax, CA. Comment
  JEPS126284  Hydrophyllum capitatum var. alpinum Steve Matson 1998-5-19 191 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  UC24090  Hydrophyllum capitatum var. alpinum C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  JEPS1655  Hydrophyllum occidentale Lloyd Austin 1924-1 Placer Alta Comment
  CDA7483  Hymenothrix loomisii T. C. Fuller 1963-10-21 11407 Placer South side of Highway 40 freeway to Donner Summit, 4.8 miles east of Weimar, 1 mile east of Colfax. 0 Comment
  UC128392  Hypericum anagalloides Miss Harriet A. Walker 1908-7-27 1461 Placer Yuba R. near Cisco; Yuba R. Comment
  UC871756  Hypericum anagalloides P. A. Lebenbauer 1932-6-26 Placer on shore Lake Tahoe (Tahoe City); , Tahoe City 1898 Comment
  UC420707  Hypericum concinnum W. W. Mackie Apr 1 1904-May 1 1904 Placer Newcastle Comment
  CHSC73049  Hypericum formosum var. scouleri L. P. Janeway 1998-8-6 5962 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  JEPS111214  Hypericum formosum var. scouleri Steve Matson 2005-7-4 1380 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; 39.2870 N, 120.1399 W: elevation 5,900 ft. 1798 Comment
  RSA458263  Hypericum perforatum Wm. Martin 1971-9-10 20246 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  CAS-BOT-BC401266  Hypericum perforatum Marcus E. Jones 1930-7-11 s.n. Placer Auburn Comment
  CAS-BOT-BC401268  Hypericum perforatum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  SEINET5343957  Hypericum perforatum M. J. Williams 1985-7-6 85- 63 -1 Placer Pacific Crest Trail between old and new Donner Summits, Sierra Nevada Comment
  JEPS126290  Hypericum perforatum subsp. perforatum Steve Matson 1998-8-15 378 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; near Highway 28. Comment
  UCD38901  Hypericum perforatum subsp. perforatum Beecher Crampton 1959-7-23 5424 Placer 6 miles north of Folsom. Comment
  RSA0036081  Hypericum scouleri Marcus E. Jones 1930-7-11 s.n. Placer Auburn Comment
  JEPS111141  Hypochaeris glabra Steve Matson 2005-4-17 1217 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  CAS-BOT-BC312895  Hypochaeris glabra Leland S. Smith 1926-5-23 s.n. Placer Forest Hill Divide, south of Colfax Comment
  UC1048671  Ipomopsis aggregata Lewis S. Rose 1941-6-11 41310 Placer Chambers Lodge Lake Tahoe Comment
  UC1123679  Ipomopsis aggregata B. Bolt 1934-7-6 85 Placer 1.5 mi se Monumental Hill; Tahoe National Forest, Colfax Quad. 1981 Comment
  SCFS1168  Ipomopsis aggregata E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Comment
  UC1249640  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer ca 1.5 mi s Homewood (along state hwy 89) Comment
  UC908137  Ipomopsis aggregata H. L. Mason 1932-9-9 7181 Placer Carson Meadows Comment
  SBBG58361  Ipomopsis aggregata subsp. aggregata M. N. Ackley -Jun-1925 813 Placer Gold Run 983 Comment
  UCR233460  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2011-8-26 18180 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  UC879923  Ipomopsis congesta Alice Eastwood Jun 15 1912-Jun 19 1912 369 Placer Deer Park Lake Tahoe region Comment
  JEPS111163  Ipomopsis congesta subsp. montana Steve Matson 2005-7-16 1397 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  SBBG58776  Iris hartwegii M. N. Ackley -Jun-1925 416 Placer Dutch Flat 1005 Comment
Read comments
Feb 9 2017
  RSA0008950  Iris macrosiphon Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCR146924  Iva axillaris Beecher Crampton 1961-9-27 6018 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  JEPS44485  Ivesia shockleyi var. shockleyi C. F. Sonne 1897-7-18 Placer Tinker's Knob; Sierra Nevada Mountains Comment
  RSA25338  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
Read comments
Dec 16 2012
  SD237484  Juglans hindsii G. K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer Sacramento Valley; along CA-193, 5.3 miles east of Lincoln (Gold Hill 7.5'Q) 123 Comment
  UCR209018  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer Sacramento Valley, along CA-193, 5.3 miles east of Lincoln 123 Comment
  UC1101067  Juncus articulatus Malcolm A. Nobs and S. Galen Smith 1949-8-22 1537 Placer marshy pool on Dunn's Dam Rd 6 mi nw Auburn Comment
  UC1100933  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-21 1503 Placer n end Lake Tahoe (between Sandy Beach and Agate Bay) Comment
  SEINET6744631 Image available Juncus bufonius Marcus E. Jones 1882-1 2903 Placer Colfax, California Comment
  CHSC67758  Juncus chlorocephalus James D. Jokerst 1986-7-13 2708 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  UCD158707  Juncus confusus James A. Neilson Jr.; Dianne Q. McQuaid 1972-8-10 3584 Placer Tahoe Basin, Lower Ward Valley. 1981 Comment
  SEINET3879442  Juncus ensifolius Beecher Crampton 1975-9-9 9277 Placer Gold Run rest area on Hwy 80.; 0 914 Comment
  UCD33724  Juncus ensifolius Beecher Crampton 1972-7-26 8829 Placer Placer County, ca. 3 miles east of Baxter on Hwy. 80. 1524 Comment
  UCR233394  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2011-8-26 18179 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  UCD43968  Juncus longistylis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1334 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD43298  Juncus macrandrus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 666 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD42990  Juncus mertensianus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 359 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  POM110929  Juncus nevadensis Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD162582  Juncus nevadensis var. nevadensis Steve Matson 2002-8-4 666 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; 100 meters north of pond. 1908 Comment
  JEPS103514  Juncus occidentalis Lowell Ahart 2002-7-22 9911 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UCD74144  Juncus parryi Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 246 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2218 Comment
  UCD142921  Juncus tenuis John Thomas Howell; Gordon H. True 1971-7-1 48322 Placer North limits of Lincoln. 48 Comment
  UC1714565  Juncus xiphioides Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC80902  Juniperus John H. Thomas; Hazelle A. Thomas 1956-7-21 s.n. Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  JEPS102613 Image available Juniperus grandis Lowell Ahart 2001-10-10 9335 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
  NY786806  Keckiella breviflora var. breviflora F. W. Pennell 1940-6-2 25659 Placer Route 49. North of American River, east of Auburn. 274.3 Comment
  SCFS1134  Keckiella lemmonii E. Krimmel 2014-7-5 Placer Dry, sunny slope between Onion and Serena Creeks. Comment
  RSA447635  Kelloggia galioides Fay A. MacFadden 1934-7-9 12732 Placer Emigrant Gap. Comment
  SD244239  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2012-6-19 19223 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road [Deadwood Road], 1.2 miles south of its junction with Foresthill Road (Westville 7.5') 1648 Comment
  SEINET2470932  Kelloggia galioides K. Christie 2010-6-30 1873 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  UCD74256  Kelloggia galioides Jennifer W. Burt 2005-8-30 98 Placer Olympic Hill' abandoned ski run (near Granlibakken resort off Hwy 89 in Tahoe City) - collected from adjacent coniferous forest. 2034 Comment
  SEINET12631436  Kelloggia galioides B. Bolt 1934-7-20 194 Placer Whiskey Hill Comment
  UCR258166  Kickxia elatine George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20042 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  SACT001427  Koeleria phleoides Josephine Van Ess 1980-4-23 Placer Collected at intersection with Taylor Road. Weedy area, near building. 121.9 Comment
  SACT001429  Koeleria phleoides Josephine Van Ess 1977-4-27 Placer Collected at top of hill where flume crosses road. Dry scouped out area near road. 140.2 Comment
  RSA0087952  Kopsiopsis strobilacea William Overton 1977-6-4 s.n. Placer Across tracks ca. 100 yards, on Secret Town Road, 0.9 mile from junction with Magra Road (which is northwest of the Magra Road-Secret Town offramp of Interstate 80), between Colfax and Gold Run. Comment
  CHSC12192  Kumlienia hystricula Lowell Ahart 1973-3-29 Placer Near Forest Hill. 472 Comment
  CAS-BOT-BC340322  Kyhosia bolanderi A. M. Carpenter 1892-8-1 s.n. Placer Unspecified Comment
  UCR253802  Lactuca serriola George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20097 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  CAS-BOT-BC341358  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  JEPS7096  Lagophylla glandulosa Rimo Bacigalupi with G. L. Stebbins, Juan Hunziker, Alex Hawkes, Daniel Zohary, et al 1952-7-19 3848 Placer 1.5 mi n of (and below) Colfax (on the road to Iowa Hill, on grade down into and on the n slope of the North Fork of the American River); North Fork of the American River Comment
  POM186841  Lagophylla glandulosa D. D. Keck 1932-6-30 1587 Placer 0.3 miles north of Weimar P. O.; Sierra Nevada. 686 Comment
  UCR218617  Lagophylla ramosissima Ken Osborne 2010-9-12 s.n. Placer Sierra Nevada Mtns. Foothills, North Auburn, Dry Creek Rd. just west of intersection with Bluegrass Dr. 396 Comment
  UCR249935  Lamium purpureum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20333 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 Comment
  POM361518  Lasthenia californica Ames s.n. Placer Auburn. Comment
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Mar 15 2014
  UCR258238  Lasthenia californica George K. Helmkamp, Amy Barnes 2013-3-28 20238 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  CAS-BOT-BC337941  Lasthenia californica H. N. Bolander 1865-4-11 4545 Placer Flats at Auburn Comment
  CDA32947  Lasthenia californica P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  CAS-BOT-BC353495  Lasthenia fremontii Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 0.5 mi N of Western Electric Plant on Industrial Blvd. Comment
  SEINET9331375  Lasthenia fremontii Unknown 1988-4-20 304 Placer Along hwy 65 in pasture, 1.8 km from 5th St/rd 65 on E side of Hwy 65 Comment
  RSA791426  Lasthenia glaberrima George K. Helmkamp, E. A. Helmkamp 2011-5-12 17252 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  SEINET11447705 Image available Lasthenia platycarpha R. L. Smith 1942-4-3 20 Placer 5 miles E of Roseville 122 Comment
  CAS-BOT-BC213500  Lathyrus jepsonii subsp. californicus Marcus E. Jones 1883-7-1 s.n. Placer Emigrant Gap Comment
  SEINET11261857  Lathyrus nevadensis subsp. nevadensis George Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1041 Comment
  UCR235392  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  UCD15487  Lathyrus sulphureus Greg Cohler 1984-5-26 9 Placer 16 miles E. of Forest Hill Rd. on F.S. 97. 914 Comment
  UCR231898  Layia chrysanthemoides George K. Helmkamp, E. A. Helmkamp 2011-4-10 17155 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  UCR257023  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Amy Barnes 2014-4-23 22783 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SEINET200147 Image available Leersia oryzoides S. G. Smith, MA Nobs 1949-8-22 1542 Placer SW city limits of Roseville Comment
  JEPS127479  Lemna trisulca Steve Matson 2002-8-4 656 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267; Lookout Mountain branch of Martis Creek. Comment
  CAS-BOT-BC88773  Lepidium appelianum J. H. Wilson 1970-9-22 s.n. Placer Sierra Nevada. Railroad right of way, Casa Loma Recreation area. 1097 Comment
  CAS-BOT-BC88833  Lepidium campestre M. S. Jussel 1928-6-25 s.n. Placer Tahoe Tavern, Tahoe City. Comment
  JEPS59495  Lepidium campestre Ezra Brainerd and Viola B. Baird 1915-7-23 247 Placer Tahoe City Sierra Nevada Mts. 1905 Comment
  JEPS126403  Lepidium chalepense Steve Matson 2002-7-14 1062 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 40 yards south of Highway 267 along creek, 2 yards from creek by trail. Comment
  CDA20184  Lepidium latifolium C. Mosedale 2003-7-23 PDR 1407007 Placer Sierra Nevada; North Shore Dr at Brockway Summit. 0 Comment
  SACT001403  Leptochloa fascicularis Josephine Van Ess 1976-7-28 Placer Coillected about .25 mile west of Country Acres Lane. Wet ditch bank at edge of water. 21.3 Comment
  RSA293428  Leptosiphon bicolor Reino Alava 1958-5-3 2027 Placer On roadside meadow, eleven miles from Auburn on the County Road No. 79. Comment
  CHSC91653  Leptosiphon bolanderi M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 259 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. Along old road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  UCD22110  Leptosiphon ciliatus Rex Palmer 1979-7-12 N 622 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC334599  Leucanthemum vulgare Peter H. Raven 1956-8-4 9982 Placer Blue Canyon, Sierra Nevada 1432 Comment
  JEPS16971  Leucanthemum vulgare Peter H. Raven 1956-8-4 9982 Placer Blue Canyon; Sierra Nevada 1432 Comment
  RSA421958  Leucophysalis nana Fay A. MacFadden 1934-7-26 12691 Placer Foot of Red Mountain Comment
  SEINET6168463  Leucophysalis nana L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  CHSC74117  Lewisia nevadensis Susi Urie 1998-8-11 98 -021 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  UC642828  Lewisia nevadensis H. L. Mason 1926-5-30 3330 Placer Kit Carson Pass 2621 Comment
  UC852036  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Yuba River below Cisco; Yuba River 1676 Comment
  RSA123078B  Lewisia rediviva N. H. French 1934-6-19 422 Placer 1/4 mile W of Devil s Peak. 2104 Comment
  UC852033  Lewisia triphylla A. A. Heller 1917-6-17 12682 Placer along Yuba River below Cisco; Yuba River 1676 Comment
  UCD21925  Lewisia triphylla Beth Lowe Corbin 1982-8-4 230 Placer 1/2 mile NNW of Onion Creek campground. In damp meadow in White Fir forest. Small, fleshy herb, with white flowers. Mostly shade. SW facing slope, 10% incline. Locally abundant. 2072 Comment
  CHSC74180  Ligusticum grayi Susi Urie; Eric Schroder 1998-9-9 98 -307 Placer Lake Tahoe Basin--National Forest. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CAS-BOT-BC130530  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  RSA130326  Lilium pardalinum Albert M. Vollmer 1949-7-6 12 -E Placer Bear Valley Comment
  RSA377183  Lilium parvum Bonnie C. Templeton 1931-7-4 1503 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  LA84032  Lilium washingtonianum O. H. Kappler; 1946-6-18 1321 Placer Lake Tahoe, NW shore 1920 Comment
  CAS-BOT-BC110635  Limnanthes alba Gordon H. True 1971-5-26 6540 Placer Northern limits of Lincoln. 48 Comment
  UCR146678  Limnanthes alba Beecher Crampton 1953-4-13 1096 Placer Sacramento Valley, 2 miles north of Lincoln, Sunnybrook Farm 43 Comment
  RSA0093828  Limnanthes alba subsp. alba George K. Helmkamp, Amy Barnes 2014-4-23 22812 Placer Sierra Nevada Mountains Foothills. Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill. 720 Comment
  SEINET6670579  Limnanthes douglasii subsp. rosea D. Erskine 1941-4-17 11 Placer 3 miles east of Rocklin 91 Comment
  CDA36873  Linanthus bicolor CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SEINET9333463  Linanthus harknessii George Hrusa, Glazner, J. 1999-7-17 15153 Placer Martis Valley Comment
  UC133952  Linanthus harknessii Miss Harriet A. Walker 1908-7-27 1510 Placer Cisco 1688 Comment
  UCR240726  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp 2012-6-19 19235 Placer Northern Sierra Nevada Mountains, Foresthill Road, 6.9 miles east of its junction with Devil's Thumb Road 1973 Comment
  UCD21975  Linanthus pungens Rex Palmer 1979-6-19 N 242 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR173268  Linum bienne George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10431 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  JEPS72645  Linum lewisii Gladys L. Smith 1972-6-20 3252 Placer just below Ward Peak Summit 2628 Comment
