Search Results — 2000 specimen records retrieved (1613 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA123358  Abies magnifica R. W. Lundh 1933-4-26 241 Placer 3 miles E of Big Ben R.S. Truckee quadrangle. 1982 Comment
  SEINET7287568  Acacia decurrens M. G. Long Jr. 1956-3-28 s.n. Placer Along Highway 40, easte of Auburn 396 Comment
  CAS-BOT-BC331007  Acer glabrum var. glabrum Alice Eastwood 1912-6-15 365 Placer Lake Tahoe Region. Deer Park Comment
  CDA39012  Achillea millefolium Larry Klaasen, D. G. Kelch 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  OBI20109  Achillea millefolium David J. Keil 1978-7-23 12947 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  OBI39804  Achillea millefolium Joy H. Nishida 1985-7-10 783 Placer Homewood 1829 Comment
  SCFS1156  Achillea millefolium E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Cedar's Meadow. Comment
  CAS-BOT-BC210686  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer Ca. 1 mile west of Baxter 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
  CAS-BOT-BC210743  Achnatherum nelsonii W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  UCD43120  Achnatherum occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 488 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD50937  Achnatherum occidentale John Thomas Howell 1943-7-25 18808 A Placer West side of Donner Pass near Norden. 2133 Comment
  UCD51020  Achnatherum occidentale G. L. Stebbins 1941-7-16 3173 Placer along U.S. Highway no. 40. 1 mile west of Cisco Grove. 1706 Comment
  CAS-BOT-BC210836  Achnatherum occidentale subsp. californicum C. G. Pringle 1882-9-20 s.n. Placer Summit Valley, Sierra Nevada Mts. 2438 Comment
  CAS-BOT-BC210838  Achnatherum occidentale subsp. californicum No date on label 12889 Placer Summit Station 2121 Comment
  UC682057  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3170 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UCD51067  Achnatherum occidentale subsp. californicum Elizabeth Wilson 1940-8-8 s.n. Placer near Hampshire Rocks. 1828 Comment
  UCR241743  Achnatherum occidentale subsp. californicum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19220 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UC1133192  Achnatherum occidentale subsp. occidentale H. S. Yates 1936-8-9 5982 Placer 1 1/2 mi sw Martis Pk.; Tahoe National Forest, Truckee Quadrangle 2346 Comment
  CDA15640  Achnatherum occidentale subsp. pubescens G. F. Hrusa, J. Glazner 1999-7-18 15193 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CDA13721  Achnatherum stillmanii G. F. Hrusa, B. Meese 1997-5-26 13791 Placer Sierra Nevada; Italian Bar Trail, to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. Comment
  JEPS74080  Achnatherum stillmanii Leland S. Smith 1931-6-21 2557 Placer 11 mi slighlty ne Michigan Bluff (trail below Pine Nut, Duncan Canyon); Tahoe Forest 1524 Comment
  SACT000023  Achnatherum stillmanii Michael Baad 1983-7-11 Placer elevation 5200' and continuing towards Black Mountain to the western edge of section 9, T.16N, R.12E 1585.0 Comment
  UCD32816  Achnatherum stillmanii Beecher Crampton 1964-7-21 7127 Placer Placer County, Blue canyon. 1430 Comment
  JEPS490  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine Range Tahoe Forest (Forest Hill District) 914 Comment
  UCD103816  Acmispon americanus var. americanus A. A. Heller 1919-7-25 13297 Placer Near the Yuba river below Cisco. 1676 Comment
  CAS-BOT-BC204857  Acmispon argophyllus var. fremontii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UCD41255  Acmispon brachycarpus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1712 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  SEINET5327404  Acmispon brachycarpus A. Allen 1950-5-20 30 Placer 2 mi W st of Auburn on Grass Valley road, 305 Comment
  UCD104250  Acmispon nevadensis Beecher Crampton 1968-9-18 8385 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  UCD43264  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 632 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44511  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1877 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD95336  Aconitum columbianum A. A. Heller 1909-7-16 s.n. Placer Summit. 2133 Comment
