Search Results — 2000 specimen records retrieved (1617 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD133086  Abies concolor Beecher Crampton 1960-11-2 5801 Placer 2 miles E of Gold Run. Along US Hwy. 40. 1066 Comment
  UCD42944  Abies concolor C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 313 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SCFS11529149  Acer glabrum E. Krimmel 2014-6-26 Placer Road cut Comment
  UCD116957  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC372535  Acer macrophyllum Marcus E. Jones, A. M. 1882-1 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  UCR235391  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2012-5-11 18953 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  UCD44627  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1993 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SACT000018  Achnatherum lemmonii Michael Baad 1976-6-10 Placer openings; sections 24, 26, T.15.N; R.13.E 1829.0 Comment
  UCD22220  Achnatherum lemmonii Beth Lowe Corbin 1982-8-9 286 Placer 1/2 mile SW of Onion Creek Campground. S facing slope, 15% incline. Uncommon. Full sun. In rocky, fine, sandy soil. Open, logged, mixed conifer forest. Perennial. Leaves pale, bluish. 1767 Comment
  CAS-BOT-BC216415  Achnatherum lettermanii A. A. Heller 1917-8-14 12925 Placer Mount Lincoln, S of Summit Valley 2499 Comment
  UCD50816  Achnatherum nevadense Collector Unknown Date Unknown 12889 Placer Summit Station. 2121 Comment
  SEINET5585755  Achnatherum occidentale Lewis S. Rose 1946-1 46193 Placer Rainbow, north of Cisco 1737 Comment
  SACT000020  Achnatherum occidentale subsp. californicum James Grove 1977-7-15 Placer 2000.0 Comment
  UC477532  Achnatherum stillmanii L. S. Smith 1931-6-4 2557 Placer below Pine Nut (Duncan Canyon); Tahoe Nat. Forest 1524 Comment
  CAS-BOT-BC218035  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine range, Forest Hill District, Tahoe Forest 914 Comment
  CHSC74219  Acmispon americanus var. americanus Susi Urie 1998-9-2 98 -208 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCD103928  Acmispon americanus var. americanus S. S. Smith 1916-6 752 Placer Squaw Valley. Comment
  UCD22015  Acmispon americanus var. americanus Beth Lowe Corbin 1982-8-9 273 Placer 1/4 mile SW of Onion Creek campground. In fine, sandy soil. Disturbed open area in White Fir forest. Prostrate herb. Flowers white. Full sun. South facing slope, 10% incline. Locally common. 1859 Comment
  UCD22075  Acmispon americanus var. americanus Rex Palmer 1979-7-12 N 597 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET5327403  Acmispon americanus var. americanus W. D. Billings 1940-5-18 1317 Placer [Sierra Nevada] Gold Run, Placer mined area Comment
  SEINET5327531  Acmispon americanus var. americanus P. B. Kennedy, Samuel Bradford Doten 1901-8-18 413 Placer [Sierra Nevada] Talbots Home Camp, 7 mi from French Meadows Comment
  SEINET5327533  Acmispon americanus var. americanus P. B. Kennedy, Samuel Bradford Doten 1901-8-18 413 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  CHSC91778  Acmispon nevadensis G. F. Hrusa; J. Glazner 2000-7-1 15626 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 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
  HSC32497  Aconitum columbianum subsp. columbianum A. M. Montalvo, J. D. Ackerman 1974-7-20 387 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 Comment
  UCD22143  Aconogonon davisiae Rex Palmer 1979-7-11 N 565 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22141  Aconogonon phytolaccifolium Rex Palmer 1979-7-10 N 526 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD98793  Aconogonon phytolaccifolium G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12634 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCD33739  Acroptilon repens Beecher Crampton 1972-7-26 8851 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC29249  Acroptilon repens T. C. Fuller 1964-9-1 12572 Placer North edge of freeway interstate 80 from Donner Summit, 0.1 miles W of Blue Canyon Road 1524 Comment
  CDA11238  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. Comment
  CAS-BOT-BC29287  Adenocaulon bicolor Saichi Kawahara 1969-7-6 1424 Placer Near cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SEINET3860417 Image available Adiantum jordanii George K. Helmkamp, Mary Alice Barnes; Mary Jane Ganibe 2010-7-2 16437 Placer Sierra Nevada Mountains Foothills: Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way Colfax.; 0 415 Comment
  SACT000030  Aegilops triuncialis D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  UCD51602  Aegilops triuncialis B. Crampton 1955-5-27 2815 Placer 5-6 miles northwest of Roseville. Comment
  UCR241273  Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19218 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UCD22078  Agastache urticifolia Rex Palmer 1979-7-25 N 804 Placer Headwaters basin area of the North Fork of the American River Comment
  UC86229  Ageratina occidentalis C. F. Sonne 1894-9-2 Placer mountain summits above Summit Station; The Sierra Nevada Mountains 2438 Comment
Read comments
Aug 2 2009
  CAS-BOT-BC15491  Agoseris X elata Alice Eastwood 1909-1-1 141 Placer Sand Harbor Comment
  CHSC112160  Agoseris aurantiaca var. aurantiaca Dean Wm. Taylor 2013-8-7 21394 Placer Cold Stream Valley, just above Horseshoe Bend on the railroad mainline; Norden, Ca. 1889 Comment
  CDA15945  Agoseris grandiflora G. F. Hrusa, J. Glazner 1999-7-17 15154 a Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1563961  Agoseris heterophylla var. cryptopleura Barbara Ertter with David Thompson 1989-4-8 8154 Placer near entrance, ca 2 mi from I80 (at creek crossing) Auburn State Recreation Area; Iowa Creek Road 518 Comment
  CAS-BOT-BC13179  Agoseris monticola John Thomas Howell 1943-7-26 18832 Placer Donner Pass to Mount Lincoln Comment
  UCD43093  Agoseris monticola C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 461 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SJSU4566  Agoseris monticola R. L. Fisher 1959-8-5 Placer Emigrant Meadow 2286 Comment
  CAS-BOT-BC13328  Agoseris retrorsa Saichi Kawahara 1969-5-25 1016 Placer East bank of Indian Creek. East of house, Mel Henderson Ranch. Dutch Flat Quadrangle. 1036 Comment
  JEPS75042  Agoseris retrorsa Gladys L. Smith 1972-6-20 3260 Placer s facing slopes from summit to Sherwood Forest Ward Peak Summit; Sherwood Forest 2590 Comment
  RSA790861  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  UCD128657  Agoseris retrorsa A. S. Crafts 1926-5-1 794 Placer American River Canyon. Comment
  SACT000038  Agropyron cristatum D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center, near lakeshore. 1891.0 Comment
  UCD51686  Agropyron desertorum Beecher Crampton 1974-10-24 9096 Placer 1 mile west of Colfax. 762 Comment
  SACT000046  Agropyron intermedium var. intermedium D. Meyer 1983-7-30 Placer South of Truckee in campground along river 1818.0 Comment
  SACT000071  Agropyron trachycaulum Michael Baad 1983-7-23 Placer Boggy meadows along road 1828.8 Comment
  SACT000064  Agropyron trichophorum D. Meyer 1983-8-7 Placer bike trail behind Tahoe City shopping mall near lake shore 1891.0 Comment
  JEPS22879  Agrostemma githago Donald E. Vermeer 1959-5-2 13 Placer on U.S. Highway 40, 5 mi w Auburn 274 Comment
  UCD51797  Agrostis avenacea John Thomas Howell; Gordon H. True 1971-5-26 47621 Placer in Valley Grassland, northern limits of Lincoln. 48 Comment
  UCD80506  Agrostis capillaris CNPS SN Foothill Team 2006-6-27 SNNR 0725 Placer Placer Land Trust, Shutamul Parcel, Bear River. 313 Comment
  RSA129581  Agrostis exarata B. Bolt 1934-7-6 90 Placer Mammoth Spring. 1616 Comment
  SACT000086  Agrostis exarata D. Meyer 1983-8-7 Placer East bank 1879.0 Comment
  SACT000089  Agrostis exarata D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SACT000098  Agrostis exarata D. Meyer 1984-6-17 Placer Ponderosa Rd South of the American River. 2.88 km from Foresthill Rd 545.0 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
  SEINET9363211  Agrostis exarata Unknown 2009-7-16 15191 Placer Sierra Nevada Mountains Comment
  UCD52105  Agrostis exarata Beecher Crampton 1975-9-9 9273 Placer Gold Run rest area along Interstate Hwy. 80 W. 914 Comment
  SEINET10789967  Agrostis exarata Unknown Anonymous 12891 Placer Summit Station in open places in coarse granite sand, upper limit of the yellow pine belt (P. Jeffreyi). 2121 Comment
  SEINET7249201  Agrostis exarata George K. Helmkamp, Elizabeth Helmkamp 2013-1 Placer Comment
  UCD36658  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Placer County, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  UCR146665  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Sierra Nevada Mountains, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road 427 Comment
  UCD36675  Agrostis exarata var. pacifica Beecher Crampton 1955-6-15 2915 Placer Placer County, 6 miles west of Forest Hill. Comment
  CAS-BOT-BC139728  Agrostis gigantea Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 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
  SBBG115650  Agrostis microphylla B. Crampton 1957-5-7 3998 Placer ca. 1.7 mi E of Lincoln, rd to Newcastle Comment
  UCD37111  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer Placer County, 1.7 miles east of Lincoln, road to Newcastle. Comment
  CDA15931  Agrostis pallens G. F. Hrusa, J. Glazner 1999-7-17 15182 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Uncommon rhizomatous grass in +- moist sites surrounded by open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest. 1889 Comment
  OBI20161  Agrostis pallens David J. Keil 1978-7-23 12928 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UCD53003  Agrostis rossiae R. Tofsrud 1951-7-1 s.n. Placer near Campton's store, Hwy. 40 (above Nayak). Comment
  SACT000156  Agrostis scabra D. Meyer 1984-7-15 Placer 4.8 km from the lodge 1909.0 Comment
  SACT000170  Agrostis scabra D. Meyer 1984-9-9 Placer 1406.0 Comment
  UCD34882  Agrostis scabra Beecher Crampton 1964-7-9 7112 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  UCD43004  Agrostis scabra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 373 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD53345  Agrostis scabra B. Bolt 1934-8-14 173 Placer E. slope of Red Star Ridge. 1767 Comment
  UCD34017  Agrostis stolonifera Beecher Crampton 1975-9-9 9268 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  SACT000191  Agrostis stolonifera var. major D. Meyer 1983-8-7 Placer Hwy 267 4.6 km South of PLacer County line. Roadside wash. 1758.0 Comment
  SACT000216  Agrostis tenuis D. Meyer 1984-6-10 Placer 606.0 Comment
  SACT000240  Agrostis thurberiana D. Meyer Placer On road 30 miles from Sevene Lakes Lodge 1909.0 Comment
  SACT000248  Agrostis variabilis D. Meyer 1984-7-15 Placer 1909.0 Comment
  UCD42942  Agrostis variabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 311 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC64489  Ailanthus altissima Elizabeth McClintock 1969-5-31 s.n. Placer E. of Auburn. Comment
  SACT000226  Aira caryophyllea D. Meyer 1984-5-6 Placer 145.5 Comment
  SACT000229  Aira caryophyllea D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  SACT000236  Aira caryophyllea Michael Baad 1983-4-17 Placer Descending to Middle Fork of American River 411.48 Comment
  HSC15961  Alcea rosea R. A. Magie 1964-6-13 108 Placer Indian Hill Rd., Auburn Comment
  SCFS1221  Allium E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, Top Meadow. Comment
  CAS-BOT-BC447497  Allium amplectens Belle R. Jackson 1932-6-1 s.n. Placer on road to Iowa Hill, near Colfax Comment
  SEINET3884511  Allium bisceptrum Kaye H. Thorne, J. Chandler 1987-6-26 5433 Placer Squaw Valley Ski Resort.; 0 Comment
  UCD150264  Allium bisceptrum James A. Neilson Jr. Date Unknown 1485 Placer Placer County?: Tahoe Basin. Exact location uncertain, possibly ward valley (Lat 39.140341, Long -120.21263). Comment
  CHSC40965  Allium campanulatum J. D. Jokerst 1984-6-23 2064 Placer South of and adjacent to Big Mosquito Cr. 1249 Comment
  RSA35118  Allium campanulatum L. S. Rose 1944-7-13 44106 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  SEINET176938  Allium campanulatum M. E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  UC120013  Allium campanulatum C. F. Sonne 1895-7-25 Placer w slope Washoe Mts. Sierra Nevada Mountains, Washoe Mts. Comment
  JEPS106452  Allium jepsonii Barrett Anderson 2003-6-22 4893 Placer 1340 ft; NE corner of the intersecton of Dry Creek Road and Blue Grass Drive, approx. 0.8 mi E of Hwy 49. Serpentine outcrop with a seep. 408 Comment
  POM110112  Allium obtusum var. obtusum Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  SJSU7111  Allium platycaule R. L. Fisher 1959-6-22 Placer Lead Mine area of Sugar Bowl, SE of Norden 1981 Comment
  UC1123712  Allophyllum gilioides subsp. violaceum N. French 1934-6-22 480 Placer 1/2 mi. w. Lake Van Norden; Truckee Quad. Comment
  RSA795078  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18184 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC1123707  Allophyllum integrifolium B. Bolt 1934-7-10 93 Placer 2 mi. s. Huysink Lake; Tahoe Nat'l Forest, Colfax Quad. Comment
  UCR233402  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18184 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
  JEPS59059  Allotropa virgata C. F. Sonne 1888-7-1 437 Placer Sierra Nevada Mountains, on Truckee River Truckee River; Sierra Nevada Mountains, Truckee River Comment
  RSA463214  Alnus incana subsp. tenuifolia J. H. Nishida 1985-7-10 793 Placer Homewood. 1829 Comment
  UC1076427  Alnus incana subsp. tenuifolia H. L. Mason 1929-10-4 5463 Placer 4 mi s Truckee (on Truckee-Tahoe Rd, along river); Truckee River Comment
  UC1093925  Alnus incana subsp. tenuifolia Herbert L. Mason 1929-10-4 5461 Placer on Hwy 40 1 mi n Cisco Comment
  UCD42882  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 249 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43246  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 615 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SDSU4775  Alnus incana subsp. tenuifolia unknown 1948-5-22 1823 Placer 1707 Comment
  SACT002783  Alnus tenuifolia Michael Baad 1983-9-3 Placer Collected from Spitz Inn to wester slope of Mount Judah near summit 2286.0 Comment
  SACT002784  Alnus tenuifolia Michael Baad 1977-6-2 Placer Collected north facing slope in mixed coniferous forest. 853.0 Comment
  UCR51562  Alopecurus aequalis Lyman Benson 1942-7-2 11268 Placer 1 mi west of Truckee; Hwy junction 1829 Comment
  JEPS113248  Alopecurus saccatus Lowell Ahart, Brian Williams 2007-4-13 13660 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
  UCD55969  Alopecurus saccatus Beecher Crampton 1957-5-7 3988 Placer 2 miles north of Lincoln. Comment
  CAS-BOT-BC136771  Amelanchier utahensis Julia McDonald 1914-6-1 s.n. Placer Homewood, Lake Tahoe region Comment
  CDA24996  Amelanchier utahensis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Shrub on wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC1127779  Amelanchier utahensis N. French 1934-5-31 391 Placer 1 mi se Texas Hill; Tahoe National Forest, Colfax Quad. 1615 Comment
  UC12106 Image available Amelanchier utahensis C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  LA204917  Amorpha californica var. californica H. M. Hall; F. M. Essig 1916-6-5 10159 Placer Sierra Nevada, Bear River at Gautier Bridge, N of county, on W slope of the Sierra Nevada 400.0 Comment
  UCR238591  Amsinckia retrorsa George K. Helmkamp, E. A. Helmkamp 2012-3-31 18660 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UCR253125  Amsinckia retrorsa George K. Helmkamp, Amy Barnes 2014-4-23 22823 Placer Sierra Nevada Mountains Foothills, Foresthill Road, 0.6 mile northeast of Grizzly Bear House, c. 2 miles NE of Lake Clementine Rd, 0.57 mi. SW of Upper Lake Clementine Rd 526 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
  SD243066  Anaphalis margaritacea George K. Helmkamp, E. A. Helmkamp 2010-8-14 16792 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 (Duncan Peak 7.5'Q) 1552 Comment
  SEINET14147949 Image available Anaphalis margaritacea F. A. MacFadden 1934-7-28 2944 Placer Donner Lake Comment
  SEINET6734954 Image available Anaphalis margaritacea L. Miller 1932-8-28 s.n. Placer Cisco County Comment
  SACT000288  Andropogon virginicus Josephine Van Ess 1975-11-5 Placer Permanent stream to Linda Creek 94.5 Comment
  CAS-BOT-BC137793  Andropogon virginicus var. virginicus Beecher Crampton 1957-3-28 3911 Placer Base of the retainning wall of Folsom Lake along the road to Auburn, 3.5 miles northeast of Folsom. Comment
  JEPS72335  Anemone drummondii Gladys L. Smith 1972-6-20 3266 Placer just below summit Ward Peak 2590 Comment
  UC1122888  Angelica breweri B. Bolt 1934-8-21 184 Placer 1 mi se of Johnson's Monument (Tahoe National Forest); Tahoe National Forest 2225 Comment
  UC1167721  Angelica breweri Peter H. Raven 1958-6-14 13210 Placer w side of Donner Pass Donner Pass 2164 Comment
  UCR190224  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2007-8-1 12649 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-BC63971  Antennaria argentea C. F. Sonne 1885-6-14 161 Placer Tahoe City Comment
  UC507811  Anthemis cotula Orcutt 283 Placer Comment
  UCR146865  Anthemis tinctoria Beecher Crampton 1972-7-26 8853 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  UC815547  Anthoxanthum odoratum C. L. Hitchcock 1940-5-7 6316 Placer 1 mi w of Baxter Comment
  UCR176282  Anthriscus caucalis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10427 B Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  SEINET6329790  Aphanes occidentalis D. E. Brix 1962-3-17 s.n. Placer 3.5 miles east of Auburn 274 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
  SEINET3157162  Apocynum androsaemifolium W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  UCR193395  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2007-5-30 12209 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 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
  UCD121211  Apocynum androsaemifolium Collector Unknown Date Unknown s.n. Placer W Placer County. Exact locality unknown. Comment
  UCR216027  Apocynum cannabinum George K. Helmkamp, Amy Barnes 2009-7-12 15190 Placer Sierra Nevada Mountains Foothills, along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 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
  UCD164652  Aquilegia formosa Brandi Sorensen 1995-6-1 29 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCR240747  Aquilegia formosa George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19797 Placer Northern Sierra Nevada Mountains, along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  UCD114099  Arabidopsis thaliana Barbara Ertter; David Thompson 1989-4-9 8196 Placer Halfway down road to Lake Clementine (=North Fork Lake) NE of Auburn. 304 Comment
  UCR191106  Arabis holboellii var. pinetorum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12325 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  SEINET2470967  Arabis rectissima var. simulans K. Christie 2010-7-15 1908 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N55, ca. 1.5 mi. east of Brockway Summit. 2286 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
  CHSC10702  Arctostaphylos manzanita Lowell Ahart 1964-7-3 Placer On trail to Placer Queen Mine. 1676 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
  SEINET7258390  Arctostaphylos manzanita J. Schenk 1959-3-27 s.n. Placer 2 miles west of Auburn, on a saide road branching from Highway 40 152 Comment
  CAS-BOT-BC27157  Arctostaphylos mewukka Clinton Hart Merriam 1911-11-5 s.n. Placer West slope Sierra Nevada. 3 miles NW of Colfax. Comment
  UCR60663  Arctostaphylos mewukka G. D. Wallace, R. F. Thorne, Larry E. DeBuhr, et al. 1975-4-13 1421 Placer Sierra Nevada, Baxter exit off Hwy 80 between Alta and Blue Can. 1207 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
  UC481535  Arctostaphylos nevadensis G. W. Fetters 1929-6-11 Placer Pomin's Lake Tahoe Comment
  CAS-BOT-BC42104  Arctostaphylos patula W. R. Dudley 1900-6-29 s.n. Placer Tahoe City Comment
  OBI20020  Arctostaphylos patula David J. Keil 1978-7-23 12940 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  RSA254298  Arctostaphylos patula Gary D. Wallace, R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1420 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
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Jul 23 2017
  UC205108  Arctostaphylos patula Katharine Brandegee Placer Gold Run Comment
  UC82952  Arctostaphylos patula Katharine Brandegee 1889-7-1 Placer Blue Canyon Comment
  CAS-BOT-BC47125  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. Comment
  UC193056  Arctostaphylos viscida subsp. viscida C. F. Sonne Feb. 1885 Placer Gold Run Comment
  UC194945  Arctostaphylos viscida subsp. viscida H. M. Hall 1916-6-20 10216 Placer near Applegate; Sierra Nevada Mountains, Pinecrest 731 Comment
  UC876563  Arctostaphylos viscida subsp. viscida Fay A. MacFadden 1934-3-25 12411 Placer Dutch Flat 1066 Comment
  UC876565  Arctostaphylos viscida subsp. viscida C. L. Hitchcock 1940-5-14 6380 Placer ca. 6 mi n Colfax; Meier Ranch 762 Comment
  CDA15941  Arenaria congesta var. congesta G. F. Hrusa, J. Glazner 1999-7-17 15149 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA423602  Arenaria kingii subsp. compacta William Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CAS-BOT-BC82210  Arnica chamissonis Geo. B. Grant 1906-8-1 7082 Placer About Lake Tahoe 2438 Comment
  UC892075  Arnica cordifolia Alice Eastwood Jun 15 1912-Jun 19 1912 450 Placer Tahoe City Lake Tahoe Region Comment
  UCD74025  Arnica cordifolia Jennifer W. Burt 2005-7-12 111 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. 1974 Comment
  UC197366  Arnica dealbata C. F. Sonne 1895-7-14 Placer hillside near Pole Creek; Sierra Nevada Mountains, Truckee River Comment
  CAS-BOT-BC82683  Arnica longifolia Betty J. Jorgensen 1944-7-23 530 Placer Near Soda Springs Comment
  UC197284  Arnica longifolia C. F. Sonne 1897-8-1 Placer Mt. Anderson (e slope) Sierra Nevada Mountains, Mt. Anderson 2438 Comment
  JEPS22905  Arnica mollis John H. and Hazelle A. Thomas Jul 21 1956-Jul 22 1956 6213 Placer (vicinity of), 80 mi ne of Sacramento Donner Pass; Sierra Nevada 2133 Comment
  UC193451  Arnica mollis C. F. Sonne 1886-8-9 Placer above Coldstream Comment
  UCD42806  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 172 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 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
  CAS-BOT-BC85136  Arnica nevadensis Elizabeth Parsons Hawver 1911-8-1 s.n. Placer Lake Tahoe Region - Madden Creek, upper meadows Comment
  UC65331  Arnica nevadensis P. B. Kennedy and S. B. Doten 1901-8-10 274 Placer Devils Cliff (summit of) Summit Soda Springs Comment
  JEPS72586  Artemisia arbuscula Gladys L. Smith 1972-6-20 3199 Placer about terminus of summit chairlift Ward Peak 2621 Comment
  RSA531306  Artemisia arbuscula subsp. arbuscula Walter Wisura 1991-8-22 4549 Placer Squaw Valley beyond upper cable car stn. on gentle SE facing slope. Comment
  JEPS16969  Artemisia douglasiana Peter H. Raven 1956-8-4 9991 Placer Blue Canyon Sierra Nevada, Blue Canyon 1432 Comment
  UCD43091  Artemisia douglasiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 459 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC90713  Artemisia ludoviciana subsp. incompta C. F. Sonne 1887-8-7 s.n. Placer Mts. above Coldstream Comment
  CAS-BOT-BC90715  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer Base of a cliff north of Summit hotel 2164 Comment
  CAS-BOT-BC90716  Artemisia ludoviciana subsp. incompta John Thomas Howell 1943-7-26 18856 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  UC201315  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer n of Summit Hotel (base of a cliff) 2164 Comment
  UC193587  Artemisia ludoviciana subsp. incompta C. F. Sonne 1885-8-2 Placer ravine on river at Mathew's Dam; Truckee River Comment
  UC1119428  Artemisia rothrockii N. French 1934-6-22 462 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle 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
  UC193453  Artemisia spiciformis C. F. Sonne 1888-9-9 Placer on Truckee River; Bear Valley Comment
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Apr 3 2021
  UC372822  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
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Apr 7 2018
  SEINET178467  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant Gap. Comment
  UC22967  Asclepias cordifolia C. J. Fox Jr. July, 1895 Placer near Deer Park Inn Comment
  UC878961  Asclepias cordifolia Marcus E. Jones, A. M. 1882-6-30 2802 Placer Emigrant Gap Comment
  UCD121253  Asclepias cordifolia Al Franklin 1987-5-1 87 -7 Placer 1.3 miles east of I-80 on Foresthill Road, just outside Auburn, east side of N. Fork American River Canyon. 396 Comment
  RSA331972  Asclepias cordifolia W. Wisura 1985-6-1 4051 Placer Nayak, near Emigrant Gap, along dead end rd. to railway siding, on rocks. Comment
  SEINET10928326  Asclepias cordifolia Marcus E. Jones 1882-6-30 Jones 2802 Placer Emigrant Gap Comment
  CAS-BOT-BC474548  Asclepias speciosa James A. Neilson 1971-7-25 2283 Placer Tahoe Basin, King's Beach 1901 Comment
  POM120737  Aspidotis densa Marcus E. Jones 1882-6-27 5 m-11-26 Placer Emigrant Gap. Comment
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Sep 7 2010
  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
  CHSC74192  Aster alpigenus var. andersonii Susi Urie 1998-8-29 98 -166 Placer Lake Tahoe Basin Management Unit - National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CDA16047  Aster eatonii G. F. Hrusa, J. Glazner 2000-9-3 15665 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  UCR170804  Aster integrifolius George K. Helmkamp, E. A. Helmkamp 2005-9-30 9948 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR257623  Aster occidentalis var. occidentalis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19529 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
  UCD104669  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer Near Summit hotel. Comment
  CAS-BOT-BC66085  Athyrium filix-femina var. cyclosorum A. A. Heller 1919-7-25 13299 Placer near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC66086  Athyrium filix-femina var. cyclosorum M. N. Ackley 1926-6-1 71 Placer Bear Valley, Sierra Nevada 1371 Comment
  UC726479  Athyrium filix-femina var. cyclosorum A. A. Heller 1919-7-24 13299 Placer near Cisco Comment
  CDA37062  Avena barbata CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SACT000359  Avena barbata Michael Baad 1983-4-17 Placer 4 miles South of Interstate 80 on Ponderosa Road 411.48 Comment
  SEINET5336143  Avena barbata J. Solaegui 1977-3-19 s.n. Placer 3 mi. E of Auburn on Rt. 49 on dirt road immediately N of Highway 274 Comment
  SEINET4342872  Avena fatua P. Lehenbauer 1937-5-16 s.n. Placer Auburn Comment
  SACT000419  Avena occidentalis D. Meyer 1984-6-17 Placer 666.0 Comment
  JEPS126383  Balsamorhiza hookeri Steve Matson 1998-5-17 199 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards north of airport creek, 100 yards south of Martis Dam Road; 5% slope. Comment
  CAS-BOT-BC100094  Balsamorhiza sagittata John H. Thomas; Hazelle A. Thomas 1956-7-21 6090 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC16554  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  CHSC11040  Barbarea orthoceras Lowell Ahart 1966-7-2 Placer Ahart Camp, French Meadows. 1524 Comment
  UCD63142  Barbarea orthoceras A. M. Shapiro 2007-6-13 s.n. Placer California. Placer County: Along railroad tracks near Soda Springs. 2115 Comment
  UCR250689  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20353 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
  UC1126293  Berberis aquifolium var. repens J. E. Sowder and R. W. Lundh 1933-4-26 37 Placer ne Colfax Hill (near camp); Colfax Quadrangle Comment
  CDA43434  Berteroa incana Patterson & Diefendorf 2015-7-7 PDR# 310 P06130033 Placer Alpine Meadows Ski Area maintenance lot. 0 Comment
  UCD129571  Bidens frondosa G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12955 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  JEPS126261  Bistorta bistortoides Steve Matson 1998-6-6 221 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, east of Martis Creek. Comment
  CAS-BOT-BC14252  Boechera pinetorum Lewis S. Rose 1944-7-10 44052 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CAS-BOT-BC14253  Boechera pinetorum Lewis S. Rose 1940-6-1 6200 Placer Truckee River, 3 miles northwest of Tahoe City. 1889 Comment
  CAS-BOT-BC25455  Boechera retrofracta Margaret Williams 1974-8-8 74 -P1-20 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  UC186849  Boechera sparsiflora C. F. Sonne 1885-6-21 Placer Truckee River (Polo Creek) Truckee River Comment
  CAS-BOT-BC25704  Boechera sparsiflora John Thomas Howell 1925-5-27 1091 Placer Lake Tahoe. Emerald Bay Camp. 1889 Comment
  JEPS109849  Boechera suffrutescens Dean W. Taylor 2005-7-15 19408 Placer Martis Peak, western flank near headwaters Monte Carlo Creek, Truckee River watershed 2164 Comment
  POM92048  Boykinia occidentalis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CDA37232  Brassica campestris CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR171022  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2006-2-9 10064 Placer Northern Central Valley, Clark Tunnel Road and Calif. Highway 193, east of Lincoln 113 Comment
  UC175390  Brickellia greenei Miss Helen D. Geis 1909-8-1 Placer Deer Park, Tahoe District Comment