  UC13524  Listera convallarioides Chesnut and Drew 1889-7-1 Placer Ackerman's Comment
  CAS-BOT-BC36161  Lithocarpus densiflorus var. densiflorus C. B. Wolf 1930-10-11 55 Placer 8 miles west of Emigrant Gap on road to Colfax 1371 Comment
  UC1135293  Lithocarpus densiflorus var. echinoides N. French 1934-5-31 386 Placer 0.5 mi e Texas Hill; Tahoe National Forest, Colfax Quad. 1584 Comment
  CAS-BOT-BC430967  Lithophragma bolanderi G. L. Stebbins 1978-5-27 s.n. Placer Along power line, east of Big Crater 1219 Comment
  UC112902  Lithospermum californicum Katharine Brandegee 1908-6-5 Placer near Cape Horn Comment
  UC79326  Lithospermum ruderale C. F. Sonne June 1886 Placer <Road to Lake Tahoe> Comment
  CAS-BOT-BC342358  Logfia gallica John Thomas Howell; Gordon True 1971-5-26 47632 Placer Northern limits of Lincoln 48 Comment
  UC1132191  Lolium multiflorum N. French 1933-6-5 69 Placer Middle Fork American River; Sacramento Quad., Middle Fork American River Comment
  UCD66198  Lolium multiflorum August L. Hormay 1932-5-24 Placer West of Auburn. Comment
  UCD34030  Lolium perenne Beecher Crampton 1975-9-9 9283 Placer Placer County, Alta, Hwy. 80. 1188 Comment
  UCD66471  Lolium perenne Beecher Crampton 1964-7-9 7108 Placer Emigrant Gap, U. S. Hwy. 40. 1615 Comment
  UCR173175  Lolium perenne subsp. multiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10128 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UCR207854  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14567 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  JEPS126307  Lomatium nevadense var. nevadense Steve Matson 1998-5-24 213 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards north Highway 267. Comment
  SDSU2374  Lomatium utriculatum unknown 1948-5-21 1930 Placer 457 Comment
  JEPS111196  Lonicera cauriana Steve Matson 2005-7-4 1369 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  UC1125222  Lonicera conjugialis N. French 1934-6-8 404 Placer Cisco Butte Tahoe National Forest, Colfax Quadrangle Comment
  UCD150305  Lonicera conjugialis James A. Neilson Jr. 1971-7-17 2252 Placer Tahoe Basin, McKinney Lake. 2072 Comment
  CAS-BOT-BC240669  Lonicera interrupta Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  UC1125271  Lonicera involucrata var. involucrata N. French 1934-7-10 508 Placer 1 mi e Fordyce Lake; Tahoe National Forest, Truckee Quadrangle Comment
  CDA25014  Lotus crassifolius J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCR255866  Lotus crassifolius Greg de Nevers 1995-8-20 10769 Placer Sierra Nevada Mountains, Lake Tahoe 2165 Comment
  CDA27210  Lotus humistratus D. Leiser 1963-5-3 Placer Hiking trail 2 miles northwest of Michigan Bluff. 0 Comment
  UCR208602  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14620 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  UCR208613  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14614 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  CDA20347  Lotus oblongifolius var. nevadensis unknown 1978-11-7 Placer Sierra Nevada; Secret Camp Meadow. 0 Comment
  UC864267  Lotus pinnatus Marcus E. Jones, A. M. 1882-1 3282 Placer Emigrant Gap Comment
  UCR176249  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2006-8-11 11218 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  RSA750434  Lotus uliginosus George K. Helmkamp, E. A. Helmkamp 2008-8-20 14024 Placer Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  POM27032  Lotus unifoliolatus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  RSA122898  Lotus unifoliolatus B. Bolt 1934-7-20 154 Placer Whiskey Hill. 1646 Comment
  RSA406275  Lotus unifoliolatus Wm. Martin 1973-9-10 20213 Placer 1 mile east of Weimar on Hwy. 80. 610 Comment
  RSA406277  Lotus unifoliolatus L. S. Rose 1946-6-23 46185 Placer Rainbow, north of Cisco. 1738 Comment
  CDA3837  Lunaria annua G. D. Barbe, T. C. Fuller 1976-5-4 2176 Placer South of Railroad right-of-way along driveway, Alta. 0 Comment
  CAS-BOT-BC434224  Lupinus albicaulis George K. Helmkamp; Mary Alice Barnes 2013-5-3 20460 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  UCR250177  Lupinus albicaulis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20460 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  HSC59019  Lupinus albifrons Dan Wyrick 1975-3-29 19 Placer Near Long Point, close to Applegate 427 Comment
  SEINET5327624  Lupinus albifrons Polkinghorne 1964-3-21 s.n. Placer Near Auburn. 549 Comment
  CAS-BOT-BC201562  Lupinus albifrons var. albifrons Ames 1884-5-1 s.n. Placer Auburn Comment
  UCR207885  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14580 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  SEINET3131542  Lupinus andersonii A. A. Heller 1909-7-16 9839 Placer Summit 2134 Comment
  SCFS1174  Lupinus arbustus E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  UC726156  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Donner Lake Comment
  UCR270697  Lupinus arbustus John F. Emmel 1998-7-9 1576 Placer Sierra Nevada Mountains, Donner Pass area, north peak of Mt. Judah 2500 Comment
  SEINET8214803  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Summit. 2134 Comment
  UCD22082  Lupinus argenteus var. heteranthus Rex Palmer 1979-6-20 N 318 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS65342  Lupinus argenteus var. meionanthus C. F. Sonne 1886-8-16 52 Placer mts above Coldstream (near Tinker Knob); Sierra Nevada Mountains, mts above Coldstream 2438 Comment
  UC15884  Lupinus argenteus var. meionanthus C. F. Sonne 1887-8-7 Placer Mts. above Coldstream; Sierra Nevada, Mts. above Coldstream 2286 Comment
  CDA37251  Lupinus benthamii CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR176280  Lupinus benthamii George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10433 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR224864  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2010-4-23 15908 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  UCR188850  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCR222541  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-17 15886 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill 360 Comment
  UCR249532  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20286 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  UCD33676  Lupinus breweri Beecher Crampton 1971-8-16 8752 Placer Lake Tahoe, Tahoe Vista. 1920 Comment
  SEINET9363475  Lupinus confertus Unknown 1999-7-17 15148 Placer Martis Valley Comment
  RSA43813  Lupinus densiflorus var. lacteus D. F. Howe 1948-5-21 s.n. Placer [Unspecified] 457 Comment
  UC147590  Lupinus grayi Harriet A. Walker 1908-6-24 1281 Placer Blue Canyon 1432 Comment
  RSA26143  Lupinus latifolius subsp. longipes J. T. Howell 1951-6-28 27662 Placer Jamison Creek. 1585 Comment
  UCD108409  Lupinus lepidus var. confertus F. A. MacFadden 1934-7-18 s.n. Placer half way on highway between Carson City and Lake Tahoe. Comment
  RSA413788  Lupinus lyallii var. lyallii Bonnie C. Templeton 1931-7-5 1506 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  SEINET11261560  Lupinus microcarpus var. densiflorus George Helmkamp, E. A. Helmkamp 2012-5-5 18921 Placer Northern Sierra Nevada Mountains Foothills on Lake Clementine Road, 1.2 miles W of the junction with Foresthill Road. 0.3 air miles SE (123 degrees) of Clementine Dam on the American River.; 0 396 Comment
  UCR194975  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11996 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  UCR207859  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14562 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  CHSC90382  Lupinus nanus Wm. Schierenberg 1988-3-30 18 Placer Hillside, ca. 5 km w from Auburn, ca. 50 m n of Dry Creek behind Sierra College. 71 Comment
  RSA0035677  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20341 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  RSA792718  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17171 Placer along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  SD255744  Lupinus nanus George K. Helmkamp, Amy Barnes 2014-3-21 22626 Placer Sacramento Valley; Riosa Road at the east side of its junction with CA 65, just west of Sheridan. 32 Comment
  UCR208567  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14603 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UCR188841  Lupinus polyphyllus subsp. polyphyllus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11708 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  CAS-BOT-BC329256  Lupinus polyphyllus subsp. superbus Mary P. Wells 1980-9-12 s.n. Placer Near Tahoe City in forest W of Pioneer Way 1524 Comment
  JEPS59497  Lupinus polyphyllus var. burkei Ezra Brainerd and Viola B. Baird 1915-7-25 251 Placer above Inn (Deer Park); Sierra Nevada Mts., Deer Park 2011 Comment
  POM23947  Lupinus sellulus subsp. sellulus Marcus E. Jones 1882-1 s.n. Placer Emigrant Gap. Comment
  SEINET881443 Image available Lupinus silvicola A. A. Heller 1909-1 s.n. Placer Summit. 2133 Comment
  JEPS48699  Lupinus stiversii Leland S. Smith 1925-5-28 1605 Placer Bowman Dam , s slope (s slope) 1371 Comment
  UC842058  Luzula divaricata A. A. Heller 1917-8-14 12930 Placer near the crest Mount Lincoln s Summit Valley; Mount Lincoln s of Summit Valley 2499 Comment
  UC34791  Madia citriodora unknown 1865-4-13 Placer New Castle Comment
  UCR218232  Madia citriodora George K. Helmkamp, E. A. Helmkamp 2010-6-26 16405 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SEINET9311191  Madia elegans George Hrusa, Glazner, J. 1999-7-17 15165 Placer Maris Valley, off hwy 267, S of Truckee. Lower, wetter part of drainage, surrounded by open to +/- closed Pinus jeffreyi grading into Abies concolor coniferous forest. Below culvert crossing. UTM: 10S, 4355113 N, 0744264 E Comment
  CAS-BOT-BC343775  Madia elegans L. S. Smith 1925-6-6 1630 Placer Tahoe National Forest. Colfax-Forest Hill Road south of highway 533 Comment
  CDA36970  Madia elegans D. B. Joley Oct 1985 s.n. Placer Near Loomis. 0 Comment
  SDSU4733  Madia elegans subsp. densifolia D. F. Howe 1962-8-10 3418 Placer 1.2 miles north of Auburn. 457 Comment
  UCR218117  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16399 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  POM216212  Madia exigua D. D. Keck 1933-5-31 2427 Placer Just south of Auburn on road to Roseville. 305 Comment
  CHSC74071  Madia glomerata Susi Urie 1998-8-11 98 -003 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. Narrow meadow stringer. 2097 Comment
  POM284947  Madia glomerata Lyman Benson 1932-7-31 4022 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  UCR190154  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2007-8-1 12646 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR190160  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2007-8-1 12651 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  POM30638  Madia rammii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  POM253192  Madia rammii A. A. Heller 1938-5-7 15076 Placer Between Smartsville and Rough and Ready. Nevada city about 12 miles E Comment
  UCD22057  Maianthemum racemosum Rex Palmer 1979-6-20 N 279 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA463211  Maianthemum racemosum subsp. amplexicaule J. H. Nishida 1985-7-10 786 Placer Homewood. 1829 Comment
  CAS-BOT-BC512081  Maianthemum racemosum subsp. amplexicaule F. Almeda 1993-7-24 7272 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  CAS-BOT-BC512084  Maianthemum racemosum subsp. amplexicaule A. A. Heller 1917-6-17 12706 Placer Near the Yuba river below Cisco. 1676 Comment
  CDA19494  Marrubium vulgare M. I. Wibawa 2002-5-27 267 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  UC122541  Marsilea vestita subsp. vestita T. S. Brandegee Sept, 1888 Placer Emigrant Gap Comment
  UC1745628  Marsilea vestita subsp. vestita Annetta M. Carter 1945-11-4 1734 Placer 4.5 mi. NW of Roseville; Sacramento Valley, Pleasant Grove Creek; Pleasant Grove Creek, 4.5 mi. NW of Roseville on road to Marysville. Sacramento Valley. Comment
  SD44635  Medicago arabica Darley F. Howe 1951-5-2 2113 Placer Placer County 456 Comment
  UCR198048  Medicago lupulina Beth Lowe Corbin 1982-8-13 347 Placer Headwaters Basin Area of the North Fork of the American River. 1/2 mi west of The Cedars 1723 Comment
  UCR173177  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10125 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UCR249540  Medicago polymorpha George K. Helmkamp 2013-3-1 20149 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  UCR257592  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22532 Placer Sierra Nevada Mountains Foothills, North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49 433 Comment
  UCD14576  Melica aristata Dale Christensen 1983-6-14 s.n. Placer California, Placer Co.; Foresthill. Comment
  UCD66811  Melica aristata Beecher Crampton 1955-7-13 3006 Placer Blue Canyon. 1432 Comment
  SACT001492  Melica californica D. Meyer 1984-5-6 Placer On Garden Bar Road, riparian habitat. 182.0 Comment
  SACT001494  Melica californica Michael Baad 1983-5-5 Placer Junction with Shirttail Canyon Road. 1 mile south of the North Fork of the American River. 548.64 Comment
  SACT001513  Melica harfordii Michael Baad 1977-6-2 Placer 0.8 mile south of Wiemar, east-facing cliff streamside habitat. 606.0 Comment
  SACT001522  Melica harfordii D. Meyer 1984-8-17 Placer 667.0 Comment
  UCD22224  Melica stricta Beth Lowe Corbin 1982-8-4 244 Placer 1 1/4 mile N of Onion Creek Campground. E facing slope, 50% inclination. Occasional. Full sun. In rocky, fine, sandy, granitic soil on open talus slope in white fir forest. Bunchgrass. Glumes and base of culms purplish. 2225 Comment
  CAS-BOT-BC262449  Melica subulata G. L. Stebbins 1977-7-9 7769 Placer Along trail from McKinistry Lake to Rubicon River 1889 Comment
  SEINET11262285  Melica torreyana George Helmkamp, E. A. Helmkamp 2012-5-5 18915 Placer Northern Sierra Nevada Mountain Foothills: Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, .3 air miles SE of Clementine Dam on the American River (Auburn 7.5').; 0 396 Comment
  CDA39027  Melilotus albus D. G. Kelch 2011-10-3 11 .826 Placer Tahoe City. Granlibakken Resort. Comment
  RSA409918  Mentha spicata Wm. Martin 1971-9-10 20224 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  UC303589  Mentzelia congesta G. B. Grant July, 1906 7067 Placer Lake Tahoe Comment
  UC1602077  Mentzelia dispersa Katharine Brandegee Placer Emigrant Gap. Comment
  CAS-BOT-BC428876  Micranthes californica G. L. Stebbins 1970-4-4 6990 Placer Shirttail Canyon, south of North Fork, American River, along road from Colfax to Forest Hill [Foresthill]. 365 Comment
  CAS-BOT-BC428878  Micranthes californica G. L. Stebbins 1970-4-4 6989 Placer Shirttail Canyon south of North Fork, American River, along road from Colfax to Forest Hill [Foresthill]. 365 Comment
  CAS-BOT-BC428879  Micranthes californica Marcus E. Jones 1882-7-1 3587 Placer Emigrant Gap Comment
  SJSU8088  Micranthes odontoloma R. L. Fisher 1957-8-5 Placer headwaters Sugarbowl Cr (S Fork Yuba R), Emigrant Meadow between Mt Judah & Mt Lincoln, 3 mi S of Norden 2286 Comment
  CAS-BOT-BC429297  Micranthes tolmiei C. F. Sonne 1885-8-23 92 Placer Sierra Nevada Mts. Tinker Knob 2895 Comment
  SEINET12220885  Micranthes tolmiei C. F. Sonne 1885-1 92 Placer Tinkers Knob S.N. Mts. [Sierra Nevada] 2896 Comment
  SD237343  Micropus californicus var. californicus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15918 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mi. north of the American River crossing. 199 Comment
  UC88372  Micropus californicus var. californicus Mrs. K. Brandegee Apr 1883 Placer Roseville Comment