  SEINET5337521  Aconitum columbianum A. A. Heller 1909-7-16 9849 Placer Summit. 2134 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
  CAS-BOT-BC391463  Aconitum columbianum subsp. columbianum Geo. B. Grant 1906-7-15 7009 Placer Tahoe Taern, Lake Tahoe Comment
  CAS-BOT-BC412851  Aconogonon davisiae Miss. T. V. Raphael 1923-7-1 s.n. Placer Cisco, Lookout Mt. 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
  UCD128500  Acroptilon repens T. C. Fuller 1968-7-22 12572 Placer north edge of freeway I-80 from Donner Summit. 0.1 mile west of Blue Canyon Road. 1524 Comment
  CDA39088  Acroptilon repens Preston Neufeld 2013-7-1 PDR# 310 P06129930 Placer Along Interstate 80 near Drum Forebay exit. 0 Comment
  SCFS11529136  Adenocaulon bicolor E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. 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
  CAS-BOT-BC228605  Aesculus californica George K. Helmkamp; E. A. Helmkamp 2011-5-6 17216 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
  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
  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
  UCD128584  Agoseris grandiflora G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10449 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along an unnamed road to Lake Clementine, 1.2 miles N of Forest Hill Road. 422 Comment
  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
  JEPS126299  Agoseris heterophylla var. heterophylla Steve Matson 2003-6-9 797 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267 and west of Martis Creek, along Airpot Creek. Comment
  CAS-BOT-BC13179  Agoseris monticola John Thomas Howell 1943-7-26 18832 Placer Donner Pass to Mount Lincoln Comment
  JEPS126348  Agoseris monticola Steve Matson 2002-6-29 536 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on west side of pole near Highway 28. Comment
  CAS-BOT-BC13425  Agoseris retrorsa Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SACT000052  Agropyron intermedium var. trichophorum Michael Baad 1976-7-17 Placer Open brushy slopes on granite 2133.6 Comment
  SACT000065  Agropyron trachycaulum D. Meyer 1984-7-21 Placer 2.88 km from Placer County line, sagebrush type vegetation 1758.0 Comment
  SACT000069  Agropyron trachycaulum D. Meyer 1983-7-30 Placer Moist areas on both sides of road 2072.64 Comment
  SACT000076  Agropyron trachycaulum D. Meyer 1983-9-10 Placer Moist streambanks and meadow 1879.0 Comment
  JEPS22879  Agrostemma githago Donald E. Vermeer 1959-5-2 13 Placer on U.S. Highway 40, 5 mi w Auburn 274 Comment
  CAS-BOT-BC384742  Agrostemma githago Belle R. Jackson 1927-6-1 s.n. Placer Dutch Flat Comment
  UCD80506  Agrostis capillaris CNPS SN Foothill Team 2006-6-27 SNNR 0725 Placer Placer Land Trust, Shutamul Parcel, Bear River. 313 Comment
  SEINET10792272  Agrostis diegoensis A. Arthur Heller 1917-8-13 Heller 12897 Placer Base of a cliff north of Summit hotel, the surrounding forest composed of Abies magnifica. 2164 Comment
  CHSC74331  Agrostis exarata Susi Urie 1998-9-3 98 -227 Placer Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  JEPS102472  Agrostis exarata Lowell Ahart 2001-10-10 9360 Placer French Meadows Reservoir, about 1/4 mile NE of boat or trail access area on NW side of reservoir, about 3/4 mile SW of bridge across Middle Fork of American R, about a 1 3/4 mi SW of Ahart Camp, about 22 mi (air) NE of Forest Hill. 1591 Comment
  SACT000082  Agrostis exarata D. Meyer 1984-7-8 Placer Very moist streambank, beneath bridge 1290.0 Comment
  SACT000089  Agrostis exarata D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SACT000100  Agrostis exarata D. Meyer 1984-8-12 Placer Ralston Ridge Rd 11.21 km from French Meadows. Very wet. Somewhat boggy. Grazed woody area. 1612.0 Comment