  CAS-BOT-BC145514  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco. 914 Comment
  UC790972  Briza minor A. A. Beetle 1941-5-26 2711 Placer hillside near Cisco 914 Comment
  HSC24615  Briza minor L. M. Malloy 1965-4-17 39 Placer 1 mi. NE of Lincoln between Hwy. 99 E and Clay-Potter Rd. Comment
  SEINET10570657  Brodiaea Carl B. Wolf 1937-5-12 Wolfe 2799 Placer Sacramento Valley, 1 m N of Lincoln. Upper Sonorn:- Grasses. Sun, clay, open flats. 150 feet. Comment
  UCD77127  Brodiaea minor Robert E. Preston 2002-6-14 1817 Placer Auburn, along Dry Creek Rd, ca. 0.8 mi e of its jct with Hwy 49. 440 Comment
  UCD77185  Brodiaea minor Robert E. Preston 2004-6-12 2255 Placer Ca. 1 mile east of Colfax, along Iowa Hill Road. 342 Comment
  UCD147856  Brodiaea rosea subsp. vallicola Robert E. Preston 2013-4-15 2910 Placer Between Roseville and Lincoln, 200 ft E of Hwy 65, 0.7 mi N of Sunset Blvd. 47 Comment
  SEINET7067123  Brodiaea stellaris 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
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Jul 17 2018
  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
  SEINET4345208  Bromus carinatus W. D. Billings 1940-5-18 1302 Placer Gold Run Comment
  JEPS127502  Bromus carinatus var. carinatus Steve Matson 1997-7-5 37 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  SACT000499  Bromus carinatus var. carinatus Michael Baad 1983-7-11 Placer 3.5 air miles southeast of Emigrant Gap. Continuing towards black mountain to western edge. Comment
  UC1130991  Bromus carinatus var. carinatus G. T. Nordstrom 1934-6-21 138 Placer Tahoe National Forest, Mammoth Springs Mammoth Springs; Tahoe National Forest, Mammoth Springs 1706 Comment
  UCD59195  Bromus carinatus var. marginatus Mrs. H. P. Kelley 1916-7-17 s.n. Placer Tallac, Lake Tahoe. Comment
  CAS-BOT-BC156283  Bromus catharticus John Thomas Howell; Gordon H. True 1968-6-9 44512 Placer Sierra Nevada. Alta. 1066 Comment
  UCD36651  Bromus commutatus Beecher Crampton 1955-6-15 2862 Placer Placer County, 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. Comment
  CAS-BOT-BC155985  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  SACT000531  Bromus diandrus D. Meyer 1983-5-7 Placer Roadside Comment
  CAS-BOT-BC155063  Bromus hordeaceus John Thomas Howell; Gordon H. True 1972-3-17 7080 Placer Northern outskirts of Lincoln. 48 Comment
  SD255609  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-3-21 22641 Placer Sacramento Valley: Sherican, Riosa Road at the west side of its junction with old CA-65 (Sheridan 7.5'Q) 32 Comment
  UCR176281  Bromus hordeaceus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10430 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  SD112425  Bromus hordeaceus 1951-5-1 2106 Placer 456 Comment
  SACT000556  Bromus inermis D. Meyer 1983-8-20 Placer moist roadside meadow, some vegetation following residential construction 2000.0 Comment
  UCD36678  Bromus laevipes Beecher Crampton 1955-6-15 2916 Placer Placer County, 6 miles west of Forest Hill. Comment
  UCR235617  Bromus laevipes George K. Helmkamp, E. A. Helmkamp 2012-5-5 18910 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
  SACT000645  Bromus madritensis Josephine Van Ess 1977-5-6 Placer collected just inside park, moist ditch bank 176.8 Comment
  CDA37198  Bromus madritensis subsp. rubens CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000700  Bromus marginatus D. Meyer 1983-8-7 Placer east bank 1879.0 Comment
  UCD32815  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Placer County, Blue canyon. 1430 Comment
  UCD59244  Bromus orcuttianus L. T. Burcham; H. W. Miller 1962-7-31 s.n. Placer Upper middle fork of the American River. 1828 Comment
  SEINET4391133  Bromus rigidus A. Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-1 606 Placer One mile north of Lincoln.; 0 Comment
  UCD36324  Bromus secalinus Beecher Crampton 1953-5-26 1337 Placer Placer County, 2 miles north of Lincoln, Sunnybrook Farm. Comment
  OBI20099  Bromus sitchensis David J. Keil 1978-7-23 12948 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  SACT000674  Bromus sterilis Josephine Van Ess 1975-5-23 Placer west side of top rocky crown of the hill. Shaded sheltered by arge rocks wooded area. 915.0 Comment
  CAS-BOT-BC161572  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mount Lincoln south of Summit Valley. 2499 Comment
  CAS-BOT-BC161527  Bromus tectorum Saichi Kawahara 1969-7-19 1523 Placer Side of road, south side of Highway 80, 1 mile west of Blue Canyon on turnoff. 1524 Comment
  SD44641  Bromus tectorum D. F. Howe 1951-5-3 Placer 1067 Comment
  SACT000795  Bromus vulgaris D. Meyer 1984-7-29 Placer 1661.0 Comment
  UCD43047  Calamagrostis bolanderi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 416 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET10867417  Calamagrostis bolanderi A. Arthur Heller 1903-8-10 Heller 7180 Placer Above Donner Pass. 2286 Comment
  CDA25015  Calamagrostis canadensis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC73114  Calamagrostis canadensis L. P. Janeway 1998-8-6 5995 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UC1137093  Calamagrostis canadensis August L. Hormay 1932-7-8 Placer Lake Tahoe, W side; 3 miles [from?] South Tavern Comment
  UCD42956  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 325 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA37239  Calandrinia ciliata CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  UCSB45754  Callitriche marginata Reisentz, Paul 1979-5-11 Placer 1 mile south of Sheridan on Highway 65 Comment
  SJSU8208  Callitriche palustris W. Savage 1968-8-2 563 Placer 200 yards E of L Van Norden Comment
  UCD132878  Calocedrus decurrens G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11211 Placer Northern Sierra Nevada Mtns foothills; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  CHSC81580  Calochortus albus D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  UCD139464  Calochortus albus J. L. Wirka 1995-5-19 s.n. Placer approximately 2 miles 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
  UCR253531  Calochortus albus George K. Helmkamp, Amy Barnes 2014-4-23 22795 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
  CDA15651  Calochortus leichtlinii G. F. Hrusa, J. Glazner 1999-7-18 15186 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  RSA377378  Calochortus leichtlinii W. Hutchinson 1922-06 3566 Placer Lake Tahoe. Comment
  SEINET3885470  Calochortus leichtlinii K. Thorne, J. Chandler 1987-6-26 5427 Placer Ca Hwy 267, 3.2 mi south of Brockway Summit.; 0 Comment
  SCFS1106  Calochortus minimus E. Krimmel 2013-6-2 Placer Near pond at top of Foresthill Road, near Am. River gorge overlook Comment
  UCD150567  Calochortus minimus James A. Neilson Jr. 1971-7-17 2239 Placer Tahoe Basin, McKinney Lake drainage. 2023 Comment
  CAS-BOT-BC483463  Calochortus minimus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap Comment
  CAS-BOT-BC483468  Calochortus minimus Miss T. O. Raphael 1923-7-6 s.n. Placer Cisco Comment
  UCD164625  Calochortus monophyllus Brandi Sorensen 1995-6-1 18 Placer .73 kilometers northwest of Colfax. 671 Comment
  SEINET3364434 Image available Calochortus nudus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap Comment
  SEINET3992420  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles north of Colfax Comment
  CAS-BOT-BC126721  Calycadenia multiglandulosa G. K. Helmkamp; E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SD237303  Calycadenia multiglandulosa G. K. Helmkamp, E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  JEPS127654  Calyptridium monospermum Jurriaan M. de Vos 2014-6-27 295 Placer El Dorado NF. Ca. 1.8 miles SW along French Meadows Road toward Hell Hole from French Meadows Reservoir. Comment
  UC148961  Calystegia malacophylla H. M. Hall 1910-7-4 8739 Placer Cisco Sierra Nevada Mountains, Cisco 1798 Comment
  UCD126144  Calystegia occidentalis D. H. Hartmann 1941-6-8 s.n. Placer E. of Auburn, along U.S. #40. 914 Comment
  UCR257020  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 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 290 Comment
  SEINET10743106  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff; K. Van Zuuk; Barbara J. Ertter 2012-6-12 Brummitt 22051 Placer Tahoe National Forest, 8.2 mi NE of Foresthill, on Sugar Pine Road, 4.4 mi from Forest Hill Road. 1170 Comment
  SEINET10880650 Image available Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff; K. Van Zuuk; Barbara J. Ertter 2012-6-12 Brummitt 22047 Placer Tahoe National Forest, 3 mi NE of Foresthill, on Western States Trail, ca. 1 mi from Michigan Bluff Road. 1091 Comment
  UC843718  Camassia quamash subsp. breviflora Alice Eastwood Jun 15 1912-Jun 19 1912 400 Placer Deer Park; Lake Tahoe Region, Deer Park Comment
  POM59079  Campanula prenanthoides Allen M. Carpenter s.n. Placer Placer Co. Comment
  SEINET10463036  Campanula prenanthoides Wiegand 1921-8-26 WIEGAND 2397 Placer Blue Canyon, Donner Pass road 1219 Comment
  SEINET10463082  Campanula prenanthoides Jones 1900-7-26 Jones s.n. Placer BLUE CANYON 4800 Comment
  SEINET10939005  Campanula prenanthoides Rimo Bacigalupi 1952-7-19 Bacigalupi 3863 Placer Near site of Monona Flat, ridge between Indian Creek and North Fork of the American River, about 2.5 miles east of Iowa Hill 991 Comment
  UCD22361  Cardamine breweri Beth Lowe Corbin 1982-8-12 331 Placer Onion Creek Campground. SW facing slope, 5% incline. Mostly sun. Abundant. In shallow, boggy stream, in mixed conifer forest. Flowers white. 1841 Comment
  UCD22365  Cardamine breweri Rex Palmer 1979-7-26 N 835 A Placer Headwaters basin area of the North Fork of the American River Comment
  RSA151578  Cardamine breweri Paul A. Mitchell 1960-6-5 118 Placer D. L. Bliss State Park; in small Cr[eek] crossing State Hwy 89 about 0.5 mile N of Entrance Station. 2073 Comment
  CHSC74211  Cardamine breweri var. breweri Susi Urie; Eric Schroder 1998-9-10 98 -327 Placer Lake Tahoe Basin--National Forest. Atone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CDA12415  Cardamine cordifolia var. lyallii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8543 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC170120  Cardamine cordifolia var. lyallii Miss Helen D. Geis 1912-6 65 Placer Deer Park Comment
  SEINET5341061  Cardamine integrifolia var. integrifolia M. Humphreys 1950-4-1 2 Placer Growing in very wet soil, 6 miles west of Baxters on south side of highway 40. 853 Comment
  CAS-BOT-BC37794  Cardamine nuttallii Mrs. Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat. Comment
  CDA39224  Cardaria pubescens Keith Kohler 2013-8-5 PDR# 310 P06129936 Placer Vicinity of Truckee; Northstar, Village Walk. 0 Comment
  CAS-BOT-BC281743  Carduus pycnocephalus J. H. Wilson 1968-6-6 s.n. Placer Dick Cook Rd, Loomis Comment
  JEPS49030  Carex Leland S. Smith 1937-8-12 2236 Placer below Squaw Peak (upper end of basin); Tahoe Forest, Squaw Peak Basin 2286 Comment
  CHSC74282  Carex angustata Susi Urie; Eric Schroder 1998-9-12 98 -357 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CDA15926  Carex athrostachya G. F. Hrusa, J. Glazner 1999-7-17 15177 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest in vicinity. Clumping on edges of moist, lower part of main drainage. 1889 Comment
  UCD42857  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 224 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC74715  Carex cusickii Susi Urie; Eric Schroder 1998-9-11 98 -339 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 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
  SEINET176586  Carex filifolia Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  SEINET5786460 Image available Carex filifolia Marcus E. Jones 1882-1 2908 Placer Emigrant Gap Comment
  OBI6445  Carex fracta Robert F. Hoover 1967-9-7 10853 Placer Antone Meadow Comment
  SEINET1876647  Carex fracta David Keil 1978-7-23 K- 12946 Placer Cisco Grove exit from I-80, just E of Nevada Co. line Comment
  UCD74072  Carex fracta Jennifer W. Burt 2005-7-11 8 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
  CAS-BOT-BC22173  Carex helleri L. S. Smith 1927-8-12 2225 Placer Squaw Peak Ridge. Top ridge, near pass from American side. 2438 Comment
  UCD75686  Carex heteroneura Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5135 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
  POM81546  Carex hoodii Marcus E. Jones 1882-6-28 3532 Placer Emigrant Gap. Comment
  UCR120502  Carex illota George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5029 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  NY11165  Carex integra A. A. Heller 1909-7-16 9841 Placer Summit 2133.6 Comment
  SEINET10710002  Carex integra Lewis S. Rose 1939-6-5 Rose 39216 Placer Bear Valley, near Emigrant Gamp. 1372 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
  CAS-BOT-BC32454  Carex luzulifolia var. strobilantha Amos Arthur Heller 1903-8-17 7187 Placer Above Donner Pass 2286 Comment
  UCR240915  Carex mariposana George K. Helmkamp, E. A. Helmkamp 2012-6-19 19240 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  UCD43339  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 707 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44432  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1798 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD74079  Carex microptera Jennifer W. Burt 2006-7-1 171 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. 1975 Comment
  CAS-BOT-BC32062  Carex multicaulis Saichi Kawahara 1969-5-24 877 Placer Mineshaft E of old cabin E bank of Indian Creek, Mel Henderson Ranch. 1002 Comment
  CAS-BOT-BC32063  Carex multicaulis Saichi Kawahara 1969-5-25 900 Placer Ditchline, N of old Cabin, Mel Henderson Ranch, Indian Creek. 1011 Comment
  CDA16987  Carex multicaulis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16040 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  POM260101  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer 1 mile west of Baxter Comment
  SEINET3219609 Image available Carex multicaulis Clare B. Hardham 1961-6-14 7349 Placer route 40, near Baxter. Comment
  UC1133411  Carex nebrascensis H. S. Yates 1936-8-9 5994 Placer 2 mi sw Martis Pk.; Truckee Quadrangle Comment
  UCD44439  Carex nervina C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1805 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC118342  Carex praegracilis Alice Eastwood; John Thomas Howell 1937-5-8 4363 Placer Between Newcastle and Penryn. Comment
  UCD44535  Carex preslii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1901 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA25018  Carex raynoldsii J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Creek bank betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCSB63735  Carex raynoldsii Jokerst, James 1986-7-13 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area Comment
  SEINET13699934  Carex raynoldsii A. A. Heller 1909-7-16 9854 Placer Summit [Donner Summit] 2134 Comment
  SEINET7574996 Image available Carex scopulorum var. bracteosa Unknown 2003-8-24 7969 Placer Homewood 7.5' quad, Northern High Sierra Nevada. Just below the Pacific Crest Trail 2.1 km (air) north of Barker Pass, head of small drainage into North Fork Blackwood Creek. 2365 Comment
  SEINET4285926 Image available Carex simulata K. Chung, Matson, S 2009-1 1079 Placer Lake Tahoe, north side Comment
  UCD43189  Carex simulata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 558 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD42788  Carex spectabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 154 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC116554  Carex subfusca John Thomas Howell; Gordon H. True 1968-6-9 44517 Placer Alta. 1066 Comment
  CDA16979  Carex subfusca G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16034 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC72895  Carex subfusca L. P. Janeway; Eric Schroder 1998-7-13 5741 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  RSA35097  Carex subfusca L. S. Rose 1944-7-10 44042 Placer Quail Lake, 3 miles W of Chambers Lodge Lake Tahoe. 2134 Comment
  UC1748361  Carex subfusca Susi Urie 1998-8-11 98 -13 Placer about 2 mi W of Lake Tahoe and Sunnyside (about 0.5 mi N of Ward Creek, along a small tributary) 2097 Comment
  UCR191096  Carex subfusca George K. Helmkamp, E. A. Helmkamp 2007-6-12 12324 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UC1147789  Carex tumulicola Alice Eastwood, John Thomas Howell 1937-5-8 4363 Placer between Newcastle and Penryn Comment
  UCD162535  Carex utriculata Steve Matson 2002-8-17 697 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 Comment
  UCD43959  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1325 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD140949  Carex utriculata L. S. Smith 1916-6-20 642 Placer Lake Tahoe. Sierra Nevada. Comment
  CHSC74316  Carex vesicaria Susi Urie 1998-9-4 98 -263 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UC1133481  Carex vesicaria L. S. Smith 1927-8-6 2157 Placer Robertson Flat Ranger Station Tahoe <National Forest>, Forest Hill Dist., Colfax Quadrangl Comment
  CAS-BOT-BC114927  Carex whitneyi John H. Thomas; H. A. Thomas 1956-7-21 6216 Placer Sierra Nevada. Donner Pass, ca 80 mi NE of Sacramento. 2377 Comment
  CAS-BOT-BC114931  Carex whitneyi Lewis Samuel Rose 1940-6-1 40451 Placer Truckee River, 3 mi. NW of Tahoe City. 1889 Comment
  OBI20168  Carex whitneyi David J. Keil 1978-7-23 12945 Placer Cisco Grove exit from I-80, just E of Nevada Co line. So fork of Yuba River 1768 Comment
  SEINET3909086  Carex whitneyi N. H. French 1934-6-26 s.n. Placer Tahoe National Forest.; 0 Comment
  JEPS72455  Cassiope mertensiana subsp. californica Gladys L. Smith 1972-8-25 3438 Placer Below cirque, N face Granite Chief. 2575 Comment
  JEPS88816  Castilleja affinis subsp. affinis T. I. and F. M. Chuang 1991-6-29 7838 Placer Gold Run Comment
  CAS-BOT-BC249699  Castilleja applegatei subsp. pinetorum Marcus E. Jones 1930-7-10 25530 Placer Lake Tahoe 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
  RSA463234  Castilleja applegatei subsp. pinetorum J. H. Nishida 1985-7-10 771 Placer Homewood. 1829 Comment
  RSA569050  Castilleja applegatei subsp. pinetorum Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC198250  Castilleja applegatei subsp. pinetorum Katharine Brandegee Aug 1917 Placer Donner Summit Comment
  SEINET13764202  Castilleja chromosa P. A. Lehenbauer, R. E. L. 1923-6-23 774 Placer Lake Tahoe, [Homewood,] McKinney's Resort. Comment
  CHSC1815  Castilleja densiflora subsp. densiflora 1943-4-21 Placer North of Lincoln. Comment
  SEINET13773067  Castilleja exserta D. F. Erskine 1941-4-26 5 Placer 2 miles E of Roseville. 76 Comment
  SD237608  Castilleja lineariloba G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15915 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mile north of the American River crossing (Pilot Hill 7.5'Q) 199 Comment
  JEPS9828  Castilleja miniata W. L. Jepson 1918-7-30 7732 Placer Tahoe; Lake Tahoe 1920 Comment
  UC1063339  Castilleja miniata B. Bolt 1934-7-19 151 Placer 1.5 mi n Tadpole Spring; Tahoe Natonal Forest, Colfax Quad. 1889 Comment
  UC1713509  Castilleja miniata Katharine Brandegee Placer Cisco Comment
  UC198549  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UCD158882  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 s.n. Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD43177  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 546 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS86492  Castilleja nana L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6574 Placer ca 5 mi se Donner Lake (Sherman Chickering's Soda Springs holdings, Chickering houses); Sherman Chickering's Soda Springs 2377 Comment
  UCD162555  Castilleja pilosa Steve Matson 1998-6-14 242 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 300 meters north of Highway 267, west of vernal pools in old gravel depression. 1780 Comment
  CHSC40980  Castilleja pruinosa J. D. Jokerst 1984-6-23 2068 Placer Canyon of the Middle Fork Feather River in vicinity of road to the Placer County Power Agency powerhouse. 1158 Comment
  UCR172648  Castilleja pruinosa George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10199 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
  UCR194930  Castilleja subinclusa subsp. subinclusa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12013 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 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
  CAS-BOT-BC47862  Ceanothus cordulatus John Thomas Howell 1925-6-14 1152 Placer Lake Tahoe - Emerald Bay Camp 1889 Comment
  CAS-BOT-BC47891  Ceanothus cordulatus F. Almeda 1993-7-24 7273 Placer About 15 miles SE of Interstae Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  POM303018  Ceanothus cordulatus L. S. Rose 1944-7-11 44065 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  SACT002890  Ceanothus cordulatus James Grove 1977-7-15 Placer 2000.0 Comment
  UCD143726  Ceanothus cordulatus F. Felix, E. Krimmel 2013-5-26 48 -A Placer North Fork/Chickering American River Reserve. 0.1 mile south of where Onion Creek crosses Cedars Road. Comment
  UCD150852  Ceanothus cordulatus James A. Neilson Jr. 1971-6-30 2133 Placer Tahoe Basin, 1 mile south of Tahoe City on Chapel Lane. 1914 Comment
  UCD22205  Ceanothus cordulatus Rex Palmer 1979-5-26 N 14 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD22208  Ceanothus cordulatus Rex Palmer 1979-5-26 N 40 Placer Headwaters basin area of the North Fork of the American River 1889 Comment
  UCR242330  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16660 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SACT002902  Ceanothus cuneatus Michael Baad 1983-5-14 Placer 3.0 miles west of Forest Hill on Auburn-Forest Hill Divide Road Comment
  SACT002903  Ceanothus cuneatus Michael Baad 1976-6-16 Placer Collected on trailhead along road between Robinson Flat Soda Springs. Comment
  SACT002904  Ceanothus cuneatus Michael Baad 1977-4-13 Placer 0.2 mile north of Highway I80 on Placer Hills Road to Meadow Vista, ecotone between ponderosa pine forest and chaparral 502.92 Comment
  SEINET5339255  Ceanothus cuneatus P. A. Lehenbauer 1931-4-22 1548 Placer Above Carnelian Bay, Lake Tahoe Comment
  SEINET5339262  Ceanothus cuneatus H. Holbo 1961-3-31 s.n. Placer N. fork American River 610 Comment
  SEINET5339275  Ceanothus cuneatus J. Ridley 1959-3-29 1 Placer 3 mi south of Auburn on Hwy 49 442 Comment
  UC1281452  Ceanothus cuneatus var. cuneatus H. E. McMinn and G. Townsley 5425 Placer e Alto (along old road to Hwy 40) 1188 Comment
  UCD22201  Ceanothus fresnensis Rex Palmer 1979-5-26 N 19 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD22203  Ceanothus fresnensis Rex Palmer 1979-6-9 N 143 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC50752  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  SBBG51061  Ceanothus integerrimus N. R. Zabriskie 1973-4-7 667 Placer Emigrant Gap,off Interstate 80 W of Donner Pass Comment
  UC870586  Ceanothus integerrimus Marcus E. Jones 1882-4-28 2656 Placer Emmigrant Gap Comment
  UCD21954  Ceanothus integerrimus Brian Vanden Heuvel 2002-7-3 159 Placer Tahoe National Forest. 1.2 road miles WSW of Foresthill on Forest Service Road 96. Large population on north side of road on steep hillside. Comment
  UCD22197  Ceanothus integerrimus Beth Lowe Corbin 1982-8-2 160 Placer Onion Creek Campground. S facing slope. Infrequent. Mostly sun. Opening in mixed conifer forest on fine, sandy, granitic soil. Deciduous shrub about 2 ft tall, with white flowers. 1841 Comment
  UCR222893  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15900 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill 308 Comment
  CHSC59592  Ceanothus integerrimus var. californicus Gary H. Bolton 1975-5-24 40 Placer Auburn-Foresthill Road and Spring Garden Road intersection. Comment
  CAS-BOT-BC50723  Ceanothus integerrimus var. macrothyrsus Peter H. Raven 1950-6-26 2417 Placer Baxter's 1219 Comment
  CDA14273  Ceanothus integerrimus var. macrothyrsus F. G. Andrews, T. Eichlin 1998-6-12 s.n. Placer Sierra Nevada; 6.5 mi. NE of Foresthill on Mosquito Ridge. 1304 Comment
  CAS-BOT-BC51157  Ceanothus lemmonii H. L. Mason 1926-5-29 3285 Placer Donner Pass Road near Alta Comment
  UC870591  Ceanothus lemmonii C. L. Hitchcock 1940-5-7 6327 Placer ca 1 mi w Baxter Comment
  UCR253215  Ceanothus parvifolius George K. Helmkamp, Amy Barnes 2014-4-23 22824 Placer Sierra Nevada Mountains Foothills, Foresthill Road, 0.6 mile northeast of Grizzly Bear House, c. 2 miles NE of Lake Clementine Rd, 0.57 mi. SW of Upper Lake Clementine Rd 526 Comment
  CAS-BOT-BC63357  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63397  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer Ca. 1 mi. w. of Baxter. Comment
  UC1071286  Ceanothus prostratus J. E. Sowder 1933-4-28 59 Placer 3 mi sw Gold Run; Colfax Quad. Comment
  UC634807  Ceanothus prostratus Herbert L. Mason 1926-5-29 3289 Placer Donner Pass Road 3 1/10 mi e Crystal Springs; Donner Pass Road, e of Crystal Springs 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
  UCD15602  Ceanothus prostratus Lisa Montany 1985-5-18 17 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  UCD168144  Ceanothus prostratus William Williams 1990-8-19 s.n. Placer Norden. Soda Springs Ski Hill south side of crest. Plants from same location as those collected by Wm Williams 15 June 1986 (DAV180622). Comment
  RSA398561  Ceanothus tomentosus Fay A. MacFadden 1934-3-31 12408 Placer Hillsides between Colfax and Monte Vista Inn Comment
  UC18418  Ceanothus tomentosus H. N. Bolander 1865-4-13 4558 Placer Forest Hills Comment
  UC634574  Ceanothus tomentosus Herbert L. Mason 1926-5-29 3286 Placer Donner Pass Road near Alta; Donner Pass Road near Alta Comment
  RSA121652  Ceanothus velutinus N. H. French 1934-6-19 428 Placer 1/4 mile W of Devil's Peak. 2104 Comment
  RSA121653  Ceanothus velutinus H. S. Yates 1934-6-30 3958 Placer Carnelian Bay, Truckee, Placer. 1921 Comment
  UCD150853  Ceanothus velutinus James A. Neilson Jr. 1970-8-5 1746 Placer Tahoe Basin. Yard in Tahoe City. 1901 Comment
  UCR233370  Centaurea maculosa George K. Helmkamp, E. A. Helmkamp 2011-8-26 18159 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
  HSC104176  Centaurea solstitialis G. K. Helmkamp, E. A. Helmkamp 2012-10-13 20020 Placer Sacramento Valley: Granite Bay, Folsom Lake; Park Rd, 1.8 mi. N or the east end of Douglas Blvd. 146 Comment
  SEINET4560835  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-1 17023 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's road, 0.5 mile north of Forest Hill road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UC1980588  Centaurium tenuiflorum C. Rose Broome 1978-8-2 2308 Placer 2.1 mi S of Old Auburn on Auburn-Folsom Highway. Comment
  SEINET11170792  Cephalanthus occidentalis E. Rasmussen 1971-10-2 11 Placer Ground near bank of N. Fork American River 305 Comment
  JEPS127490  Cerastium fontanum subsp. vulgare Steve Matson 2002-7-9 477 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, along east Martis Creek. Comment
  RSA0005546  Cerasus kelloggiana Marcus E. Jones 1882-6-28 2693 Placer Emigrant Gap. 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
  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
  SEINET1783833  Chaenactis rubricaulis H. A. Walker 1910-6-22 2170 Placer Deer Park, in the Sierra Nevada. 1970 Comment
  CAS-BOT-BC141721  Chamaebatia foliolosa Doris K. Kildale 1928-8-23 6643 Placer Near Colfax Comment
  CAS-BOT-BC141727  Chamaebatia foliolosa C. Hart Merriam 1911-11-5 s.n. Placer Colfax Comment
  CAS-BOT-BC141729  Chamaebatia foliolosa Ella Dales Cantelow 1937-7-11 4295 Placer Alta Comment
  CDA19578  Chamaebatia foliolosa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 252 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
  SBBG83434  Chamaebatia foliolosa N. Griffin 1975-5-24 18 Placer Spring Garden Rd and Auburn-Foresthill Rd intersection, 5 mi W of Foresthill 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
  UCD16126  Chamaebatia foliolosa Gregory Brickner 1984-5-12 27 Placer California. Placer County: off Forest Hill Rd. 5 mi E of Auburn. 438 Comment
  POM90077  Chamaebatia foliolosa I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UCR233401  Chamaesaracha nana George K. Helmkamp, E. A. Helmkamp 2011-8-26 18185 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
  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
  UC128212  Chamaesyce serpyllifolia Miss Harriet A. Walker 1908-7-25 1390 Placer Cisco 1810 Comment
  UC567054  Chamaesyce serpyllifolia B. Bolt 1934-7-22 160 Placer Chicken Hawk Camp 1280 Comment
  OBI20165  Chamerion angustifolium David J. Keil 1978-7-23 12937 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCD44541  Chamerion angustifolium subsp. circumvagum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1907 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC70191  Cheilanthes gracillima John H. Thomas; Hazelle A. Thomas 1956-7-21 6224 Placer Sierra Nevada, Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 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
  UCR240949  Chenopodium George K. Helmkamp, E. A. Helmkamp 2012-9-25 19901 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  UC73896  Chenopodium pumilio J. Burtt Davy Jun 25 1897-Jun 30 1897 3176 Placer Truckee River Basin Comment
  UCD75691  Chimaphila menziesii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5140 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
  UC1120956  Chimaphila umbellata N. French 1934-6-15 409 Placer Scott Hill Tahoe Nat'l Forest, Colfax Quad., Scott Hill Comment