  RSA636072  Microseris nutans Robert M. Rhode, Barbara Nemeth 1997-6-26 166 Placer Blackwood Creek Canyon (c. 4 miles south of Tahoe City), approx. 6300-6500 ft. Near Blackwood Creek Canyon Road, about 0.4 mile west of turnoff from Highway 89. 1921 Comment
  UC2042501  Microseris nutans Holly Forbes, Barbara Keller, and T. Tomashek 2012-6-11 Placer Blackwood Canyon Rd., 0.2 mi. W of junction with Highway 89. Comment
  UCD21784  Microseris nutans Rex Palmer 1979-6-19 N 221 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD75962  Microseris nutans Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5228 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  UCD82964  Microsteris gracilis Albert Grigarick 2009-6-15 111 Placer E of Truckee, 30 yds. W of the S end of Martis Creek Reservoir. 1777 Comment
  RSA481909  Microsteris gracilis subsp. gracilis Aaron Liston 1988-3-14 696 -2 Placer 3.5 miles N of Auburn; Dry Creek Road. 450 Comment
  UCR12596  Mimulus aurantiacus var. aurantiacus Cathy Scollieri 1972-4-23 42372- 04 Placer Sierra Nevada Mtns. Foothills, east side of Avery's Pond [near Folsom Lake, SE of Auburn] 143 Comment
  UCR250171  Mimulus aurantiacus var. grandiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20477 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UC26696  Mimulus aurantiacus var. grandiflorus Mrs. M. M. Hardy 1893-1 Placer Comment
  UC943862  Mimulus aurantiacus var. grandiflorus H. E. McMinn 1945-10-20 5501 Placer ca. 1 1/2 mi w Lake Spaulding (ca. 40 yds from Bear River Bridge, e end of Bear Flats, above flume canal); Bear River Flat Comment
  UC885737  Mimulus breweri Alice Eastwood July 1909 232 Placer Squaw Creek Yosemite Comment
  UCD21896  Mimulus breweri Rex Palmer 1979-6-20 N 328 Placer near Chickerings. Comment
  JEPS59502  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-10 257 Placer Deer Park Sierra Nevada Mts. 1920 Comment
  POM43705  Mimulus guttatus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UCD164616  Mimulus guttatus Brandi Sorensen 1995-5-12 13 Placer 3.5 kilometers northwest of Auburn. 2.4 kilometers west of Interstate 80. Comment
  JEPS9272  Mimulus guttatus Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunziker, D. Zohary, F. Ehrendorfer & H. Stutz 1952-7-19 3868 Placer about 2 1/2 mi e Iowa Hill (near site of Monona Flat, ridge between Indian Creek and North Fork of American River) 990 Comment
  CDA12424  Mimulus lewisii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8553 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS71705  Mimulus minusculus Gladys L. Smith 1972-6-18 3141 Placer Alpine Meadows 2072 Comment
  UC125208  Mimulus moniliformis Katharine Brandegee July 1908 Placer near Cisco Comment
  UC702887  Mimulus moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney) Lake Tahoe Comment
  CHSC81824  Mimulus moschatus Lowell Ahart 2001-10-10 9357 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  UCD21891  Mimulus moschatus Rex Palmer 1979-7-9 N 436 Placer Onion Creek meadow #2. Comment
  UCD122674  Mimulus nasutus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD21893  Mimulus nasutus Rex Palmer 1979-6-21 N 373 Placer Exact location unknown. Comment
  UC445176  Mimulus primuloides J. A. De Cou 1900-8-3 Placer McKinneys Tahoe Comment
  UCD44452  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1818 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC445165  Mimulus torreyi Miss Martha Brier Placer near Fowler; Bear Valley Comment
  CAS-BOT-BC481926  Minuartia rubella John H. Thomas; Hazelle A. Thomas 1956-7-21 6182 Placer Sierra Nevada, vicinity of Donner Pass, about 80 mi NE of Sacramento 2377 Comment
  SEINET6167722  Mitella breweri A. A. Heller 1909-7-16 9833 Placer Summit 2134 Comment
  CAS-BOT-BC318583  Monardella odoratissima A. A. Heller 1919-7-26 13320 Placer Donner pass. 2194 Comment
  RSA463237  Monardella odoratissima J. H. Nishida 1985-7-10 776 Placer Homewood. 1829 Comment
  UCD75954  Monardella odoratissima Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5205 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Large turnabout/parking area with off-road vehicle use. 2207 Comment
  POM126768  Monardella odoratissima subsp. glauca Helen D. Geis 1912-7-1 178 Placer Deer Park Comment
  SEINET5333439  Monardella odoratissima subsp. glauca P. A. Lehenbauer 1933-8-6 2788 Placer Lake Tahoe - near Homewood Comment
  CAS-BOT-BC222100  Monardella odoratissima subsp. pallida H. M. Hall 1910-7-1 8731 Placer Sierra Nevada Mountains. Cisco 1828 Comment
  CAS-BOT-BC314188  Monardella odoratissima subsp. pallida H. M. Hall 1910-7-1 8731 Placer Cisco 1828 Comment
  CDA16039  Monardella odoratissima subsp. pallida G. F. Hrusa, J. Glazner 2000-9-3 15674 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  JEPS126282  Monardella odoratissima subsp. pallida Steve Matson 1997-7-1 116 Placer Tahoe north shore; Snow Creek watershed, Tahoe Visa/Kings Beach; middle fork of Snow Creek; north of Golf Course. Comment
  UC2035893  Monardella odoratissima subsp. pallida G. W. Fetters 1929-7-10 Placer near Pomin's; Lake Tahoe Comment
  UCR231827  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-8-14 16771 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  SEINET10582104  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 273 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  JEPS126335  Montia chamissoi Steve Matson 1998-6-14 249 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek, Comment
  UC851964  Montia chamissoi Marcus E. Jones, A. M. 1882-5-28 2628 Placer Emigrant Gap Comment
  UCD149498  Montia fontana G. L. Stebbins 1978-5-28 78101 Placer Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD101761  Montia parvifolia Dan Axelrod 1931-7-10 s.n. Placer Ward Creek, 3 miles N of Cazadero on Ft. Ross Road. Comment
  CDA37230  Montia perfoliata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT001588  Muhlenbergia filiformis Michael Baad 1976-6-10 Placer Near trail to Robinson Flat 1737.0 Comment
  UC579522  Muhlenbergia filiformis B. Bolt 1934-7-20 155 Placer Whiskey Hill Tahoe National Forest, Colfax Quadrangle 1645 Comment
  CAS-BOT-BC275181  Muhlenbergia montana G. L. Stebbins 1977-7-9 7768 Placer Along trail from McKinistry Lake to Rubicon River 1767 Comment
  CDA15942  Muhlenbergia richardsonis G. F. Hrusa, J. Glazner 1999-7-17 15150 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  POM216165  Muhlenbergia rigens D. D. Keck 1933-6-1 2439 Placer South of Roseville, near Sacramento County-Placer County line. Comment
  CAS-BOT-BC515662  Muscari botryoides Shannon Wright 1994-5-13 7 -5 Placer Hwy 80 above truckee on Placer-Nevada county line Comment
  CAS-BOT-BC83228  Myosurus minimus Alice Eastwood 1912-6-15 467 Placer Lake Tahoe Region. Tahoe City. Comment
  CDA19325  Myriophyllum spicatum R. Kerr 2001-6-21 s. n. Placer Sierra Nevada; Truckee River below Fanny Bridge in the vicinity of Tahoe City. 1896 Comment
  CAS-BOT-BC60332  Nasturtium officinale Saichi Kawahara 1969-7-6 1437 Placer Swing near old cabin, Mel Henderson Ranch, east bank of Indian Creek. 999 Comment
  JEPS127419  Navarretia capillaris Steve Matson 1998-7-12 334 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area600 meters north Highway 267 and 100 meters west of Martis Creek. Comment
  RSA562588  Navarretia capillaris Alva Day, Orbelia Robinson 1982-7-13 82 -83 Placer Tahoe National Forest, Highway 80, just E of Norden on trail 3/4 mi. above Sierra Club Lodge Comment
  UC126077  Navarretia divaricata Katharine Brandegee 1908-7-17 Placer near Magda Station (along railway) Comment
  UC570285  Navarretia divaricata subsp. vividior G. T. Nordstrom 1934-6-21 150 Placer 0.4 mi nw Mammoth Springs; Tahoe National Forest, Colfax Quad. 1706 Comment
  UC856864  Navarretia divaricata subsp. vividior Alice Eastwood Jun 20 1912-Jun 22 1912 498 Placer Colfax Comment
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Sep 7 2010
  JEPS59362  Navarretia intertexta Ezra Brainerd and Viola B. Baird 1915-7-23 232 Placer Tahoe City Sierra Nevada Mountains 1905 Comment
  SD44650  Navarretia intertexta Darley F. Howe 1951-5-2 Placer Placer Co. Comment
  UCD36309  Navarretia intertexta Beecher Crampton 1953-5-22 1314 Placer Placer County, 2 miles north of Lincoln, Sunnybrook Farms. Comment
  JEPS103313  Navarretia intertexta subsp. intertexta Lowell Ahart 2002-7-22 9895 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UCD43346  Navarretia intertexta subsp. intertexta C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 714 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS127514  Navarretia intertexta subsp. propinqua Steve Matson 1997-6-15 14 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UCR146870  Navarretia jepsonii Beecher Crampton 1977-7-2 9511 Placer Sierra Nevada Foothills, 3.5 miles northeast of Auburn, east of Elder's Corner on Dry Creek Road 412 Comment
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Sep 20 2018
  SD103799  Navarretia leptalea Darley Howe 1978-7-14 5069 Placer Along state highway 20, 29 miles west of truckee 1646 Comment
  UC106886  Navarretia leptalea T. S. Brandegee 1889-7-6 Placer Alta Calif. Comment
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Aug 13 2007
  SD38789  Navarretia leptalea Dr. De Forest 1931-5-4 2064 B Placer Crystal Lake Comment
  UC1123763  Navarretia leptalea subsp. bicolor B. Bolt 1934-7-12 112 Placer Devil's Peak Tahoe National Forest, Truckee Quad. 2042 Comment
  JEPS69641  Navarretia leptalea subsp. leptalea L. S. Smith 1925-7-14 1679 A Placer French Meadows Tahoe National Forest, Middle Fork American River 1767 Comment
  UC572518  Navarretia leptalea subsp. leptalea N. French 1934-6-22 468 Placer Serena Lake Tahoe National Forest, Truckee Quad. 2407 Comment
  OBI48914  Navarretia leptalea subsp. leptalea L. S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  CHSC96460  Navarretia leucocephala subsp. leucocephala Lowell Ahart; Brian Williams 2007-4-13 13664 Placer On the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCR198536  Navarretia leucocephala subsp. leucocephala George K. Helmkamp, E. A. Helmkamp 2008-4-17 13287 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  RSA29021  Navarretia leucocephala subsp. leucocephala Lincoln Constance 1941-5-28 2820 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  CDA40115  Navarretia pubescens D. J. Mitani 1974-6-5 s.n. Placer Near Auburn. 0 Comment
  SEINET10938895  Nemacladus capillaris Townsend S. Brandegee 1908-7-18 Brandegee s.n. Placer Cape Heron Comment
  JEPS126331  Nemophila heterophylla Steve Matson 2006-4-23 1600 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UC1586074  Nemophila heterophylla Barbara Ertter with David Thompson 1989-4-8 8168 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); nr entrance to Auburn State Recreation Area, Iowa Creek Rd 518 Comment
  CAS-BOT-BC7208  Nemophila humilis Alice Eastwood 1898-6-8 s.n. Placer Summit Comment
  RSA201830  Nemophila maculata Barbara L. Hanson 1961-3-30 s.n. Placer Lee Mine Road; 4 miles east of Sacramento-Roseville-Auburn freeway. Comment
  UCD120233  Nemophila menziesii M. Vincent 1965-4-11 608 Placer 1 mile N. of Marysville on Hwy. 99 E. Comment
  SEINET5521018  Nemophila menziesii J. Martin 1959-4-18 s.n. Placer 1/2 mile east of Bazter on US highway 40. Walk a bit into the woods north of the highway. 1829 Comment
  SD234422  Nemophila parviflora var. austiniae G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12192 Placer Northern Sierra Nevada Foothills: Mosquito Ridge Road, 13.5 miles E of its junction with Forest Hill Road in Foressthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River (Michigan Bluff 7.5' Q) 800 Comment
  UCR193333  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2007-5-30 12192 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  UCR208279  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2009-5-7 14633 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UC606979  Nemophila pedunculata L. Constance 1938-6-6 2278 Placer 6.5 mi w Cisco (Sierra Nevada); , w of Cisco 1584 Comment
  JEPS127465  Nemophila spatulata Steve Matson 2003-6-15 799 Placer nSNH; Tahoe Basin; Kings Beach/Tahoe Vista; Snow Creek Watershed. Comment
  UCD22024  Nemophila spatulata Rex Palmer 1979-6-8 N 124 A Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA76003  Nemophila spatulata Lincoln Constance 1938-6-6 2279 Placer 6.5 miles west of Cisco, Sierra Nevada. 1585 Comment
  CAS-BOT-BC7235  Nemophila tenera Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  UCD110206  Notholithocarpus densiflorus G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrendorfer, J. Hunziker, et al. 1952-7-20 5135 Placer 5 miles northeast of Forest Hill, on road to Iowa Hill. 914 Comment
  UCD110219  Notholithocarpus densiflorus var. echinoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-6 s.n. Placer Michigan Bluff-Forest Hill. Michigan Bluff Road. 1070 Comment
  UCD110234  Notholithocarpus densiflorus var. echinoides G. L. Stebbins Jr. 1941-7-16 3168 Placer Blue Canyon. Comment
  SEINET5345645  Oenothera elata B. M. Cunningham 1960-5-6 s.n. Placer Twenty miles east of Auburn on highway 40 freeway 762 Comment
  UC1122247  Oenothera elata subsp. hirsutissima H. S. Yates 1934-6-29 3902 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  UCR200878  Oenothera elata subsp. hirsutissima George K. Helmkamp, E. A. Helmkamp 2008-9-15 14096 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UCD150707  Oenothera elata subsp. hookeri James A. Neilson Jr. 1971-8-16 2401 Placer Tahoe Basin, Chamberlands. 1905 Comment
  JEPS127509  Oenothera flava Steve Matson 1998-7-12 333 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  UCD44444  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1810 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC349976  Oreostemma alpigenum var. andersonii W. R. Dudley 1900-6-29 s.n. Placer Meadow back of Tahoe City Comment
  UCD160078  Orobanche fasciculata Sue Nichol 2015-4-15 s.n. Placer Along Foresthill Rd. between town of Foresthill and Foresthill Bridge. Just E of Butcher Ranch Rd.: near mailbox 17010 and Forest Service gate 124. Northwest side of the road. 551 Comment
  JEPS111231  Orogenia fusiformis Steve Matson 2005-6-11 1248 b Placer North shore of Lake Tahoe; Cedar Flat; National Forest; 39.1842 N, 120.1085 W; Elevation 6700 ft. 2042 Comment
  UCD162600  Orogenia fusiformis Steve Matson 2009-5-9 2200 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of Martis Creek; about 1 kilometer SW of Parking area. 1780 Comment
  JEPS4541  Orthocarpus cuspidatus subsp. cryptanthus Alice Eastwood Aug. 1909 255 Placer Deer Park , Deer Park (Lake Tahoe Region) Comment
  UCD21899  Orthocarpus cuspidatus subsp. cryptanthus Rex Palmer 1979-7-25 N 672 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT001623  Oryza sativa Josephine Van Ess 1973-9-3 Placer Collected at Nicolaus road 5 miles w of Lincoln. Escape from cult. Comment
  UCD43254  Osmorhiza berteroi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 623 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS14029  Osmorhiza berteroi Rimo Bacigalupi with G. L. Stebbins, J. Hunziker, F. Ehrendorfer, A. Hawkes, D. Zohary & H. Stutz 1952-7-19 3864 Placer ridge between Indian Creek and North Fork American River (near site of Monona Flat, about 2 1/2 mi e of Iowa Hill) 990 Comment
  UCD128393  Osmorhiza occidentalis Albert Grigarick 2012-7-7 325 Placer Tahoe Rim Trail. Approx. 2 mi S of Martis Peak Lookout. 2332 Comment
  JEPS59351  Osmorhiza occidentalis Ezra Brainerd and Viola B. Baird 1915-7-25 209 Placer Garden of the Gods Deer Park Valley (head of valley) 2072 Comment
  UC66073  Oxyria digyna P. B. Kennedy and S. B. Doten 1901-8-10 286 Placer summit Soda Springs summit of Devils Cliff; , summit Soda Springs Comment