  SACT000112  Agrostis exarata D. Meyer 1984-7-8 Placer Lake Valley Reservoir Picnic Area. Ground at lakeside. 1758.0 Comment
  UC815012  Agrostis exarata A. S. Hitchcock 12891 Placer Summit Station 2121 Comment
  UCD52073  Agrostis exarata Beecher Crampton 1956-7-17 3729 Placer Blue Canyon. Comment
  UCD52105  Agrostis exarata Beecher Crampton 1975-9-9 9273 Placer Gold Run rest area along Interstate Hwy. 80 W. 914 Comment
  UCD52336  Agrostis exarata August L. Hormay 1932-7-8 s.n. Placer Base of Echo Lake, Grade North side. Comment
  UCD52406  Agrostis exarata N. French 1933-6-6 s.n. Placer near Newcastle. 304 Comment
  UCR206756  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15207 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 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
  SEINET7249204  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  UCD52316  Agrostis exarata var. monolepis B. Crampton 1952-11-9 932 Placer Meadow Vista, about 7 miles east of Auburn. 457 Comment
  UCD36675  Agrostis exarata var. pacifica Beecher Crampton 1955-6-15 2915 Placer Placer County, 6 miles west of Forest Hill. Comment
  CAS-BOT-BC139727  Agrostis gigantea Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CDA15761  Agrostis idahoensis G. F. Hrusa, L. Serafini 1993-6-29 11256 Placer Occasional on poorly drained gravelly flats among granite boulders. Huckleberry oak chaparral within white fir-ponderosa pine forest. S side of French Meadows Reservoir, immed. below dam. Perennial bunchgrass. Comment
  SACT000188  Agrostis idahoensis Michael Baad 1976-7-21 Placer NE corner. 10 miles southeast of Soda Springs. 2377.44 Comment
  UC725839  Agrostis idahoensis A. A. Heller 1919-7-24 13293 Placer near Cisco Comment
  CAS-BOT-BC139003  Agrostis pallens A. A. Heller 1919-7-25 13305 Placer Near the Yuba River below Cisco. 1676 Comment
  UC814990  Agrostis pallens unknown 12892 Placer Summit Station 2121 Comment
  UCD53003  Agrostis rossiae R. Tofsrud 1951-7-1 s.n. Placer near Campton's store, Hwy. 40 (above Nayak). Comment
  CAS-BOT-BC138719  Agrostis scabra Catherine Best 1981-8-2 s.n. Placer Sierra Nevada. Near Lower Hell Hole Reservoir. Comment
  SACT000156  Agrostis scabra D. Meyer 1984-7-15 Placer 4.8 km from the lodge 1909.0 Comment
  SACT000158  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 Comment
  SACT000166  Agrostis scabra D. Meyer 1984-7-8 Placer at lakeside 1758.0 Comment
  SACT000168  Agrostis scabra D. Meyer 1984-8-4 Placer very wet roadside ditch, hillside seeping water, shady 1454.0 Comment
  UC1729974  Agrostis scabra L. P. Janeway, Eric Schroder 1998-9-16 6338 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek); Homewood Quadrangle 2124 Comment
  UC710528  Agrostis scabra John Thomas Howell 1943-7-19 18572 Placer Summit Valley Comment
  SD225  Agrostis stolonifera Unknown Jun 1914 13 48 Placer Summit. Comment
  SD247280  Agrostis stolonifera George K. Helmkamp, Elizabeth Helmkamp 2012-9-25 19904 Placer Northern Sierra Nevada Moutains: Blue Canyon Road, 1.1 miles south of tis intersection with I-80, c. 1/2 mile south of Blue Canyon-Nyack airport (Blue Canyon 7.5'Q) 1473 Comment
  UCD53516  Agrostis stolonifera B. Bolt 1934-8-14 s.n. Placer E. slope of Red Star Ridge. 1767 Comment
  UCD53630  Agrostis stolonifera Beecher Crampton 1975-9-9 9268 Placer Tahoe National Forest, 1/2 mile n.e. Blue Canyon P. O., along edge of Blue Canyon Creek. 1524 Comment
  SACT000207  Agrostis stolonifera var. major D. Meyer 1983-7-30 Placer 1842.0 Comment
  SACT000213  Agrostis tenuis D. Meyer 1984-6-23 Placer 9.76 km from I80 Frontage rd. moist shady roadside ditch. oak, pine, manzanita, assoc 978.0 Comment
  SACT000242  Agrostis thurberiana Michael Baad 1976-8-7 Placer Trailhead to Bear Lake on Rubicon Trail to Bear Lake Canadian Zone 2316.48 Comment
  CAS-BOT-BC138568  Agrostis variabilis Peter Rubtzoff; Edward W. Colson 1976-7-6 8720 Placer Sierra Nevada. Lake Van Norden. 2063 Comment
  SACT000245  Agrostis variabilis D. Meyer 1984-9-23 Placer Dry rocky top of north-facing slope 2315.0 Comment