  SEINET7220243  Chimaphila umbellata P. Lehenbauer 1929-8-15 2579 Placer Carnelian Bay [North shore of Lake Tahoe] 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
  RSA782551  Chlorogalum pomeridianum George K. Helmkamp, Amy Barnes 2009-7-12 15172 Placer along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  UCD132717  Chondrilla juncea Ramona Robison 2012-6-21 s.n. Placer Auburn State Recreation Area, campground area and adjacent to Lake Clementine. Occurs on access roads leading to the Lake as well as Foresthill Road and Highway 49. 219 Comment
  UCD19109  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
  UCR109650  Chondrilla juncea T. C. Fuller 1967-5-3 15764 Placer Sierra Nevada Foothills, corner of overpass of Interstate 80, Penryn Comment
  SEINET13331380 Image available Chondrilla juncea P. C. Martinelli, A. L. Rivers, R. Uriarte 1965-10-29 s.n. Placer Horseshoe Bar Road 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-BC36355  Chrysolepis sempervirens Frances Price 1919-1-1 s.n. Placer Lake Tahoe Comment
  CAS-BOT-BC36356  Chrysolepis sempervirens R. S. Woglum 1934-8-1 s.n. Placer 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
  SEINET7450580 Image available Chrysopsis breweri J. Day, C Jacobs, J Sulman 2004-9-2 NV 030 -030 Placer Forest Road 3 at Barker Pass At Ellis Peak Trailhead 2382 Comment
  CAS-BOT-BC100782  Chrysothamnus viscidiflorus subsp. viscidiflorus C. F. Sonne 1884-9-14 143 Placer On road to Lake Tahoe near TollHouse Comment
  UCD130486  Cichorium intybus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12949 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR255865  Circaea alpina subsp. pacifica Greg de Nevers 1995-8-20 10768 Placer Sierra Nevada Mountains, Lake Tahoe 2165 Comment
  UC19993  Circaea alpina subsp. pacifica Mrs. M. M. Hardy 1893-1 Placer Comment
  UC30772  Cirsium andersonii Miss M. E. Parsons 1896-8-1 Placer Deer Park Inn, Lake Tahoe Comment
  UCD107267  Cirsium andersonii Chuck Hughes 2010-7-13 234 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 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
  UCR146923  Cirsium arvense Beecher Crampton 1961-9-27 6019 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  CAS-BOT-BC438646  Cistanthe C. F. Sonne 1886-8-1 s.n. Placer Sierra Nevada Mountains. Mts above Coldstream 2590 Comment
  CAS-BOT-BC439025  Cistanthe monosperma Alice Eastwood 1912-6-15 s.n. Placer Truckee, Lake Tahoe Region Comment
  UC634698  Clarkia biloba H. L. Mason 1926-5-28 3270 Placer 5 mi above Auburn 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
  CHSC98760  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-7 1248 Placer North of Colfax, east side of Hwy I-80, north of Long Ravine railroad trestle. Plants along Carpenter Road. 658 Comment
  CHSC98934  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-23 1249 Placer North of Colfax, west side of Hwy I-80, north and south of Long Ravine railroad. Along Bad Rock road. Plants on roadsides and pullouts. 670 Comment
  LA205993  Clarkia biloba subsp. brandegeeae H. Lewis; M. Lewis 1947-6-10 385 Placer US Highway 40, 1.8 mi. S of S turnoff of Colfax Comment
  UCD147101  Clarkia biloba subsp. brandegeeae Chuck Hughes 2013-6-6 385 Placer Near margin of Camp Far West Reservoir. 6 Comment
  UCD72508  Clarkia biloba subsp. brandegeeae Ellen Dean 2006-6-14 3145 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
  UCD104945  Clarkia purpurea subsp. quadrivulnera K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, about 10 miles E of Auburn, in the Sierra foothills. 500 Comment
  UC1122445  Clarkia rhomboidea B. Bolt 1934-7-4 76 Placer Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UC147597  Clarkia rhomboidea Miss Harriet A. Walker 1908-6-24 1271 Placer Blue Canyon 1432 Comment
  POM250666  Clarkia rhomboidea Lincoln Constance 1938-6-8 2287 Placer 3 miles north of Nevada City, Sierra Nevada foothills 762 Comment
  UCR174012  Clarkia unguiculata George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10710 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
  UC930749  Clarkia williamsonii Marcus E. Jones, A. M. 1882-7-3 3341 Placer Colfax Comment
  UCD150639  Clarkia xantiana Barbara Rodeheaver 1973-5-27 87 Placer Two miles E intersection Hwy. 49 on Foresthill Rd. 457 Comment
  UC1949337  Claytonia exigua Barbara Ertter with David Thompson 1989-4-8 8174 Placer Iowa Creek Rd ca 2 mi from I-80 near entrance to Auburn State Recreation Area, at creek crossing; SW-facing slope Comment
  CAS-BOT-BC451728  Claytonia lanceolata Dr. A. Kellogg 1870-6-23 s.n. Placer Cisco Comment
  CAS-BOT-BC229130  Claytonia megarhiza Wm. R. Hewlett 1959-8-1 s.n. Placer Lyon Peak 2651 Comment
  UC942754  Claytonia parviflora subsp. grandiflora Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4013 Placer s of Auburn (near bridge on Route 49); North Fork American River 213 Comment
  UCR253533  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Amy Barnes 2014-4-23 22797 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
  CDA37170  Claytonia perfoliata CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  POM247247  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 miles SE of Loomis. 152 Comment
  UC1540469  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer 6 1/2 mi. s.e. Loomis (between Folsom and Auburn) 152 Comment
  UCD95617  Clematis lasiantha M. H. Mills 1996-4-12 139 Placer Placer County, 5830 Walden Lane, Loomis. 180 Comment
  UC885576  Collinsia parviflora A. A. Heller 1917-6-17 12715 Placer below Cisco (near Yuba River) 1676 Comment
  RSA785458  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCD123537  Collinsia tinctoria G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10713 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 487 Comment
  UCR208611  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2009-5-7 14617 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCR219647  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  JEPS4619  Collinsia tinctoria Rimo Bacigalupi 1952-7-20 3873 Placer 6 mi e Iowa Hill (just n of Shirttail Public Camp, near headwaters of Shirttail Creek); Tahoe National Forest 1127 Comment
  UC373268  Collinsia torreyi var. torreyi Marcus E. Jones 1882-6-18 3277 Placer Emigrant Gap Comment
  UC148965  Collinsia torreyi var. wrightii H. M. Hall 1910-6-28 8724 Placer Sierra Nevada Mountains, Head of Fordyce Creek Fordyce Creek; Sierra Nevada Mountains, Head of Fordyce Creek 2103 Comment
  UCD21866  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 211 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21870  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 265 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC73059  Collomia grandiflora L. P. Janeway 1998-8-6 5973 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SBBG8974  Collomia grandiflora E. R. Blakley 1960-9-2 804 Placer mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  SEINET2445247  Collomia grandiflora Beth L. Corbin 1982-8-4 246 Placer 1 mile NE of Onion Creek campground.; 0 1951 Comment
  UC879748  Collomia grandiflora Lewis S. Rose 1937-7-29 37611 Placer meadows Tahoe Vista 1905 Comment
  UCD21979  Collomia grandiflora Beth Lowe Corbin 1982-8-4 246 Placer 1 mile NE of Onion Creek campground. 1950 Comment
  RSA0039072  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCD41265  Collomia heterophylla Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1722 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  RSA262365  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer ca. 100 yards east of junction of Spring Garden Road with Auburn-Foresthill Road (or 3.7 miles west of Foresthill) 762 Comment
  SEINET2445719  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer Ca. 100 yards E of jct of Spring Garden Road with Auburn-Foresthill Road. (or 3.7 miles W of Foresthill). 762 Comment
  UCD123128  Cordylanthus tenuis subsp. tenuis P. Rodriguez-Rojo; D. Sanchez-Mata 1997-8-8 s.n. Placer Tahoe National Forest. Todd Valley-Forest Hill. Forest Hill Rd. 850 Comment
  UCR231828  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16770 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  UC33148  Coreopsis stillmanii W. H. Brewer 1865-4-10 4520 Placer Auburn Comment
  UCD80050  Coreopsis stillmanii CNPS SN Foothill Team 2005-3-12 Survey Placer Auburn State Recreation Area. Comment
  RSA634241  Cornus californica Robert M. Rhode, Barbara Nemeth 1997-6-26 177 Placer Lake Tahoe, Blackwood Creek Canyon (c. 4 miles south of Tahoe City). Near Blackwood Creek Canyon Road, about 0.3 mile west of turnoff from Highway 89. 1921 Comment
  CDA19553  Cornus nuttallii M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 227 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
  HSC97884  Cornus nuttallii Barbara Babbe 1977-5-30 33 Placer 19.3 mi. E of Forest Hill on Mosquito Ridge Rd. Comment
  UCD15007  Cornus nuttallii Jonathan M. Irvine 1977-5-30 701 Placer 14.4 miles east of Forest Hills, along Mosquito Ridge Road; 1011 Comment
  OBI39811  Cornus sericea subsp. occidentalis Joy H. Nishida 1985-7-10 773 Placer Homewood 1829 Comment
  UCD22327  Cornus sericea subsp. sericea Beth Lowe Corbin 1982-8-6 262 Placer 1/8 mile W of Onion Creek Campground. 1844 Comment
  UCD150476  Cornus sessilis James A. Neilson Jr. 1970-7-9 1493 Placer Tahoe Basin, near mouth of Ward Creek. 1905 Comment
  UCD33845  Cornus sessilis Beecher Crampton 1973-10-2 9020 Placer Placer County, Baxter along Canyon Creek. 1219 Comment
  POM148858  Corydalis caseana C. F. Sonne 1895-07 s.n. Placer Ravine on Truckee River, Sierra Nevada Comment
  SEINET12102922  Corydalis caseana C. F. Sonne 1885-1 12 Placer Trucker River Comment
  CHSC40074  Corydalis caseana subsp. caseana C. F. Sonne 1895-7-1 Placer Sierra Nevada Mountains. Ravine on Truckee River. Comment
  UC120135  Corydalis caseana subsp. caseana C. F. Sonne 1895-7-27 Placer ravines on Truckee R. Truckee R. Comment
  SEINET9353658  Crepis acuminata Unknown 2001-7-15 15939 Placer Placer Comment
  JEPS86491  Crepis modocensis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6572 Placer ca 5 mi e Donner Lake (e of Tinker Knob); Sherman Chickering's Soda Springs holdings 2621 Comment
  UC31318 Image available Crepis occidentalis Kellogg 1870-6-18 Placer Camp Yuba Sierra Nevada, Cisco; Camp Yuba, Cisco, Placer Co., Sierra Nevada Mts. Comment
  JEPS111209  Cryptantha affinis Steve Matson 2005-7-4 1365 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
  UC1178527  Cryptantha affinis Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 Comment
  UC857053  Cryptantha ambigua unknown 1286 Placer Summit Station 2121 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
  UCD75940  Cryptantha torreyana Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5179 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
  SEINET6429202  Cryptogramma acrostichoides P. B. Kennedy 1901-8-21 426 Placer By river Talbot's Home Camp, 7 miles from French Meadows. Comment
  SEINET7828098  Cuscuta californica L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  UCR209746  Cuscuta californica var. californica George K. Helmkamp, E. A. Helmkamp 2009-8-12 15441 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
  UCD21634  Cymopterus terebinthinus Rex Palmer 1979-6-20 N 348 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD60083  Cynodon dactylon Beecher Crampton 1957-5-7 3996 Placer 2 miles northeast of Lincoln, Thermalands Road. Comment
  SACT000856  Cynosurus echinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  UCR262440  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2011-12-9 18502 Placer Sacramento Valley, Sunset Blvd. West, 5.8 miles west of its junction with Fiddyment Road 29 Comment
  UC399282  Cystopteris fragilis Mrs. Carlotta C. Hall June 1910 Placer Cisco Comment
  RSA21281  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  CAS-BOT-BC189859  Danthonia californica Beecher Crampton 1956-7-17 3731 Placer 1.3 mile north of Blue Canyon. 1524 Comment
  CHSC74155  Danthonia californica var. americana Susi Urie 1998-8-17 98 -047 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. 2097 Comment
  CHSC74336  Danthonia californica var. americana Susi Urie 1998-9-4 98 -250 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CDA13677  Danthonia unispicata G. F. Hrusa, J. Glazner 1997-8-3 14037 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Clumping perennial in sites seasonally moist. Meadow edges. Comment
  UCD61351  Danthonia unispicata Beecher Crampton 1964-7-21 7116 Placer 1/2 mile WNW of Cisco Grove, U.S. Hwy. 40. 1706 Comment
  UC197475  Darmera peltata C. F. Sonne Jun 1897 Placer near Towles' (Deer Creek); Sierra Nevada Mountains Comment
  CAS-BOT-BC173277  Delphinium Saichi Kawahara 1969-5-24 876 Placer East of cabin near mine shaft, Mel Henderson Ranch, east bank of Indian Creek 1002 Comment
  SCFS1228  Delphinium E. Krimmel 2014-6-26 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  CHSC67691  Delphinium depauperatum James D. Jokerst 1986-7-13 2738 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap' on trail. Comment
  UC188660  Delphinium glaucum C. F. Sonne 1886-8-15 a Placer canyon above Kneeland's Mill Comment
  UCD44480  Delphinium glaucum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1846 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD95711  Delphinium glaucum Murray Fowler 1961-8-8 s.n. Placer French Meadow, ca. 14 miles west of Tahoe Pines. 2133 Comment
  UC118698  Delphinium glaucum C. F. Sonne 1896-8-16 Placer canyon near Truckee (along stream) Comment
  JEPS23399  Delphinium gracilentum Leland S. Smith 1925-6-3 1619 Placer Yankee Jims, on Forest Hill divide, about 2 miles due west of Forest Hill; Tahoe National Forest 1584 Comment
  UC1125985  Delphinium hansenii subsp. hansenii C. R. Clar 1933-6-21 35 Placer N Fork Dry Creek 457 Comment
  CAS-BOT-BC116088  Delphinium nuttallianum A. A. Heller 1919-7-26 13311 Placer Summit meadows west of Donner Pass. 2072 Comment
  CAS-BOT-BC116471  Delphinium nuttallianum Miss M. Alice King 1923-6-1 s.n. Placer near Summit Comment
  UCD75695  Delphinium nuttallianum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5144 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
  UCR191077  Delphinium nuttallianum George K. Helmkamp, E. A. Helmkamp 2007-5-23 12060 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  UCD14362  Dendromecon rigida Maura Cullinare 1983-5-29 30 Placer Placer Co.; from Interstate 80 take Forest Hill off ramp east to Mosquito Ridge Road; 914 Comment
  UCR250167  Dendromecon rigida George K. Helmkamp, Mary Alice Barnes 2013-5-3 20483 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
  UCD42889  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 257 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD35461  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer Placer County; 2 miles north of Lincoln. Comment
  UCD43252  Deschampsia danthonioides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 621 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  OBI22306  Deschampsia elongata Robert F. Hoover 1967-9-7 10851 Placer Antone Meadow Comment
  RSA35129  Deschampsia elongata L. S. Rose 1944-7-26 44271 Placer Chambers Lodge, Lake Tahoe 1921 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
  SACT000948  Deschampsia elongata D. Meyer 1984-7-8 Placer At Lakeside. 1758.0 Comment
  SACT000951  Deschampsia elongata D. Meyer 1984-7-29 Placer Road south of reservoir, moist shady north-facing slope. 1612.0 Comment
  UCR206719  Deschampsia elongata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15206 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  SACT000936  Deschampsia elongata Michael Baad 1983-7-15 Placer Southeast quarter of Sec 35 Comment
  UC128272  Descurainia incana Miss Harriet A. Walker 1908-7-25 1425 Placer Cisco 1798 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
  UC1126525  Dicentra formosa N. French 1934-5-31 385 Placer 0.5 mi e Texas Hill; Tahoe National Forest, Colfax Quad. 1584 Comment
  UC854936  Dicentra formosa A. A. Heller 1917-6-19 12732 Placer Emigrant Gap 1615 Comment
  UCR235422  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18955 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  SEINET5339622  Dicentra formosa R. Halliday, W. Roderick 1967-6-10 s.n. Placer North of emigrant Gap. 1372 Comment
  UCD13326  Dicentra formosa Kristy S. Howard 1989-6-3 200 Placer Highway 174. 609 Comment
  CAS-BOT-BC402452  Dicentra formosa subsp. formosa A. A. Heller 1917-6-19 12732 Placer Emigrant Gap 1615 Comment
  SEINET3101750 Image available Dicentra formosa subsp. formosa Marcus E. Jones May? (May has been crossed out and replaced handwriting could not be interpreted) 3302 Placer Emigrant Gap. Comment
  SEINET238196 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1952-11-9 917 Placer 6 miles east of Auburn about 15 miles south of Meadow Vista. 457 Comment
  UC1585960  Dichelostemma capitatum Barbara Ertter with David Thompson 1989-4-8 8150 Placer near Auburn State Recreation Area entrance (Iowa Creek Road, ca 2 mi from I-80) 518 Comment
  SEINET8472301  Dichelostemma capitatum subsp. capitatum C. Bell 1962-3-17 34 Placer 2 miles E of Auburn, bank of North Fork of American River. 244 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
  SEINET8472306  Dichelostemma capitatum subsp. capitatum D. Buck 1959-3-27 6 Placer Along Hwy 40 just N of Colfax. 488 Comment
  SEINET8472323  Dichelostemma capitatum subsp. capitatum C. Fitz 1959-4-6 s.n. Placer Newcastle, near Hwy 40. 396 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
  SEINET8472367  Dichelostemma capitatum subsp. capitatum Killinger 1962-3-17 s.n. Placer North Fork American River, 3 miles E of Auburn. 366 Comment
  SEINET8475422  Dichelostemma capitatum subsp. capitatum P. A. Lehenbauer 1937-4-11 s.n. Placer Auburn. Comment
  POM109908  Dichelostemma multiflorum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  SBBG57626  Dichelostemma multiflorum M. N. Ackley -Jun-1925 634 Placer Gold Run 983 Comment
  SEINET176953 Image available Dichelostemma multiflorum Marcus E. Jones 1882-6-30 Placer Emigrant Gap Comment
  UC3342  Dichelostemma volubile C. F. Sonne 1891-5-17 12 Placer Auburn to Newcastle; Sierra Nevada Mountains Comment
  CAS-BOT-BC150478  Diplacus grandiflorus Marcus E. Jones 1882-6-28 3288 Placer Emigrant Gap Comment
  SJSU4077  Diplacus grandiflorus C. W. Sharsmith 1965-6-12 7398 Placer on divide between N Fork & Middle Fork American R c. 8 mi E of Michigan Bluff 1219 Comment
  CAS-BOT-BC153636  Diplacus jepsonii W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  CAS-BOT-BC153697  Diplacus mephiticus Mrs. Marian Campbell 1920-6-26 s.n. Placer Summit Comment
  SD237620  Diplacus torreyi G. K. Helmkamp, E. A. Helmkamp 2009-7-16 15196 Placer Sierra Nevada Mountains: Foresthill Road, 20.3 miles northeast of the city of Foresthill (Duncan Peak 7.5'Q) 1704 Comment
  SEINET14196701  Diplacus torreyi P. A. Lehenbauer, R. E. L. 1923-6-6 1106 Placer Hell Hole. Comment
  CAS-BOT-BC151680  Diplacus torreyi Alice Wills 1899-6-1 s.n. Placer Unspecified Comment
  SACT000996  Distichlis spicata D. Meyer 1984-8-17 Placer 4.8 km west of Blue Canyon exit. 1291.0 Comment
  CAS-BOT-BC208628  Distichlis spicata Beecher Crampton 1957-7-17 3721 Placer Along the railroad, Blue Canyon. 1432 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
  UCD53913  Dittrichia graveolens A. M. Shapiro 2004-11-1 s.n. Placer Rocklin, Taylor Rd. at Stonehouse Court. Comment
  UCD78101  Dittrichia graveolens Robert E. Preston 2005-11-9 2368 Placer Between Roseville and Lincoln, at jct Sunset Blvd and Placer Corp Dr. 41 Comment
  RSA27893  Dodecatheon hansenii C. L. Hitchcock 1940-5-7 6342 Placer 1 mile west of Baxter. Comment
  UCD15695  Dodecatheon hendersonii Sook Hong 1989-5-20 3 Placer Just outside of Placer County (?). 670 Comment
  UCR198045  Dodecatheon hendersonii Phyllis Adams 1982-4-20 10 Placer American River Canyon near the town of Auburn 396 Comment
  UC914245  Dodecatheon hendersonii Verne Grant, Alva Grant 1946-3-10 7683 Placer on Lincoln Road e Loomis (gentle n slope); e of Loomis Comment
  JEPS126369  Downingia montana Steve Matson 2003-6-29 816 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267; 200 yards west of Martis Creek. Comment
  UCD55125  Downingia ornatissima Lynn Gould 1962-4-17 54 Placer 6 miles west of Roseville on P. F. E. Road. 25 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
  JEPS108453  Downingia ornatissima var. ornatissima Lisa Schultheis 1995-5-22 168 -95 Placer MacClelland Air Force Base Lincoln antennae site. N of Sacramento. N of Moore Rd. and W of Dowd Rd. Comment
  JEPS43776  Downingia ornatissima var. ornatissima Lynn Gould 1962-4-17 54 Placer 6 mi w Roseville (on P.F.E. Road) Comment
  UCD114911  Draba albertina Robert E. Preston 1984-6-14 461 Placer Ca. 3.2 km W of Sunnyside. Comment
  CAS-BOT-BC41935  Draba reptans Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 29 2017
  UCR206725  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2009-7-16 15192 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCD43200  Drymocallis glandulosa var. glandulosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 569 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC527341  Drymocallis glandulosa var. reflexa Alice Eastwood 1909-1-1 116 Placer Sunnyside Comment
  SD257951  Dudleya cymosa Russel Hopper 1975-5-24 54 Placer 1.0 mile east of junction of State Highways 49 and 195 on Highway 49. 669 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
  SACT001040  Echinochloa crus-galli Josephine Van Ess 1976-8-16 Placer Moist rocky bank. 206.0 Comment
  SACT001029  Echinochloa crus-galli D. Meyer 1984-8-19 Placer Just south of subway. 176.0 Comment
  SACT001036  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-8-4 Placer Collected .25 mile north of route. Pear orchard weed. 365.8 Comment
  CAS-BOT-BC113434  Eleocharis bella Marcus E. Jones 1882-6-29 2905 Placer Emigrant Gap Comment
  CHSC74017  Eleocharis bella Susi Urie 1998-9-1 98 -180 Placer Lake Tahoe Basin Management Unit. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  UC838805  Eleocharis bella Marcus E. Jones 1882-6-20 2905 Placer Emigrant Gap Comment
  UCD44712  Eleocharis macrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2078 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC113160  Eleocharis palustris Stanley Galen [S. Galen] Smith 1949-8-21 1508 Placer Marsh between Sandy Beach and Agate Bay, north end of Lake Tahoe Comment
  CHSC74723  Eleocharis palustris Susi Urie 1998-8-26 98 -110 Placer Lake Tahoe Basin Management Unit. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD75743  Elymus elymoides Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5207 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
  SEINET4134789  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax.; 0 762 Comment
  UC790925  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 mi w Colfax 762 Comment
  SACT001088  Elymus glaucus D. Meyer 1984-6-17 Placer 667.0 Comment
  SACT001102  Elymus glaucus Michael Baad 1976-6-17 Placer Royal Gorge-Wobena Creek to Wildcat Canyon. Collected in flood plain. Comment
  SACT001104  Elymus glaucus Michael Baad 1976-6-3 Placer Auburn-Foresthill Road. 609.0 Comment
  SACT001141  Elymus glaucus D. Meyer 1984-6-23 Placer 0.96 km from I80 Frontage Road, shady hillside with oak and douglas fir. 978.0 Comment
  UCD37043  Elymus glaucus Beecher Crampton 1956-7-17 3724 Placer Placer County, Blue Canyon. 1432 Comment
  UCD62277  Elymus glaucus B. Bolt. 1934-7-3 74 Placer Top of Sawtooth Ridge, Colfax. 1219 Comment
  UCD75969  Elymus glaucus Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5254 Placer Donner State Park, 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. 2099 Comment
  CAS-BOT-BC206792  Elymus glaucus subsp. glaucus Kate E. Phelps 1937-5-25 s.n. Placer Applegate Comment
  CAS-BOT-BC206795  Elymus glaucus subsp. glaucus Lewis S. Rose 1944-7-12 44091 Placer Chambers Lodge, Lake Tahoe 1920 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
  SACT001080  Elymus glaucus subsp. jepsonii D. Meyer 1983-7-24 Placer Moist, shady roadside. 1036.32 Comment
  UCD62418  Elymus multisetus Beecher Crampton 1955-7-13 3004 Placer Along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCD36671  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2908 Placer Placer County, Yankee Jims. 807 Comment
  UCD62602  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1964-7-21 7128 Placer Blue Canyon. 1430 Comment
  SEINET7293676 Image available Elymus trachycaulus subsp. subsecundus Beecher Crampton 1955-1 2895 Placer Slopes of Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  CHSC74160  Elymus trachycaulus subsp. trachycaulus Susi Urie 1998-8-25 98 -100 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 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
  UCD43095  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 463 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CDA18049  Elytrigia intermedia K. Connelly 1999-8-2 PDR 1223707 A Placer Along side of Rd 8, off of Hwy 89, Truckee. 0 Comment
  UCD150706  Epilobium brachycarpum James A. Neilson Jr. 1971-7-12 2339 Placer Tahoe Basin, Homewood. 1914 Comment
  RSA121167  Epilobium canum subsp. latifolium B. Bolt 1934-8-13 169 Placer East slope of Red Star ridge 1860 Comment
  UC874274  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer base of a cliff n Summit hotel 2164 Comment
  UCD75735  Epilobium canum subsp. latifolium Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5197 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
  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
  UCD44728  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2094 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD150695  Epilobium glaberrimum James A. Neilson Jr. 1970-7-18 1562 Placer Tahoe Basin, 2 mi northeast of Tahoe City. 1920 Comment
  UC422954  Epilobium glaberrimum subsp. glaberrimum Miss Helen D. Geis Jun 1 1912-Jul 1 1912 130 a Placer Deer Park Comment
  UCR231844  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16794 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
  CHSC74108  Epilobium hallianum Susi Urie 1998-8-11 98 -002 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. Meadow stringer. 2097 Comment
  POM271516  Epilobium hallianum Lyman Benson 1942-7-2 11249 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD44434  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1800 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC91617  Epilobium minutum M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 213 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. Serpentine flats adjacent to road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  POM46216  Epilobium minutum Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  CDA16810  Epilobium obcordatum G. F. Hrusa, J. Glazner 2001-7-15 15949 Placer Sierra Nevada; Mats on rocky/gravelly talus slopes, subalpine zone near summit of Crows Nest Pk. immed. W of Sugarbowl. Common here, flrs magenta. 2377 Comment
  UCD22090  Epilobium obcordatum Rex Palmer 1979-7-25 N 678 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET6644386 Image available Epilobium oregonense A. A. Heller 1919-1 13302 a Placer near Yuba River below Cisco 1676 Comment
  JEPS59475  Epilobium oregonense Ezra Brainerd and Viola B. Baird 1915-7-22 217 Placer bog opposite Waltons (by river); Sierra Nevada Mts., Truckee River 1905 Comment
  UCR257629  Epilobium pallidum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19535 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
  CDA40869  Epilobium torreyi D. Joley 1995-6-12 Placer Dry Creek Road, I-80 east of Auburn near Applegate. 0 Comment
  CHSC72866  Equisetum arvense L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5766 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UC1729971  Equisetum arvense L. P. Janeway, Eric Schroder 1998-9-16 6334 Placer creek about 2.2 mi sw of Lake Tahoe (about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  UCD22071  Equisetum arvense Rex Palmer 1979-6-8 N 120 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43967  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1333 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR171400  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9965 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  MACF015287  Equisetum hyemale subsp. affine F. A. MacFadden 1933-7-11 0975 Placer Canyon Creek, Monte Vista dun. Placer Co., California 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
  SBBG8946  Equisetum laevigatum E. R. Blakley 1960-9-3 3822 Placer Kings Beach, Lake Tahoe 1905 Comment
  UCD169281  Eragrostis Lowell Ahart 2007-11-13 14599 Placer At the north edge of the town of Sheridan. On the west side of Camp Far West Road, east side of a shallow ditch. 35 Comment
  UCD64183  Eragrostis pectinacea Beecher Crampton 1967-7-26 8162 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80, junction of Meadow Vista Road. 487 Comment
  CAS-BOT-BC284068  Eragrostis pectinacea var. pectinacea Catherine Best 1984-8-11 1035 Placer South campground, Camp Far West Reservoir, Sierra Nevada 91 Comment
  CHSC97759  Eragrostis pilosa var. pilosa Lowell Ahart 2007-11-13 14601 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 miles (air) northeast of Sheridan. 73 Comment
  SCFS1225  Eremogone E. Krimmel 2013-6-2 Placer North Fork American River, top of Foresthill Road. Comment
  CAS-BOT-BC174096  Eremogone aculeata Betty J. Jorgensen 1944-7-2 511 Placer Along summit near Donner Pass Comment