  CDA15682  Paeonia brownii G. F. Hrusa, J. Glazner 1999-7-18 15232 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  JEPS126291  Paeonia brownii Steve Matson 2001-5-28 448 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of power lines, west of Golf Course. Comment
  UCD36117  Panicum acuminatum var. fasciculatum Beecher Crampton 1952-11-9 917 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  SACT001652  Panicum pacificum Josephine Van Ess 1977-9-16 Placer 365.8 Comment
  SEINET10592943  Paspalum distichum Alan A. Beetle 1941-6-27 Beetle 2729 Placer 1 mile north of Lincoln, irrigation ditch. Assoc. Cyperus, Alisma, Eleocharis. Comment
  UCR259877  Paspalum urvillei George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22466 Placer Sacramento Valley, Highway CA-193 (Lincoln-Newcastle Hwy) at the junction with Gold Hill Road, 3.8 miles northwest of US-80 114 Comment
  UCD44542  Pectiantia breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1908 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA463157  Pedicularis attollens Lyman Benson 1942-7-2 11261 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  SD4772  Pedicularis attollens C. F. Sonne Aug 1897 Placer Above Coldstream Comment
  RSA123607  Pedicularis groenlandica E. F. Sprague 1957-7-12 1406 Placer Sugar Bowl, Norden. 2134 Comment
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May 24 2015
  UC103240  Pedicularis groenlandica C. F. Sonne July 1892 Placer Mountains above Baldstream; Sierra Nevada Mountains Comment
  JEPS73663  Pedicularis semibarbata L. R. Heckard with G. L. Stebbins 1973-6-17 3452 Placer about 7 air mi se of Emigrant Pass (Summit of Big Valley Bluff); Big Valley Bluff 1935 Comment
  SEINET4560767  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2010-1 16659 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UCR242362  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16659 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  CAS-BOT-BC69324  Pellaea brachyptera Marcus E. Jones 1882-4-28 3275 Placer Emigrant Gap 1615 Comment
  RSA331973  Pellaea brachyptera W. Wisura, Dave Kelly 1985-6-1 4049 Placer Nayak, near Emigrant Gap, along dead end rd. to railway siding, on rocks. Comment
  CAS-BOT-BC67609  Pellaea bridgesii Alice Eastwood 1912-6-15 419 Placer Lake Tahoe Region - Deer Park Comment
  CHSC32010  Pellaea bridgesii L. Ahart 1972-6-28 127 Placer French Meadows. 1524 Comment
  RSA124754  Pellaea bridgesii John H. Thomas, Hazelle A. Thomas 1956-7-22 6223 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2134 Comment
  UC1794514  Pellaea bridgesii Ruth Kirkpatrick 2001-7-16 1063 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  UCD21907  Penstemon Rex Palmer 1979-6-19 N 271 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD34550  Penstemon Beecher Crampton 1985-6-23 9995 Placer North Shore Lake Tahoe, Stateline road. Comment
  JEPS8274  Penstemon azureus Rimo Bacigalupi with Aldo Bacigalupi 1952-8-12 3923 Placer 1 1/2 mi w Cisco Grove Lodge (base of granite cliff along U.S.40); w of Cisco Grove Lodge 1676 Comment
  OBI9301  Penstemon azureus Carl B. Wolf 1937-9-4 9286 Placer Sierra Nevada, Auburn-Truckett Rd S side S fork Yuba River near Cisco 1798 Comment
  POM44449  Penstemon azureus subsp. azureus H. M. Hall 1910-6-19 8702 Placer Cisco. 1800 Comment
  UC128134  Penstemon azureus var. azureus Miss Harriet A. Walker 1908-7-26 1436 Placer Cisco 1828 Comment
  UCR189639  Penstemon azureus var. azureus George K. Helmkamp, E. A. Helmkamp 2007-7-27 12624 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  JEPS59355  Penstemon deustus Ezra Brainerd and Viola B. Baird 1915-7-9 106 Placer Bear Rock Sierra Nevada Mts., , Bear Rock (Truckee River) 1889 Comment
  CHSC9533  Penstemon gracilentus J. F. Goodwin 1971-7-11 164 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  SEINET2470931  Penstemon gracilentus K. Christie 2010-6-30 1872 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  UCD75733  Penstemon gracilentus Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5195 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, side of undeveloped road near hairpin turn. 2160 Comment
  UC27423  Penstemon heterodoxus var. heterodoxus C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  NY601764  Penstemon heterophyllus var. purdyi A. A. Heller 1917-6-19 12748 Placer 5 miles west of Colfax Comment
  UC54986  Penstemon heterophyllus var. purdyi C. F. Sonne 1891-5-17 15 Placer below Auburn; Sierra Nevada Mountains, below Auburn Comment
  UCD124279  Penstemon laetus Beecher Crampton 1969-7-1 8487 Placer 1/4 mile west Emigrant Gap P.O. Interstate Hwy. 80 eastbound. Comment
  UCR233369  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  UCD21911  Penstemon newberryi Rex Palmer 1979-7-11 N 574 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA285590  Penstemon newberryi subsp. newberryi D. C. Michener 1981-7-16 4011 Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  CAS-BOT-BC239285  Penstemon newberryi var. berryi A. A. Heller 1917-6-18 12710 Placer Along the Yuba River below Cisco 1645 Comment
  NY627310  Penstemon newberryi var. newberryi W. W. Eggleston 1927-8-5 21557 Placer Robertson Flat Region, Tahoe Forest 2000 Comment
  UCR231825  Penstemon newberryi var. newberryi George K. Helmkamp, E. A. Helmkamp 2010-8-14 16773 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  JEPS59357  Penstemon newberryi var. newberryi Ezra Brainerd and Viola B. Baird 1915-7-9 107 Placer near camp at Bear Rock, Truckee River Sierra Nevada Mountains 1889 Comment
  SEINET12328851  Penstemon parvulus J. H. Nishida 1985-1 781 Placer homewood, Red Fir Forest 1829 Comment
  SEINET4560774  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-1 16647 Placer Northern Sierra Nevada Mountains; Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill. 1384 Comment
  UC146890  Penstemon roezlii Katharine Brandegee Placer Emigrant Gap Comment
  UCR209752  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2009-8-12 15443 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  UC27397  Penstemon roezlii Mrs. M. M. Hardy 1893-1 Placer Comment
  CHSC74278  Penstemon rydbergii var. oreocharis Susi Urie 1998-9-2 98 -217 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  CHSC74444  Penstemon rydbergii var. oreocharis Susi Urie; Eric Schroder 1998-9-10 98 -319 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  RSA45351  Penstemon rydbergii var. oreocharis L. S. Smith 1938-7-22 s.n. Placer Squaw Valley. Tahoe National Forest. Comment
  UC27422  Penstemon rydbergii var. oreocharis J. Burtt Davy Jun 25 1897-Jun 30 1897 3261 Placer Truckee River Basin Comment
  UC887257  Penstemon rydbergii var. oreocharis Isabel McCracken 1938-7-2 Placer Dutch Flat Comment
  UCD158889  Penstemon rydbergii var. oreocharis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 s.n. Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS124588 Image available Penstemon rydbergii var. oreocharis Dixie Funnell 1965-6-27 18 Placer 4 1/2 miles south of Truckee on HIghway 89 south west of the road. Comment
  SEINET9303988  Pentagramma triangularis Unknown 2009-5-7 14609 Placer Sierra Nevada Mountains Foothills Comment
  RSA0070766  Pentagramma triangularis Elizabeth Flint 1930-1 87 Placer Near Penryn. 213 Comment
  UCD21640  Perideridia bolanderi Rex Palmer 1979-6-19 N 229 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA459111  Perideridia bolanderi subsp. bolanderi Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  SEINET11153623  Perideridia gairdneri subsp. borealis P. A. Lehenbauer 1934-7-8 s.n. Placer Cisco. Comment
  CHSC73914  Perideridia lemmonii Susi Urie 1998-8-28 98 -147 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 11 W']. 2115 Comment
  UC1436542  Perideridia lemmonii Arnold Tiehm Apr 1977 s. n. Placer Goose Meadow, Lake Tahoe Comment
  UCR257729  Perideridia parishii George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19521 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  CHSC74058  Perideridia parishii subsp. latifolia Susie Urie 1998-8-17 98 -044 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 35 W']. 2097 Comment
  UCD44588  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1954 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  RSA518803  Phacelia egena L. R. Heckard, G. Ledyard Stebbins 1973-6-17 3441 Placer On east face of Big Valley Bluff, about seven air miles southeast of Emigrant Gap. 1524 Comment
  SEINET5764677  Phacelia hastata var. compacta M. J. Williams 1985-7-6 85- 63 -5 Placer Pacific Crest Trail between old and new Donner Summits. Sierra Nevada. Comment
  CAS-BOT-BC249043  Phacelia hastata var. hastata George K. Helmkamp; E. A. Helmkamp 2010-7-28 16655 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UCR233382  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18166 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  RSA427985  Phacelia heterophylla subsp. virgata Fay A. MacFadden 1934-7-26 12760 Placer Red Mountain Comment
  UC1051796  Phacelia heterophylla subsp. virgata L. R. Heckard 1951-8-9 189 Placer along state hwy 89 about 1.5 mi n Tahoe City; Truckee River canyon 1981 Comment
  UCD74138  Phacelia humilis var. humilis Jennifer W. Burt 2005-7-11 118 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1986 Comment
  UC579287  Phacelia hydrophylloides B. Bolt 1934-7-16 122 Placer 1 mi ne Lost Emigrant Mine (between Middle and North Forks of the American River w of Needle Peak); Tahoe National Forest, Truckee Quadrangle 2042 Comment
  UC750577  Phacelia marcescens Lewis S. Rose 1946-6-23 46189 Placer n Cisco; Rainbow 1737 Comment
  RSA0043237  Phacelia marcescens L. S. Rose 1946-6-23 46189 Placer Rainbow, north of Cisco. 1738 Comment
  POM296650  Phacelia mutabilis L. S. Rose 1941-7-11 41311 Placer Chambers Lodge (McKinney), Lake Tahoe. 1951 Comment
  SEINET4560778  Phacelia mutabilis George K. Helmkamp, E. A. Helmkemp 2011-1 18175 Placer Northern Sierra Nevada Mountains: Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2060 Comment
  UC1048666  Phacelia mutabilis Lewis S. Rose 1941-7-11 41311 Placer Chambers Lodge (McKinney) Lake Tahoe 1950 Comment
  UCR229536  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17857 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  UCD22018  Phacelia ramosissima Beth Lowe Corbin 1982-8-10 307 Placer 1.5 miles NW of Onion Creek Campground. 2057 Comment
  JEPS86486  Phacelia ramosissima var. montereyensis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6566 Placer ca 5 mi se Donner Lake (w of Tinker Knob); Sherman Chickering's Soda Springs holdings 2042 Comment
  UCD120688  Phacelia stebbinsii G. L. Stebbins 1977-7-9 7762 Placer Along trail from McKinistry Lake to Hell Hole Reservoir. 1706 Comment
  SACT001700  Phalaris arundinacea D. Meyer 1984-7-21 Placer Along east bank of river. 1879.0 Comment
  UC1137147  Phalaris lemmonii August L. Hormay 1932-7-8 Placer w side Lake Tahoe (6 mi s of Tahoe Tavern); w side Lake Tahoe, s of Tahoe Tavern Comment
  CAS-BOT-BC77388  Philadelphus lewisii Marcus E. Jones 1882-7-3 3586 Placer Colfax Comment
  JEPS81208  Philadelphus lewisii Douglas W. James Jr. 1973-5-27 122 Placer off Mosquito Ridge Rd 1/2 mi below junction with French Meadow Road (11.1 mi from Forest Hill) 1524 Comment
  SD212643  Philadelphus lewisii G. K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10705 Placer 0.2 mile north of Forest Hill Road on unnamed road to Lake Clementine. 487 Comment
  UCD132716  Philadelphus lewisii Ramona Robison 2012-6-21 s.n. Placer Auburn State Recreation Area, along banks of Lake Clementine. 219 Comment
  SEINET177601  Philadelphus lewisii subsp. californicus Marcus E. Jones 1882-7-3 3586 Placer Colfax. Comment
  UCD38468  Philadelphus lewisii var. californicus Beecher Crampton 1955-6-15 2883 Placer Canyon slopes of Bunch Canyon. Comment
  POM296924B  Phleum Lyman Benson 1942-7-2 11267 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CAS-BOT-BC253557  Phleum alpinum John H. Thomas; Hazelle A. Thomas 1956-7-21 6199 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  JEPS75177  Phleum alpinum Gladys L. Smith 1972-8-23 3427 Placer n face Granite Chief (between junction of Pacific Trail and cirque); n face of Granite Chief 2621 Comment
  SACT001737  Phleum alpinum Michael Baad 1976-8-4 Placer Ascent of creek bed draining Midred Lakes. Comment
  UCD43335  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 703 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS75183  Phleum pratense Gladys L. Smith 1972-6-19 3168 Placer meadow in Tahoe City 1898 Comment
  UCR170813  Phleum pratense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9944 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  JEPS127438  Phlox diffusa Steve Matson 1999-6-12 405 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/kings Beach; dirt road extension of Tiger Ave. heading west. Comment
  UCD21969  Phlox diffusa Rex Palmer 1979-5-27 N 80 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD69329  Phlox diffusa Ted Graber 1984-5-28 12 Placer Placer Co.; on Soda Springs Rd. 1.5 mi. from Serene Lakes along edge of ridge; in Lodgepole Forest dominanted by Prunus, Pinus contorta and Juniperus; fairly common herb, 1 dm. tall with violet/blue flowers; growing in dry, gravelly soil with granite parent material in full sun with high wind exposure. 2072 Comment
  UC23685  Phlox gracilis C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  UC373151  Phlox gracilis Marcus E. Jones, A. M. 1882-6-23 Placer Emigrant Gap Comment
Read comments
Aug 21 2008
  CAS-BOT-BC135093  Phoradendron juniperinum Ira L. Wiggins 1930-10-12 5084 Placer near Cisco 1981 Comment
  UCD33615  Phoradendron juniperinum Beecher Crampton 1970-11-10 8654 Placer Placer County, Nyack. 1524 Comment
  UC1121045  Phyllodoce breweri N. French 1934-6-8 405 Placer Tahoe National Forest, Cisco Butte Cisco Butte; Tahoe National Forest, Cisco Butte 2072 Comment
  CAS-BOT-BC140521  Physocarpus Kellogg s.n. Placer Cisco Comment
  SEINET4691685  Physocarpus capitatus George K. Helmkamp, E. A. Helmkamp 2010-1 17030 Placer Northern Sierra Nevada Mountains Foothills: along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) lf the Sugar Pine Reservoir dam. 1180 Comment
  CAS-BOT-BC76935  Pilularia americana John Thomas Howell; Gordon H. True 1972-3-17 7077 Placer Northern outskirts of Lincoln. 48 Comment
  UCSB45346  Pilularia americana Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65. Comment
  SEINET5334492  Pinus attenuata P. L. Comanor, B. Clark; B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on Calif. 194. Winding road,plot located on the right,past the parking area,down path approx. 60 m. Comment
  UC172  Pinus contorta subsp. murrayana J. Burtt Davy Jun 25 1897-Jun 30 1897 3246 Placer along the Truckee River Truckee River Basin Comment
  UC463414  Pinus contorta subsp. murrayana Ira L. Wiggins 1930-10-12 5081 Placer Donner Summit 2174 Comment
  HSC1502  Pinus jeffreyi R. A. Magie 1964-6-12 104 Placer Turn off Hwy. 20 6 mi. W of Hwy. 40 junction, 12 mi. towards Lindsay Lake, Bulk Collection 42 1982 Comment
  UCD23235  Pinus jeffreyi Beth Lowe Corbin 1982-8-25 420 Placer Onion Creek campground. 1841 Comment
  SEINET5334621  Pinus jeffreyi W. D. Billings 1943-1-17 1586 Placer Truckee River canyon between Truckee & Tahoe City Comment
  POM177610  Pinus monticola I. L. Wiggins 1930-10-12 5082 Placer Donner Summit. 2175 Comment
  SBBG24261  Pinus murrayana E. R. Blakley 1960-8-30 3798 Placer Lake Tahoe at mouth of Carnelian Crk 1905 Comment
  UC400273  Pinus ponderosa H. M. Hall 1916-6-18 10215 Placer 200 yds ne highest point <on hill>; Colfax Hill 853 Comment
  SEINET3875087  Pinus sabiniana James K. Detling 1963-4-10 48 Placer 1 mile from Auburn on Highway 49.; 0 381 Comment