  SACT000249  Agrostis variabilis Michael Baad 1983-8-27 Placer Trail btw Lower Loch Leven Lake and Salmon Lake 2072.64 Comment
  SACT000251  Agrostis variabilis Michael Baad 1983-8-11 Placer Collected 3 miles west of Alpine Meadows 2133.6 Comment
  UCD22257  Agrostis variabilis Beth Lowe Corbin 1982-8-18 372 Placer 1 1/4 miles SW of The Cedars. NE facing slope, 10% incline. Mostly sun. Occasional. Opening in white fir forest in rocky, fine, sandy, granitic soil. Perennial forming very small tufts. 1813 Comment
  CDA36884  Aira caryophyllea CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  JEPS113247  Aira caryophyllea Lowell Ahart 2007-4-13 13659 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SACT000226  Aira caryophyllea D. Meyer 1984-5-6 Placer 145.5 Comment
  CAS-BOT-BC445327  Alisma lanceolatum L. R. Abrams 1917-9-15 6760 Placer 3-5 mi above Auburn Comment
  UCD44484  Allium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1850 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS56352  Allium amplectens Leland S. Smith 1925-7-13 1671 Placer Picayune Creek Tahoe National Forest, Picayune Creek 1981 Comment
  UC495488  Allium campanulatum Merle Randall 1930-6-17 Placer Big Bend Ranger Station Comment
  CAS-BOT-BC466401  Allium campanulatum D E Breedlove 1962-6-13 3546 Placer Western bank of Lake Tahoe along State Highway 89, 8.3 miles south of Tahoe City; Sierra Nevada 1889 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
  JEPS111330  Allium lemmonii Steve Matson 2005-6-11 1277 Placer Martis Valley, ca 3 miles southeast of Truckee, National Recreation Area (Army Corps) south of 267, northwest of Martis Creek, ca 500 meters west of Parking Area; 39.3006 N, 120.1362 W; Elevation 5840 ft. 1780 Comment
  UC177416  Allium obtusum A. R. Valentien June 1914 Placer Cisco Comment
  CAS-BOT-BC474278  Allium obtusum var. obtusum John H. Thomas; Hazelle A. Thomas 1956-7-21 6087 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC474276  Allium obtusum var. obtusum Alice Eastwood 1912-6-15 417 Placer Five Lakes. Lake Tahoe Region Comment
  CAS-BOT-BC474087  Allium platycaule John H. Thomas; Hazelle A. Thomas 1956-7-21 6091 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  UC3102  Allium platycaule C. J. Fox Jr. July, 1895 Placer near Squaw Peak Comment
  CAS-BOT-BC474082  Allium platycaule L. Smith 1926-5-26 1873 Placer Duncan Canyon, Tahoe Forest 1676 Comment
  UCD149499  Allium sanbornii G. L. Stebbins 1978-5-28 7890 Placer West side of Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1280 Comment
  UC702548  Allophyllum gilioides subsp. violaceum L. S. Rose 1941-7-9 41299 Placer Lake Tahoe, Chambers Lodge (McKinney) 2100 Comment
  UCR120245  Allophyllum gilioides subsp. violaceum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5031 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  OBI41299  Allophyllum gilioides subsp. violaceum Lewis S. Rose 1941-7-9 41299 Placer Chambers Lodge (McKinney), Lake Tahoe ca. open dry flats. 1920 Comment
  JEPS59485  Allophyllum integrifolium Ezra Brainerd and Viola B. Baird 1915-7-23 233 Placer Tahoe City Sierra Nevada Mts., Tahoe City 1905 Comment
  UCD21982  Allophyllum integrifolium Beth Lowe Corbin 1982-8-6 268 Placer 1/2 mile west of Onion Creek campground. 1981 Comment
  UCR191131  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2007-6-12 12316 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCR229554  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-7-26 17903 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
  POM74363  Allophyllum integrifolium Marcus E. Jones 1889-7-11 10184 Placer Emigrant Gap. Comment
  CAS-BOT-BC171251  Alnus John H. Thomas; Hazelle A. Thomas 1956-7-21 6195 Placer Vicinity of Donner Pass, about 80 miles NE of Sacramento. Sierra Nevada 2377 Comment
  RSA463214  Alnus incana subsp. tenuifolia J. H. Nishida 1985-7-10 793 Placer Homewood. 1829 Comment
  UC1093925  Alnus incana subsp. tenuifolia Herbert L. Mason 1929-10-4 5461 Placer on Hwy 40 1 mi n Cisco Comment