  CAS-BOT-BC481928  Eremogone congesta var. congesta Clare B. Hardham 1978-8-11 21767 Placer SE of Thompson Peak Comment
  UCD98127  Eremogone congesta var. suffrutescens G. L. Stebbins Jr. 1970-7-19 7069 Placer along ridge southwest of Duncan Peak Lookout. 2011 Comment
  UC337469  Ericameria arborescens unknown c. 1874 Placer near Auburn Comment
  OBI49186  Ericameria bloomeri Lewis S. Rose 1938-9-14 38270 Placer Truckee river, 3 mi NW of Tahoe City 1829 Comment
  UCD131329  Ericameria bloomeri L. M. Sparks 1912-8-1 51 Placer Lake Tahoe. Comment
  CAS-BOT-BC293278  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer Ridge northwest of Donner Pass 2377 Comment
  POM57263  Ericameria suffruticosa C. F. Sonne 1894-9-2 13644 Placer High Mt. south of Summit Station 2439 Comment
  UCR231824  Erigeron breweri George K. Helmkamp, E. A. Helmkamp 2010-8-14 16774 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-BC294523  Erigeron breweri var. breweri R. F. Hoover 1967-9-6 10849 Placer Kings Beach, Lake Tahoe Comment
  CAS-BOT-BC296766  Erigeron coulteri Margaret Williams 1974-8-8 74 P1-36 Placer Murphy's Meadow, 5 miles southeast of Hirschdale, Sierra Nevada 2316 Comment
  CHSC73013  Erigeron coulteri L. P. Janeway 1998-8-6 5961 Placer LLake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UC195563  Erigeron coulteri C. F. Sonne 1884-8-24 Placer canon above Coldstream Comment
  UCD43895  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1261 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44456  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1822 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC128219  Erigeron coulteri Miss Harriet A. Walker 1908-7-25 1395 Placer near Yuba River; Cicso 1798 Comment
  UCR193332  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-30 12190 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
  OBI77802  Erigeron foliosus var. hartwegii Guy Nesom 1981-6-4 4238 Placer Iowa Hill rd, 2.2 mi ENE of jctn with Frontage Rd in Colfax Comment
  CAS-BOT-BC300817  Erigeron glacialis var. glacialis F. Almeda 1993-7-24 7256 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  SD6235  Erigeron glacialis var. glacialis unknown Jun 1914 Placer Cisco Comment
Read comments
Jul 11 2010
  UC195955  Erigeron glacialis var. glacialis C. F. Sonne 1885-7-12 Placer mts. above Kneeland's Mill Comment
  CAS-BOT-BC295204  Erigeron inornatus A. A. Heller 1916-8-13 12895 Placer Summit Station 2133 Comment
  UC1118161  Erigeron inornatus var. inornatus H. S. Yates 1936-8-9 5996 Placer near Brockway; Truckee Quadrangle 1950 Comment
  CAS-BOT-BC295527  Erigeron miser John H. Thomas; Hazelle A. Thomas 1956-7-21 6222 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD44696  Erigeron peregrinus var. callianthemus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2062 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC295969  Erigeron philadelphicus Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  SDSU3951  Erigeron philadelphicus D. F. Howe 1948-5-23 1851 Placer American River. 305 Comment
  CAS-BOT-BC216226  Eriodictyon californicum C. L. Hitchcock 1940-5-14 6376 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  UC1124297  Eriodictyon californicum B. Bolt 1934-7-4 81 Placer Sawtooth Ridge; Tahoe National Forest, Colfax Quadrangle Comment
  UCD119286  Eriodictyon californicum M. H. Mills 1996-4-12 141 Placer roadsides at 5830 Walden Lane, Loomis. 180 Comment
  UCD164651  Eriodictyon californicum Brandi Sorensen 1995-6-1 17 Placer .73 kilometers northwest of Colfax. 671 Comment
  SEINET5495502  Eriodictyon californicum M. J. Williams 1984-6-24 84- 65 -2 Placer 0.3 miles in from HWY 20 on Bowman Lake Rd. 1524 Comment
  CAS-BOT-BC256781  Eriogonum incanum Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Madden Creek Amphitheater base of Ellis Pk. top of ridge Comment
  JEPS72790  Eriogonum incanum Gladys L. Smith 1972-6-20 3254 Placer slope just below Ward Peak summit 2628 Comment
  SEINET5330422  Eriogonum lobbii W. D. Billings 1951-8-12 2142 Placer just W. of highway maint. Sta., Donner Summit, Sierra Nevada, 2195 Comment
  POM165486  Eriogonum marifolium George B. Grant 1906-7-20 s.n. Placer Lake Tahoe, Sierra Nevada Mountains [Placer or El Dorado County]. 1829 Comment
  CAS-BOT-BC263292  Eriogonum marifolium var. marifolium Arnold Tiehm 1974-8-8 523 Placer South of Murphy's Meadow 2407 Comment
  CDA25011  Eriogonum nudum J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  JEPS56632  Eriogonum nudum var. deductum W. L. Jepson 1918-7-30 7729 Placer near Tahoe City; Lake Tahoe 1920 Comment
  SD243182  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2011-8-26 18163 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
  CAS-BOT-BC264809  Eriogonum nudum var. deductum Peter Rubtzoff; Edward W. Colson 1976-7-7 8735 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  UCR170635  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2005-9-30 9961 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR190584  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2007-9-14 12960 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  SDSU6787  Eriogonum nudum var. pubiflorum D. F. Howe 1960-9-18 2971 Placer 2 miles northof Auburn. 518 Comment
  JEPS74203  Eriogonum ovalifolium var. nivale Gladys L. Smith 1972-6-20 3201 Placer plateau about terminus of Summit chairlift, Ward Peak Ward Peak 2621 Comment
  UCD22138  Eriogonum spergulinum Rex Palmer 1979-7-26 N 834 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR136715  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Sierra Nevada Mtns., Chambers Lodge (McKinney), Lake Tahoe 1921 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
  CAS-BOT-BC205643  Eriogonum umbellatum James R. Shevock 1985-8-9 11335 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  RSA790194  Eriogonum umbellatum James R. Shevock 1985-8-9 11335 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  CAS-BOT-BC265157  Eriogonum umbellatum var. nevadense Charlotte Pyle 1978-8-9 s.n. Placer Silver Peak about 1.5 miles NW of Squaw Valley 2438 Comment
  UC565933  Eriogonum umbellatum var. nevadense H. S. Yates 1934-6-29 3890 Placer near Bijou; Markleevillee Quadrangle 1920 Comment
  UC615502  Eriogonum umbellatum var. nevadense Beryl O. Schreiber 1932-9-11 770 Placer Summit Comment
  SEINET5332028  Eriogonum umbellatum var. torreyanum C. Pyle 1983-1 s.n. Placer East side of Silver Peak about 1.5 miles northwest of Squaw Valley. 2438 Comment
  RSA789732  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  RSA793116  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  UC912775  Eriogonum ursinum Marcus E. Jones, A. M. Jun 1882 Placer Emigrant Gap Comment
  UC412807  Eriogonum ursinum C. F. Sonne 1886-7-18 1245 Placer hillside in R. R. Canyon R. R. Canyon Comment
  CAS-BOT-BC262326  Eriogonum vimineum Catherine Best 1985-9-15 1144 B Placer At Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  SCFS11529134  Eriogonum wrightii E. Krimmel, F. Felix 2012-9-13 Placer NFAm trail 1 mi above Heath Falls. Comment
  UCD101538  Eriogonum wrightii Beecher Crampton 1975-10-14 9329 Placer Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  CDA16809  Eriogonum wrightii var. subscaposum G. F. Hrusa, J. Glazner 2001-7-15 15948 Placer Sierra Nevada; Near summit of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  RSA789733  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  CAS-BOT-BC300951  Eriophyllum lanatum L. S. Smith 1926-5-23 1831 Placer Tahoe National Forest. Above Bear River, Colfax Rd. 853 Comment
  JEPS34505  Eriophyllum lanatum var. grandiflorum L. S. Smith 1925-6-3 1617 Placer along road below Yankee Jim; Tahoe National Forest 746 Comment
  LA203611  Eriophyllum lanatum var. grandiflorum Lincoln Constance; Helen Sharsmith 1933-5-14 E 21 Placer Auburn Comment
  SEINET9262042  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-1 20830 Placer Northern Sierra Nevada Mountains Foothills; Yankee Jims Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5 Q) 463 Comment
  UC896358  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1921-5-22 10582 Placer between Lincoln and Sheridan Comment
  CAS-BOT-BC301410  Eriophyllum lanatum var. grandiflorum H. M. Hall; F. M. Essig 1916-6-5 10156 Placer Bear River, northern Placer County, on the westerly slope of the Sierra Nevada 450 Comment
  SEINET8687268 Image available Eriophyllum lanatum var. grandiflorum Beninghoff 3206 Placer Lincoln Comment
  CAS-BOT-BC301468  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-10 8753 Placer Sierra Nevada Mountains. Cisco Butte 1950 Comment
  CAS-BOT-BC308245  Eriophyllum lanatum var. integrifolium M. E. Jones 1882-6-30 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC308250  Eriophyllum lanatum var. integrifolium L. S. Smith 1926-5-23 1829 Placer Forest Hill Divide, Tahoe Forest 762 Comment
  CDA12398  Eriophyllum lanatum var. integrifolium G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8526 a Placer Lake Tahoe; Peak at W end of N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CHSC96498  Erodium botrys Lowell Ahart; Brian Williams 2007-4-13 13648 Placer On damp granite soil, 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
  UCR238600  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  JEPS127486  Erodium cicutarium Steve Matson 2004-7-1 1063 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters south of Highway 267, 20 meters east of Martis Creek. Comment
  SEINET8565538  Erodium cicutarium F. Brunetti 1962-3-17 s.n. Placer At Auburn. 518 Comment
  UC874923  Eryngium castrense Marcus E. Jones, A. M. 1882-7-8 3602 Placer Auburn Comment
  SEINET5779527 Image available Eryngium pinnatisectum Marcus E. Jones 1882-1 3602 Placer Auburn Comment
  CAS-BOT-BC54317  Erysimum capitatum Mary E. Jump 1939-5-29 s.n. Placer Bear Valley. Comment
  UC856275  Erysimum capitatum Marcus E. Jones, A. M. 1882-6-28 2620 Placer Emigrant Gap Comment
  UCD14937  Erysimum capitatum Alan B. Chan 1977-5-28 35 Placer California, Placer Co.; 20 miles northeast of the Auburn Forest Hill Bridge, 1.2 miles south along Auburn Forest Hill Road towards Michigan Bluff; Comment
  UCD114989  Erysimum capitatum var. capitatum A. S. Crafts 1926-5-1 800 Placer American River Canyon. Comment
  UCR206782  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2009-7-16 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 2020 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
  UC10558  Erysimum perenne C. J. Fox Jr. July 1895 Placer near Deer Park Inn Comment
  UCR240922  Erysimum perenne George K. Helmkamp, E. A. Helmkamp 2012-6-19 19249 Placer Northern Sierra Nevada Mountains, Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road 2040 Comment
  CAS-BOT-BC55098  Erysimum perenne L. S. Smith 1926-6-17 1947 Placer Tahoe Forest. Rattlesnake Range. Sec. 12. 2194 Comment
  CDA42831  Erythranthe microphylla G. F. Hrusa, M. Pitcairn 2015-7-16 18654 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 231 Comment
  CHSC74001  Erythranthe microphylla Susie Urie 1998-9-1 98 -174 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74129  Erythranthe primuloides Susi Urie 1998-8-17 98 -045 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SEINET3991621  Erythronium californicum Unknown 1940-5-7 6310 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC505235  Erythronium grandiflorum A. A. Heller 1917-6-17 12685 Placer Granite rocks near the Yuba river below Cisco 1676 Comment
  SEINET5725086 Image available Erythronium grandiflorum K. Pinney 1975-1 162 Placer 1 mile south of Placer County Big Trees Monument on French Meadows Road.; Big Trees Monument Comment
  UC843846  Erythronium multiscapideum C. L. Hitchcock 1940-5-7 6310 Placer ca 1 mi w Baxter Comment
  UCR250273  Eschscholzia californica George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20334 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 Comment
  CAS-BOT-BC419541  Eschscholzia lobbii Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 3988 Placer Grass Valley Road 1.4 miles from Auburn 365 Comment
  SD113752  Eschscholzia lobbii Darley F. Howe 1948-5-21 1917 Placer Comment
  CAS-BOT-BC310376  Eucephalus breweri J. F. Emmel 1968-7-25 101 Placer North slope of Donner Peak 2286 Comment
  SD260888  Eucephalus breweri George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19826 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 0.5 mile north of Robinson Flat Campground, c. 26 miles NE of Foresthill, Tahoe National Forest. (Duncan Peak 7.5'Q) 2043 Comment
  UC1475036  Eucephalus breweri B. Bolt 1934-8-22 192 Placer 1 mi se of Johnson's Monument; Truckee Quad. 2255 Comment
  UC894600  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer Summit Hotel 2133 Comment
  UCR246827  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-7-28 16656 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SD113526  Euphorbia crenulata Darley F. Howe 1948-5-23 1816 Placer American River 299 Comment
  SD240985  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 (Foresthill 7.5'Q) 1103 Comment
  UCR257773  Euphorbia nutans George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20036 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CAS-BOT-BC202404  Euphorbia ocellata Gordon H. True 1972-8-23 7409 Placer Northern outskirts of Lincoln Comment
  CAS-BOT-BC312157  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer Near Summit hotel in granite 2133 Comment
  CAS-BOT-BC312159  Eurybia integrifolia R. F. Hoover 1967-9-5 10827 Placer Carnelian Bay, Lake Tahoe Comment
  CHSC73922  Eurybia integrifolia Susi Urie 1998-8-11 98 -004 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  OBI16995  Eurybia integrifolia Robert F. Hoover 1967-9-5 10827 Placer Carnelian Bay, Lake Tahoe Comment
  SEINET8687803 Image available Eurybia integrifolia P. B. Kennedy, S. B. Doten 1901-8-19 419 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  CAS-BOT-BC30021  Fagaceae Saichi Kawahara 1969-7-6 897 Placer Ditch line north of old cabin, Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  CDA15671  Festuca idahoensis G. F. Hrusa, J. Glazner 1999-7-18 15218 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD42960  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 329 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR235590  Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2012-5-5 18928 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UCD37227  Festuca occidentalis Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  UCR249531  Festuca perennis George K. Helmkamp, Amy Barnes 2013-3-28 20287 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SACT001179  Festuca pratensis D. Meyer 1983-7-16 Placer 1624.0 Comment
  CAS-BOT-BC278935  Festuca rubra W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  CHSC74044  Festuca rubra Susi Urie 1998-8-18 98 -074 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SACT001218  Festuca rubra D. Meyer 1984-7-21 Placer on road near golf course. 2000.0 Comment
  CAS-BOT-BC282535  Festuca thurberi W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  SACT001205  Festuca viridula Michael Baad 1983-8-11 Placer Trail from Whiskey Camp. 3 miles west of Alpine Meadows. 2133.0 Comment
  SACT001207  Festuca viridula Michael Baad 1983-9-3 Placer From Sprite Inn to western slope of Mountain Judah near summit. 2286.0 Comment
  SACT001210  Festuca viridula D. Meyer 1926-11-10 Placer To summit at first lake steep rocky trail with some moist meadow area. 2000.0 Comment
  SEINET10831688  Festuca viridula A. Arthur Heller 1917-8-14 Heller 12926 Placer Mt. Lincoln south of Summit valley. On a steep gravelly slope, with a few scattered trees of Hesperopeuce mertensiana near the crest. 2499 Comment
  CAS-BOT-BC457946  Fragaria vesca subsp. californica C. L. Hitchcock 1940-5-7 6318 Placer ca. 1 mile west of Baxter Comment
  CAS-BOT-BC447512  Fragaria virginiana var. platypetala Alice Eastwood 1909-1-1 7 Placer Sunnyside Comment
  CAS-BOT-BC53551  Frangula californica subsp. tomentella A. A. Heller 1917-6-16 12680 Placer near Dutch Flat 914 Comment
  SD81185  Frangula californica subsp. tomentella D. F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  UCD15154  Frangula californica subsp. tomentella Phyllis Adams 1982-5-9 39 Placer California, Placer Co.; in the American River Canyon along Highway 49; 243 Comment
  UCD74250  Frangula rubra Jennifer W. Burt 2005-7-11 150 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. 1988 Comment
  CAS-BOT-BC55704  Frangula rubra subsp. obtusissima Carl B. Wolf 1928-8-22 3433 Placer 1 mi. W. of Emigrant Gap 1636 Comment
  UC119841  Fritillaria agrestis J. W. Congdon 1894-4-1 Placer near Roseville Comment
  CAS-BOT-BC505323  Fritillaria micrantha Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SEINET8478947  Fritillaria phaeanthera Killinger 1962-3-17 s.n. Placer 3 miles E of Auburn, North Fork American River. Comment
  UC843909  Fritillaria recurva C. L. Hitchcock 1940-5-7 6308 Placer 1 mi w of Baxter Comment
  SEINET8480166  Fritillaria recurva C. Fitz 1959-4-24 s.n. Placer Rough and Ready. 549 Comment
  CDA36984  Galium aparine CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCD15080  Galium aparine Alan B. Chan 1977-5-28 31 Placer California, Placer Co.; 20 miles northeast of the Auburn Forest Hill Bridge along Auburn Forest Hill Road, 0.25 miles going south on Auburn Forest Hill Road towards Michigan Bluff; 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
  SD146164  Galium bifolium G. K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 A Placer Northern Sierra Nevada Range: N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCD75698  Galium bifolium Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5147 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
  UCR121487  Galium bifolium George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 A Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  POM67595  Galium bolanderi Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SDSU9323  Galium bolanderi D. F. Howe 1971-6-29 4748 Placer 1.4 miles E of Forest Hill. 1097 Comment
  JEPS72404  Galium grayanum Gladys L. Smith, Betsy and Norman Wilson 1972-7-7 3600 Placer summit Ward Peak 2621 Comment
  SEINET12285646  Galium multiflorum C. F. Sonne 1885-1 s.n. Placer mts. above Coldstrain Comment
  CDA6665  Galium murale T. C. Fuller 1959-5-2 2407 Placer Warren Wilson property, Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  UCD121868  Galium parisiense B. Crampton 1955-6-15 2917 Placer 8 miles west of Forest Hill. Comment
  UCR190846  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2007-5-23 12064 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  SEINET4691689  Galium sparsiflorum subsp. sparsiflorum George K. Helmkamp, E. A. Helmkamp 2010-1 16781 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
  CDA13682  Galium trifidum var. pacificum G. F. Hrusa, J. Glazner 1997-8-3 14042 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC73993  Galium trifidum var. pacificum Susi Urie 1998-8-25 98 -091 Placer About 0.2 mi north of Lake Tahoe. 1901 Comment
  CHSC74259  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-10 98 -325 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC74121  Galium triflorum Susi Urie 1998-8-13 98 -032 Placer Meadow along the south side of Ward Creek about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD22294  Galium triflorum Beth Lowe Corbin 1982-8-3 201 Placer Hill west of Onion Creek Campground. SW facing slope. Partial sun. Uncommon. In deep conifer duff over fine, sandy, granitic soil of white fir forest. Perennial from underground rootstock. Stems weak, decumbent. 1853 Comment
  UCR249595  Galium triflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20816 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UC1122697  Garrya fremontii B. Bolt 1934-8-8 167 Placer 0.5 mi s Forks House; Tahoe National Forest, Colfax Quad. 1402 Comment
  SJSU3620  Gastridium phleoides C. W. Sharsmith 1962-5-27 6911 Placer near Clipper Gap c. 6 mi N of Auburn on Donner Summit Rd.(Hwy 40) 512 Comment
  UCD66577  Gastridium phleoides Elizabeth Wilson 1940-5-1 Placer Auburn. 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
  SACT001230  Gastridium ventricosum Michael Baad 1983-6-26 Placer On path to El Dorado Canyon. 1 mile east of Michigan Bluff. 609.0 Comment
  UCD74362  Gaultheria ovatifolia G. Ledyard Stebbins 1968-6-20 6725 Placer Placer County grove of Big Trees. (Exact location unknown. Coordinates estimated by label maker.) 1584 Comment
  UCD21987  Gayophytum Rex Palmer 1979-5-27 N 46 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA144917  Gayophytum diffusum subsp. parviflorum John H. Thomas, Hazelle A. Thomas 1956-7-21 6114 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2134 Comment
  UCD42939  Gayophytum diffusum subsp. parviflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 308 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  POM145987  Gayophytum heterozygum J. B. Feudge 1927-7-18 1717 Placer Emigrant Gap Comment
  RSA39938  Gayophytum heterozygum J. T. Howell 1943-7-25 18807 Placer West side of Donner Pass near Norden 2134 Comment
  UC873668  Gayophytum humile A. A. Heller 1917-6-17 12716 Placer along river below Cisco; Yuba River 1676 Comment
  UC107804  Gayophytum humile C. F. Sonne 1886-6-11 Placer Tahoe; on road to Hot Springs Comment
  UCD105747  Genista monspessulana Michael A. Vincent 1999-6-12 8633 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCR219495  Genista monspessulana Bill Haley 2009-5-12 s.n. Placer Stevens Trail near Colfax, c. 1.2 mi from trailhaed parking area on North Canyon Way, Southwest corner of trail junction leading to Burnt Flat region. Old homesteads are in the area 598 Comment
  SEINET4560742  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-1 17258 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
  UCR173266  Geranium dissectum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10428 A Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  SDSU7348  Geranium solanderi D. F. Howe 1948-5-21 1911 Placer 457 Comment
  JEPS127449  Geum macrophyllum var. perincisum Steve Matson 1997-7-25 132 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; North Ave. Comment
  SEINET11263970  Gilia capillaris Lowell Ahart 2002-7-22 9893 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.; 0 1780 Comment
  SD43633  Gilia capitata Darley F. Howe 1948-5-23 1849 Placer American River 305 Comment
  UCD15039  Gilia capitata Toni Grant 1977-5-28 26 Placer California, Placer Co.; 4.6 miles southeast of Auburn-Foresthill Rd. along Mosquito Ridge Road, intersection is 20 miles northeast of the Auburn-Foresthill Bridge; Comment
  UCSC000605  Gilia capitata N. French 1934-5-31 383 Placer Mamouth Springs. Colfax. 1646 Comment
  SEINET2441404  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-7-16 15224 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' Q.). 2020 Comment
  CAS-BOT-BC282691  Glyceria elata Saichi Kawahara 1969-7-6 1005 Placer West bank of Indian Creek, Mel Henderson Ranch 987 Comment
  SACT001262  Glyceria elata Michael Baad 1983-6-26 Placer On road to Michigan Bluff. Roadwaters of Volcano Creek. 1005.0 Comment
  UCD32811  Glyceria elata Beecher Crampton 1964-7-21 7121 Placer Cisco Grove, US Hwy. 40. Comment
  UCD96981  Glyceria elata Chuck Hughes 2010-7-13 242 Placer Truckee River near northwest corner of intersection of Alpine Meadows Road and Highway 89. 1887 Comment
  JEPS109981  Glyceria grandis Dean W. Taylor 2004-7-7 19175 Placer Truckee River, ca. 200 m below confluence with Bear Creek (Alpine Meadows Road), E side of river downslope from bike path 1886 Comment
  CAS-BOT-BC303818  Gnaphalium John Thomas Howell 1976-7-18 51933 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  CAS-BOT-BC307370  Gnaphalium palustre Emily K. Mcpherson 1976-9-19 76- 27 -7 Placer 1 mile east of Talbot Campground near Middle Fork American River, Sierra Nevada 1767 Comment
  CHSC82576  Gnaphalium palustre Lowell Ahart 2002-7-22 9877 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
  UCD43214  Gnaphalium palustre C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 583 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC427889  Gnaphalium palustre L. S. Smith 1927-8-22 Placer 6-Mile Valley, near Emigrant Gap; Tahoe National Forest, 6-mile Valley 1584 Comment
  CAS-BOT-BC314602  Grindelia hirsutula Saichi Kawahara 1969-5-25 1030 Placer Nigger George Ravine, near BM 2393, Colfax - Iowa Hill Road 729 Comment
  CAS-BOT-BC314604  Grindelia hirsutula Alice Eastwood 1921-5-22 10587 Placer Between Lincoln and Sheridan Comment
  CAS-BOT-BC314605  Grindelia hirsutula John Thomas Howell; Gordon H. True 1971-5-26 47637 Placer Northern limits of Lincoln 48 Comment
  JEPS41903  Grindelia hirsutula W. H. Shockley Jun 1886 Placer Auburn Comment
  UCR240896  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2012-6-19 19209 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  UCD22126  Hackelia Rex Palmer 1979-6-21 N 419 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22131  Hackelia micrantha Rex Palmer 1979-6-10 N 518 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22135  Hackelia micrantha Rex Palmer 1979-7-25 N 808 Placer Headwaters basin area of the North Fork of the American River. 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
  POM181063  Hackelia nervosa A. A. Heller 1912-7-20 10591 Placer Summit. 2073 Comment
  UC2042517  Hackelia nervosa Barbara Keller and Holly Forbes 2010-7-13 Placer Tahoe National Forest, Alpine Meadows under Hot Wheels Ski Lift opposite Scott Lift. Comment
  UCD22133  Hackelia velutina Rex Palmer 1979-7-25 N 807 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD80066  Helianthella californica CNPS SN Foothill Team 2005-4-26 SNFN 0183 c Placer CDPR Auburn State Recreation Area, at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  UC1069450  Helianthella californica subsp. nevadensis B. Bolt 1934-7-11 95 Placer Cascade Lakes Tahoe National Forest, Truckee Quadrangle Comment
  CAS-BOT-BC314785  Helianthella californica var. nevadensis L. S. Smith 1925-7-10 1665 Placer French Meadows, Tahoe Forest 1828 Comment
  CAS-BOT-BC305509  Helianthus bolanderi Rimo Bacigalupi; G. L. Stebbins; Daniel Zohary; Howard Stutz; Alex D. Hawkes; Juan Hunziker; Fritz Ehrendorfer 1952-7-20 3883 Placer Seven miles east of Iowa Hill 1158 Comment
  CDA17019  Helianthus bolanderi G. F. Hrusa 2002-7-3 s.n. Placer Northern California; Hughes Mill (site). On wet serpentine. 1066 Comment
  JEPS14349  Helianthus bolanderi Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Howard Stutz, Alex D. Hawkes, Juan Hunziker, 1952-7-20 3883 Placer 7 mi e Iowa Hill 1158 Comment
  CAS-BOT-BC314976  Hemizonella minima Harriet A. Walker 1910-6-1 2036 Placer Deer Park, Lake Tahoe Region Comment
  SCFS1189  Hemizonella minima E. Krimmel 2014-4-21 Placer NFAm. Farthest rocky outcrop on Point Mariah Comment
  CDA38360  Heracleum lanatum T. C. Fuller 1973-8-23 19979 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  UC112844  Hesperochiron californicus Katharine Brandegee July 1908 Placer banks of Yuba R. a mile or so above Cisco; Yuba R. Comment
  JEPS71479  Hesperochiron pumilus Gladys L. Smith 1972-6-21 3277 Placer Alpine Meadows 2072 Comment
  CAS-BOT-BC403800  Hesperocnide tenella Lowell Ahart 1975-4-7 s.n. Placer Near Lincoln. In a field 1/4 mile north-east from the intersection of Wise Road and McCourtney Road which is north of Lincoln 39 Comment
  CHSC107390  Heteromeles arbutifolia Blake McSorley 2010-3-19 Placer Hidden Falls near Auburn. 259 Comment
  UCR257641  Heterotheca grandiflora George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20019 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  UCD133036  Heterotheca grandiflora Collector Unknown Date Unknown s.n. Placer Exact location unknown. Comment
  UCD21703  Heterotheca villosa Beth Lowe Corbin 1982-8-13 346 Placer 3/4 mile west of The Cedars, in meadow. Ray and disc flowers yellow. Mostly sun. South facing slope, 15% incline. Occasional. 1676 Comment
  SBBG123109  Heuchera micrantha G. K. Helmkamp with E. A. Helmkamp 2007-5-30 12193 Placer Mosquito Ridge Rd, 15 mi E of its jct with Forest Hill Rd in Foresthill, S of site of Bake Oven 915 Comment
  UCD102638  Heuchera micrantha Eric Brenner; John Hunter 1996-5-26 024 Placer Tahoe National Forest, Mosquito Ridge Rd. 1080 Comment
  UCD15698  Heuchera micrantha Sook Hong 1989-5-20 11 Placer Placer Redwood Grove. 563 Comment
  SEINET6031227  Heuchera micrantha S. Dean 1979-3-31 s.n. Placer Eldorado Creek near junction with N. fork of Middle Fork of American River on Mosquito Ridge Rd 518 Comment
  UCD16138  Heuchera micrantha var. erubescens S. Boshoven 1983-5-30 9 Placer California. Placer County: Mosquito Ridge Rd., 13.5 mi from Forest Hill Rd. and Mosquito Ridge intersection. 1219 Comment
  CAS-BOT-BC425221  Heuchera rubescens John H. Thomas; Hazelle A. Thomas 1956-7-21 6116 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  SCFS1117  Hieracium albiflorum E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail at Bailey Cabin. Comment
  SEINET4691668  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-1 16784 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
  UCR193311  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12187 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
  UCR231837  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16784 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-BC319757  Hieracium argutum G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; J. Hunziker; H. Stutz; D. Zohary 1952-7-19 5125 Placer Along north fork of American River 2 miles south of Colfax 1/2 mile east of bridge of Iowa Hill Road Comment