  UCD150746  Piperia unalascensis James A. Neilson Jr. 1970-7-9 1481 Placer Tahoe Basin, North Ward Creek, Section 17. 2194 Comment
  UCD34187  Pistacia terebinthus Beecher Crampton 1977-9-30 9533 Placer Placer County, Applegate. Comment
  HSC82625  Plagiobothrys austiniae Thomas W. Nelson, Jane P. Nelson 1979-4-11 4608 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  HSC82225  Plagiobothrys canescens Thomas W. Nelson 1979-4-10 4575 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CAS-BOT-BC230952  Plagiobothrys hispidulus A. A. Heller 1917-8-12 12877 Placer Southern Pacific reservoir W of Emigrant Gap, the flat about the pond Comment
  CHSC73035  Plagiobothrys hispidulus L. P. Janeway 1998-8-6 5965 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UCR121489  Plagiobothrys hispidulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 C Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CHSC90583  Plagiobothrys nothofulvus Wm. Schierenberg 1988-3-18 11 Placer On hillside about 0.04 km east of Rocklin, behind Sierra College. 71 Comment
  POM71637  Plagiobothrys scouleri var. hispidulus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SEINET9335657  Plagiobothrys scouleri var. hispidulus Unknown 1999-7-17 15162 Placer Martis Valley, off Hwy 267, S of Truckee. Lower, wetter part of drainage, surrounded by open to +- closed Pinus jeffreyi grading into Abies concolor coniferous forest. +- moist, open sites, but not wet. Uncommon annual. Comment
  SEINET8665624  Plantago erecta A. Tiehm, H. Mozingo, M. Williams, E. McPherson 1975-1 616 Placer One mile North of Lincoln. Comment
  UCR238578  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2012-3-31 18657 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UCR240946  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19898 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  CHSC82581  Plantago major Lowell Ahart 2002-7-22 9892 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UCD22068  Platanthera dilatata var. leucostachys Beth Lowe Corbin 1982-8-12 332 Placer Onion Creek, a few hundred yards above campground. 1841 Comment
  JEPS111212  Platanthera leucostachys Steve Matson 2005-7-4 1374 Placer Martis Valley, southeast of Truckee, National Recreation Area , south of Highway 267 and south of Martis Creek and west of Northstar subdivision; along fenceline; 39.2866 N, 120.1401 W: elevation 5,900 ft. 1798 Comment
  RSA569207  Platanthera leucostachys Bonnie C. Templeton 1931-7-4 1503 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  RSA0042076  Plectritis macrocera George K. Helmkamp, Mary Alice Barnes 2013-4-18 20347 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SDSU11330  Plectritis macrocera D. F. Howe 1948-5-23 1905 Placer American River 305 Comment
  UCD41268  Plectritis macrocera Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1724 Placer East of Hwy 80 and town of Colfax, western side of canyon of North Fork of the American River. Along Iowa Hill Road, about 1.8 road miles east of intersection with Canyon Way in Colfax. 518 Comment
  JEPS59066  Pleuricospora fimbriolata C. F. Sonne 1888-8-12 475 Placer Sierra Nevada Mountains, on Truckee River Truckee River; Sierra Nevada Mountains, Truckee River Comment
  UC193029  Pleuricospora fimbriolata C. F. Sonne 1888-8-12 Placer on Truckee River Truckee River Comment
  SEINET7236701  Pleuricospora fimbriolata M. J. Williams 1984-6-24 84- 62 -3 Placer Skillman Flat Campground, near Highway 20 1341 Comment
  CAS-BOT-BC244352  Poa annua L. S. Smith 1926-4-11 1778 Placer Forest Hill Divide, road to Sugar Pass 1097 Comment
  SACT001783  Poa annua D. Meyer 1984-6-10 Placer 436.0 Comment
  SACT001817  Poa bulbosa D. Meyer 1984-8-17 Placer Off I80 westbound, 4.8 km west of Blue Canyon. 1584.96 Comment
  UCR208591  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14662 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  UCR250683  Poa bulbosa George K. Helmkamp, Mary Alice Barnes 2013-4-18 20351 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  SEINET204034 Image available Poa canbyi F. J. Hermann 1955-7-27 11943 Placer along Turkee River on road to Squaw Valley, 4 miles north 1890 Comment
  CAS-BOT-BC255142  Poa cusickii subsp. epilis John H. and Hazelle A. Thomas 1956-7-21 6186 Placer Vicinity of Donner Pass, about 80 miles NE of Sacramento 2377 Comment
  SACT001857  Poa incurva Michael Baad 1983-8-21 Placer Collected on road 3.84 km southwest of Soda Springs exit off Interstate 80. 2019.0 Comment
  SACT001859  Poa incurva D. Meyer 1983-8-20 Placer To summit at first lake steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT001860  Poa incurva Michael Baad 1983-8-11 Placer On trail from Creek to Mildred Ridge 2133.0 Comment
  SACT001865  Poa incurva Michael Baad 1976-8-12 Placer Collected on transect from ridge between Emigrant Gap and Granite Cheif, north to Mountain Meadow Lake, northwest of Granite Cheif. 2438.4 Comment
  CAS-BOT-BC246828  Poa leptocoma John Thomas Howell 1943-7-22 18714 Placer Summit Valley Comment
  SACT001877  Poa nervosa Michael Baad 1976-7-17 Placer 3.2 km west of Alpine Meadows Ski Area, opening in red fir and lodgepole pine forest. 2133.0 Comment
  SACT001879  Poa nevadensis D. Meyer 1983-8-7 Placer Southeast of county line on roadside. 1758.0 Comment
  SACT001893  Poa palustris D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line, roadside. 1758.0 Comment
  SACT001907  Poa pratensis Michael Baad 1983-7-10 Placer 6.1 miles by raod south of Emigrant Gap townsite, open west meadow 1524.0 Comment
  SACT001912  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot moist streambank and meadow. 1879.0 Comment
  SACT001930  Poa pratensis D. Meyer 1984-7-21 Placer 1.4 km from Placer County Line moist shady streambank. 9 m from roadside. 1818.0 Comment
  SACT001931  Poa pratensis D. Meyer 1983-10-22 Placer Searchlight ski run, from base up to Olympic Lady charilift 2121.0 Comment
  SACT001936  Poa pratensis D. Meyer 1984-7-15 Placer 8.2 km from Serene Lakes 1909.0 Comment
  UCD91878  Poa pratensis Beecher Crampton 1955-6-15 2888 Placer 1 mile south of the North Fork of the American River Bridge, Shirttail Canyon; 3.5 miles north of Yankee Jim. Comment
  UCR121484  Poa pratensis subsp. pratensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SACT001968  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, Douglas Fir Forest and Huckleberry Oak at openings, north-facing slope. Comment
  SACT001972  Poa scabrella Michael Baad 1976-6-10 Placer Along creek near trail to Robinson Flat. 1737.0 Comment
  RSA264628  Poa secunda C. F. Sonne 1888-07 s.n. Placer Truckee Comment
  SACT002008  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  UCD22234  Poa secunda subsp. juncifolia Rex Palmer 1979-6-21 N 409 Placer Headwaters basin area of the North Fork of the American River Comment
  UC1132846  Poa secunda subsp. secunda N. French 1934-6-22 449 Placer 7/8 mi w Dulzura Lake; Tahoe Nat'l Forest, Truckee Quadrangle Comment
  UC821094  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer ridge nw of Donner Pass 2377 Comment
  SACT002015  Poa trivialis D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  UCD91594  Poa wheeleri P. B. Kennedy 1901-7-18 176 Placer near summit of Mt. Lola. Comment
Read comments
Jan 6 2015
  CAS-BOT-BC231287  Polemonium pulcherrimum Sherman Chickering 1974-1-1 s.n. Placer On the crest of the Sierra above Soda Springs Comment
  CAS-BOT-BC231303  Polemonium pulcherrimum M. S. Jussel 1928-7-22 s.n. Placer Miller's Lake, Lake Tahoe region Comment
  POM308702  Polemonium pulcherrimum Betty J. Jorgensen 1944-7-12 516 Placer Soda Springs Comment
  POM365426  Polemonium pulcherrimum Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CAS-BOT-BC170304  Polygala cornuta var. cornuta B. C. Cain 1925-8-15 16 Placer 2 mi. south of Auburn at Wise Power House Comment
  UC109719  Polygala cornuta var. cornuta K. Brandegee Sep 1888 Placer Blue Canyon Comment
  UC1130351  Polygala cornuta var. cornuta N. French 1934-6-15 410 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UC868233  Polygala cornuta var. cornuta Marcus E. Jones, A. M. 1882-7-3 3316 Placer Colfax Comment
  CAS-BOT-BC110521  Polygonum John H. Thomas; Hazelle A. Thomas 1956-7-21 6171 Placer Sierra Nevada. Vicinty of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC414389  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer Near Sheridan 38 Comment
  CDA22765  Polygonum californicum E. Dewitt 1929-10-3 Placer Lincoln. 0 Comment
  POM192998  Polygonum californicum H. P. Bracelin s.n. Placer 5 miles N of Placerville, Placer County. On road to Colonia Comment
  UC849191  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer plains near Sheridan 38 Comment
  CAS-BOT-BC414538  Polygonum douglasii R. F. Hoover 1967-9-5 10829 Placer Carnelian Bay, Lake Tahoe Comment
  CAS-BOT-BC414539  Polygonum douglasii Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside Comment
  POM280358  Polygonum douglasii Lyman Benson 1942-7-2 11270 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CAS-BOT-BC414542  Polygonum douglasii Peter Rubtzoff; Edward W. Colson 1976-7-6 8722 Placer Lake Van Norden 2063 Comment
  UC128210  Polygonum douglasii subsp. douglasii Miss Harriet A. Walker 1908-7-26 1441 Placer Cisco 1810 Comment
  JEPS102568  Polygonum lapathifolium Lowell Ahart 2001-10-10 9364 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  CDA15977  Polygonum polygaloides subsp. confertiflorum G. F. Hrusa, J. Glazner 1999-7-17 15169 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC420033  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1912-6-15 442 Placer Tahoe City, Lake Tahoe Region Comment
  UC147640  Polygonum polygaloides subsp. kelloggii Harriet A. Walker 1908-6-25 1299 Placer Cisco 1810 Comment
  UCD44428  Polygonum polygaloides subsp. kelloggii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1794 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS72996  Polygonum polygaloides subsp. kelloggii Gladys L. Smith 1972-6-18 3157 C Placer Scott Peak; foot 2072 Comment
  UCR253501  Polygonum punctatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20091 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  CAS-BOT-BC420165  Polygonum sawatchense subsp. sawatchense John Thomas Howell 1925-6-27 1200 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  UC1136152  Polygonum shastense B. Bolt 1934-7-12 108 Placer Snow Mountain Tahoe National Forest, Truckee Quadrangle 2438 Comment
  UCD100899  Polygonum shastense G. F. Hrusa; J. Glazner 2001-7-15 15956 Placer Northern Sierra Nevada, N summit face of Crows Nest Pk. Immed. W of Sugarbowl. 2377 Comment
  CAS-BOT-BC444012  Polypodium calirhiza George K. Helmkamp; Mary Alice Barnes 2013-4-18 20372 Placer Northern Sierra Nevada Mtns Foothills: Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax. 165 Comment
  UC790965  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer near Auburn (bank of branch Rubicon River); bank of branch Rubicon River Comment
  CAS-BOT-BC233246  Polypogon maritimus J. T. Howell; Gordon H. True 1971-5-26 47615 Placer N limits of Lincoln 48 Comment
  CAS-BOT-BC76757  Polystichum imbricans subsp. imbricans Fay A. Mac Fadden 1933-7-11 10946 Placer Canyon Creek, Monte Sita Inn Comment
  CAS-BOT-BC72496  Polystichum scopulinum G. L. Stebbins 1968-8-15 6856 Placer Devil's Peak, southwest of Soda Springs 2286 Comment
  CAS-BOT-BC102698  Populus tremuloides Mrs. Bliss 1923-4-20 s.n. Placer Tahoe City Comment
  CAS-BOT-BC102699  Populus tremuloides C. B. Wolf 1931-9-10 2420 Placer near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  UCR146963  Populus tremuloides Beecher Crampton 1975-10-14 9322 Placer Sierra Nevada Mountains, Blue Canyon airport area 1524 Comment
  CAS-BOT-BC104250  Populus trichocarpa C. B. Wolf 1931-9-11 1298 Placer Near creek, 7 miles below summit of Donner Pass, west slope of Sierra Nevada 1828 Comment
  CAS-BOT-BC105576  Populus trichocarpa C. B. Wolf 1931-9-11 1298 Placer Near creek, 7 miles below summit of Donner Pass, west slope of Sierra Nevada 1828 Comment
  CAS-BOT-BC105579  Populus trichocarpa M. E. Parsons 1909-1-1 s.n. Placer Lake Tahoe Region Comment
  POM212165  Populus trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
  UCD22304  Populus trichocarpa Rex Palmer 1979-6-7 N 399 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC105578  Populus trichocarpa Elizabeth Parsons Hawver 1909-6-1 s.n. Placer Lake Tahoe Region - Aspen grove Comment
  JEPS42966  Potamogeton filiformis var. alpinus W. L. Jepson 1931-6-17 15925 Placer Mink Harbor; Crystal Bay, Lake Tahoe 1920 Comment
  UC1099853  Potamogeton illinoensis Malcolm A. Nobs, S. Galen Smith 1949-8-22 1536 Placer 6 mi nw of Auburn (on Dunn's Dam Road) Comment
  UC205446  Potentilla drummondii C. F. Sonne 1885-7-12 Placer Granite Rock above Coldstream (= Cold Creek); Granite Rock above Coldstream 2743 Comment
  CAS-BOT-BC142030  Potentilla drummondii Peter Rubtzoff 1976-9-19 8865 Placer Lake Van Norden, meadow adjacent to the east end of lake - Sierra Nevada 2063 Comment
  JEPS44173  Potentilla drummondii subsp. bruceae Miss Helen D. Geis 1912-6 37 A Placer Deer Park Comment
  UC191285  Potentilla flabellifolia C. F. Sonne 1897-7-18 Placer near Tinker's Knob; near Tinker's Knob 2438 Comment
  UCR171338  Potentilla fruticosa George K. Helmkamp, E. A. Helmkamp 2005-10-1 9975 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  SD103786  Potentilla glandulosa subsp. nevadensis Darley F. Howe 1978-7-15 Placer Along highway 20 off I-80, 29 miles west of Truckee 1646 Comment
  UCD113831  Potentilla gracilis Frederica Bowcutt 1994-7-22 1950 Placer Sierra Nevada Mtns, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  CHSC73080  Potentilla gracilis var. fastigiata L. P. Janeway 1998-8-6 5967 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC74255  Potentilla gracilis var. fastigiata Susi Urie 1998-8-29 98 -161 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74431  Potentilla gracilis var. fastigiata Susi Urie 1998-9-2 98 -220 Placer Lake Tahoe Basin. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  CHSC9529  Potentilla gracilis var. fastigiata J. F. Goodwin 1971-7-11 171 Placer 200 ft. south of Hwy. 267 in meadow, 4.0 mi. se of Truckee. 1950 Comment
  JEPS127443  Potentilla gracilis var. fastigiata Steve Matson 1998-6-27 305 Placer Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, junction of East Martins Creek and Martis Creek. Comment
  POM366580  Potentilla gracilis var. fastigiata Bonnie C. Templeton 1930-7-5 1518 Placer Near Meek's Bay, Lake Tahoe. 2250 Comment
  UCD42913  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 281 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC540401  Potentilla gracilis var. fastigiata W. R. Dudley 1900-6-29 s.n. Placer Near Tahoe City Comment
  CHSC118021  Poterium sanguisorba G. K Helmkamp; E. A Helmkamp 2007-9-14 12959 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  CAS-BOT-BC64620  Primula suffrutescens Alice Eastwood 1909-1-1 307 Placer Wards Pass, between Ward Peak and Twin Peak; Deer Park, Lake Tahoe Region. Comment
  POM131210  Primula suffrutescens C. F. Sonne 1895-08 s.n. Placer E slope Mt. Anderson S of summit. 2439 Comment
  CAS-BOT-BC508645  Prosartes hookeri Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UCD125340  Prunella vulgaris F. A. MacFadden 1934-6-7 s.n. Placer Canyon Creek. Comment
  SEINET4691680  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-1 17029 Placer Northern Sierra Nevada Mountains Foothills: along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam. 1180 Comment
  SJSU11337  Prunella vulgaris var. lanceolata R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  UCR231856  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-8-11 16763 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  RSA453214  Prunus emarginata Wm. Martin 1971-9-10 20260 Placer Near Blue Canyon Ranger Station, Tahoe National Forest. Comment