  UCR231871  Alnus rhombifolia George K. Helmkamp, E. A. Helmkamp 2010-10-16 17025 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
  SACT002783  Alnus tenuifolia Michael Baad 1983-9-3 Placer Collected from Spitz Inn to wester slope of Mount Judah near summit 2286.0 Comment
  CHSC96477  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
  SJSU11705  Ambrosia artemisiifolia C. T. Osugi 1969-10-4 86 Placer Loomis, 21 miles NE of Sacramento Comment
  JEPS45144 Image available Amelanchier alnifolia var. pumila W. L. Jepson 1918-7-30 7726 Placer near Tahoe City; Lake Tahoe 1920 Comment
  CAS-BOT-BC136774  Amelanchier utahensis Mary P. Wells 1980-9-12 s.n. Placer Near Tahoe City, West end of Pioneer Way 1981 Comment
  CDA37222  Amsinckia intermedia CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD83588  Anaphalis margaritacea Albert Grigarick 2009-8-7 157 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1938 Comment
  UC650444 Image available Androsace occidentalis var. simplex Marcus E. Jones 1884-9-29 Placer Emigrant Gap Comment
  UC1122895  Angelica breweri R. C. Wilson 1934-9-19 72 Placer Tahoe National Forest, Squaw Valley Squaw Valley; Tahoe National Forest, Squaw Valley 2011 Comment
  UCD21840  Angelica breweri Beth Lowe Corbin 1982-8-12 330 Placer Onion Creek campground. In wet soil along streambank. Perennial herb 2 1/2' high. Flowers whitish. Full sun. SW facing slope, 5% incline. Occasional. 1841 Comment
  UCD75949  Angelica breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5190 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. 2161 Comment
  SBBG63421  Antennaria argentea M. N. Ackley -Jun-1925 211 Placer Gold Run 983 Comment
  JEPS111254  Antennaria dimorpha Steve Matson 2005-6-12 1267 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of powerline, 300 meters NW of Golf Course; 39.2981 N, 120.1258 W; Elevation 5835 ft. 1778 Comment
  JEPS126322  Antennaria dimorpha Steve Matson 1998-8-12 319 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; about 600 yards south of Highway 267, 100 yards west of Golf Course Creek. Comment
  JEPS126329  Antennaria luzuloides subsp. luzuloides Steve Matson 2003-7-4 823 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267 and 900 yards west of Martis Creek. Comment
  JEPS111190  Antennaria rosea subsp. rosea Steve Matson 2005-7-4 1358 Placer Martis Valley, southeast of Truckee, National Recreation Area , south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; near trailhead; 39.2923 N, 120.1291 W. Elevation 5,900 ft. 1798 Comment
  CDA25026  Antennaria umbrinella J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SEINET10967848  Anthoxanthum odoratum Alan A. Beetle 1941-5-26 Beetle 2719 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Melica californica, Stipa lemmoni. 914 Comment
  CDA36211  Anthriscus caucalis G. K. Helmkamp, E. A. Helmkamp 2009-5-11 14675 Placer Sierra Nevada Mountains Foothills; Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn. Comment
  CDA36877  Aphanes occidentalis CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UC878847  Apocynum androsaemifolium unknown 122887 Placer Summit Station 2121 Comment
  UCD150266  Apocynum androsaemifolium James A. Neilson Jr. 1971-8-31 2563 Placer Tahoe Basin, King's Beach (Oakwood). 1901 Comment
  UCD22107  Apocynum androsaemifolium Beth Lowe Corbin 1982-8-4 208 Placer 1/4 mile W of Onion Creek Campground. 1889 Comment
  SEINET7923473  Apocynum androsaemifolium P. A. Lehenbauer 1933-8-6 2606 Placer Tahoe near Homewood Comment
  CAS-BOT-BC397905  Aquilegia formosa Alice Eastwood 1912-6-15 406 Placer Deer Park, Lake Tahoe Region. Comment
  SD237579  Aquilegia formosa G. K. Helmkamp, Amy Barnes 2009-7-12 15180 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  UC147572  Aquilegia formosa Harriet A. Walker 1908-6-24 1249 Placer Blue Canyon Comment
  UCD22176  Aquilegia formosa Rex Palmer 1979-6-20 N 350 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR191089  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2007-6-12 12322 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 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