  CAS-BOT-BC318636  Hieracium horridum Alice Eastwood 1909-1-1 223 Placer Deer Park Comment
  UCR176266  Hieracium scouleri George K. Helmkamp, E. A. Helmkamp 2006-8-11 11207 Placer Northern Sierra Nevada Mtns foothills, along the road to Clementine Lake, 0.8 mile north of Forest Hill Rd 422 Comment
  SACT001286  Holcus lanatus Josephine Van Ess 1977-5-13 Placer Collected about .75 mile osouth of Mount Vernon Road. Wet ditch bank. 365.8 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
  SDSU1125  Holcus lanatus D. F. Howe 1951-5-2 2108 Placer Four miles north of Auburn 457 Comment
  UC1137049  Holcus lanatus August L. Hormay 1932-5-24 Placer w Auburn Comment
  RSA718504  Holocarpha virgata subsp. virgata L. P. Janeway 2006-8-24 8873 Placer Sacramento Valley. Along Hwy 193 about 3.5 km N of Lincoln. 41 Comment
  SACT001303  Hordeum brachyantherum D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT001304  Hordeum brachyantherum Michael Baad 1983-8-21 Placer On road from Soda Springs. 2.2 miles west southwest of Interstate Highway 80 exit to Soda Springs. 2019.0 Comment
  UCD44015  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1381 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD85461  Hordeum brachyantherum L. S. Smith 1916-7-8 s.n. Placer Squaw Valley. 1828 Comment
  CHSC69979  Hordeum brachyantherum subsp. brachyantherum L. P. Janeway; Eric Schroder 1997-7-17 5250 Placer Tahoe National Forest. Meadow on southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  SACT001341  Hordeum geniculatum D. Meyer 1983-5-15 Placer Field of southeast corner. 36.6 Comment
  SACT001365  Hordeum leporinum Josephine Van Ess 1976-4-14 Placer Collected on railroad embankment neer Clark Tunnel Road. North of Penryn and at roadside. Dry roadside. 152.4 Comment
  SACT001367  Hordeum leporinum Josephine Van Ess 1984-5-6 Placer on Garden Bar Road. Riparian habitat. 182.0 Comment
  SACT001376  Hordeum leporinum D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT001381  Hordeum leporinum D. Meyer 1984-5-6 Placer 145.5 Comment
  CDA19573  Hordeum marinum subsp. gussoneanum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 212 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
  SEINET4670488  Hordeum murinum subsp. leporinum R. Oliver 1976-4-13 s.n. Placer Auburn 366 Comment
  SACT001358  Hordeum vulgare D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 20.0 Comment
  SEINET3156787  Horkelia fusca W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  RSA169484  Horkelia fusca subsp. parviflora L. S. Rose 1963-7-11 63211 Placer Tahoma, Lake Tahoe. 1916 Comment
  UC12399  Horkelia fusca subsp. parviflora J. Burtt Davy Jun 25 1897-Jun 30 1897 3264 Placer Truckee to Tahoe Truckee river Basin Comment
  UC128221  Horkelia fusca subsp. parviflora Miss Harriet A. Walker 1908-7-26 1399 Placer Cisco 1798 Comment
  SEINET6758836  Horkelia fusca subsp. parviflora M. J. Williams 1985-7-6 85- 61 -8 Placer Near old Donner Summit, south of Lake Mary 2286 Comment
  SEINET6758962  Horkelia fusca subsp. parviflora L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  CAS-BOT-BC537862  Horkelia fusca var. parviflora A. A. Heller 1917-8-13 12939 Placer Base of a cliff north of Summit hotel 2164 Comment
  CAS-BOT-BC537865  Horkelia fusca var. parviflora A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end Summit Valley 2042 Comment
  UCD113496  Horkelia fusca var. pseudocapitata Beecher Crampton 1972-7-26 8832 Placer Carpenter Flat, east of Emigrant Gap. 1615 Comment
  UC567176  Horkelia tridentata subsp. tridentata G. T. Nordstrom 1934-6-21 149 Placer 3 mi n Mammoth Springs (s of Monumental Hill); Colfax quad, North Fork of American River 1584 Comment
  UCR215985  Horkelia tridentata subsp. tridentata George K. Helmkamp, Amy Barnes 2009-7-12 15178 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  SD237590  Horkelia tridentata var. tridentata G. K Helmkamp, Amy Barnes 2009-7-12 15178 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  CAS-BOT-BC537980  Horkelia tridentata var. tridentata A. A. Heller 1917-6-17 12705 Placer gravelly places along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC206148  Hosackia crassifolia W. R. Dudley 1900-6-29 s.n. Placer South of Tahoe City Comment
  SEINET7716723  Hosackia crassifolia Unknown 1888-7-14 Placer Summit Soda Comment
  SEINET5327381  Hosackia crassifolia var. crassifolia P. B. Kennedy 1901-8-21 428 Placer Talbot's Home Camp, 7 mi from French Meadow Comment
  UCD144324  Hosackia incana G. F. Hrusa; B. Meese 1997-5-26 13789 Placer Italian Bar Trail, N-facing slope to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. 1300 Comment
  SEINET5327467  Hosackia oblongifolia var. oblongifolia P. B. Kennedy, Samuel Bradford Doten 1901-8-15 406 Placer Bearman's camp, 6 mi from French meadows 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
  CDA7484  Hymenothrix loomisii T. C. Fuller 1962-9-2 9624 Placer South side of Highway 40 freeway to Donner Summit, 4.8 miles east of Weimar. 0 Comment
  CAS-BOT-BC400940  Hypericum anagalloides John H. Thomas; Hazelle A. Thomas 1956-7-21 6218 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD44449  Hypericum anagalloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1815 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC400935  Hypericum anagalloides B. C. Cain 1925-8-15 21 Placer 2 mi south of Auburn near Wise Power House Comment
  CAS-BOT-BC410213  Hypericum concinnum Vincent Jones 1919-7-7 s.n. Placer ridge above Bear Valley Comment
  UCD110358  Hypericum concinnum Julie Combs 1994-5-31 22 Placer 1 m. E of railroad tracks. 579 Comment
  UCD40288  Hypericum concinnum Rodney Gale Myatt 1972-6-1 1688 Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  UCR200866  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14120 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  CHSC74225  Hypericum formosum var. scouleri Susie Urie 1998-9-2 98 -216 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
  CDA5081  Hypericum perforatum T. C. Fuller 1964-6-26 12253 Placer Sierra Nevada; North side of freeway, Interstate 80, to Donner Summit, 0.2 miles west of Gold Run. Comment
  UCD38901  Hypericum perforatum subsp. perforatum Beecher Crampton 1959-7-23 5424 Placer 6 miles north of Folsom. Comment
  UCD39144  Hypericum perforatum subsp. perforatum Beecher Crampton 1964-7-21 7124 Placer 1 mile east of Cisco Grove (old site), old portion US Hwy. 40. 1737 Comment
  JEPS126285  Hypericum scouleri Steve Matson 1998-5-27 154 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267 on Lookout Mountain Creek. Comment
  SCFS11529122  Ipomopsis aggregata E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing in drying stream bed. Comment
  JEPS124894 Image available Ipomopsis aggregata Laurel Loeblich 1964-7-12 94 Placer 1.9 miles south of Lake Tahoe City of HIghway 89. Comment
  CDA15678  Ipomopsis aggregata subsp. aggregata G. F. Hrusa, J. Glazner 1999-7-18 15228 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1920 Comment
  SEINET9355646  Iris hartwegii Unknown 2009-5-11 14653 Placer Sierra Nevada Mountains Foothills Comment
  UC186610  Iris hartwegii C. F. Sonne 1891-4-5 Placer Auburn Comment
  UCD164639  Iris hartwegii Brandi Sorensen 1995-6-1 10 Placer .73 kilometers northwest of Colfax. 671 Comment
  SDSU330  Iris hartwegii D. F Howe 1965-5-20 4058 Placer Canyon on south side of north fork of American River, between Forest Hill and Yankee Jims. Comment
  RSA739596  Isoetes howellii John Dittes 2003-5-25 2003 -28 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  JEPS44486  Ivesia shockleyi var. shockleyi C. F. Sonne 1887-7 84 Placer Tinker's Knob; Sierra Nevada Mountains 2895 Comment
  SEINET11911561  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 s.n. Placer Tinker Knob, near Truckee 2896 Comment
  RSA755562  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer along CA-193, 5.3 miles east of Lincoln 123 Comment
  CAS-BOT-BC109966  Juncus John H. Thomas; Hazelle A. Thomas 1956-7-21 6212 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. Along edge of lake. 2438 Comment
  UCD33732  Juncus articulatus subsp. articulatus Beecher Crampton 1972-7-26 8842 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD33744  Juncus articulatus subsp. articulatus Beecher Crampton 1972-7-26 8856 Placer ca. 1 mile west of Cisco Grove on Interstate 80. 1676 Comment
  UCD38905  Juncus articulatus subsp. articulatus Beecher Crampton 1959-7-23 5429 Placer Behind Placer Hills School, Meadow Vista. 533 Comment
  CHSC74320  Juncus balticus Susi Urie 1998-9-3 98 -236 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UCD43279  Juncus balticus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 647 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS103384  Juncus bufonius var. bufonius Lowell Ahart 2002-7-22 9910 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
  CDA12391  Juncus chlorocephalus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8519 A Placer Lake Tahoe; N side of Ward Valley 4 mi SW Tahoe City. Comment
  UCD74139  Juncus chlorocephalus Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 242 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2151 Comment
  UCR179422  Juncus chlorocephalus E. Lowe Corbin 1982-8-19 385 Placer Northern Sierra Nevada Mountains, Headwaters Basin Region of the North Fork of the American River 2 mi SSE of The Cedars [NW of Squaw Valley, south of Norden] 2012 Comment
  CHSC74141  Juncus confusus Susi Urie 1998-8-11 98 -014 Placer Lake Tahoe Basin Management Unit -- National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  JEPS73239  Juncus drummondii Gladys L. Smith 1972-8-25 3406 Placer between Shirley chairlift and Watson Monument (trail to Granite Chief) 2560 Comment
  UCR257772  Juncus effusus var. gracilis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20033 Placer Sierra Nevada Mountains Foothills, CA-49 at junction with Christian Life Way, c. 2 miles south of Grass Valley 755 Comment
  UCR209750  Juncus exiguus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15431 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
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Mar 31 2011
  CHSC74024  Juncus nevadensis Susi Urie 1998-8-17 98 -057 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
  CHSC74295  Juncus nevadensis Susi Urie 1998-9-2 98 -203 Placer Lake Tahoe Basin--National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UC1133684  Juncus nevadensis N. French 1934-6-18 418 Placer Lock Leven Lakes Tahoe National Forest, Truckee Quad. 2164 Comment
  CDA15943  Juncus occidentalis G. F. Hrusa, J. Glazner 1999-7-17 15151 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC82705  Juncus occidentalis Lowell Ahart 2002-7-22 9911 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
  UC1133697  Juncus parryi N. French 1934-6-22 466 Placer Serena Lake Tahoe National Forest, Truckee Quad. 2407 Comment
  UCD21850  Juncus parryi Rex Palmer 1979-7-11 N 561 Placer Headwaters basin area of the North Fork of the American River. 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
  UCD75816  Juncus parryi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5163 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
  UCR179423  Juncus parryi Rex Palmer 1979-5-27 N 83 Placer Northern Sierra Nevada Mountains, Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden], granites at entrance to Chickering property 1768 Comment
  CHSC81838  Juncus tenuis Lowell Ahart 2001-10-10 9351 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 a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  SBBG47338  Juncus tenuis J. T. Howell, G. H. True 1971-7-7 48322 Placer north limits of Lincoln 48 Comment
  CHSC67855  Juncus uncialis James D. Jokerst 1986-4-14 2625 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. In vernal pools. Comment
  UCD43376  Juniperus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 744 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET5334970  Juniperus occidentalis P. A. Lehenbauer 1937-9-19 s.n. Placer on road to Carnelian Bay, 4 miles from Lake Tahoe Comment
  RSA133970  Juniperus occidentalis var. australis John H. Thomas, Hazelle A. Thomas 6149 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2134 Comment
  UCR163503  Juniperus occidentalis var. australis David A. Charlet 1997-4-17 2391 Placer Carson Range, Tahoe City, on E shoulder of Calif. Hwy 267, 0.2 mi N of the junction with Tahoe hwy 1909 Comment
  CAS-BOT-BC235567  Keckiella breviflora L. S. Smith 1926-5-23 1830 Placer Tahoe National Forest, American River slopes, below Forest Hill 548 Comment
  CAS-BOT-BC235569  Keckiella breviflora Francis W. Pennell 1940-6-2 25659 Placer Route 49 north of American River, east of Auburn 274 Comment
  UC1012169  Keckiella breviflora Francis W. Pennell 1940-6-2 25659 Placer e of Auburn (Route 49, n of American River) 274 Comment
  UC565926  Keckiella breviflora N. French 1934-5-29 377 Placer 1 mi w Lake Spaulding; Colfax Quad. 1463 Comment
  UC886838  Keckiella breviflora Marcus E. Jones, A. M. 1882-6-28 3276 Placer Emigrant Gap Comment
  RSA0037372  Keckiella breviflora subsp. breviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20503 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  NY786793  Keckiella breviflora var. breviflora M. E. Jones 1882-5-28 3276 Placer Emigrant Gap Comment
  CAS-BOT-BC246156  Keckiella lemmonii Catherine Best 1981-8-1 s.n. Placer Near Lower Hell Hole Reservoir, Sierra Nevada Comment
  CAS-BOT-BC246324  Keckiella lemmonii W. R. Dudley 1909-8-1 s.n. Placer North side Bear River, road to Little York Comment
  RSA121077  Kelloggia galioides B. Bolt 1934-7-19 152 Placer 1 mile S of Whiskey Hill. 1646 Comment
  SD237601  Kelloggia galioides G. K Helmkamp, Amy Barnes 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill (Michigan Bluff 7.5'Q) 1230 Comment
  SEINET9316294  Kelloggia galioides Unknown 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills Comment
  UCD22299  Kelloggia galioides Beth Lowe Corbin 1982-8-2 153 Placer Onion Creek campground. In fine, sandy, granitic soil. Perennial herb with slender rhizomes; flowers white. Mostly shade. South facing slope. Locally clumped, but uncommon. 1841 Comment
  CDA36807  Kickxia elatine D. B. Joley 1971-7-12 4 Placer Near Loomis. 0 Comment
  SACT001418  Koeleria cristata Josephine Van Ess 1977-5-12 Placer Collected about .25 mile east of Sierra College Blvd. 103.7 Comment
  CHSC12192  Kumlienia hystricula Lowell Ahart 1973-3-29 Placer Near Forest Hill. 472 Comment
  SEINET5338187  Kumlienia hystricula K. Brandegee 1909-4-28 92 Placer Near Auburn, in the Sierra Nevada foothills. Comment
  CAS-BOT-BC341354  Lagophylla glandulosa David D. Keck 1932-6-30 1587 Placer 0.3 miles N. of Weimar P.O. 685 Comment
  CAS-BOT-BC341563  Lagophylla ramosissima Catherine Best 1984-8-11 1031 Placer South campground, Far West Reservoir 91 Comment
  UCR253552  Lamium amplexicaule George K. Helmkamp, Amy Barnes 2014-4-23 22804 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
  SEINET7949735  Lamium amplexicaule D. G. Cooney 1960-4-13 8 Placer Auburn Comment
  HSC82237  Lasthenia californica Thomas W. Nelson 1979-4-10 4582 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UC30448  Lasthenia californica H. N. Bolander 1865-4-13 4572 Placer New Castle Comment
  JEPS113111  Lasthenia fremontii Lowell Ahart, Brian Williams 2007-4-13 13631 Placer 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
  UC130779  Lasthenia fremontii Katharine Curran 1883-4-1 Placer Roseville Comment
  CAS-BOT-BC353497  Lasthenia fremontii Brandegee No date on label s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  RSA585986  Lasthenia fremontii Adree M. Desrochers 1988-4-20 304 Placer Lincoln; along Hwy 65; 1.8 km from 5th Street/Rd 65 on E side of Hwy 65. Comment
  RSA739658  Lathyrus angulatus John Dittes 2003-5-25 2003 -29 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  CAS-BOT-BC213499  Lathyrus jepsonii subsp. californicus Marcus E. Jones 1883-7-1 s.n. Placer Emigrant Gap Comment
  UCR190147  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2007-9-14 12951 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  CDA17000  Lathyrus sulphureus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16053 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SEINET6744634 Image available Lathyrus sulphureus Marcus E. Jones 1882-1 Placer Emigrant Gap 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
  CAS-BOT-BC321711  Layia fremontii Peter H. Raven 1954-4-16 6602 Placer 7 mi S of Lincoln on road to Roseville. Comment
  JEPS7749  Layia fremontii Peter H. Raven 1954-4-16 6602 Placer 7 mi s of Lincoln on road Roseville Comment
  RSA0035477  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20355 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  RSA467614  Ledum glandulosum B. C. Templeton 1931-7-5 1516 Placer near Meek's Bay. 2280 Comment
  UC570136  Ledum glandulosum N. French 1934-6-21 436 Placer sw side of Pallside Lake Pallside Lake 2011 Comment
  UCD77803  Legenere limosa Robert E. Preston 2002-5-3 1787 Placer around 3 miles ssw of Lincoln, north of Orchard Creek 35 Comment
  UCR233020  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-5-12 17256 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
  HSC33424  Lepidium campestre Thomas W. Nelson, James Nelson 1974-6-17 1376 Placer Dollar Point overlooking Lake Tahoe, N of Tahoe City 1585 Comment
  SEINET5342419  Lepidium campestre P. A. Lehenbauer 1932-6-26 1589 Placer Tahoe City. Comment
  CDA20197  Lepidium latifolium A. Williams 2003-8-13 PDR 1407016 Placer Sierra Nevada; Timber Dr, Pineland. 0 Comment
  CAS-BOT-BC89733  Lepidium latifolium J. H. Wilson 1969-6-4 s.n. Placer Lozanos Road, Ophir, Newcastle. 304 Comment
  RSA121681  Lepidium perfoliatum N. H. French 1933-6-15 78 Placer Clipper Gap. 518 Comment
  UCR146922  Lepidium virginicum var. pubescens Beecher Crampton 1961-9-27 6017 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  SACT001405  Leptochloa fascicularis Josephine Van Ess 1976-7-28 Placer 2.3 miles west of Watt Ave 21.3 Comment
  RSA40267  Leptosiphon ciliatus L. S. Rose 1946-6-23 46188 Placer Rainbow, north of Cisco. 1738 Comment
  POM361835  Lessingia leptoclada Fay A. MacFadden 1934-8-26 12935 Placer Forest Hill Comment
  CAS-BOT-BC56395  Leucothoe davisiae F. Almeda 1993-7-24 7271 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2133 Comment
  CAS-BOT-BC123020  Lewisia kelloggii Albert Kellogg 1870-6-27 s.n. Placer Sierra Nevada. Camp Yuba, Cisco Comment
  SEINET5336469  Lewisia kelloggii M. J. Williams 1970-6-7 s.n. Placer S of Emigrant Gap, overlooking N fork American River. 1615 Comment
  UCD22148  Lewisia nevadensis Rex Palmer 1979-6-20 N 331 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC444553  Lewisia triphylla Marcus E. Jones 1882-6-28 2629 Placer Emigrant Gap Comment
  CAS-BOT-BC444558  Lewisia triphylla A. A. Heller 1917-6-17 12682 Placer Along the Yuba River below Cisco 1676 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
  UC589879  Leymus triticoides H. S. Yates 1936-8-9 5997 Placer near Brockway; Truckee Quadrangle 1920 Comment
  UCD64643  Leymus triticoides Beecher Crampton 1956-7-17 3725 Placer Blue Canyon. 1432 Comment
  CHSC74057  Ligusticum grayi Susi Urie 1998-7-11 98 -001 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. 2097 Comment
  CHSC74760  Ligusticum grayi Susi Urie; Eric Schroder 1998-9-8 98 -286 Placer Meadow complex on north sode of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD21642  Ligusticum grayi Rex Palmer 1979-7-25 N 686 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD74019  Ligusticum grayi Jennifer W. Burt 2005-7-16 133 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-BC130778  Lilium pardalinum Albert Vollmer 1949-7-6 12 -D Placer Bear Valley Comment
  CAS-BOT-BC130781  Lilium pardalinum Mrs. H. M. Mitchell 1930-6-7 s.n. Placer Between Colfax and Dutch Flat Comment
  UCD44538  Lilium parvum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1904 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  LA84032  Lilium washingtonianum O. H. Kappler; 1946-6-18 1321 Placer Lake Tahoe, NW shore 1920 Comment
  UCD22053  Lilium washingtonianum Beth Lowe Corbin 1982-8-10 306 Placer 1 3/4 miles NW of Onion Creek Campground. 2103 Comment
  UC3750  Lilium washingtonianum subsp. washingtonianum C. F. Sonne Jul 1886 Placer canyon on Truckee River; Sierra Nevada Mountains Comment
  CAS-BOT-BC334223  Lilium washingtonianum var. washingtonianum George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19796 Placer Northern Sierra Nevada Mountains: Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  UCD116450  Limnanthes alba Lynn Gould 1962-4-17 53 Placer on P. F. E. Road 6 miles west of Roseville. 45 Comment
  UCD35923  Limnanthes alba Beecher Crampton 1953-4-13 1096 Placer Sunnybrook Farms, 2 miles north Lincoln. Comment
  SFV8305  Limnanthes alba S. A. Melugin 1969-4-26 69 Placer Near end of Road 5005. 12 Comment
  SD236324  Limnanthes alba subsp. alba G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13290 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36 Comment
  RSA27967  Limnanthes alba var. detonsa C. L. Hitchcock 1940-5-7 6333 Placer 1 mile west of Baxter. Comment
  CHSC3882  Limnanthes douglasii subsp. rosea Gary Dutton 1966-3-21 139 Placer Found on Lincoln cut-off to Newcastle. Two miles from Lincoln. Field. Comment
  UC17892  Limnanthes douglasii subsp. rosea Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC246053  Limosella aquatica John Thomas Howell 1943-7-19 18579 Placer Summit Valley Comment
  UC59633  Linanthus dichotomus Mrs. M. E. P. Ames Placer Roseville Comment
  UC880295  Linanthus filipes Marcus E. Jones, A. M. Jun 1882 Placer Emigrant Gap Comment
  CDA15938  Linanthus harknessii G. F. Hrusa, J. Glazner 1999-7-17 15153 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC971766  Linanthus harknessii B. Bolt 1934-7-17 171 Placer 0.5 mi s Los Emigrant Monument; Tahoe National Forest, Truckee Quad. 2072 Comment
  CDA6360  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4182 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  JEPS72644  Linum lewisii Gladys L. Smith 1972-6-20 3243 Placer Summit ridge from ski lift to top of Ward Peak 2621 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
  UCD160959  Lithophragma G. Ledyard Stebbins 1978-5-27 s.n. Placer El Dorado National Forest. East side of Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1219 Comment
  RSA98977  Lithophragma bolanderi L. S. Rose, W. A. Weber 1953-5-19 8398 Placer 1 mile SE of Auburn 305 Comment
  JEPS29704  Lithospermum californicum Rimo Bacigalupi and L. Heckard 1962-5-26 8461 Placer 1.5 mi ne Dutch Flat (at Southern Pacific railroad crossing) 1097 Comment
  SACT001438  Lolium multiflorum D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure. 231.648 Comment
  UCD34030  Lolium perenne Beecher Crampton 1975-9-9 9283 Placer Placer County, Alta, Hwy. 80. 1188 Comment
  UCD66468  Lolium perenne Beecher Crampton 1975-9-9 9283 Placer Alta, Interstate Hwy. 80 W. Comment
  UC765515  Lomatium caruifolium var. denticulatum R. F. Hoover 1939-5-10 4090 Placer Lincoln Comment
  SD237288  Lomatium utriculatum G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14628 Placer Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.6 miles east of its junction with Forrest Hill Road in Foresthill. 771 Comment
  UC1125217  Lonicera conjugialis B. Bolt 1934-8-14 172 Placer e slope Red Star Ridge (in Plot 220); Tahoe National Forest, Truckee Quadrangle Comment
  UCD50453  Lonicera conjugialis D. Axelrod 1982-1 s.n. Placer Exact location unknown. Comment
  SEINET8056667  Lonicera hispidula var. vacillans J. Landers 1974-9-22 s.n. Placer Middle Fork American River. 290 Comment
  UCR250077  Lotus argophyllus var. fremontii George K. Helmkamp, Mary Alice Barnes 2013-5-3 20502 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
  UC112832  Lotus grandiflorus var. grandiflorus Katharine Brandegee 1908-6-5 Placer Magra Station Comment
  CDA11997  Lotus humistratus G. F. Hrusa 1995-5-2 12178 Placer Sierra Nevada; Approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  JEPS83670  Lotus humistratus W. H. Shockley Jun 1886 Placer Auburn Comment
  UCR207849  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14559 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  UCR257074  Lotus humistratus George K. Helmkamp, Amy Barnes 2014-4-23 22775 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
  UC864903  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer ca 1 mi w Baxter 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
  CDA15883  Lotus pinnatus G. F. Hrusa, L. Serafini 1993-6-29 11263 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  CDA37244  Lotus purshianus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR170821  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2005-9-30 9946 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UC65767  Lotus purshianus var. purshianus P. B. Kennedy and S. B. Doten 1901-8-18 413 Placer French Meadows Comment
  UC1129126  Lotus scoparius N. French, R. Clar 1933-6-6 75 Placer near Rattlesnake Bridge (locally near the American River); Sacramento Quad. 609 Comment
  RSA0025723  Lupinus John F. Emmel 1992-7-2 1230 Placer Carson Range ESE of Truckee; ridge 1.0 air mile south and 1.6 air mile east of Martis Peak. 2733 Comment
  SEINET8058013  Lupinus M. Dailey 1959-4-19 19 Placer Just east of Weimar, on north side of highway 40 427 Comment
  UC1129278  Lupinus albifrons C. R. Clar 1933-5-12 118 Placer Applegate Hill; Colfax Quad., Applegate Hill Comment
  SEINET5327616  Lupinus albifrons C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River, Mosquito Ridge road to French Meadowns. 518 Comment
  CAS-BOT-BC201563  Lupinus albifrons var. albifrons Mary E. Jump 1939-3-30 s.n. Placer Highway 40, between Auburn & Colfax Comment
  OBI82142  Lupinus albifrons var. collinus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20486 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
  HSC33455  Lupinus apertus Thomas W. Nelson, Jane P. Nelson 1974-6-17 1354 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  POM10974  Lupinus apertus A. A. Heller 1909-7-16 9839 Placer Summit. 2134 Comment
  CAS-BOT-BC8276  Lupinus arbustus subsp. silvicola Amos Arthur Heller 1909-7-16 9857 Placer Summit 2133 Comment
  SEINET10544130 Image available Lupinus arbustus subsp. silvicola A. Arthur Heller 1909-7-16 Heller 9857 Placer Summit. 2134 Comment
  SEINET4560789  Lupinus argenteus var. argenteus George K. Helmkamp, E. A. Helmkamp 2011-1 18162 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
  UCR233387  Lupinus argenteus var. argenteus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18162 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
  JEPS65024  Lupinus benthamii R. E. Arp 1932-4-18 4 Placer Coloma Comment
  CDA37057  Lupinus bicolor CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  HSC37413  Lupinus bicolor Thomas W. Nelson 1972-11-25 710 Placer Del Oro Rd. near Roseville Comment
  SBBG122299  Lupinus bicolor G. K. Helmkamp with E. A. Helmkamp 2008-4-17 13296 Placer ca. 0.2 mi N of St Hwy 193 on Fowler Rd, ca. 6 mi E of Lincoln 92 Comment
  SD43600  Lupinus bicolor Darley F. Howe 1948-5-22 Placer Placer County 609 Comment
  UCR198538  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2008-4-17 13281 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  RSA20897  Lupinus bicolor subsp. microphyllus Carl B. Wolf 8630 Placer Sacramento Valley, 2 mi. No. of Lincoln. 53 Comment
  SEINET8042255  Lupinus grayi A. Allen 1950-4-29 45 Placer Highway 40, 2 miles above Glen Alder following a sharp curve to left, 914 Comment
  RSA414802  Lupinus latifolius subsp. latifolius E. J. Koaus 1924-7-10 s.n. Placer Lake Tahoe. Comment
  SEINET3151067  Lupinus laxiflorus var. silvicola A. A. Heller 1909-7-16 9857 Placer Summit 2134 Comment
  SJSU10719  Lupinus lepidus var. lobbii R. L. Fisher 1957-8-5 Placer Emigrant Meadow 3 mi S of Norden at headwaters of S Fork Yuba R 2286 Comment
  UCD108447  Lupinus lepidus var. lobbii L. S. Smith 1916-6 747 Placer Squaw Valley. Comment
  CDA13664  Lupinus lepidus var. sellulus G. F. Hrusa, J. Glazner 1997-8-3 14024 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UC865513  Lupinus lepidus var. sellulus Alice Eastwood 1909-1 64 Placer Ward Creek; Lake Tahoe Region, Ward Creek Comment
  UCR120503  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5026 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC438828  Lupinus nanus George K. Helmkamp; Mary Alice Barnes 2013-5-3 20471 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  RSA790862  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Finning Mill Road at the junction with Forest Hill Road. 1144 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
  RSA413833  Lupinus polyphyllus subsp. polyphyllus Wm Vortriede 1928-1 s.n. Placer Lake Tahoe Comment
  JEPS127428  Lupinus polyphyllus var. burkei Steve Matson 1999-6-28 424 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; 300 meters NW of main meadow near highway. Comment
  SEINET8059977  Lupinus polyphyllus var. burkei Caldwell 1962-5-9 120 Placer 6 miles north of Auburn, Highway 40 610 Comment
  SEINET8060070  Lupinus polyphyllus var. burkei Trevitt 1932-7-5 s.n. Placer [Sierra Nevada] Tahoe Vista Comment
  UCD109382  Lupinus polyphyllus var. polyphyllus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11708 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UC1129684  Lupinus rivularis B. Bolt 1934-8-22 193 Placer 1 mi se Johnson's Monument; Tahoe National Forest, Truckee Quad. Comment