  SEINET2442022  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15433 Placer Sierra Nevada Mountains: Forest Hill Road, 0.8 mile west of Robinson Flat, c.27 miles NE of the city of Foresthill (Duncan Peak 7.5' Q).; 0 2033 Comment
  UC1128350  Prunus emarginata C. R. Clar 1933-5-11 116 Placer 3 mi e of Weimer 609 Comment
  UC481517  Prunus emarginata G. W. Fetters 1929-6-20 Placer Lake Tahoe, Homewood Creek Homewood Creek; Lake Tahoe, Homewood Creek Comment
  UC861032  Prunus emarginata Marcus E. Jones, A. M. 1882-5-28 2693 Placer Emigrant Gap Comment
  UCD113213  Prunus emarginata G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12063 Placer Northern Sierra Nevada Mountains; Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 Comment
  UCD22282  Prunus emarginata Rex Palmer 1979-7-12 N 642 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD38503  Prunus emarginata Beecher Crampton 1955-7-13 3008 Placer Blue canyon. 1432 Comment
  RSA113241  Prunus subcordata E. K. Balls, Lee W. Lenz 1955-5-12 20474 Placer 0.8 mile from Hwy 40. W along rd from Colfax to Grass Valley. 671 Comment
  CAS-BOT-BC151205  Prunus virginiana var. demissa Baki Kasapligil 1974-10-6 4911 Placer Soda Springs, Sugar Bowl 1828 Comment
  UC665516  Pseudobahia heermannii Ethel Crum 1941-5-4 2138 Placer 1.4 mi ne of, upper slopes of gorge Auburn; North Fork American River 304 Comment
  JEPS34003  Pseudognaphalium stramineum W. H. Shockley Jun 1886 Placer Auburn Comment
  SEINET4856241  Pseudostellaria sierrae B. Bolt 1934-7-19 146 Placer Tahoe NF: 1 mi N of Tadpole Spring. 1982 Comment
  JEPS48434  Pseudotsuga menziesii L. S. Smith Aug. 1914 Placer Cisco Comment
  JEPS48285  Pseudotsuga menziesii var. menziesii L. S. Smith 1914-8-1 Placer Cisco Comment
  UC463304  Pseudotsuga menziesii var. menziesii Ira L. Wiggins 1930-10-12 5083 Placer near Cisco 1981 Comment
  SEINET5334823  Pseudotsuga menziesii var. menziesii W. Priest 1956-4-16 s.n. Placer On U.S. Hwy. 40 about 1 mile west of Baxter. 1067 Comment
  UCD91532  Puccinellia distans Beecher Crampton 1967-7-26 8155 Placer Near Nevada County line in Kingvale on Interstate 80. 1950 Comment
  CAS-BOT-BC147866  Purshia tridentata var. tridentata Mary P. Wells 1980-9-12 s.n. Placer Tahoe City, forest west of Pioneer Way 1981 Comment
  POM126530  Pycnanthemum californicum Katherine Brandegee 1908-07 s.n. Placer Cape Horn. Comment
  UC474247  Pyrola picta G. W. Fetters 1929-8-2 Placer near shore of Lake Tahoe, Pomins Pomins; Lake Tahoe, Pomins Comment
  UCD21919  Pyrola picta Rex Palmer 1979-5-27 N 41 Placer Headwaters basin area of the North Fork of the American River 1889 Comment
  SEINET7257306  Pyrola picta P. Lehenbauer 1929-8-15 2543 Placer [Sierra Nevada] Carnelian Bay Comment
  SEINET12528240 Image available Pyrola picta f. aphylla A. P. Kelley 1925-1 763 Placer Among rocks on north slope of canon under conifers. Comment
  CDA20384  Quercus berberidifolia P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  SBBG25329  Quercus chrysolepis R. A. Christison 1960-5-8 64 Placer jct of St Hwy 49 and Forest Hill turnoff 91 Comment
  UCD45387  Quercus chrysolepis Natalie deGarder 1992-6-6 18 Placer California, Placer Co., outside Forest Hill ne town, T14N R10E sect. 35, ne 1/4. 3300'. 1005 Comment
  UCD45539  Quercus chrysolepis P. Akers 2002-4-14 s.n. Placer Ponderosa Way, S of Weimar. Comment
  UCD45762  Quercus chrysolepis Beecher Crampton 1955-6-15 2909 Placer Yankee Jim, Placer County. Comment
  SACT002613  Quercus chrysolepis var. nana Josephine Van Ess 1977-11-4 Placer Collected up first ravine to south below Highway 49. Dry west-facing slope. 365.8 Comment
  CAS-BOT-BC86612  Quercus douglasii Alice Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  UCD45933  Quercus durata G. F. Hrusa 1995-5-20 12188 Placer Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. 39 deg. 01' N, 120 deg. 50' W. Placer County 600 m. 600 Comment
  CAS-BOT-BC105307  Quercus kelloggii Catherine A. Toschi 1963-3-23 63 .80 Placer 3 miles E of Auburn on the American River 396 Comment
  SBBG50715  Quercus kelloggii R. F. Denno 1967-5-6 75 Placer 1.5 mi N of Colfax, S of Bear River Comment
  UCSC009267  Quercus kelloggii Al Keuter 2015-3-31 10- 06 -2 Placer North Fork American River/SR193 203 Comment
  UCSC009994  Quercus kelloggii Al Keuter 2014-6-15 AK 00 -100 Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  CAS-BOT-BC104586  Quercus vacciniifolia J. F. Emmel 1970-6-21 317 Placer Slope, 0.6 air mile S of South end of Lake Mary, S. of Donner Pass 2286 Comment
  CAS-BOT-BC104588  Quercus vacciniifolia Mary P. Wells 1980-9-11 s.n. Placer Sierra Nevada. West of Pioneer Way in forest. Tahoe City 1981 Comment
  CAS-BOT-BC104589  Quercus vacciniifolia Mary P. Wells 1980-9-11 s.n. Placer Sierra Nevada. Forest West of Pioneer Way. Tahoe City 1981 Comment
  CHSC20422  Quercus vacciniifolia L. M. Mayer; D. E. Brink 1974-8-15 Placer Kidd Lake. Comment
  SBBG58963  Quercus vacciniifolia A. Lefebure 1941-8-18 633 Placer Brockway, Lake Tahoe 1981 Comment
  SACT002728  Quercus wislizeni Michael Baad 1983-4-9 Placer 1.5 - 3.5 ,miles south of junction with Auburn-Forest Hill Road. 1000' above Middle Fork of the American River 304.8 Comment
  UCSC010002  Quercus wislizeni Al Keuter 2014-9-1 AK 00 -110 Placer Near 4850 Douglas Boulevard, Granite Bay. 92 Comment
  UCR188847  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2007-3-25 11710 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  CDA16823  Raillardella argentea G. F. Hrusa, J. Glazner 2001-7-15 15964 Placer Sierra Nevada; North summit face of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  SEINET5501119 Image available Raillardella argentea Sally Walker 1982-8-4 Placer Above ski area, Tahoe. Comment
  UCD22191  Ranunculus alismifolius Rex Palmer 1979-6-20 N 346 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22193  Ranunculus alismifolius Rex Palmer 1979-6-2 N 367 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC379391  Ranunculus alismifolius var. hartwegii Anna Head 1921-6-12 s.n. Placer Feather River Region, Lake Independence Comment
  CAS-BOT-BC379394  Ranunculus alismifolius var. hartwegii Alice Eastwood 1909-1-1 130 Placer Ward Creek Comment
  CAS-BOT-BC379432  Ranunculus alismifolius var. hartwegii Gordon H. True 1972-4-27 7103 Placer Boca-Stampede Dam Road, 5.2 mi north of Boca 1768 Comment
  SEINET5338276  Ranunculus alismifolius var. hartwegii P. A. Lehenbauer 1926-4-25 1324 Placer Squaw Creek Comment
  CAS-BOT-BC378967  Ranunculus bonariensis Gordon H. True 1966-4-9 2706 Placer Near Rocklin, just east of Hiway 80 122 Comment
  JEPS113178  Ranunculus bonariensis var. trisepalus Lowell Ahart, Brian Williams 2007-4-13 13651 Placer On damp granite soil, on the bottom of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCD162599  Ranunculus glaberrimus var. ellipticus Steve Matson 2009-5-9 2201 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of Martis Creek; about 1 kilometer SW of Parking area. 1780 Comment
  UC9441  Ranunculus hebecarpus H. N. Bolander 1865-4-10 4510 Placer Auburn Comment
  UCR234220  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17159 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  SEINET9303908  Ranunculus occidentalis Unknown 1999-7-17 15152 Placer Martis Valley Comment
  UCR207887  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2009-4-22 14569 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  CDA13665  Ranunculus orthorhynchus var. orthorhynchus G. F. Hrusa, J. Glazner 1997-8-3 14025 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Colony with numerous individuals in central, wettest part of meadow. Comment
  UCD44729  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2095 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA3833  Raphanus sativus T. C. Fuller 1959-5-2 s.n. Placer Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  CAS-BOT-BC59530  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles northwest of Tahoe City 1889 Comment
  RSA78926  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-8 18120 Placer 1 mile S of Deer Park, Hwy 89, along Truckee River. 1982 Comment
  UCR190921  Rhamnus rubra George K. Helmkamp, E. A. Helmkamp 2007-5-23 12068 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  UCD128386  Rhodiola integrifolia subsp. integrifolia Albert Grigarick 2012-7-9 333 Placer Pacific Crest Trail. S of Donner Summit (Hwy 40). Approx. 300 yds S of trailhead. 2214 Comment
  CAS-BOT-BC58198  Rhododendron columbianum F. Almeda 1993-7-24 7265 Placer About 15 mi. se. of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  UC22142  Rhododendron occidentale Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UC877119  Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer 6 mi n of Colfax (Meier Ranch); Meier Ranch 762 Comment
  CAS-BOT-BC438105  Ribes Alice Eastwood 1912-6-15 366 Placer Deer Park Comment
  UCD43341  Ribes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 709 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC108692  Ribes cereum Bethel; Posey 1920-5-23 s.n. Placer Tahoe. Comment
  CAS-BOT-BC108702  Ribes cereum D. E. Breedlove 1962-6-13 3541 Placer Sierra Nevada. 7.0 miles south of Truckee. On steep bank of Truckee River. 1828 Comment
  UCD75745  Ribes cereum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5209 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  JEPS59415  Ribes lacustre Ezra Brainerd and Viola B. Baird 1915-7-15 134 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  SD247441  Ribes nevadense George Helmkamp, E. A. Helmkamp 2012-9-25 19902 Placer Northern Sierra Nevada Mountains: Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mile south of Blue Canyon-Nyack Airport (Blue Canyon 7.5'Q) 1473 Comment
  OBI39808  Ribes roezlii Joy H. Nishida 1985-7-10 777 Placer Homewood 1829 Comment
  UC1127574  Ribes roezlii N. French 1933-9-14 103 Placer Greek Store Tahoe National Forest, Colfax Quadrangle Comment
  UCD22360  Ribes roezlii Rex Palmer 1979-5-26 N 12 Placer Headwaters basin area of the North Fork of the American River. 2011 Comment
  SCFS5087  Ribes roezlii F. Felix, Erica Krimmel 2013-5-19 28 Placer North Fork American River, Serena Creek Junction with North Fork American River Comment
  CAS-BOT-BC186200  Ribes roezlii var. roezlii Frances I. Price 1919-8-1 s.n. Placer Fallen Leaf Lake Comment
  JEPS59417  Ribes velutinum Ezra Brainerd and Viola B. Baird 1915-7-15 136 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  UC35869  Rigiopappus leptocladus H. N. Bolander 1865-1 4569 Placer Newcastle Comment
  UCD108416  Robinia pseudoacacia G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12958 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR232688  Robinia pseudoacacia George K. Helmkamp, E. A. Helmkamp 2011-9-30 18343 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  RSA0009355  Rorippa curvisiliqua Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  JEPS115005  Rorippa curvisiliqua var. orientalis Lowell Ahart 2007-11-13 14595 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan 73 Comment
  CAS-BOT-BC74862  Rorippa subumbellata Ira L. Wiggins 1933-8-21 6786 Placer Shores of Lake Tahoe, near Tahoma. Comment
  UC12925  Rosa bridgesii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD113386  Rosa bridgesii G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12052 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCR215976  Rosa bridgesii George K. Helmkamp, Amy Barnes 2009-7-12 15176 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UCR258768  Rosa eglanteria George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20035 Placer Sierra Nevada Mountains Foothills, CA-49 at junction with Christian Life Way, c. 2 miles south of Grass Valley 755 Comment
  SCFS11529142  Rosa woodsii var. ultramontana E. Krimmel, F. Felix 2012-9-13 Placer Cedar Creek, in woods below Cedar's meadow. Comment
  RSA0009766  Rubus glaucifolius Marcus E. Jones 1882-6-28 3309 Placer Emigrant Gap. Comment
  CHSC9515  Rubus parviflorus J. F. Goodwin 1971-7-10 154 Placer 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  POM308867  Rubus parviflorus Betty J. Jorgensen 1944-6-30 507 Placer Yuba River near Donner Summit Lodge. Comment
  SCFS1118  Rubus parviflorus E. Krimmel 2013-6-13 Placer NFAm. Cedars full trail. Split #6 Comment
  UCD17695  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 20 Placer California. Placer County: corner of Grass Valley Highway and Sawyer Court in Auburn. Comment
  SEINET7707026  Rubus ursinus Vetter 1955-4-23 27 Placer 2 miles East of Loomis 274 Comment
  CAS-BOT-BC363141  Rudbeckia californica G. P. Rixford 1916-7-1 s.n. Placer Cisco Comment
  UC89647  Rudbeckia occidentalis T. S. Brandegee 1888-9-1 Placer Blue Canyon Comment
  UCR250080  Rumex crispus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20499 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  UCR257601  Rumex crispus George K. Helmkamp, Amy Barnes 2014-3-21 22639 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  UCD43380  Sagina apetala C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 748 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC267083  Sagittaria Brighton C. Cain 1925-8-15 6 Placer 2 miles S of Auburn at Wise Power House Comment
  CAS-BOT-BC132674  Salix John H. Thomas; Hazelle A. Thomas 1956-7-21 6127 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC103601  Salix eastwoodiae Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe region Comment
  CHSC73436  Salix eastwoodiae L. P. Janeway; Eric Schroder 1998-9-16 6324 Placer Lake Tahoe Basin Management Unit. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. 2164 Comment
  UC1134848  Salix eastwoodiae B. Bolt 1934-8-22 187 Placer Head of Picayune Creek Truckee Quad. 2286 Comment
  CAS-BOT-BC103755  Salix exigua Gordon H. True 1963-5-15 1249 Placer Near Penryn 152 Comment
  JEPS127552  Salix exigua Steve Matson 2000-6-24 453 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 400 m north of Hwy 267, 500 m west of Martis Creek, next to concrete slabs. Comment
  JEPS127554  Salix geyeriana Steve Matson 1998-9-1 395 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; middle fork Snow Creek; north end of main pond meadow Comment
  POM107080  Salix geyeriana Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  UCD44537  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1903 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA129736  Salix geyeriana var. argentea H. S. Yates 1934-6-29 3917 Placer Near Tahoe City. 1921 Comment
  CAS-BOT-BC107864  Salix gooddingii Gordon H. True 1968-7-9 4296 Placer Edge of roadside ditch, East of Sheridan, 5.5 miles west of Camp Far West Reservoir Comment
  CAS-BOT-BC108211  Salix hindsiana David D. Keck 1933-6-1 2436 Placer 1 mile south of Loomis on road to Rocklin Comment
  CAS-BOT-BC106880  Salix jepsonii W. R. Dudley 1900-6-24 5527 Placer Lake shore above McKenneys Comment
  UCD22310  Salix jepsonii Rex Palmer 1979-6-20 N 312 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD74259  Salix lasiolepis Jennifer W. Burt 2005-7-9 146 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from center of an abandoned ski run. 1870 Comment
  CAS-BOT-BC128473  Salix lasiolepis var. lasiolepis W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC124751  Salix lemmonii A. A. Heller 1917-6-19 12735 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC124754  Salix lemmonii W. R. Dudley 1900-6-14 5065 Placer Between Donner Lake and Summit on loop grade Comment
  CAS-BOT-BC124777  Salix lemmonii W. R. Dudley 1900-6-14 5123 a Placer Flat north of Lake Mary, near Summit Comment
  CAS-BOT-BC124781  Salix lemmonii W. R. Dudley 1900-6-14 5107 Placer Valley northwest of Lake Mary, near Summit Comment
  CAS-BOT-BC124784  Salix lemmonii W. R. Dudley 1900-6-14 5111 Placer Valley northwest of Lake Mary, near Summit Comment
  CHSC13658  Salix lemmonii E. L. Smith 1971-4-17 984 Placer At Yuba Gap ca. 7 km e of Emigrant Gap. 1770 Comment
  CHSC73994  Salix lemmonii Susi Urie 1998-8-28 98 -134 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  UCD43316  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 684 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC125066  Salix ligulifolia Dr. Kellogg 1870-6-30 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  CAS-BOT-BC129521  Salix melanopsis L. S. Smith 1931-8-27 2629 Placer French Mdws., Tahoe N.F. - along middle fork American River below Chalk Bluff crossing. Comment
  CAS-BOT-BC129080  Salix scouleriana W. R. Dudley 1900-6-1 5281 Placer Woods west of Independence Hotel Comment
  CAS-BOT-BC129086  Salix scouleriana Gordon H. True 1968-4-17 4168 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Rd. 1554 Comment
  CAS-BOT-BC129088  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer Along the Yuba river below Cisco 1676 Comment
  CAS-BOT-BC129089  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer Along the Yuba river below Cisco 1676 Comment
  UC1135082  Salix scouleriana B. Bolt 1934-7-19 145 Placer 1/2 mi. n. Tadpole Spring; Tahoe Nat'l Forest, Colfax Quad. Comment
  UCD34051  Salix scouleriana Beecher Crampton 1975-10-14 9321 Placer Placer County, Blue Canyon airport area. 1524 Comment
  CAS-BOT-BC238835  Sambucus nigra subsp. caerulea Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  JEPS72387  Sambucus racemosa var. microbotrys Gladys L. Smith 1972-6-20 3248 Placer steep slope just below Ward Peak summit 2628 Comment
  UC148977  Sambucus racemosa var. microbotrys H. M. Hall July 1910 8726 Placer Fordyce Creek Sierra Nevada Mountains 2103 Comment
  CAS-BOT-BC235190  Sambucus racemosa var. racemosa John Thomas Howell 1925-7-2 1333 Placer Trail to Desolation Valley above Glen Alpine, Lake Tahoe region Comment
  UCR240901  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2012-6-19 19214 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UCR253126  Sanguisorba minor subsp. muricata George K. Helmkamp, Amy Barnes 2014-4-23 22806 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  UCR260069  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22416 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  CHSC3874  Sanicula bipinnatifida Gary Dutton 1966-3-21 135 Placer Found on Lincoln cut-off to Newcastle. Two miles from Lincoln. Comment
  UCD127934  Sanicula bipinnatifida Lynn Gould 1962-3-31 19 Placer Central Avenue, 2 miles west of Roseville. Comment
  CAS-BOT-BC183655  Sanicula tuberosa G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12062 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  SEINET3815674 Image available Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Lake Tahoe, Chamber Lodge (McKinney) 1900 Comment
  UCD128045  Sanicula tuberosa G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12062 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 Comment
  SEINET11160285  Sanicula tuberosa C. Bell 1962-3-17 14 Placer Above North Fork American River, 2 miles E of Auburn, ecological area. 244 Comment
  JEPS82984  Saxifraga californica Patrick Elvander 1984-4-2 1023 Placer 5.3 mi on Yankee Jim Road from junction with Canyon Way (between Colfax and Foresthill off I-80); North Fork American River 1219 Comment
  UC858774  Saxifraga mertensiana Marcus E. Jones, A. M. 1882-7-1 3588 Placer Emigrant Gap Comment
  UC1602226  Saxifraga oregana G. W. Fetters 1929-7-10 Placer Pomin's near Lake Tahoe; Pomin's Comment
  JEPS47491  Saxifraga tolmiei C. F. Sonne 1888-8-12 92 Placer Tinker's Knob; Sierra Nevada Mountains, Tinker's Knob 2590 Comment
  JEPS72254  Saxifraga tolmiei Gladys L. Smith, Betsy Wilson 1972-8-26 Placer Granite Chief 2560 Comment
  CHSC73483  Schoenoplectus acutus var. occidentalis L. P. Janeway; Eric Schroder 1998-9-16 6326 Placer Lake Tahoe Basin. Southwestern border of Lily Lake; head of McKinney Creek, about 2.7 mi southwest of Lake Tahoe. Neear shore of lake. 2164 Comment
  CDA3392  Scleranthus annuus G. D. Barbe 1985-7-15 4238 Placer 10 miles east of Auburn, 1 mile northeast of Meadow Vista on Placer Hills Road. 0 Comment
  CAS-BOT-BC243506  Scribneria bolanderi G. L. Stebbins 1978-5-28 7896 Placer East end of Ralston Ridge 1554 Comment
  UCD21913  Scrophularia californica Beth Lowe Corbin 1982-8-25 422 Placer 1 mile SW of Rowton Park. In moist fine, sandy, disturbed soil in logged White Fir forest. Herb up to 2 1/2' high. Flowers dark brownish red. Full sun. SE facing slope, 20% incline. Occasional. 1981 Comment
  JEPS62899  Scutellaria californica Leland S. Smith 1925-7-14 1670 Placer Middle Fork American River, French Meadows Middle Fork American River; Tahoe National Forest, , French Me Comment
  UCD15634  Scutellaria californica R. B. Kelley 1985-5-12 188 Placer Stevens Trail, at end of North Canyon Rd, near Colfax. 1.5 miles NE of trailhead. 548 Comment
  SACT002075  Secale cereale D. Meyer 1983-10-22 Placer Searchlight ski run from base up to Olympic Lady chairlift. 2121.0 Comment
  CAS-BOT-BC418389  Sedum Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  UCD75750  Sedum obtusatum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5217 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  JEPS72360  Sedum obtusatum Gladys L. Smith 1972-8-25 3442 Placer Glacial stairsteps between Squaw Valley and Granite Chief; btwn Squaw Valley and Granite Chief 2133 Comment
  CAS-BOT-BC64209  Sedum obtusatum subsp. obtusatum John Thomas Howell 1943-7-21 18661 Placer Donner Pass to Mt. Lincoln Comment
  UCD102080  Sedum spathulifolium Noel F. Sommer 1954-5-19 102 Placer 2.9 miles southeast of U.S. Highway 40 on road originating 2.5 miles north of Weimar and going east to Foresthill. 762 Comment
  RSA684430  Selaginella hansenii Viola N. Poole 1932-05 323 Placer Auburn. 329 Comment
  CAS-BOT-BC62095  Selaginella hansenii G. Ledyard Stebbins 1969-11-30 6979 Placer West side of American River Canyon on road from Colfax to Iowa Hill 457 Comment
  CAS-BOT-BC69718  Selaginella wallacei G. L. Stebbins 1977-7-1 7737 Placer Above Middle Fork, American River, near Last Chance. 1341 Comment
  SEINET6409427  Selaginella watsonii H. N. Mozingo 1971-10-2 71 -58 Placer North fork of American River near Rt. 49, 2 miles east of Auburn Comment
  SBBG27354  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca. 1 mi W of Baxter Comment
  UC829681  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca 1.0 mi w Baxter Comment
  CHSC73934  Senecio hydrophilus Susi Urie 1998-8-25 98 -089 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC363911  Senecio integerrimus var. exaltatus Lewis S. Rose 1940-5-29 40422 Placer Cisco 1737 Comment
  UC2042507  Senecio integerrimus var. exaltatus Holly Forbes, Barbara Keller, and T. Tomashek 2012-6-12 Placer Blackwood Canyon Rd., 0.2 mi. W of junction with Highway 89. Comment
  UC197295  Senecio integerrimus var. exaltatus C. F. Sonne Jun 1898 Placer W slope Washoe Mountain near Truckee Comment
  CAS-BOT-BC364031  Senecio integerrimus var. major A. A. Heller 1917-6-17 12691 Placer Near the Yuba River below Cisco 1676 Comment
  JEPS126354  Senecio integerrimus var. major Steve Matson 1998-6-21 259 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  UC91697  Senecio integerrimus var. major C. F. Sonne July 1897 Placer Squaw Valley Comment
  CDA13679  Senecio serra var. serra G. F. Hrusa, J. Glazner 1997-8-3 14039 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd., along Squaw Valley Rd. Comment
  RSA0012467  Senecio serra var. serra Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UCD43180  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 549 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43325  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 693 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44414  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1780 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR231843  Senecio triangularis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16795 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  CAS-BOT-BC364383  Senecio triangularis C. F. Sonne 1884-7-20 185 Placer Sierra Nevada Mts. Truckee Comment
  UCD15160  Senecio vulgaris Phyllis Adams 1982-4-24 9 Placer near the town of Auburn, in the American River Canyon, at the end of Flood Road; 441 Comment
  UCD135241  Sequoiadendron giganteum G. F. Hrusa; K. van Katwyk 1995-5-20 12191 a Placer Sierra Nevada, in Placer Redwood Grove, northernmost grove of Sequoiadendron. 1800 Comment
  UC832211  Sericocarpus oregonensis subsp. californicus Ira L. Wiggins 1933-8-21 6789 Placer near, shores of Lake Tahoe Tahoma; Lake Tahoe Comment
  CDA19924  Sesbania punicea R. Simon 2002-6-17 PDR P 087232 Placer Sierra Nevada; Miner's Ravine Park 0 Comment
  CDA2406  Setaria faberi K. Stark 1974-11-6 Placer Taylor Road, Loomis. 0 Comment
  CDA37051  Sherardia arvensis CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  JEPS71940  Sibbaldia procumbens Gladys L. Smith 1972-8-25 3407 Placer trail to Granite Chief (slope between Shirley chairlift and Watson Memorial) 2560 Comment
  UC1980584  Sidalcea C. Rose Broome, Crissie Cagle 1978-8-3 2309 Placer Laing Rd. (frontage rd. to Rancho Sierra Inn) just S of I-80 at Emigrant Gap exit. Mountain meadow. Comment
  CDA25000  Sidalcea asprella J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC438825  Sidalcea asprella subsp. asprella George K. Helmkamp; Mary Alice Barnes 2013-5-3 20463 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  OBI12327  Sidalcea glaucescens Robert F. Hoover 1967-9-5 10835 Placer Carnelian Bay, Lake Tahoe Comment
  OBI48964  Sidalcea glaucescens Lewis S. Rose 1938-9-14 38262 Placer South Fork of Yuba River, 3 mi E of Cisco 1737 Comment
  RSA448572  Sidalcea glaucescens Bonnie C. Templeton 1931-7-15 1521 Placer Near Meeks Bay, Lake Tahoe 686 Comment
  RSA795079  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2011-8-26 18182 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC148998  Sidalcea glaucescens H. M. Hall 1910-7-11 8758 Placer along Yuba River (Old Cisco); Sierra Nevada Mountains, along Yuba River, Old Cisco 1737 Comment
  UC18885  Sidalcea glaucescens Mrs. M. M. Hardy 1893-1 Placer Comment
  UC718219  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer 1 mi n Lincoln; Sacramento Valley, n of Lincoln 45 Comment
  UC871458  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 mi n Colfax; n of Colfax Comment
  UCR201518  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2008-8-20 14017 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UCD44721  Sidalcea oregana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2087 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS127466  Sidalcea oregana subsp. spicata Steve Matson 2003-6-29 817 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area. Comment
  RSA448230  Sidalcea oregana subsp. spicata George B. Grant 1906-6-25 7072 Placer Lake Tahoe. Comment
  POM148068  Silene californica J. B. Feudge 1927-7-18 1648 Placer Baxter s Camp. Emigrant gap. Comment
  SEINET5726594 Image available Silene californica Allen Fone 1975-1 43 Placer 2.1 miles west of Auburn-Foresthill Road Comment
  JEPS111182  Silene douglasii Steve Matson 2005-6-19 1305 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  CAS-BOT-BC136287  Silene douglasii Kellogg; Brannan 1880-6-30 s.n. Placer Cisco Comment
  UC1283705  Silene douglasii Beecher Crampton 1964-7-21 7123 Placer 1 mi e Cisco Grove; e of Cisco Grove 1737 Comment
  CAS-BOT-BC389027  Silene laciniata subsp. californica G. Earnhart 1961-4-2 6 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  CDA11926  Silene lemmonii G. F. Hrusa, J. Dinsdale 1989-5-2 7065 Placer Sierra Nevada; Mosquito Ridge Rd, about 15 miles below Placer Redwood Grove. Comment
  CAS-BOT-BC181361  Silene occidentalis Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  SEINET5337234  Silene occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco, Upper Transition zone, in half-shaded openings in thickets. 1800 Comment
  UCR250175  Silene vulgaris George K. Helmkamp, Mary Alice Barnes 2013-5-3 20462 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCR152283  Sitanion Beecher Crampton 1957-5-7 3979 Placer 3.2 mi N of city of Roseville, along railroad and US Hwy 99E Comment
  SACT002218  Sitanion hystrix D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT002237  Sitanion hystrix James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002239  Sitanion hystrix D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT002258  Sitanion jubatum Michael Baad 1977-6-8 Placer 1.3 miles southwest of Volcano Canyon on road between Forest Hill and French Meadows, roadside in serpentine. Comment
  CDA15674  Smilacina racemosa G. F. Hrusa, J. Glazner 1999-7-18 15221 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC1364265  Solanum dimidiatum T. C. Fuller 17406 Placer Roseville, 221 Elm Street Roseville; , 221 Elm Street Comment
  UC1125012  Solanum umbelliferum N. French 1934-5-24 368 Placer N. fork, North Fork American River, Tahoe National Forest North Fork American River; Tahoe National Forest, North Fork American River 1341 Comment
  RSA338635  Solanum umbelliferum Margaret J. Williams 1985-7-6 85- 63 -4 Placer Pacific Crest Trail between old and new Donner Summits. Comment
  RSA122319  Solidago canadensis subsp. elongata B. Bolt 1934-8-22 186 Placer Grayhorse Flat, west of Lake Tahoe. 1982 Comment
  UCD43163  Solidago canadensis subsp. elongata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 532 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC365504  Solidago elongata Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CHSC96473  Soliva sessilis Lowell Ahart; Brian Williams 2007-4-13 13634 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SEINET9327121  Soliva sessilis Unknown 2002-5-27 271 Placer Shady lawn next to parking lot to American River Bike Trail to Folsom Lake State Rec Area. UTM: 10S 4285645 N, 0659288 E Comment
  CAS-BOT-BC157301  Sorbus californica Gordon H. True; James Roof 1975-10-16 7971 Placer Cisco Grove, north side of South Yuba River 1828 Comment
  CAS-BOT-BC157304  Sorbus californica A. A. Heller 1909-7-16 9835 Placer Summit 2133 Comment
  UCR194708  Sorghum halepense George K. Helmkamp, E. A. Helmkamp 2007-10-28 13107 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  UCR258183  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20038 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CDA4266  Spartium junceum W. Wilson 1958-3-11 153 -58 Placer Near Loomis. 0 Comment
  CAS-BOT-BC390745  Spergularia marina Gordon H. True 1971-4-9 6463 Placer Northern limits of Lincoln 48 Comment
  JEPS102552  Spergularia rubra Lowell Ahart 2001-10-10 9363 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  CAS-BOT-BC390675  Spergularia rubra G. B. Rossbach; R. P. Rossbach 1938-7-23 658 Placer From Pass above Donner Lake, near the Nevada and Placer Co. line 2164 Comment
  CDA15824  Spiraea splendens G. F. Hrusa, L. Serafini 1993-6-29 11260 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of french Meadows Reservoior. Comment
  UCD93121  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8158 Placer 1.5 miles W of Weimar, near Heather Glen, Interstate Hwy. 80 W. 579 Comment
  UCD93123  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8165 Placer 1 mile E of Penryn, Interstate Hwy. 80W. Comment
  UCD93129  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  UCD93131  Sporobolus cryptandrus Beecher Crampton 1969-10-9 8518 Placer Ca. 4 miles E of Cisco Grove, Interstate Hwy. 80 westbound, Big Bend area. 1828 Comment