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Jul 19 2018
  SEINET10490224  Lupinus sellulus var. artulus David B. Dunn, Douglas G. LeDoux; Patricia L. Kenney 1973-6-26 Dunn 21040 Placer Coll. .4 Mi e of the norden post office, approaching donner pass, douglas fir And yellow pine. Decomposed granite soils. Comment
  SEINET10490881  Lupinus sellulus var. sellulus B. Jorgensen 1944-7-23 Jorgensen 526 Placer Near soda springs. Comment
  POM127158  Lupinus vallicola subsp. vallicola Francis Ramaley 11099 Placer Lincoln Comment
  CDA19571  Luzula comosa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 250 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
  JEPS127405  Luzula comosa var. laxa Steve Matson 2006-4-23 1603 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  CHSC9127  Luzula comosa var. subsessilis J. L. Wilson 1970-3-25 220 Placer U.S. Forest Station, Foresthill, Tahoe National Forest. In a lawn area in front of the office, Box 277. 984 Comment
  UCD162591  Luzula orestera Steve Matson 2002-8-17 1133 Placer nSNH; near Sonora Pass; Walker River watershed; meadow above tarn just east of Hannah Mtn. Comment
  UCD162585  Luzula subcongesta Steve Matson 2004-8-22 1116 Placer Tahoe Basin west shore; Blackwood Canyon; 1 mile SE of Barker Pass. 2377 Comment
  SD8613  Madia bolanderi Katherine Curran Sep 1883 Placer Donner Lake Comment
  UC89539  Madia citriodora K. Brandegee May 1883 Placer Roseville Comment
  CAS-BOT-BC343776  Madia elegans J. Clausen 1932-9-16 652 Placer 5.1 miles southwest of Auburn, along the Gold Hill Road to Lincoln Comment
  CHSC73019  Madia glomerata L. P. Janeway 1998-8-6 5981 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  JEPS126382  Madia glomerata Steve Matson 2002-7-14 568 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards south of Highway 267 and 200 yards west of junction of Creek and 267. Comment
  POM194885  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco, on the west slope of the Sierra Nevada Comment
  UCD158895  Madia glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-18 s.n. Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD42932  Madia glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 301 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS119434  Madia gracilis George K. Helmkamp, Ann Kerchner, Amy Barnes 2011-7-26 17855 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 Comment
  SD81181  Madia gracilis Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill. 1095 Comment
  CAS-BOT-BC343246  Madia gracilis Clarence R. Quick 1962-5-24 62 -6 Placer Institute of Forest Genetics, 2 - 3 miles northeast of Placerville Comment
  POM52138  Madia minima Harriet Ann Walker 1910-06 2036 Placer Deer Park, in the Lake Tahoe district Comment
  CDA15885  Madia minima G. F. Hrusa, L. Serafini 1993-6-29 11259 Placer S side of French Meadows Reservoir immediately below dam. Comment
  UCD139055  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer ca. 1 mile east of Baxter. Comment
  UCD150497  Maianthemum racemosum James A. Neilson Jr. 1971-7-6 2221 Placer Tahoe Basin, lower Ward Valley. 1905 Comment
  CAS-BOT-BC508530  Maianthemum racemosum subsp. amplexicaule M. E. Parsons 1909-1-1 s.n. Placer Lake Tahoe Region Comment
  UCR171021  Malus sylvestris George K. Helmkamp, E. A. Helmkamp 2006-2-9 10056 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  JEPS74306  Marah fabacea John Thomas Howell, Gordon H. True 1972-3-17 7074 Placer 1 1/2 mi w Lincoln (just s of Auburn Ravine) 48 Comment
  SEINET8551152  Marah fabacea D. Henrikson 1964-3-21 s.n. Placer Placerville. Comment
  POM68334  Marah watsonii Mary E. P. Ames 1891-04 s.n. Placer Auburn [Bottom of printed label:Taylorsville, Indian Valley, Plumas Co.] 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
  UCD22011  Medicago lupulina Beth Lowe Corbin 1982-8-13 347 Placer 1/2 mile west of The Cedars. In damp, fine, sandy, soil in meadow. Flowers yellow. Mostly sun. West facing slope, 10% incline. Common. 1722 Comment
  SEINET13203265 Image available Medicago orbicularis George K. Helmkamp, Amy Barnes 2013-1 20234 Placer Eastern Sacramento Valley: NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 (Sheridan 7.5' Q.) 43 Comment
  UCD107829  Medicago polymorpha G. 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
  UCD14576  Melica aristata Dale Christensen 1983-6-14 s.n. Placer California, Placer Co.; Foresthill. Comment
  UCD86450  Melica californica Beecher Crampton 1957-5-7 3980 Placer 3.2 miles north of city of Roseville, along railroad and U.S. Highway 99E. Comment
  SACT001502  Melica californica Josephine Van Ess 1980-5-7 Placer Collected about 1 mile east of highway 49. roadside serpentine area. 4146.0 Comment
  SACT001498  Melica californica var. nevadensis Michael Baad 1976-6-3 Placer 1.1 miles east of bridge. 3.3 miles east of Auburn on Old Auburn to Foresthill Road. Southwest facing slope. 217.0 Comment
  SACT001503  Melica californica var. nevadensis Michael Baad 1976-6-3 Placer 1.1 miles east of bridge. 3.3 miles east of Auburn on old Auburn to Foresthill Road. Southeast facing slope. 217.0 Comment
  CAS-BOT-BC282062  Melica fugax 1870-6-17 s.n. Placer Cisco, Sierra Nevada Mts Comment
  CAS-BOT-BC282065  Melica fugax A. A. Heller 1917-6-17 12699 Placer Along the Yuba River below Cisco 1676 Comment
  UCD87288  Melica fugax Mrs. H. P. Kelley 1915-6-15 s.n. Placer Squaw Valley. Comment
  CDA12411  Melica subulata G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8539 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  SACT001550  Melica torreyana Josephine Van Ess 1979-6-5 Placer on bypass; lightly shaded bank 198.2 Comment
  SACT001558  Melica torreyana D. Meyer 1984-6-10 Placer 3.2 km southwest of Colfax, steep shady cliff along slowly moving stream 606.0 Comment
  UCD36655  Melica torreyana Beecher Crampton 1955-6-15 2876 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  SEINET7952660  Mentha X piperita J. Anduso 1972-10-8 s.n. Placer Auburn. 1036 Comment
  JEPS127464  Mentha arvensis Steve Matson 1998-8-15 374 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork. Comment
  JEPS126287  Mentzelia dispersa Steve Matson 1998-6-21 260 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters north of Highway 267. Comment
  JEPS127471  Mentzelia dispersa Steve Matson 1998-6-23 301 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Snow Creek. Comment
  SEINET11978670  Mentzelia dispersa L. S. Rose 1938-1 38269 Placer Truckee River, 3 mi NW of Tahoe City 1829 Comment
  UC108372  Mentzelia dispersa C. F. Sonne 1885-7-11 Placer Sierra Nevada, Truckee Comment
  UC872428  Mentzelia montana Lewis S. Rose 1941-7-12 41313 Placer Lake Tahoe, Chambers Lodge (McKinney) 1920 Comment
  CAS-BOT-BC428678  Micranthes bryophora John Thomas Howell 1943-7-21 18650 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC428681  Micranthes bryophora Richard Mc. P Brown 1961-7-6 s.n. Placer Near Sugar Bowl, Emigrant Meadow 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-BC429027  Micranthes nidifica C. F. Sonne 1884-8-24 90 Placer Sierra Nevada Mts. Above Coldstream Comment
  UCD22368  Micranthes nidifica Rex Palmer 1979-7-12 N 623 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD43912  Micranthes oregana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1278 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC88372  Micropus californicus var. californicus Mrs. K. Brandegee Apr 1883 Placer Roseville Comment
  CAS-BOT-BC348682  Microseris acuminata Gordon H. True 1971-4-21 6525 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  CAS-BOT-BC349323  Microseris nutans L. S. Smith 1926-5-26 1868 A Placer Tahoe National Forest. Duncan Canyon 1676 Comment
  CAS-BOT-BC349328  Microseris nutans Alice Eastwood 1909-1-1 75 Placer Lake Tahoe Region. Sunnyside Comment
  CHSC79682  Microseris nutans G. F. Hrusa; J. Glazner 1999-7-18 15185 Placer Northern California; Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  JEPS111245  Microseris nutans Steve Matson 2005-6-12 1268 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of fencline; 39.2944 N, 120.1261 W; Elevation 5850 ft. 1783 Comment
  POM33641  Microseris nutans Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. 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
  POM75720  Microsteris gracilis subsp. gracilis Marcus E. Jones 1882-6-28 10380 Placer Emigrant Gap. Comment
  RSA0012160  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17688 Placer Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  UCR222571  Mimulus 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 332 Comment
  JEPS4595  Mimulus aurantiacus var. grandiflorus Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, J. Hunziker, D. Zohary, H. Stutz, F. Ehrendorfer 1952-7-20 3893 Placer about 2 mi below and e Forest Hills (along n side of canyon); Canyon of Middle Fork of American River, Volcano Canyon 762 Comment
  UC1278126  Mimulus aurantiacus var. grandiflorus B. Crampton 1955-6-15 2893 Placer 8.5 mi w Iowa Hill (bottom of canyon); Shirttail Canyon Comment
  UCD122317  Mimulus aurantiacus var. grandiflorus F. A. MacFadden 1934-7-2 s.n. Placer American River, Rawhide Mine. Comment
  JEPS87270  Mimulus aurantiacus var. grandiflorus David M. Thompson 1992-6-9 1124 Placer 13.4 mi se Foresthill Road at Forestville (along Mosquito Ridge Road) 750 Comment
  UC26698  Mimulus aurantiacus var. grandiflorus Mrs. M. M. Hardy 1893-1 Placer Comment
  UC193049  Mimulus bicolor C. F. Sonne 1897-5-17 Placer between Towles and Shady Run Comment
  UC980571  Mimulus bicolor Milo S. Baker 1936-6-22 8418 Placer vicinity Gold Run (Hwy. 40) Comment
  CDA15675  Mimulus breweri G. F. Hrusa, J. Glazner 1999-7-18 15225 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UC1063530  Mimulus breweri N. French 1934-6-22 443 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle Comment
  UC163978  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 1800 Comment
  UCD21895  Mimulus breweri Rex Palmer 1979-6-19 N 220 Placer Placer County. Exact loction unknown. Comment
  UC26895  Mimulus cardinalis Mrs. M. M. Hardy 1893-1 Placer near Emigrant Gap Comment
  SCFS5095  Mimulus guttatus F. Felix, Erica Krimmel 2013-5-19 20 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  UC1609530  Mimulus guttatus T. S. Brandegee Sept. 1888 Placer Donner Comment
  UCR190665  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12076 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
  UCR208272  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14638 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  JEPS10944  Mimulus guttatus W. L. Jepson 1938-4-5 18584 Placer 2 mi e Auburn (on Placerville road) Comment
  RSA519035  Mimulus guttatus Barbara J. Ertter, David M. Thompson 1989-4-8 8173 Placer Iowa Creek Road, ca 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing. 518 Comment
Read comments
Jun 25 2013
  UC27118  Mimulus kelloggii H. N. Bolander 1865-4-10 4521 Placer Auburn Comment
  UCD75957  Mimulus leptaleus Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5212 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. 2270 Comment
  SEINET7719539  Mimulus lewisii Unknown 1888-7-16 Placer Summit Comment
  UC725532  Mimulus microphyllus A. A. Heller 1941-5-10 16120 Placer 1 mi n Lincoln (along U. S. Highway #99E) Comment
  UCD21891  Mimulus moschatus Rex Palmer 1979-7-9 N 436 Placer Onion Creek meadow #2. Comment
  UCD75693  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5142 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
  UCR233457  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18187 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
  UC124419  Mimulus nasutus A. Kellogg 1870-1-1 Placer Cisco Comment
  UC194065  Mimulus tilingii C. F. Sonne 1886-8-16 Placer above Coldstream 2590 Comment
  SCFS5066  Mimulus torreyi E. Krimmel 2014-6-26 Placer Above NF river on north side, not far above Heath Falls overlook Comment
  UC485725  Minuartia californica Milo S. Baker 1900-2-11 Placer near Auburn Comment
  CAS-BOT-BC174569  Minuartia californica Frank Tweedy s.n. Placer Unspecified Comment
  UC465579  Minuartia californica Francis Ramaley 1917-4-13 11105 Placer Lincoln Comment
  UCD98271  Minuartia douglasii Gurdev S. Khush 1959-5-10 18 Placer US Highway 40, 1.5 miles nortehast of Clipper Gap. 426 Comment
  CAS-BOT-BC432975  Mitella breweri A. A. Heller 1909-7-16 9833 Placer Summit 2133 Comment
  CAS-BOT-BC432974  Mitella breweri James R. Shevock 1979-6-23 6267 Placer The Sierra Nevada. Along the Yuba River adjacent to Interstate 80. Tahoe National Forest. 1828 Comment
  RSA320412  Mitella breweri James R. Shevock 1979-6-23 6267 Placer Along the Yuba River adjacent to Interstate 80. Tahoe National Forest. 1829 Comment
  SEINET12272517  Monardella candicans M. E. Jones 1882-1 3458 Placer Colfax Comment
  CAS-BOT-BC318583  Monardella odoratissima A. A. Heller 1919-7-26 13320 Placer Donner pass. 2194 Comment
  CDA12413  Monardella odoratissima G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8541 Ab Placer Lake Tahoe; W end of Ward Valley on N side, 4 mi SW of Tahoe City. Comment
  UCD22029  Monardella odoratissima subsp. glauca Beth Lowe Corbin 1982-8-2 163 Placer Onion Creek campground. In dry drainageway, of fine, sandy, granitic soil. Subshrub 1' high, with pale purplish to whitish flowers, and strong mint odor. Mostly sun. South facing slope. Uncommon. 1841 Comment
  JEPS63371  Monardella odoratissima subsp. pallida Leland S. Smith 1925-8-13 1704 Placer Ridge south Glenn Mine; Tahoe Forest 1859 Comment
  UC883618  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1934-7-8 Placer Cisco, 10 miles west of Donner Summit Comment
  UCR200859  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2008-9-15 14103 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  JEPS82037  Montia fontana Gladys L. Smith 1982-6-24 7425 Placer near Squaw Valley (Goose Meadow, along Rte 89); Goose Meadow Comment
  CAS-BOT-BC260646  Muhlenbergia filiformis L. R. Abrams 1917-9-16 6771 Placer Emigrant Gap to Cisco Comment
  JEPS103487  Muhlenbergia filiformis Lowell Ahart 2002-7-22 9905 Placer On the S side 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. 1773 Comment
  RSA129350  Muhlenbergia filiformis B. Bolt 1934-7-20 155 Placer Whiskey Hill. 1646 Comment
  UCD42869  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 236 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD75748  Muhlenbergia filiformis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5214 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. 2270 Comment
  UCD149725  Muhlenbergia montana G. Ledyard Stebbins 1977-7-9 7768 Placer Along trail from McKinistry Lake to Rubicon River. (Exact location unknown. Coordinates estimated by label maker.) 1767 Comment
  UC518941  Muhlenbergia rigens David D. Keck 1933-6-1 2439 Placer s Roseville (near Sacramento-Placer Co. line) Comment
  UCR240921  Myosotis scorpioides George K. Helmkamp, E. A. Helmkamp 2012-6-19 19248 Placer Northern Sierra Nevada Mountains, Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road 2040 Comment
  UCD102565  Myriophyllum spicatum John D. Madsen; David F. Spencer 1996-4-2 s.n. Placer From Truckee River, adjacent to California Highway 89, approximately 150 to 300 m downstream of the River Road Trade Center. Comment
  SD243157  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16641 Placer Northern Sierra Nevada Mountains: Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road. 1566 Comment
  UC1069125  Nama lobbii H. S. Yates 1936-8-8 5980 Placer near Meeks Bay; Truckee Quad., near Meeks Bay Comment
  SEINET8731508 Image available Nama lobbii Margaret J. Williams 1984-1 84- 64 -2 Placer East side of Hwy 20 near the intersection with the Diamond Creek Road. Elev. : 5400 ft. 1646 Comment
  UC1153925  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer 6.8 mi n Roseville (valley plain); Whitney Ranch Comment
  UCD48379  Navarretia aeroides Beecher Crampton 1955-6-15 2921 Placer 10 miles west of Forest Hill. Comment
  CHSC82630  Navarretia capillaris Lowell Ahart 2002-7-22 9893 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
  UC163971  Navarretia capillaris Mrs. Carlotta C. Hall 1910-6-25 8710 Placer Cisco 1850 Comment
  JEPS71473  Navarretia divaricata Gladys L. Smith 1972-6-20 3265 a Placer Wark Peak, just below summit Ward Peak 2590 Comment
  UCD21616  Navarretia divaricata E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1265 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
  UCD21972  Navarretia divaricata Beth Lowe Corbin 1982-8-18 366 Placer 1 mile SW of The Cedars. In sandy, disturbed soil along logging road in White Fir forest. Flowers white, aging to pink. Ful lsun. NE facing slope, 20% incline. Common. 1828 Comment
  JEPS111177  Navarretia divaricata subsp. divaricata Steve Matson 2005-7-4 1363 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), 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
  JEPS127407  Navarretia divaricata subsp. divaricata Steve Matson 1998-6-21 267 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area north side of Highway 267, east of Martis Creek. Comment
  UC1124124 Image available Navarretia divaricata subsp. divaricata G. T. Nordstrom 1934-6-21 150 Placer .4 mi W.N.W of Mammoth Springs; Tahoe National Forest, Colfax Quad. Comment
  JEPS70275  Navarretia eriocephala R. E. Arp 1932-4-28 6 Placer Roseville Comment
  UC1040678  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer 3 mi n Roseville- (U.S. Hwy 99 E) Comment
  SEINET3861932  Navarretia intertexta Genevieve K. Walden 2009-6-25 210 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  UC614895  Navarretia intertexta Beryl O. Schreiber 1934-7-4 1187 Placer 6 mi e Lookout Comment
  JEPS127410  Navarretia intertexta subsp. propinqua Steve Matson 1998-6-27 303 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area north side of Highway 267, just west of Martis Creek. Comment
  JEPS127418  Navarretia leptalea subsp. leptalea Steve Matson 2003-7-4 825 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters south of Martis Dam Road, 20 meters north of airport creek., 200 meters NW of vernal pools north of Highway 267. 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
  SD243177  Navarretia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs road at Robinson Flat. Roadside. 2040 Comment
  UC449816  Navarretia leucocephala subsp. minima Francis Ramaley 1917-4-14 11113 Placer Lincoln Comment
  SEINET14152717  Navarretia linearifolia subsp. linearifolia F. H. Hillman s. n. Placer [Sierra Nevada] Between Truckee and Lake Tahoe Comment
  JEPS70437  Navarretia pubescens W. H. Shockley Jun 1886 Placer Auburn Comment
  UCD34170  Navarretia pubescens Beecher Crampton 1977-7-2 9511 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  UCD15172  Nemophila heterophylla Phyllis Adams 1982-4-24 20 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 365 Comment
  UC131444  Nemophila maculata Katharine Brandegee 1905-8-6 Placer Alta Trail 2590 Comment
  SEINET6744641 Image available Nemophila parviflora Marcus E. Jones 1882-1 2816 Placer Emigrant Gap, California 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
  POM73897  Nemophila spatulata Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. 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
  UCR231857  Notholithocarpus densiflorus var. echinoides George K. Helmkamp, E. A. Helmkamp 2010-8-11 16762 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UC169244  Oenothera cespitosa subsp. marginata Katharine Brandegee June 1913 2047 K Placer Canyon of the Truckee Comment
  UCD124132  Oenothera elata subsp. hirsutissima Ellen Dean; Marcel Rejmanek 2012-10-9 7506 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
  UCD43866  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1232 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 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-BC500308  Orobanche uniflora subsp. occidentalis Alice Eastwood 1909-8-1 267 Placer Deer Park Comment
  JEPS72698  Orogenia fusiformis Gladys L. Smith and Betsy Smith June 1971 3037 Placer 5 mi. w. Lake Tahoe (Alpine Meadows, foot of Ward Peak); Ward Peak, Alpine Meadows 2438 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
  UC1438187  Orogenia fusiformis L. Constance and Betsy Wilson 1978-5-12 3894 Placer 5 mi. s. Trackee (Goose Meadows Campground in Truckee R. Valley); Sierra Nevada, Truckee R. Valley, Goose Meadows Campground 1828 Comment
  CAS-BOT-BC458057  Orthilia secunda C. F. Sonne 1885-10-11 209 Placer Sierra Nevada Mts: Summit at Lake Angeline Comment
  CAS-BOT-BC458059  Orthilia secunda Elizabeth Parsons Hawver 1912-8-17 s.n. Placer Lake Tahoe Region: Donner Lake Comment
  JEPS86485  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6565 Placer ca 5 mi se Donner Lake (below Ada's Rock, sw slope of Tinker Knob, Sherman Chickering's Soda Springs holdings); se of Donner Lake, sw slope of Tinker Knob 2407 Comment
  UCD21898  Orthocarpus cuspidatus subsp. cryptanthus Beth Lowe Corbin 1982-8-4 241 Placer 1 1/2 mile north of Onion Creek campground. 2255 Comment
  SEINET3159771  Orthocarpus pilosus G. B. Grant 1906-7-25 887 Placer Lake Tahoe, Sierra Nevada Mts. Tallac 1890 Comment
  UCSB17656  Osmorhiza brachypoda Hardham, Clare 1961-6-14 Placer Rte. 40 Baxter Comment
  UC1058498  Osmorhiza occidentalis Peter H. Raven 1958-6-14 13208 Placer Donner Pass; w side 2164 Comment
  UCD128393  Osmorhiza occidentalis Albert Grigarick 2012-7-7 325 Placer Tahoe Rim Trail. Approx. 2 mi S of Martis Peak Lookout. 2332 Comment
  UCD43287  Osmorhiza occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 655 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD75741  Osmorhiza occidentalis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5204 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
  UCD33749  Panicum acuminatum var. fasciculatum Beecher Crampton 1972-7-26 8863 Placer Gold Run, rest stop along Interstate 80. 914 Comment
  UCD88208  Panicum acuminatum var. fasciculatum Beecher Crampton 1952-11-9 917 Placer 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  CHSC81854  Panicum capillare Lowell Ahart 2001-10-10 9342 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 a 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  SACT001652  Panicum pacificum Josephine Van Ess 1977-9-16 Placer 365.8 Comment
  POM142851  Parnassia fimbriata Allen M. Carpenter 1892-1 s.n. Placer [Unspecified] Comment
  UCD37739  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. Comment
  UCR253806  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20093 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  CAS-BOT-BC259737  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile N of Lincoln Comment
  CDA42833  Paspalum distichum G. F. Hrusa, M. Pitcairn 2015-7-16 18656 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 231 Comment
  UC791002  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mi n Lincoln Comment
  RSA0030825  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln. Comment
  UCD123300  Pedicularis semibarbata Nancy L. Leman 1973-5-27 215 Placer Placer County Grove Sierra Redwoods, ca. 30 miles east of Foresthill via Mosquito Ridge Road. Comment
  RSA686808  Pellaea brachyptera May N. Ackley 1925-06 77 Placer Near Emigrant Gap 1677 Comment
  UCD23227  Pellaea brachyptera Beth Lowe Corbin 1982-8-9 288 Placer 2/3 mile southwest of Onion Creek campground. 1767 Comment
  JEPS74224  Pellaea breweri Gladys L. Smith and Betsy Wilson 1972-6-21 3194 Placer Scott Peak Comment
  CHSC32010  Pellaea bridgesii L. Ahart 1972-6-28 127 Placer French Meadows. 1524 Comment
  JEPS73135  Pellaea bridgesii Gladys L. Smith 1972-6-20 3269 Placer Ward Peak 2286 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
  CAS-BOT-BC67604  Pellaea bridgesii David D. Keck 1932-6-30 1573 Placer Sierra Nevada - 1 mile E. of Cisco. 1798 Comment
  UCD34550  Penstemon Beecher Crampton 1985-6-23 9995 Placer North Shore Lake Tahoe, Stateline road. Comment
  NY571130  Penstemon azureus var. angustissimus M. E. Jones 1882-7-3 3437 Placer Colfax Comment
  SD241190  Penstemon azureus var. angustissimus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17683 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road (Foresthill 7.5'Q) 883 Comment
  JEPS111301  Penstemon azureus var. azureus Steve Matson 2005-8-7 1452 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.8 km NW of Silver Peak at northeast corner of flatter area near Bradley Hut; 39.2312 N, 120.2615 W; elev. 7,700 ft. 2346 Comment
  NY571189  Penstemon azureus var. azureus H. M. Hall 1910-6-19 8702 Placer Cisco, in the Transition Zone 1800 Comment
  NY571177  Penstemon azureus var. azureus D. C. Michener 1981-7-16 4010 Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  SEINET5326488 Image available Penstemon azureus var. azureus M. J. Williams 1985-7-13 85- 62 -2 Placer Near the beginning of the Pacific Crest Trail, near summit of old Donner Hwy. Sierra Nevada 2152 Comment
  RSA780095  Penstemon breviflorus subsp. glabrisepalus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. 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
  JEPS57362  Penstemon heterophyllus var. heterophyllus L. R. Heckard 1968-5-29 1921 Placer along Lake Clementine Road ca 1/2 mi from its junction with the Foresthill Road ((se of Auburn)); se of Auburn, along Lake Clementine Rd 487 Comment
Read comments
Nov 20 2007
  SCFS1157  Penstemon laetus E. Krimmel 2013-7-26 Placer NFAm. Swimming Hole Trail. Rocky overlook. Comment
  HSC21008  Penstemon laetus subsp. laetus L. S. Rose 1968-6-9 68070 Placer Alta 1067 Comment
  SD243212  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18190 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
  SCFS5098  Penstemon newberryi F. Felix, Erica Krimmel 2013-5-19 23 Placer North Fork American River, 0.5 mile east Heath Falls overlook, on trail Comment
  UC1341757  Penstemon newberryi var. newberryi Noel H. Holmgren, James L. Reveal 1966-7-19 2907 Placer 1 1/2 mi E of Norden (along old US 40, S of Hwy) Comment
  UC194353  Penstemon newberryi var. newberryi C. F. Sonne 1884-1 Placer near Donner Lake Comment
  UC397383  Penstemon newberryi var. newberryi Katharine Brandegee Aug 1914-Aug 1917 Placer Cisco Comment
  SD113665  Penstemon roezlii Darley F. Howe 1971-7-2 4762 Placer Hillside by Truckee River 8 miles south of Truckee 1829 Comment
  CAS-BOT-BC239575  Penstemon rydbergii var. oreocharis M. S. Jussel 1928-6-25 s.n. Placer Tahoe City Comment
  CHSC74003  Penstemon rydbergii var. oreocharis Susi Urie 1998-9-1 98 -198 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 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
  UCD44683  Penstemon rydbergii var. oreocharis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2049 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  RSA35113  Penstemon speciosus L. S. Rose 1944-7-12 44083 Placer Chamber Lodge, Lake Tahoe. 1921 Comment
  UCR240904  Penstemon speciosus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19226 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  SCFS1219  Perideridia E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top meadow, 7500-ft. Comment
  UCSB32267  Perideridia bolanderi Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CDA13689  Perideridia lemmonii G. F. Hrusa, J. Glazner 1997-8-3 14049 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC73908  Perideridia lemmonii Susi Urie 1998-9-1 98 -192 Placer Lake Tahoe Basin--National Forest. Below Hwy 28, between the highway and lake Forest Road; about 0.3 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  UCR201935  Perideridia lemmonii George K. Helmkamp, E. A. Helmkamp 2008-8-20 14032 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
  UC1389949  Perideridia lemmonii T. I. Chuang and L. Constance 1964-7-2 5962 Placer 1.5 mi nw Colfax Comment
  CHSC74185  Perideridia parishii subsp. latifolia Susie Urie; Eric Schroder 1998-9-8 98 -281 Placer On north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD42830  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 196 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SD237399  Petrorhagia dubia G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15934 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  UCD41261  Phacelia egena Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1718 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  OBI82266  Phacelia heterophylla subsp. virgata George K. Helmkamp, Mary Alice Barnes 2013-5-3 20487 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
  RSA145541  Phacelia humilis var. humilis E. R. Blakley 3816 Placer Kings Beach Lake Tahoe. 1905 Comment
  UC956796  Phacelia imbricata L. Constance 1951-5-20 3378 Placer on Loomis rd 4.5 mi n Folsom; Sacramento Valley 91 Comment
  JEPS21168  Phacelia marcescens N. French 1934-5-24 362 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  UC881156  Phacelia marcescens Lewis S. Rose 1940-5-29 40410 Placer 3 mi ne Emigrant Gap 1676 Comment
  UCD149513  Phacelia marcescens G. L. Stebbins 1970-7-12 7050 Placer 2 miles north of Alta, Bear River Canyon. (Exact location unknown. Coordinates estimated by label maker.) 1097 Comment
  CAS-BOT-BC226910  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
  POM296650  Phacelia mutabilis L. S. Rose 1941-7-11 41311 Placer Chambers Lodge (McKinney), Lake Tahoe. 1951 Comment
  UCR233398  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2011-8-26 18175 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  RSA42327  Phacelia mutabilis Lincoln Constance 1946-7-2 3094 Placer Above Truckee River 1 mile southeast of Squaw Creek. 1829 Comment