  UCD93133  Sporobolus cryptandrus Beecher Crampton 1975-10-14 9330 Placer Emigrant Gap area on Interstate Hwy. 80. Comment
  UCD43037  Stachys rigida subsp. rivularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 406 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  RSA447392  Stachys stricta Wm. Martin 1971-9-10 20279 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UCD99342  Stellaria calycantha G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12056 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 11.1 miles northeast of Foresthill. Comment
  UCD44018  Stellaria littoralis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1384 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC391174  Stellaria longipes subsp. longipes Alice Eastwood 1909-1-1 36 Placer Lake Tahoe Region. Sunnyside Comment
  UCD75771  Stellaria longipes subsp. longipes Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5243 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  UC8659  Stellaria longipes var. longipes C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  UCR171028  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-24 10072 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  UCD150470  Stellaria umbellata James A. Neilson Jr. 1970-1 1978 Placer Tahoe Basin, Lower Ward Creek, plot 232P, space 7. 2005 Comment
  CAS-BOT-BC375011  Stenotus acaulis John Thomas Howell 1943-7-26 18838 Placer Mt. Lincoln Comment
  JEPS71597  Stenotus acaulis Gladys L. Smith 1972-8-25 3412 Placer West facing slope below Watson Monument, tr. to Granite Chief 2560 Comment
  POM51462  Stephanomeria lactucina Katherine Brandegee s.n. Placer Donner. Comment
  UC202225  Stephanomeria lactucina Heller 12893 Placer Summit Station 2121 Comment
  CAS-BOT-BC375611  Stephanomeria lactucina Roxana S. Ferris 1957-8-9 13098 Placer Along U. S. Highway 40 just West of Emigrant Gap Comment
  JEPS36882  Stephanomeria lactucina L. S. Smith 1925-8-13 1701 Placer road below Millers Defeat; Tahoe Forest 1859 Comment
  POM292647  Stephanomeria lactucina Lyman Benson 1932-7-31 4027 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  RSA136740  Stephanomeria lactucina Roxana S. Ferris 1957-8-9 13098 Placer US Hwy 40 just W of Emigrant Gap. Around aeroplane beacon. Comment
  SACT002313  Stipa californica Michael Baad 1983-7-11 Placer 0.1 mile south of intersection. 3.5 air miles southeast of Emigrant Gap. Comment
  SACT002322  Stipa californica D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT002388  Stipa occidentalis Michael Baad 1976-7-17 Placer 1 mile west of Alpine Meadows Ski Area on trail to Five Lakes open brush slopes. 2072.0 Comment
  RSA0115162  Stipa occidentalis var. californica Lyman Benson 1947-8-12 12794 Placer Near Emigrant Gap. Mt. Range: Sierra Nevada. 1219 Comment
  SEINET8080229  Stipa occidentalis var. californica P. B. Kennedy, S. B. Doten 1901-7-23 215 Placer Near Lincoln Valley. Comment
  SACT002397  Stipa pulchra Josephine Van Ess 1977-4-22 Placer Collected north of Athens Road. Railroad embankment. 39.6 Comment
  UCD164183  Streptanthus polygaloides N. Ivalu Cacho; Sharon Y. Strauss, Patrick J. McIntyre 2011-6-25 IC-SS 233 - Placer Casa Loma Rd (Alta Exit): on serpentine outcrop along railroad tracks. 1164 Comment
  CAS-BOT-BC87415  Streptanthus polygaloides Mary E. Jump 1939-6-25 s.n. Placer Road to Rawhide Mine about 5 miles from Alta (south or southeast). Comment
  UCD22381  Streptanthus tortuosus Beth Lowe Corbin 1982-8-11 320 Placer 1 3/4 miles SW of Onion Creek Campground. SE facing slope, 45% incline. Occasional. Full sun. Open, rock outcrop in montane chaparral. Flowers dried, whitish. 1920 Comment
  UCD22383  Streptanthus tortuosus Rex Palmer 1979-6-19 N 249 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET4891941  Streptanthus tortuosus P. B. Kennedy, S. B. Doten 1901-8-15 291 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  SEINET5501001 Image available Streptanthus tortuosus Sally Walker 1982-8-5 Placer Ski area above Tahoe Truckee Rd Comment
  LA44529  Styrax redivivus Carl B. Wolf; 1937-5-12 8609 Placer Sacramento Valley, W of N Fork American River, 8 mi N of Folsom on road to Auburn 121 Comment
  POM128175  Styrax redivivus W. W. Mackie 1904-04 s.n. Placer Newcastle. Comment
  CAS-BOT-BC245834  Symphoricarpos John H. Thomas; Hazelle A. Thomas 1956-7-21 6190 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  UCD22160  Symphoricarpos Beth Lowe Corbin 1982-8-3 199 Placer Hill west of Onion Creek Campground. 1853 Comment
  CHSC9531  Symphoricarpos mollis J. F. Goodwin 1971-7-10 159 Placer Approx. 1 mi west of Lake Tahoe at end of Old County Road, 2.3 mi SW of Cornelian Bay. 1981 Comment
  JEPS59431  Symphoricarpos rotundifolius var. rotundifolius Ezra Brainerd and Viola B. Baird 1915-7-9 151 Placer Bear Rock; Sierra Nevada Mts. 1889 Comment
  UCD43888  Symphyotrichum bracteolatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1254 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC74195  Symphyotrichum foliaceum var. parryi Susi Urie 1998-9-4 98 -259 Placer On north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC98479  Symphyotrichum spathulatum H. M. Hall 12888 Placer Summit Station 2121 Comment
  CAS-BOT-BC98486  Symphyotrichum spathulatum John Thomas Howell 1943-7-25 18817 Placer West side of Donner Pass near Norden 2133 Comment
  JEPS126314  Symphyotrichum spathulatum Steve Matson 1997-7-6 46 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  UCD33734  Symphyotrichum spathulatum Beecher Crampton 1972-7-26 8845 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD43307  Symphyotrichum spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 675 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS40836  Symphyotrichum spathulatum Rowena Beans 1914-9-7 Placer 2 mi w Tahoe Tavern Tahoe Tavern Comment
  UC1544811  Symphyotrichum spathulatum Almut G. Jones 1986-8-27 7282 Placer n of, along Hwy. 89 near junction to Squaw Valley Ski area Tahoe City 2100 Comment
  UC65315  Symphyotrichum spathulatum P. B. Kennedy and S. B. Doten 1901-8-19 418 Placer 7 mi from French Meadows Comment
  CHSC73923  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-26 98 -103 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC74203  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-4 98 -265 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  OBI20155  Symphyotrichum spathulatum var. spathulatum David J. Keil 1978-7-23 12923 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  CAS-BOT-BC376827  Tanacetum vulgare Bessie Kibby 1950-9-1 s.n. Placer Homewood, Lake Tahoe Comment
  JEPS126352  Taraxacum officinale Steve Matson 1998-5-17 197 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards north of airport creek, 200 yards south of Martis Dam Road. Comment
  JEPS127461  Taraxia subacaulis Steve Matson 1998-5-24 212 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 meters north of Highway 267, 100 meters east of Martis Creek. Comment
  UC146431  Taraxia tanacetifolia Miss Harriet A. Walker 1910-6-18 2135 Placer near R.R. track; Truckee Comment
  UCSB32305  Tauschia hartwegii Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CAS-BOT-BC85267  Taxus brevifolia Alice M. King 1923-5-1 s.n. Placer Placerville Comment
  UC20477  Tetrapteron graciliflorum H. N. Bolander 1865-4-13 4564 Placer Newcastle Comment
  CAS-BOT-BC392277  Thalictrum John H. Thomas; Hazelle A. Thomas 1956-7-21 6156 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC1602384  Thalictrum fendleri Katharine Brandegee Placer Donner Comment
  UC477528  Thalictrum fendleri L. S. Smith 1931-6-3 2552 Placer ravine below Duncan Fk.; Tahoe Nat. Forest 1981 Comment
  CAS-BOT-BC392402  Thalictrum fendleri Fay A. Mac Fadden 1934-7-26 12862 Placer Red Mt. Comment
  SEINET12092705  Thalictrum fendleri J. H. Nishida 1985-1 787 Placer Homewood: Red Fir Forest 1829 Comment
  CDA13673  Thalictrum fendleri var. fendleri G. F. Hrusa, J. Glazner 1997-8-3 14033 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  JEPS127523  Thalictrum sparsiflorum Steve Matson 2003-6-28 815 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork of Snow Creek, west edge of main boggy site. Comment
  CAS-BOT-BC77731  Thelypteris nevadensis Elizabeth Flint 1925-9-1 s.n. Placer Above Penryn 213 Comment
  UC469397  Thelypteris nevadensis Mrs. May N. Ackley 1931-1 Placer above Towle (near hwy.) 1127 Comment
  SEINET12437033  Thysanocarpus curvipes D. Small 1962-1 s.n. Placer 0.5 mile E of Auburn. Comment
  SEINET12476871  Thysanocarpus radians A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 622 Placer One mile N of Lincoln. Comment
  UCR173264A  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10427 A Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  CDA5466  Torilis nodosa T. C. Fuller 1959-5-2 2415 Placer Warren Wilson property, Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  UCD43313  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 681 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CDA35360  Toxicodendron diversilobum T. C. Fuller 1965-8-18 14005 Placer Sierra Nevada; 4 miles southeast of Loomis, Auburn-Folsom Rd. Comment
  UCD43119  Tragopogon dubius C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 487 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS14347  Trichostema oblongum Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-20 3884 Placer 7 mi E of Iowa Hill (S slope of hill just S of Shirttail Public Camp); Tahoe Naational Forest 1158 Comment
  SEINET3224367 Image available Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap. Comment
  UC147569  Trientalis latifolia Harriet A. Walker 1908-6-23 1223 Placer Blue Canyon 1432 Comment
  UCR235378  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2012-5-11 18960 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  SD62087  Trientalis latifolia Darley F. Howe 1965-5-21 4061 Placer Canyon, north side of American River between Forest Hill and Yankee Jims 914 Comment
  SDSU9873  Trientalis latifolia D. F. Howe 1965-5-21 4061 Placer Canyon on south side of fork of American River between Forest Hill & Yankee Jims. 914 Comment
  UCR194958  Trifolium bifidum var. decipiens George K. Helmkamp, E. A. Helmkamp 2007-5-18 12031 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  UCR208580  Trifolium campestre George K. Helmkamp, E. A. Helmkamp 2009-5-7 14619 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  CHSC73950  Trifolium cyathiferum Susi Urie 1998-8-25 98 -093 Placer About 0.2 mi north of Lake Tahoe. Large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS59435  Trifolium cyathiferum Ezra Brainerd and Viola B. Baird 1915-7-25 155 Placer Deer Park Sierra Nevada 1950 Comment
  UCD33050  Trifolium depauperatum Beecher Crampton 1966-4-14 7644 Placer North of Lincoln. Comment
  JEPS113249  Trifolium depauperatum var. depauperatum Lowell Ahart, Brian Williams 2007-4-13 13644 Placer On damp granite soil, margins of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCR231900  Trifolium depauperatum var. depauperatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17154 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  UCR249526  Trifolium depauperatum var. depauperatum George K. Helmkamp, Amy Barnes 2013-3-28 20280 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SD243144  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2011-4-10 17152 Placer Sacremaento Valley: along Riosa Road at the east edge of the village of Sheridan (Lincoln 7.5'Q) 41 Comment
  UCR250636  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCR253553  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-4-23 22805 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  CHSC96481  Trifolium glomeratum Lowell Ahart; Brian Williams 2007-4-13 13645 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CHSC114148  Trifolium hirtum G. K. Helmkamp; E. A. Helmkamp 2010-4-23 15933 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 157 Comment
  RSA782369  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15907 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  UC1278008  Trifolium hirtum B. Crampton 1957-5-7 3993 Placer 2 mi n Lincoln (along US Hwy 99E) Comment
  UCD111146  Trifolium hirtum G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10126 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  UCR188845  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2007-3-25 11712 Placer Foothills, Northern Sierra Nevada Mountains, Forest Hill Road at the junction with the unnamed road to Lake Clementine 457 Comment
  UCR198410  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2008-4-17 13297 Placer Sacramento Valley / Sierra Nevada Foothills, about 0.2 mile north of CA-193 on Fowler Road, about 6 miles east of Lincoln 93 Comment
  UCR208549  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14677 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UCD111229  Trifolium hybridum R. Tofsrud 1951-7-11 s.n. Placer Cisco Grove. Comment
  UCR120238  Trifolium hybridum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5059 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  SEINET9260873  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-1 22809 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  SD6082  Trifolium longipes Unknown Jun 1914 Placer Cisco Comment
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Jul 11 2010
  UCD43027  Trifolium longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 396 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC630803  Trifolium longipes var. hansenii L. S. Smith 1916-6 652 Placer Squaw Valley Comment
  UC16587  Trifolium longipes var. hansenii C. F. Sonne July 1887 Placer Truckee Sierra Nevada Mtns Comment
  UCR194699  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12203 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  SEINET7389529  Trifolium microcephalum A. Beninghoff 1930-4-20 1778 Placer 3 mi. n. Newcastle Comment
  UCD75818  Trifolium monanthum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5172 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail by creek. 2145 Comment
  CHSC82587  Trifolium monanthum subsp. parvum Lowell Ahart 2002-7-22 9887 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UC149006  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-1 8740 Placer Cisco Sierra Nevada Mtns 1798 Comment
  POM20464  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-11 8759 Placer Yuba River at Cisco Flats. 1740 Comment
  JEPS59437  Trifolium monanthum var. parvum Ezra Brainerd and Viola B. Baird 1915-7-21 157 Placer trail up river to Lake Tahoe; Sierra Nevada Mtns 1889 Comment
  SEINET9262032  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-1 Placer Northern Sierra Nevada Mountains Foothills; Yankee Jims Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5 Q) 768 Comment
  JEPS113118  Trifolium subterraneum Lowell Ahart, Brian Williams 2007-4-13 13647 Placer On damp granite soil, margins and bottoms of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC631452  Trifolium variegatum L. S. Smith 468 Placer Squaw Valley Comment
  UCD109434  Trifolium variegatum R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax. Comment
  UCD109441  Trifolium variegatum var. geminiflorum R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  CDA28057  Trifolium variegatum var. major T. C. Fuller 1958-4-15 Placer Highway 99E, 0.5 mile north of Roseville. 0 Comment
  UC630694  Trifolium wormskioldii J. A. DeCow Aug. 1900 436 Placer McKinneys Tahoe Comment
  POM109197  Trillium angustipetalum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  POM260064  Trillium chloropetalum var. giganteum C. L. Hitchcock 1940-5-7 6306 Placer 1 mile west of Baxter Comment