  RSA0009687  Phacelia procera Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC107463  Phacelia racemosa A. Kellogg July 1870 Placer Summit Comment
  UC881202  Phacelia racemosa Alice Eastwood 1909-1 229 Placer Squaw Creek Lake Tahoe Region Comment
  JEPS71503  Phacelia ramosissima Gladys L. Smith 1972-6-20 3246 Placer steep slope just below Ward Peak summit 2628 Comment
  UCD120687  Phacelia stebbinsii G. L. Stebbins 1977-7-8 7761 Placer East side of McKinistry Peak. 2316 Comment
  SACT001697  Phalaris arundinacea Michael Baad 1976-6-17 Placer Flood plain of river, Royal Gorge-Wabena Creek to Wild Creek to Wild Cat Canyon. Comment
  SACT001709  Phalaris lemmonii D. Meyer 1983-5-15 Placer Field at Southeast corner. 36.6 Comment
  CDA42826  Philadelphus lewisii G. F. Hrusa, M. Pitcairn 2015-7-16 18649 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  SBBG120612  Philadelphus lewisii G. K. Helmkamp with E. A. Helmkamp 2006-6-14 10705 Placer 0.2 mi N of Forest Hill Rd on unnamed rd to Lake Clementine (general area NE of Auburn on Forest Hill Divide) 488 Comment
  UC565948  Philadelphus lewisii N. French and A. E. Wieslander 1933-6-18 79 Placer Middle Fork of American River Placerville Quadrangle 457 Comment
  CHSC74048  Phleum alpinum Susi Urie 1998-8-25 98 096 B Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD44700  Phleum pratense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2066 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  RSA654891  Phleum pratense G. Fred Hrusa, J. Glazner 1997-8-3 14023 Placer Corner of Hwy 89 & Squaw Valley Road., 39 deg 12' N, 120 deg 12' W. 2000 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
  UC1124170  Phlox diffusa N. French 1934-6-17 417 Placer Lock Leven Lakes Tahoe National Forest, Truckee Quad. 2194 Comment
  UC480746  Phlox diffusa W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Lake Tahoe Region Comment
  UC23908  Phlox diffusa A. M. Carpenter 1893-8 Placer 2286 Comment
  JEPS59367  Phlox douglasii subsp. rigida Ezra Brainerd and Viola B. Baird 1915-7-15 116 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  UC880431  Phlox douglasii subsp. rigida Alice Eastwood Jun 15 1912-Jun 19 1912 426 Placer Deer Park Lake Tahoe Region Comment
Read comments
Aug 15 2009
  RSA794813  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2011-8-26 18173 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UCD75738  Phoenicaulis cheiranthoides Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5201 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
  CHSC81827  Phoradendron densum Lowell Ahart 2001-10-10 9336 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
  CAS-BOT-BC135092  Phoradendron juniperinum Ira L. Wiggins 1930-10-12 5084 Placer near Cisco 1981 Comment
  SEINET10327162  Phoradendron serotinum subsp. macrophyllum J. Prida 1972-10-8 s.n. Placer 5 miles S of Auburn, roadside. 518 Comment
  CAS-BOT-BC58832  Phyllodoce breweri Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Lake Tahoe - upper meadow, Madden Creek Meadows 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
  UCD21481  Phyllodoce breweri Rex Palmer 1979-7-11 N 568 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR253539  Physalis lancifolia George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20087 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 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
  CHSC84562  Pilularia americana John Dittes 2003-5-25 2003 -21 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  UC1021595  Pilularia americana W. A. Weber 1953-5-19 8396 Placer 5 mi n Roseville (on rd. to Lincoln) 45 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
  CAS-BOT-BC78462  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit [valley] Valley 2118 Comment
  UC338318  Pinus sabiniana unknown Placer Auburn Aubutn Comment
  SEINET5334784  Pinus sabiniana W. Priest 1956-4-7 s.n. Placer On Calif. Highway 49, about 10 miles north of Auburn 610 Comment
  SCFS1164  Piperia E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Meadow. Comment
  UCD34186  Pistacia atlantica Beecher Crampton 1977-9-30 9532 Placer Placer County, Applegate. Comment
  UCR146680  Pistacia atlantica Beecher Crampton 1972-9-28 8879 Placer Sacramento Valley, Applegate 579 Comment
  POM260091  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer 1 mile west of Baxter Comment
  UCD120824  Plagiobothrys fulvus var. campestris M. H. Mills 1996-4-12 134 Placer Corner of Eden Oaks Circle and Walden Lane, Loomis. 180 Comment
  CAS-BOT-BC230954  Plagiobothrys hispidulus Geo. B. Grant 1906-8-1 6932 Placer About Lake Tahoe Comment
  CAS-BOT-BC230940  Plagiobothrys hispidulus John Thomas Howell 1938-8-2 14007 Placer 5 miles N of Brockway Comment
  SD44645  Plagiobothrys trachycarpus Darley F. Howe 1951-5-1 2105 Placer 456 Comment
  SBBG128602  Plagiobothrys undulatus G. K. Helmkamp, E. A. Helmkamp 2011-5-12 17255 Placer S of Lincoln along Athens Ave, 1.6 mi E of Fiddyment Rd, 0.6 mi W of Industrial Ave 41 Comment
  CAS-BOT-BC257797  Plantago coronopus George K. Helmkamp; E. A. Helmkamp 2012-3-31 18650 Placer Sacramento Valley: along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UCD34137  Plantago erecta Beecher Crampton 1977-4-3 9461 Placer 3.5 miles north of Auburn, just east of Elder's Corner on Dry Creek Road. Comment
  CDA36964  Plantago lanceolata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CHSC81805  Plantago major Lowell Ahart 2001-10-10 9337 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
  UCD44022  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1388 Placer Lake Tahoe Basin. Comment
  UCD44533  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1899 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR231817  Platanthera dilatata var. leucostachys George K. Helmkamp, E. A. Helmkamp 2010-8-14 16793 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
  UCR208264  Plectritis brachystemon George K. Helmkamp, E. A. Helmkamp 2009-5-7 14631 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCD15637  Plectritis macrocera R. B. Kelley 1985-5-12 186 Placer Stevens Trail, at end of North Canyon Rd, near Colfax. 633 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
  UCD21921  Pleuricospora fimbriolata Beth Lowe Corbin 1982-8-10 292 Placer 3/4 mile WSW of Onion Creek campground. In fine, sandy and organic soil. Small meadow in White Fir forest. Plant completely white, colorless. Partial sun. SE facing slope, 10% incline. Rare. 2023 Comment
  SEINET3440029 Image available Poa George K. Helmkamp, E. A. Helmkamp 2012-5-5 18918 Placer Northern Sierra Nevada Mountains Foothills: Lake Clementine Road, 1.2 mi W of its junction with Foresthill Road, 0.3 air mi SE of Clementine Dam on the American River 396 Comment
  CAS-BOT-BC244351  Poa annua L. S. Smith 1926-4-11 1778 Placer Forest Hill Divide, road to Sugar Pass 1097 Comment
  CAS-BOT-BC244374  Poa annua Saichi Kawahara 1969-7-6 1420 Placer W of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001785  Poa annua Josephine Van Ess 1976-3-15 Placer Collected just west of Barton Road. Edge of orchard. 103.7 Comment
  CAS-BOT-BC254758  Poa bolanderi Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  CAS-BOT-BC254763  Poa bolanderi Lewis S. Rose 1944-7-26 44269 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  SACT001802  Poa bolanderi James Grove 1977-7-15 Placer 2000.0 Comment
  SACT001803  Poa bolanderi James Grove 1977-7-15 Placer 2000.0 Comment
  UCD21589  Poa bolanderi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1252 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
  UCD90549  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer north of Summit hotel. 2164 Comment
  UCD90682  Poa bulbosa Walter H. Johnson 1961-4-4 s.n. Placer 3 miles E of Lincoln. 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
  UCD37041  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Placer County, Blue Canyon. 1432 Comment
  SACT001841  Poa fendleriana Michael Baad 1983-8-11 Placer 4.8 km owest of Alpine Meadows. 2133.6 Comment
  SACT001858  Poa incurva D. Meyer 1983-8-20 Placer Collected from road to summit at first lake steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT001879  Poa nevadensis D. Meyer 1983-8-7 Placer Southeast of county line on roadside. 1758.0 Comment
  UCD37045  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Placer County, 0.75 mile west of Blue Canyon. Comment
  UCD38668  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Blue Canyon. 1432 Comment
  CAS-BOT-BC247370  Poa pratensis W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  SACT001910  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot mist streambank and meadow. 1879.0 Comment
  SACT001928  Poa pratensis D. Meyer 1984-8-26 Placer 1818.0 Comment
  SACT001946  Poa pratensis D. Meyer 1984-6-23 Placer 22.2 km from I80 Frontage Road. 978.0 Comment
  SACT001949  Poa pratensis D. Meyer 1984-6-17 Placer 667.0 Comment
  SACT001989  Poa scabrella Michael Baad 1977-6-8 Placer 3.2 km northeast of Brushy Springs Station, ridge northeast of center of crater area. Overlooking the south rim of the Middle Fork of the American River. 1219.2 Comment
  SACT001990  Poa scabrella Michael Baad 1977-6-3 Placer Roadside serpentine outcrop, 0.5 miles west of Sugar Pine Ranger Station 1164.0 Comment
  SACT002011  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  SEINET2470934  Poa secunda K. Christie 2010-6-30 1875 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
  CAS-BOT-BC242951  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC242957  Poa secunda subsp. secunda Marcus E. Jones 1882-6-28 11384 Placer Emigrant Gap Comment
  CAS-BOT-BC244281  Podagrostis humilis Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  CHSC114668  Pogogyne serpylloides CDFA Staff 1999-4-28 Placer Dry Creek. Comment
  CHSC96500  Pogogyne zizyphoroides Lowell Ahart; Brian Williams 2007-4-13 13650 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
  CHSC72882  Polemonium occidentale L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5765 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  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-BC170302  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax 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
  CAS-BOT-BC170305  Polygala cornuta var. cornuta Isabel McCracken 1938-7-2 s.n. Placer Dutch Flat Comment
  UC615110  Polygala cornuta var. cornuta Beryl O. Schreiber 1933-7-19 869 Placer 15 mi above Colfax Comment
  UCR231848  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2010-8-11 16755 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  CAS-BOT-BC109146  Polygonum bolanderi Rimo Bacigalupi 1952-7-19 3853 Placer Into the North Fork of the American River, below Cape Horn, 0.5 mile above bridge on the Colfax-Iowa Hill road. 381 Comment
  JEPS14355  Polygonum bolanderi Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-19 3853 Placer peninsula jutting out into North Fork of the American River (below Cape Horn, 1/2 mi above bridge on Colfax-Iowa Hill road) 381 Comment
  JEPS50533  Polygonum davisiae C. F. Sonne 1888-7-29 292 Placer Bear Creek; top Comment
  RSA97516  Polygonum douglasii Beecher Crampton 1955-7-13 3015 Placer Placer-Nevada County border, along Hwy 20, 1.5 miles N of Emigrant Gap. 1372 Comment
  UC1101141  Polygonum lapathifolium Malcolm A. Nobs and S. Galen Smith 1949-8-21 1505 Placer marsh between Sandy Beach and Agate Bay (n end of lake); Lake Tahoe Comment
  UC702888  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1941-7-18 41324 Placer Chambers Lodge (McKinney) Lake Tahoe 1920 Comment
  CAS-BOT-BC420032  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1963-7-11 39831 Placer Near Chambers Lodge, Tahoma 1915 Comment
  CAS-BOT-BC420035  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1906-7-24 445 Placer Lake Tahoe Region. Road to Lily L. Comment
  JEPS126272  Polygonum ramosissimum subsp. prolificum Steve Matson 2002-7-12 561 Placer Tahoe north shore: Snow Creek Watershed, Tahoe Vista/Kings Beach; on west side off pond near Highway 28. Comment
  RSA689953  Polypodium californicum Elizabeth Flint 1930-1 103 Placer Near Penryn 244 Comment
  UCD80607  Polypogon australis CNPS SN Foothill Team 2006-6-7 SNNR 0893 Placer Private property. 239 Comment
  SACT002031  Polypogon monspeliensis Michael Baad 1977-6-9 Placer Collected at junction of Middle Fork of American River and Rubicon River 365.76 Comment
  SD58160  Polystichum imbricans subsp. imbricans Matt Herbrand 1917-12-20 Placer 1525 Comment
  SEINET6409481  Polystichum lemmonii W. Dakan 1976-6-1 s.n. Placer Sierra Nevada, near Bucks Lake 1585 Comment
  UCD138239  Potamogeton natans Malcolm A. Nobs; S. Galen Smith 1949-8-21 1512 Placer between Sandy Beach and Agate Bay, north end of Lake Tahoe. Comment
  UC66116  Potentilla fruticosa P. B. Kennedy and S. B. Doten 1901-8-10 275 Placer Near summit of Tinkers Knob. Summit of Soda Springs. 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
  JEPS59375  Potentilla gracilis Ezra Brainerd and Viola B. Baird 1915-7-7 123 Placer Squaw Valley near forester's house; Sierra Nevada Mts., Squaw Valley 1920 Comment
  UCD113901  Potentilla gracilis var. fastigiata Beecher Crampton 1972-7-26 8839 Placer Carpenter Flat, east of Emigrant Gap. 1645 Comment
  UCR229457  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17895 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
  CDA12395  Primula suffrutescens G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8523 A Placer Lake Tahoe; W end of Ward Valley, 4 miles SW of Tahoe City. Comment
  SCFS1050  Primula suffrutescens E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  CDA27763  Prosopis glandulosa var. torreyana M. K. Bellue, F. Clark 1945-10-11 Placer Railroad yards, Southern Pacific, Roseville. 0 Comment
  JEPS127463  Prunella vulgaris var. lanceolata Steve Matson 1997-7-9 131 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  CAS-BOT-BC163059  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer Near the Yuba River below Cisco 1676 Comment
  JEPS127446  Prunus emarginata Steve Matson 1998-6-24 287 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  SD235010  Prunus emarginata G. K. Helmkamp, E. A Helmkamp 2008-8-20 14028 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and East of Norden (Norden 7.5' Q) 2149 Comment
  UCR201929  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14028 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  UCR39504  Prunus emarginata George Oldfield 1985-8-12 5100 Placer Sierra Nevada Mtns., Along I-80 near Blue Canyon, c. 30 to 35 miles NE of Auburn 1555 Comment
  JEPS127550  Prunus virginiana subsp. demissa Steve Matson 1998-6-15 272 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, along east Martis Creek. Comment
  UCD41459  Pseudobahia heermannii Ellen Dean; Davis Botanical Society 2003-5-17 1757 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main Street. 1066 Comment
  UCR170815  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2005-9-30 9955 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR206875  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2009-7-16 15199 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  POM101684  Pseudostellaria sierrae Marcus E. Jones 1882-6-28 3287 Placer Emigrant Gap. Comment
  UC1125784  Pseudostellaria sierrae B. Bolt 1934-7-19 146 Placer 1 mile N of Tadpole Springs 1981 Comment
  POM177611  Pseudotsuga menziesii I. L. Wiggins 1930-10-12 5083 Placer Near Cisco. 1982 Comment
  SEINET5334801  Pseudotsuga menziesii var. menziesii W. D. Billings 1940-5-18 1316 Placer Gold Run Comment
  SFV10346  Psilocarphus brevissimus M. L. Vincent 1963-6-5 368 Placer 5 miles north of Roseville. Comment
  JEPS111247  Psilocarphus brevissimus var. brevissimus Steve Matson 2005-6-11 1259 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3016 N, 120.1324 W; Elevation 5835 ft. 1778 Comment
  CAS-BOT-BC361710  Psilocarphus brevissimus var. brevissimus Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  JEPS18159  Psilocarphus oregonus Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-20 5630 Placer along Antelope-Roseville road, at Sacramento-Placer County line 42 Comment
  UC192995  Ptelea crenulata C. F. Sonne 1891-5-17 Placer Auburn Comment
  UCD136172  Pteridium aquilinum var. pubescens W. R. Russell 1958-9-8 s.n. Placer Along U.S. Highway 40, ca. 1 mile east of Baxter. 1219 Comment
  UCD91532  Puccinellia distans Beecher Crampton 1967-7-26 8155 Placer Near Nevada County line in Kingvale on Interstate 80. 1950 Comment
  JEPS129002  Purshia tridentata var. tridentata Steve Matson 1998-6-14 255 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, east of Martis Creek. Comment
  JEPS71933  Purshia tridentata var. tridentata Gladys L. Smith 1972-6-20 3198 Placer Ward Peak; about terminus of Summit chairlift 2621 Comment
  JEPS126342  Pyrola picta Steve Matson 1998-7-28 350 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; above West Fork of Snow Creek. Comment
  UC412731  Pyrola picta J. A. DeCow 1900-8-5 454 Placer Tahoe, McKinneys Tahoe; , McKinneys 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
  CAS-BOT-BC62474  Quercus chrysolepis Emily McPherson 1976-9-19 76- 28 -6 Placer 1 mile seast of Talbot Campground. Middle Fork of the American 1767 Comment
  SACT002614  Quercus chrysolepis Michael Baad 1976-8-4 Placer Collected on shores of lakes and northwest facing slope of Mildred Ridge Comment
  SACT002623  Quercus chrysolepis J. Severaid 1959-8-14 Placer Old Foresthill Road Comment
  CDA20383  Quercus chrysolepis var. chrysolepis P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 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
  CDA20381  Quercus douglasii P. Akers 2002-4-14 s.n. Placer Northern California; E end of Clarke Tunnel Rd, N of Penryn. 0 Comment
  SACT002120  Quercus douglasii Michael Baad 1977-4-13 Placer 0.2 miles north of Interstate 80; ecotone between pine forest and chaparral 502.92 Comment
  SD113994  Quercus douglasii Darley F. Howe 1960-9-18 2974 Placer 4 miles north of Auburn 518 Comment
  CDA12007  Quercus durata G. F. Hrusa 1995-5-2 12188 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  CDA16974  Quercus durata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16027 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC405479  Quercus durata W. W. Mackie 1904-4 Placer Newcastle Comment
  SACT002138  Quercus kelloggii Michael Baad 1977-6-2 Placer Descending to North Fork American River from south, 2 km Northeast of Westville and 2 km North of Forest Hill Divide Road 853.0 Comment
  SEINET10431542  Quercus kelloggii W. D. Billings 1940-5-18 s.n. Placer Gold Run. Comment
  SEINET10431665  Quercus kelloggii 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 Hwy 194, winding road, plot located on the right past parking area, down path ca 60 meters. 1676 Comment
  SEINET12034574  Quercus kelloggii K. S. Erdman 1966-1 3540 Placer along Interstate 80 near Emigrant Gap, Sierra Nevada Mts 1524 Comment
  CAS-BOT-BC62885  Quercus lobata Miss. A. Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  SACT002660  Quercus lobata Josephine Van Ess 1976-8-11 Placer Collected near Coon Creek Cattle. Dry streambank. Comment
  SACT002701  Quercus suber Josephine Van Ess 1976-9-18 Placer Collected at intersection with Dowd Road old planting along fence probably a little summer watering. Many seedlings present. Comment
  SFV898  Quercus vacciniifolia E. R. Blakley 1960-8-29 3791 Placer Sierra Nevada Lake Tahoe, Carnelian Bay. 1951 Comment
  UC1135812  Quercus vacciniifolia R. W. Lundh 1933-4-26 232 Placer 3 mi s Signal Peak; Tahoe National Forest, Colfax Quad. 1828 Comment
  UCD21488  Quercus vacciniifolia Rex Palmer 1979-7-26 N 832 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET10437672  Quercus vacciniifolia M. J. Williams 1984-6-24 84- 63 -1 Placer Omega Road, 0.3 mile E of Hwy 20. 1372 Comment
  UCR280609  Quercus wislizeni Tom Scott, Gary Nakamura 2009-1 2009- 017 Placer Sierra Nevada Mtns. Foothills, Auburn, Hwy 49 at Auburn Bridge on American River, slopes on north side of canyon above highway 198 Comment
  CAS-BOT-BC362682  Raillardella argentea L. S. Smith 1925-7-15 1682 Placer Tahoe National Forest. French Mdws. near Talbot Camp 1828 Comment
  UC634984  Ranunculus alismifolius var. alismifolius H. L. Mason 1926-5-29 3301 Placer Truckee River Comment
  CAS-BOT-BC379380  Ranunculus alismifolius var. hartwegii L. S. Smith 1926-4-24 1786 Placer Tahoe Forest, Truckee R.S. 1829 Comment
  CAS-BOT-BC379391  Ranunculus alismifolius var. hartwegii Anna Head 1921-6-12 s.n. Placer Feather River Region, Lake Independence Comment
  CAS-BOT-BC379397  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 464 Placer Lake Tahoe Region, Tahoe City Comment
  CAS-BOT-BC379399  Ranunculus alismifolius var. hartwegii Dr. E. C. Van Dyke 1915-7-4 s.n. Placer Lake Tahoe Region, above Grass Lake Comment
  CAS-BOT-BC379442  Ranunculus alismifolius var. hartwegii Gordon H. True 1972-4-4 7094 Placer Boca-Stampede Dam Road, 5.2 mi north of Boca 1768 Comment
  SEINET5338278  Ranunculus alismifolius var. hartwegii P. A. Lehenbauer 1923-6-2 567 Placer Truckee-Tahoe road. Comment
  CAS-BOT-BC378964  Ranunculus bonariensis John Thomas Howell; Gordon H. True 1972-3-17 7082 Placer northern outskirts of Lincoln 49 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
  SBBG128854  Ranunculus bonariensis var. trisepalus G. K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer S of Lincoln along Athens Ave, 1.6 mi E of Fiddyment Rd, 0.6 mi W of Industrial Ave 41 Comment
  SEINET4560740  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-1 17253 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
  UCD44736  Ranunculus californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2102 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR231887  Ranunculus californicus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17148 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  CDA24320  Ranunculus cymbalaria var. saximontanus G. D. Barbe 1977-7-2 2286 Placer At shore of shallow arm of Martis Creek Lake, Day Use area, south of Truckee-Tahoe airport. Comment
  SBBG2259  Ranunculus flammula E. R. Blakley 1960-9-3 3814 Placer Kings Beach, Lake Tahoe 1903 Comment
  RSA145542  Ranunculus flammula var. ovalis E. R. Blakley 1960-9-3 3814 Placer Kings Beach, Lake Tahoe. 1904 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
  CHSC73985  Ranunculus occidentalis Susi Urie 1998-8-28 98 -141 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. Large meadow complex. 2115 Comment
  SEINET192016  Ranunculus occidentalis C. L. Hitchcock 1940-5-7 6312 Placer Ca 1 mi W of Baxter Comment
  UCD80701  Ranunculus occidentalis CNPS SN Foothill Team 2005-4-11 SNFN 0103 d Placer Placer Legacy, Spears/Didion Ranch (Spear's Ranch), above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  UCR235423  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18956 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  UCR235485  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18934 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  SD114130  Ranunculus occidentalis var. occidentalis none given 1948-5-21 1931 Placer Placer Co. 456 Comment
  POM276387  Ranunculus orthorhynchus Lyman Benson 1948-7-17 12924 Placer Placer: isco Grove, S Fork Yuba River, Sierra Nevada. Sacramento Valley, Sierran Montane Forest 1799 Comment
  UC1551905  Ranunculus orthorhynchus var. orthorhynchus Lyman Benson 1948-7-17 12924 Placer Cisco Grove Sierra Nevada Mt. Range, Sacramento Area Drainage Area, S. F 1798 Comment
  UC18537  Rhamnus ilicifolia Bolander 1865-4-13 4565 -1 Placer Newcastle Comment
  UC1121923  Rhamnus rubra N. French 1933-5-19 61 Placer near Iowa Hill; Colfax Quad. 822 Comment
  SEINET13946367 Image available Rhamnus rubra A. A. Heller 1917-1 12736 Placer Dry gravelly ridge, Emigrant Gap, elevation 5300 ft 1615 Comment
  CAS-BOT-BC56652  Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  UC22142  Rhododendron occidentale Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UC372853  Rhododendron occidentale Marcus E. Jones, A. M. 1882-6-25 Placer Emigrant Gap Comment
  CAS-BOT-BC438107  Ribes John H. Thomas; Hazelle A. Thomas 1956-7-21 6133 Placer Sierra Nevada. vicinity of donner pass, about 80 miles northeast of Sacramento. 2377 Comment
  UC480721  Ribes cereum W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe Region, Ellis Peak 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
  CDA12418  Ribes cereum var. cereum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8546 Ab Placer Lake Tahoe; W end of Ward Valley, 4 mi SW of Tahoe City. Comment
  UCSB16432  Ribes cereum var. cereum Breedlove, Dennis 1962-6-13 Placer on steep bank of Truckee River; 7.0 miles south of Truckee; Sierra Nevada 1828 Comment
  JEPS71856  Ribes lasianthum Gladys L. Smith 1972-6-20 3259 Placer from Ward Peak summit to Sherwood Forest 2590 Comment
  RSA0022086  Ribes montigenum C. F. Sonne 1897-7-18 s.n. Placer Tinker s Knob. 2591 Comment
  SCFS11529120  Ribes nevadense E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  RSA0022891  Ribes nevadense J. H. Nishida 1985-7-10 778 Placer Homewood. 1829 Comment
  RSA0023969  Ribes nevadense Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SDSU5940  Ribes roezlii D. F Howe 1948-5-22 1900 Placer 1219 Comment
  SJSU10511  Ribes roezlii R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  UCD15604  Ribes roezlii Lisa Montany 1985-5-18 20 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  RSA0026923  Ribes roezlii Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon. 1463 Comment
  CAS-BOT-BC186196  Ribes roezlii var. roezlii L. R. Abrams 1917-9-19 6779 Placer Lily Lake, Lake Tahoe Region Comment
  CAS-BOT-BC362920  Rigiopappus leptocladus M. E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
  CDA15948  Rorippa curvisiliqua G. F. Hrusa, J. Glazner 1999-7-17 15159 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD150488  Rorippa curvisiliqua James A. Neilson Jr. 1971-8-17 2402 Placer Tahoe Basin, Homewood parking lot. 1901 Comment
  CHSC97766  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
  SEINET5784173 Image available Rorippa nasturtium-aquaticum Marcus E. Jones 1882-1 Placer Emigrant Gap Comment
  CAS-BOT-BC74861  Rorippa subumbellata Ira L. Wiggins 1946-8-13 11228 Placer Shores of Lake Tahoe, at D.L. Bliss Memorial State Park. 1897 Comment
  JEPS47280  Rosa bridgesii C. F. Sonne May 1891 4172 Placer along railroad below Auburn Comment
  UCR231870  Rosa californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17026 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
  CDA3955  Rosa eglanteria T. C. Fuller, H. K. Wagnon 1964-5-18 11986 Placer South of railroad tracks, east of Dutch Flat Road, Alta. 0 Comment
  CAS-BOT-BC147021  Rosa woodsii subsp. ultramontana C. B. Wolf 1931-9-10 2421 Placer Near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  SEINET7703904  Rosa woodsii var. ultramontana P. A. Lehenbauer 1931-8-30 1704 Placer Lake Tahoe, near Carnelian Bay. Comment
  UCD113781  Rubus glaucifolius G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12053 Placer Northern Sierra Nevada Mountains Foothills; along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  CAS-BOT-BC147967  Rubus parviflorus Alice Eastwood 1909-1-1 195 Placer Sunnyside Comment
  RSA634235  Rubus parviflorus Robert M. Rhode, B. Nemeth 1997-6-26 176 Placer Blackwood Creek Canyon (ca 4 miles S of Tahoe City). Near Blackwood Creek Canyon Road. About 0.3 miles W of turnoff from Hwy 89. 1921 Comment
  SEINET4691695  Rubus parviflorus George K. Helmkamp, E. A. Helmkamp 2010-1 16787 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
  UC112834  Rubus parviflorus Katharine Brandegee 1908-6 Placer near Gold Run; near Gold Run Comment
  SEINET11918653  Rubus parviflorus C. F. Sonne 1884-8-10 73 Placer Trucker River Comment
  SEINET7705864  Rubus parviflorus P. A. Lehenbauer 1933-8-6 2305 Placer Tahoe, near Homewood Comment
  UCD164607  Rubus ursinus Brandi Sorensen 1995-6-1 25 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC110490  Rumex Saichi Kawahara 1969-5-24 849 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek. 585 Comment
  CDA36876  Rumex acetosella CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  JEPS73003  Rumex acetosella Gladys L. Smith 1972-7-18 3133 Placer Alpine Meadows 2072 Comment
  CAS-BOT-BC422034  Rumex acetosella J. F. Emmel 1971-8-21 382 Placer 0.2 air mile ENE of N. end of Lake Mary, Donner Pass 2156 Comment
  CDA37242  Rumex crispus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SD255839  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 (Sheridan 7.5'Q) 32 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
  UCD22145  Rumex paucifolius Rex Palmer 1979-6-21 N 357 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR270369  Rumex salicifolius John F. Emmel 2002-6-23 1758 Placer Sierra Nevada Mountains, northern Lake Tahoe region, US Forest Service Road 16N33 a unnamed creek crossing c. 1 mile west of Griff Creek crossing, 1.4 air miles south and 0.2 air mile west of Martis Peak 2244 Comment
  CHSC72883  Rumex salicifolius var. triangulivalvis L. P. Janeway; Eric Schroder 1998-7-13 5748 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UCD21928  Rumex triangulivalvis Beth Lowe Corbin 1982-8-11 324 Placer 1 1/2 mile WSW of Onion Creek campground. In fine, sandy soil in logged White Fir forest. Perennial, forming a loose clump. Calyx reddish. Full sun. SE facing slope, 20% incline. Uncommon. 2011 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
  CHSC82610  Sagina saginoides Lowell Ahart 2002-7-22 9884 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
  UCR120717  Sagina saginoides George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5060 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  CAS-BOT-BC103550  Salix eastwoodiae John H. Thomas; Hazelle A. Thomas 1956-7-21 6191 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC103560  Salix eastwoodiae W. R. Dudley 1900-6-19 5280 Placer woods west of Independence Hotel Comment
  CAS-BOT-BC103610  Salix eastwoodiae W. R. Dudley 1900-6-15 5124 a Placer on flat north east of Lake Mary Comment
  CAS-BOT-BC103986  Salix geyeriana Mary P. Wells 1980-9-11 s.n. Placer Alpine Meadows near Bear Creek opposite stable 1950 Comment
  JEPS127558  Salix geyeriana Steve Matson 1997-8-9 166 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, south of Hwy 267, south of Martis Creek, 'Lookout Mtn. creek. Comment
  CAS-BOT-BC108210  Salix hindsiana Gordon H. True 1971-4-21 6527 Placer Auburn Ravine just west of Lincoln 49 Comment
  CDA16804  Salix jepsonii G. F. Hrusa, J. Glazner 2001-7-15 15943 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2316 Comment
  SEINET4560768  Salix jepsonii George K. Helmkamp, E. A. Helmkamp 2010-1 16671 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  UCD16131  Salix lasiandra var. abramsii Sutton 1984-5-19 14 Placer Califorina. Placer County: Blue Canyon Rd., 3 mi off Hwy 80 along river bank. 1371 Comment
  CAS-BOT-BC125291  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 2 Placer Tahoe National Forest, French Meadows 1828 Comment
  CAS-BOT-BC125299  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-24 5536 Placer Rubic on road crossing McKinney Creek, Placer - El Dorado Co. line Comment
  CHSC9583  Salix lasiolepis E. L. Smith 1971-6-16 957 Placer Corner of Deer and Golden Streets next to Golden Deer Motel at King's Beach, on n edge of Lake Tahoe. Comment
  CDA39563  Salix lasiolepis H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 Comment
  CAS-BOT-BC128468  Salix lasiolepis var. lasiolepis Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City - Sierra Nevada Comment
  CAS-BOT-BC124752  Salix lemmonii A. A. Heller 1917-6-17 12688 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124755  Salix lemmonii W. R. Dudley 1900-6-1 5533 Placer near Madden's Creek above McKinneys Cr. Comment
  CAS-BOT-BC124762  Salix lemmonii W. R. Dudley 1900-6-14 5079 Placer Grade between Donner Lake and Summit Comment
  CAS-BOT-BC124765  Salix lemmonii W. R. Dudley 1900-6-20 5349 Placer on north side of Independence Lake 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-BC124779  Salix lemmonii W. R. Dudley 1900-6-14 5024 Placer Shore of Donner Lake Comment
  CAS-BOT-BC124783  Salix lemmonii W. R. Dudley 1900-6-14 5070 a Placer Between Donner Lake and Summit Comment
  CHSC72889  Salix lemmonii L. P. Janeway; Eric Schroder 1998-8-15 5771 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC74123  Salix lemmonii Susi Urie 1998-8-13 98 -025 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74266  Salix lemmonii Susi Urie 1998-9-3 98 -229 Placer Lake Tahoe Basin--National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  RSA28830  Salix lemmonii A. A. Heller 1917-6-17 12694 Placer Along the Yuba River below Cisco. 1677 Comment
  UCD43267  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 635 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  UCD43891  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1257 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET10412519  Salix lemmonii T. C. Frantz 1951-4-22 s.n. Placer 5 miles E of Truckee. Comment
  SEINET11957674  Salix lemmonii E. L. Smith 1971-1 954 Placer Yuba Gap, 7 km E of Emigranat Gap 1770 Comment
  SEINET8589755 Image available Salix lemmonii A. A. Heller 1917-6-17 12688 Placer Low grassy places along the Yuba river below Cisco, elevation about 5500 feet 1676 Comment
  CAS-BOT-BC125066  Salix ligulifolia Dr. Kellogg 1870-6-30 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  CAS-BOT-BC125099  Salix ligulifolia Helen La Plant 1964-6-1 s.n. Placer Ward Creek near Lake Tahoe Comment
  UC449849  Salix ligulifolia L. S. Smith 1931-1 3 Placer French Meadows Tahoe Nat'l Forest, American River, French Meadows 1828 Comment
  CAS-BOT-BC128233  Salix lucida W. R. Dudley 1900-6-15 5132 Placer Between Summit and Soda Springs Station, Nevada-Placer Co. line. Comment
  CAS-BOT-BC129080  Salix scouleriana W. R. Dudley 1900-6-1 5281 Placer Woods west of Independence Hotel Comment
  CAS-BOT-BC129123  Salix scouleriana W. R. Dudley 1900-6-1 5530 Placer Lake shore above McKinney's Creek Comment
  UC1135077  Salix scouleriana B. Bolt 1934-8-15 181 Placer 3/4 mi. w. Goggins; El Dorado Nat'l Forest, Colfax Quad. Comment
  JEPS13384  Sambucus racemosa var. microbotrys C. F. Sonne 1886-7-5 127 Placer <at Lakes near summit> Sierra Nevada Mts. 2194 Comment
  SD81038  Sanguisorba annua Darley F. Howe 1971-7-3 Placer Truckee 1829 Comment
  UCR249589  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20802 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UCD21632  Sanicula Rex Palmer 1979-6-9 N 153 Placer Headwaters basin area of the North Fork of the American River. Mount Lincoln. 2438 Comment
  UCR242365  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2010-7-28 16669 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  SEINET11160310  Sanicula tuberosa L. L. Killinger 1962-3-17 s.n. Placer North Fork American River, 3 miles E of Auburn. 396 Comment
  SEINET13945244 Image available Sanicula tuberosa L. S. Rose 1941-1 41323 Placer Edge of meadow, Chambers Lodge, Lake Tahoe. Ca 1900 m 1900 Comment
  UCR120247  Sarcodes sanguinea George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5037 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  RSA589902  Sarcodes sanguinea J. A. Ballenger 1989-5-26 304 Placer Sugar Pine Point State Park, west side of Lake Tahoe. 1951 Comment
  UC585093  Saxifraga aprica E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1584 Placer about 3 mi e of Emigrant Gap (between main road and Nevada City Road) 1767 Comment
  UC1127643  Saxifraga bryophora N. French 1934-6-22 464 Placer Serena Lake; Tahoe National Forest, Serena Lake 2103 Comment
  SEINET12220592  Saxifraga bryophora C. F. Sonne 1884-1 s.n. Placer above Coldstraw 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
  UCR208271  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2009-5-7 14637 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  POM92826  Saxifraga californica Marcus E. Jones 1882-7-1 3587 Placer Emigrant Gap. Comment
  UC585214  Saxifraga nidifica var. nidifica E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1585 Placer about 3 mi e Emigrant Gap (between main road and Nevada City Road) 1767 Comment
  JEPS47491  Saxifraga tolmiei C. F. Sonne 1888-8-12 92 Placer Tinker's Knob; Sierra Nevada Mountains, Tinker's Knob 2590 Comment
  UC1100817  Scirpus pungens Malcolm A. Nobs, S. Galen Smith 1949-8-22 1545 Placer at sw city limits Roseville (marshy stream) Comment
  SEINET7249119  Scrophulariaceae George K. Helmkamp, Mary Alice Barnes 2013-1 Placer 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
  SCFS5070  Scutellaria californica E. Krimmel 2014-6-26 Placer Shade Comment
  UCD125715  Scutellaria californica C. J. W. 1913-6-26 120 Placer Colfax. Comment
  UCD22013  Scutellaria californica Beth Lowe Corbin 1982-8-2 164 Placer Onion Creek campground. In dry drainageway, of fine, sandy, granitic soil. Perennial herb with creme white flowers. Mostly sun. South facing slope. Relatively abundant in 1 localized area. 1841 Comment
  UCD22073  Scutellaria californica Rex Palmer 1979-7-25 N 677 Placer Headwaters basin area of the North Fork of the American River Comment
  SD62150  Sedum spathulifolium Darley F. Howe 1965-5-21 Placer Canyon on south side of north fork of American River near Forest Hill. 455 Comment
  RSA684431  Selaginella hansenii Viola N. Poole 1932-05 324 Placer Shirt-tail Canyon. 762 Comment
  SEINET6340504  Selaginella scopulorum H. N. Mozingo 1975-9-21 75 -50 Placer Auburn, 2 miles south at junction of north and middle fork of American River, about 150 feet above river. 274 Comment
  CAS-BOT-BC69716  Selaginella wallacei D. L. Smith; G. L. Stebbins 1976-7-3 C 7679 Placer NW. side of Ralston Ridge, above Middle Fork American River just e. of Big Crater. 1249 Comment
  UCR191065  Senecio aronicoides George K. Helmkamp, E. A. Helmkamp 2007-5-23 12065 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  CAS-BOT-BC363911  Senecio integerrimus var. exaltatus Lewis S. Rose 1940-5-29 40422 Placer Cisco 1737 Comment
  CAS-BOT-BC363906  Senecio integerrimus var. exaltatus Alice Eastwood 1906-7-23 894 Placer Glen Alpine Region. Near Lily Lake Comment
  UC472370  Senecio integerrimus var. major C. F. Sonne July 1897 6593 Placer Coldstream <?> to Tinker Knob Comment
  CAS-BOT-BC249054  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
  UCD135801  Senecio triangularis L. M. Sparks 1912-8-1 56 Placer Lake Tahoe. 1920 Comment
  CAS-BOT-BC364386  Senecio triangularis L. S. Smith 1927-8-5 2153 Placer Tahoe National Forest. Robertson Flat R.S. fenced pasture Comment
  UCR170980  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2006-2-9 10044 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  UC832211  Sericocarpus oregonensis subsp. californicus Ira L. Wiggins 1933-8-21 6789 Placer near, shores of Lake Tahoe Tahoma; Lake Tahoe Comment
  UCD22388  Sericocarpus oregonensis subsp. californicus Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1300 Placer Sierra Nevada. Gold Run rest area along Hwy 80 just before exit for Dutch Flat. 762 Comment
  CDA31822  Sesbania punicea C. Owens 2010-6-3 s.n. Placer 10 meters from Dick Cook Road on upstream terrace in Miner s Ravine Creek, adjacent to the intersection at Auburn Folsom Road. 0 Comment
  UCR129369  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Sacramento Valley, southeast corner of Newcastle Road and Brenner [Brennans] Rd., Newcastle 226 Comment
  CDA37687  Setaria faberi Breckenridge 2004-6-2 s.n. Placer Loomis, along Taylor Road. 0 Comment
  CAS-BOT-BC243630  Setaria pumila Peter H. Raven 1954-8-27 7954 Placer Roseville Comment
  UCD92709  Setaria pumila Beecher Crampton 1965-9-13 7494 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCR141667  Setaria pumila Beecher Crampton 1965-9-13 7494 Placer Sierra Nevada Mtns., Gold Run, Interstate Hwy 80 976 Comment
  CAS-BOT-BC213133  Sidalcea Peter Rubtzoff 1976-9-19 8867 Placer Lake Van Norden, Sierra Nevada 2063 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
  UCD116589  Sidalcea calycosa Ted Niehaus 1959-5-3 99 Placer north shore of Folsom Lake at Granite Bay Park, 100 yards from lake. Comment
  POM448574  Sidalcea glaucescens Fay A. MacFadden 1934-8-10 12841 Placer Cisco. Comment
  UC1124951  Sidalcea glaucescens N. French 1934-6-22 484 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  UC128214  Sidalcea glaucescens Miss Harriet A. Walker 1908-7-25 1388 Placer Cisco 1810 Comment
  UCD150575  Sidalcea glaucescens James A. Neilson Jr. 1970-7-9 1476 Placer Tahoe Basin, North Ward Valley. 2194 Comment
  UCD21607  Sidalcea glaucescens E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1276 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
  HSC16036  Sidalcea glaucescens R. G. Means 1962-6-28 49 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  POM153488  Sidalcea glaucescens P. A. Munz 1928-6-25 11091 Placer Tahoe Canyon, Lake Tahoe. 2073 Comment
  SEINET8944836  Sidalcea glaucescens L. R. Miller 1934-7-18 s.n. Placer Cisco. Comment
  UC614866  Sidalcea glaucescens Beryl O. Schreiber 1933-9-11 762 Placer road to Summit; road to Summit Comment
  SBBG29904  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 mi N of Colfax Comment
  SD44647  Sidalcea hartwegii Darley F. Howe 1951-5-2 2107 Placer 4.0 miles north of Auburn. 456 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
  UCR241354  Sidalcea malviflora subsp. asprella George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19821 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.7 mile north of Robinson Flat Campground, about 26 miles northeast of Foresthill, Tahoe National Forest 2034 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
  CDA13684  Sidalcea oregana subsp. oregana G. F. Hrusa, J. Glazner 1997-8-3 14044 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC73960  Sidalcea oregana subsp. spicata Susi Urie 1998-8-18 98 -062 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74231  Sidalcea oregana subsp. spicata Susi Urie 1998-8-29 98 -149 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74232  Sidalcea oregana subsp. spicata Susi Urie 1998-8-29 98 -158 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74233  Sidalcea oregana subsp. spicata Susi Urie 1998-9-4 98 -266 Placer Meadow complex on norht side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UC710570  Sidalcea oregana subsp. spicata John Thomas Howell 1943-7-19 18570 Placer Summit Valley Comment
  UC871499  Sidalcea oregana subsp. spicata Lewis S. Rose 1937-7-29 37614 Placer Tahoe Vista 1905 Comment
  UCD43225  Sidalcea oregana subsp. spicata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 594 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET6165298  Sidalcea pedata Unknown 1982-1 Placer Comment
  CAS-BOT-BC178688  Silene John H. Thomas; Hazelle A. Thomas 1956-7-21 6115 Placer Vicintiy of Donner Pass, about 80 miles northeast of Sacramento - Sierra Nevada 2377 Comment
  RSA305931  Silene californica Fay A. MacFadden 1934-3-31 12424 Placer Hillsides near Colfax. Comment
  CAS-BOT-BC386978  Silene douglasii J. T. Howell 1943-7-21 18634 Placer Donner Pass to Mt. Lincoln Comment
  CDA16799  Silene douglasii G. F. Hrusa, J. Glazner 2001-7-15 15938 Placer Sierra Nevada; Summit of Crows Nest Pk. immed. W of Sugarbowl. 2316 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
  SD243117  Silene douglasii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16772 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 (Duncan Peak 7.5'Q) 1552 Comment
  UC1137890  Silene douglasii B. Bolt 1934-7-12 109 Placer Snow Mountain Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  UC128140  Silene douglasii Miss Harriet A. Walker 1908-7-26 1589 Placer Cisco 1810 Comment
  CAS-BOT-BC386981  Silene douglasii C. F. Sonne 1885-7-12 194 Placer Sierra Mountains Comment
  UCD32813  Silene douglasii var. douglasii Beecher Crampton 1964-7-21 7123 Placer Placer County, one mile east of Cisco Grove, old US Hwy. 40. Comment
  RSA782377  Silene gallica George K. Helmkamp, E. A. Helmkamp 2010-4-23 15903 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  UCD164612  Silene laciniata subsp. californica Brandi Sorensen 1995-6-1 19 Placer .73 kilometers northwest of Colfax. 671 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
  HSC33451  Silene lemmonii Thomas W. Nelson, James Nelson 1974-6-17 1358 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  CDA15933  Sisymbrium altissimum G. F. Hrusa, J. Glazner 1999-7-17 15133 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET3814483  Sisyrinchium bellum Marcus E. Jones 1897-7-5 Placer Prattville 1372 Comment
  SACT002250  Sitanion jubatum Josephine Van Ess 1980-5-24 Placer Collected on hillside about 1 mile east of Highway 49. Rocky slopes, serpentine. 414.6 Comment
  CDA5900  Solanum carolinense J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Colfax. Comment
  CDA5934  Solanum dimidiatum Clark, Margaret Bellue 1945-10-11 Placer Southern Pacific yards, Roseville. 0 Comment
  SCFS1169  Solidago E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Creekside at Chickering. Comment
  CHSC74207  Solidago elongata Susi Urie 1998-9-2 98 -207 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
  CDA39020  Spartium junceum D. G. Kelch 2011-10-2 11 .812 Placer Gold Run rest stop. Comment
  UC72215  Spiranthes stellata Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahe Region Comment
  UCD33392  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8156 Placer 1 mile W of Gold Run on Interstate Hwy. 80. 914 Comment
  CAS-BOT-BC220972  Stachys Saichi Kawahara 1969-7-6 1441 Placer At the Mel Henderson Ranch on the east bank of Indian Creek 999 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-BC391176  Stellaria longipes subsp. longipes John H. Thomas; Hazelle A. Thomas 1956-7-21 6221 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CHSC73943  Stellaria longipes var. longipes Susi Urie 1998-8-18 98 -069 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
  CDA36969  Stellaria media CDFA Staff s.n. Placer Loomis. 0 Comment
  JEPS71598  Stenotus acaulis Gladys L. Smith 1972-6-20 3218 Placer Ward Peak in gravel on open plateau about terminus of Summit Chairlift 2621 Comment
  SEINET2443005  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2009-8-12 15455 Placer Northern Sierra Nevada Mountains. Forest Hill Road, 21.7 miles northeast of the city of Foresthill.; 0 1701 Comment
  SACT002310  Stipa californica D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT002318  Stipa californica Michael Baad 1976-7-14 Placer 0.8 miles west of Sailor Flat. Forest Hills Divide. Comment
  SACT002320  Stipa californica D. Meyer 1984-9-23 Placer DRy rocky summit of north facing slope. 2315.0 Comment
  SACT002330  Stipa californica D. Meyer 1984-7-8 Placer Roadside 1758.0 Comment
  UCR209730  Stipa californica George K. Helmkamp, E. A. Helmkamp 2009-8-12 15451 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  SACT002338  Stipa cernua Josephine Van Ess 1975-5-23 Placer Collected on south slope leading up to Volcano Hill. Open grassy slope. Comment
  SACT002346  Stipa elmeri D. Meyer 1984-9-9 Placer Comment
  SACT002363  Stipa lemmonii Michael Baad 1983-6-16 Placer 3.4 miles northeast of junction with Chipmunk Ridge Road on road along South shore of French Meadows Reservoir. Open rocky slope 1879.0 Comment
  SACT002386  Stipa occidentalis D. Meyer Placer NO date provided 1660.0 Comment
  SACT002389  Stipa occidentalis D. Meyer 1983-8-20 Placer Collected at summit at first lake steep rocky trail with some moist meadow areas 2000.0 Comment
  SACT002398  Stipa pulchra Josephine Van Ess 1976-4-14 Placer Collected at top of hill south of highway 193 in lava flow area. Flat rocky area. 152.4 Comment
  CAS-BOT-BC87767  Streptanthus tortuosus John H. Thomas; Hazelle A. Thomas 1956-7-21 6109 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CDA12429  Streptanthus tortuosus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8558 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  RSA35115  Streptanthus tortuosus L. S. Rose 1944-7-13 44101 Placer Chambers Lake, Lake Tahoe. 1921 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
  UCD75726  Streptanthus tortuosus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5164 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
  SEINET4891940  Streptanthus tortuosus P. B. Kennedy, S. B. Doten 1901-8-15 291 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  UC112906  Streptanthus tortuosus var. orbiculatus Katharine Brandegee 1908-7-17 Placer near Blue Canyon Comment
  JEPS72399  Symphoricarpos rotundifolius var. rotundifolius Gladys L. Smith 1972-6-20 3217 Placer Ward Peak; about terminus of summit chair 2621 Comment
  UC86875  Symphyotrichum bracteolatum C. F. Sonne 1895-9-1 Placer w slope Washoe Mountain, along R. R. w Monte Carlo Washoe Mountain (Truckee) Comment
  CHSC73921  Symphyotrichum foliaceum var. parryi Susi Urie 1998-8-17 98 -056 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 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
  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
  CHSC74199  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-4 98 -243 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  OBI16991  Symphyotrichum spathulatum var. yosemitanum Robert F. Hoover 1967-9-6 10848 Placer Kings Beach, Lake Tahoe Comment
  CAS-BOT-BC376789  Tanacetum parthenium Peter H. Raven 1956-8-4 9987 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC376912  Taraxacum officinale Saichi Kawahara 1969-5-25 1002 Placer Mel Henderson Ranch, east of Indian Creek 987 Comment
  UCD21792  Taraxacum officinale Rex Palmer 1979-5-27 N 51 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43898  Taraxacum officinale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1264 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC566898  Tauschia hartwegii H. L. Mason 1926-5-28 3268 Placer five mi above Auburn Comment
  NY17479  Taxus brevifolia F. A. MacFadden 1934-8-14 12872 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  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
  RSA399564  Thalictrum fendleri Unspecified 1931-7-5 s.n. Placer Near Meeks Bay, Lake Tahoe. Comment
  CHSC74252  Thalictrum fendleri var. polycarpum Susi Urie; Eric Schroder 1998-9-12 98 -368 Placer Lake Tahoe Basin--National Forest. Meadow complex on the south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UC854483  Thalictrum fendleri var. polycarpum Alice Eastwood 1912-6-15 404 Placer Deer Park Lake Tahoe Region Comment
  UCD93353  Thinopyrum intermedium Frederica Bowcutt 1994-7-22 1952 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. 2438 Comment
  UCD93355  Thinopyrum intermedium K. Connelly 1999-8-2 PDR- 122370 7-A Placer Truckee. Along side of Rd. 8, off of Hwy. 89. Comment
  CAS-BOT-BC197409  Thinopyrum intermedium subsp. intermedium John Thomas Howell 1976-7-18 51934 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  UC1585846  Thysanocarpus curvipes Barbara Ertter with David Thompson 1989-4-9 8194 Placer ne Auburn (halfway down road to Lake Clementine (= North Fork Lake)); dwn rd to Lake Clementine (= North Fork Lake), ne of Auburn 304 Comment
  UCD22385  Thysanocarpus curvipes Rex Palmer 1979-6-19 N 375 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR208273  Thysanocarpus curvipes George K. Helmkamp, E. A. Helmkamp 2009-5-7 14639 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCR250334  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20356 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  RSA0039368  Thysanocarpus curvipes var. curvipes Barbara Ertter, David Thompson 1989-4-9 8194 Placer Halfway down road to Lake Clementine (=North Fork Lake) NE of Auburn. 304 Comment
  SEINET12476871  Thysanocarpus radians A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 622 Placer One mile N of Lincoln. Comment
  UC942759  Tonella tenella Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4007 Placer s of Auburn (near bridge on Rt. 49); North Fork American River 213 Comment
  CAS-BOT-BC228846  Torilis arvensis George K. Helmkamp; E. A. Helmkamp 2011-5-6 17218 Placer Eastern Edge of Sacramento Valley: Camp Far West Road, 0.1 mile west of its junction with McCourtney Road, c. 6.3 mi. NE (67 deg. ) of Wheatland 58 Comment
  UCD128156  Torilis arvensis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10452 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
  UCR173253  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10452 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  JEPS888  Torilis nodosa W. H. Shockley June 1886 Placer Auburn Comment
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Oct 3 2006
  JEPS5225  Torreya californica Rimo Bacigalupi 1952-7-20 3894 Placer off the Mosquito Ridge Road about 4 1/2 mi due e Foresthill (in canyon of Mad Creek, tributary (on n side of canyon) of the Middle Fork of the American River); Middle Fork of the American River, canyon of Mad Creek 670 Comment
  UCD124139  Torreya californica Ellen Dean; Davis Botanical Society members 2012-10-13 7513 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. Comment
  UCD44011  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1377 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC172898  Toxicodendron diversilobum John Thomas Howell; Gordon H. True 1972-3-17 7076 Placer Just south of Auburn Ravine, 1 1/2 miles west of Lincoln 48 Comment
  SCFS11529150  Toxicoscordion venenosum E. Krimmel 2014-6-26 Placer In seep beside road at Cedars driveway Comment
  CDA15935  Trichostema oblongum G. F. Hrusa, J. Glazner 1999-7-17 15158 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC380647  Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap Comment
  UCD22022  Trichostema oblongum Beth Lowe Corbin 1982-8-9 274 Placer 1/4 mile SW of Onion Creek campground. 1859 Comment
  UCR193331  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2007-5-30 12189 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
  CHSC73045  Trifolium cyathiferum L. P. Janeway 1998-8-6 5970 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UC337955  Trifolium cyathiferum unknown 1874-1-1 Placer near Lake Tahoe Comment
  UCR146850  Trifolium depauperatum Beecher Crampton 1966-4-14 7644 Placer Sacramento Valley, north of Lincoln, Gladding Clay Pit Road and Hwy 99 [Calif. Hwy 65] 53 Comment
  RSA537641  Trifolium depauperatum Barbara Ertter 8186 Placer Auburn-Forest Hill Road 6 .2 mi SW of Spring Garden Road jct., ca 8 air miles NE of Auburn. 610 Comment
  RSA653964  Trifolium depauperatum Beecher Crampton 1966-4-14 7644 Placer North of Lincoln, Gladding Clay Pit Road and US Hwy 99. Comment
  CDA18398  Trifolium dubium G. D. Barbe, P. Hiatt 1980-6-3 2790 Placer Sierra Nevada; Hwy 49 at Rio Oso Rd., north of Auburn, at Placer Co line/Nevada Co. line. Comment
  UCD108825  Trifolium dubium G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10453 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
  UCD39210  Trifolium dubium Beecher Crampton 1953-5-26 1341 Placer 2 miles N of Lincoln, Chamberlain Ranch. Comment
  UCR173252  Trifolium dubium George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10453 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCR249539  Trifolium dubium George K. Helmkamp, Amy Barnes 2013-3-28 20291 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 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
  CDA19487  Trifolium glomeratum M. I. Wibawa 2002-5-27 264 Placer Sacramento Valley; Folsom Lake, American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  RSA31983  Trifolium gracilentum A. A. Heller 1940-4-20 15537 Placer Whitney Station south of Lincoln along US Hwy 99. Comment
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Mar 28 2011
  RSA637580  Trifolium hirtum Michael A. Vincent 1999-6-12 8634 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  SBBG122296  Trifolium hirtum G. K. Helmkamp with E. A. Helmkamp 2008-4-17 13297 Placer ca. 0.2 mi N of St Hwy 193 on Fowler Rd, ca. 6 mi E of Lincoln 92 Comment
  SD237452  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 (Pilot Hill 7.5'Q) 156 Comment
  UCD111201  Trifolium hirtum M. H. Mills 1996-4-21 161 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCD111203  Trifolium hirtum K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, about 10 miles east of Auburn. 500 Comment
  UCR173259  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10444 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCR224243  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15907 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
  UCD111228  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
  SEINET13203264 Image available Trifolium incarnatum George K. Helmkamp, Amy Barnes 2013-1 20233 Placer Eastern Sacramento Valley: NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 (Sheridan 7.5' Q.) 43 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
  UCR208575  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14605 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  JEPS127430  Trifolium monanthum subsp. monanthum Steve Matson 1998-8-21 391 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; east of main boggy site on West Fork Snow Creek. Comment
  UC163953  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-11 8759 Placer Cisco Flats Yuba River 1740 Comment
  UCR240955  Trifolium pratense George K. Helmkamp, E. A. Helmkamp 2012-9-25 19907 Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  OBI12652  Trifolium productum Robert F. Hoover 1967-9-5 10833 Placer Carnelian Bay, Lake Tahoe Comment
  UCD109307  Trifolium productum E. Wilson 1934-8-5 s.n. Placer Near Cisco. 1676 Comment
  UCR253131  Trifolium subterraneum George K. Helmkamp, Amy Barnes 2014-4-23 22811 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
  UCD109433  Trifolium variegatum R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax. Comment
  UC16836  Trifolium variegatum var. melananthum H. N. Bolander 1865-4-11 4539 Placer near Auburn Comment
  UC968631  Trifolium variegatum var. variegatum C. L. Hitchcock 1940-5-7 6348 Placer ca 1 mi w Baxter Comment
  CHSC81510  Trifolium willdenovii D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  UCR235393  Trifolium willdenovii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18939 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  POM182474  Trifolium wormskioldii Katherine Brandegee 1911-07 s.n. Placer Tahoe Tavern. Comment
  UCR244771  Trifolium wormskioldii Charles Hughes 2010-7-13 239 Placer Sierra Nevada Mountains, eastern edge of Truckee River near northwest corner of intersection of Alpine Meadows Road and Hwy 89 1888 Comment
  POM109197  Trillium angustipetalum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UCR249533  Triphysaria eriantha George K. Helmkamp, Amy Barnes 2013-3-28 20285 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SEINET7249066  Triphysaria eriantha George K. Helmkamp, Amy Barnes 2013-1 Placer Comment
  SD43621  Triphysaria eriantha subsp. eriantha Darley F. Howe 1948-5-20 Placer Placer Co.