  SEINET12092704  Aquilegia formosa J. H. Nishida 1985-1 782 Placer Homewood: Red Fir Forest 1829 Comment
  RSA99523  Aquilegia formosa var. truncata Marcus E. Jones 1882-6-28 2614 a Placer Emigrant Gap. Comment
  RSA537721  Arabidopsis thaliana Barbara Ertter 1989-4-9 8196 Placer halfway down road to Lake Clementine (N Fork Lake) NE of Auburn. 305 Comment
Read comments
Nov 19 2015
  UCD42842  Arabis eschscholtziana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 208 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA15953  Arabis rectissima G. F. Hrusa, J. Glazner 1999-7-17 15139 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS109848  Arabis rectissima var. rectissima Dean W. Taylor 2005-7-15 19410 Placer Martis Peak, saddle 0.5 air miles E of the summit 2560 Comment
  UC1085341  Arceuthobium americanum Job Kuijt 1957-5-20 1343 Placer 9.2 mi n Tahoe City (on Hwy 89 along Truckee River) 1798 Comment
  UC615467  Arceuthobium americanum Beryl O. Schreiber 1932-9-12 776 Placer Tahoe Meadow Lake Tahoe Comment
  UC1078827  Arceuthobium campylopodum Job Kuijt 1957-5-18 1333 Placer 1 mi n Tahoe City (on Hwy 89) 1798 Comment
  SEINET2116921  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2004-9-8 2004 -28 Placer Alpine Meadows Ski Area. Along Roundhouse Ski Lift 2190 Comment
  CAS-BOT-BC24240  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer W. slope of Sierra Nevada. Gorge Station, CPRR. 1219 Comment
  CAS-BOT-BC26289  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer West slope Sierra Nevada, 3 miles NW of Colfax Comment
  UC517503  Arctostaphylos mewukka Alice Eastwood 1922-4-6 11122 Placer 3 mi above Colfax (near the road) Comment
  SEINET7258492  Arctostaphylos mewukka W. Priest 1956-3-27 s.n. Placer About 1/4 mile east of Colfax 1067 Comment
  OBI14610  Arctostaphylos nevadensis Robert F. Hoover 1967-9-5 10824 Placer Carnelian Bay, Lake Tahoe Comment
  RSA121257  Arctostaphylos nevadensis R. W. Lundh 1933-4-26 237 Placer 3 miles S. Signal Peak. 1829 Comment
  SCFS1105  Arctostaphylos nevadensis subsp. nevadensis E. Krimmel 2013-6-2 Placer Soda Springs Road, south of NF River Comment
  CAS-BOT-BC42145  Arctostaphylos patula Olga Reifschneider 1955-5-29 s.n. Placer Martis Peak Road, Hirschdale, 9 miles east of Truckee 2133 Comment
  UCD21473  Arctostaphylos patula Beth Lowe Corbin 1982-8-18 368 Placer One mile SW of The Cedars. 1828 Comment
  SCFS1103  Arctostaphylos viscida E. Krimmel 2014-6-26 Placer "Land of the Lost": on trail, 1/3 of the way from Serena Creek to Heath Falls Overlook. Comment
  CDA34219  Arctostaphylos viscida D. G. Kelch 2011-5-17 11 .518 Placer Dutch Flat. Comment
  CAS-BOT-BC47054  Arctostaphylos viscida subsp. viscida Brandegee 1889-1-1 132 Placer Blue Canyon. Comment
  CAS-BOT-BC47058  Arctostaphylos viscida subsp. viscida Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat. Comment
  CAS-BOT-BC47059  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-12 A 2 Placer 3 mi. above Colfax. Comment
  POM202780  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11121 Placer 3 miles above Colfax near the road. Comment
  POM209626  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-12 A- 2 Placer 3 miles above Colfax. Comment
  RSA637014  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24919 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  RSA637019  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24925 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  RSA637021  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24912 Placer Forest Hill Road, 13 km west of Forest Hill, northeast of Auburn. 590 Comment
  RSA637027  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24924 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  SACT000295  Aristida oligantha Josephine Van Ess 1974-10-30 Placer Springy, grassy area; collected at large pond adjacent to Salt Spring on Ferrari Ranch Comment
  CAS-BOT-BC82196  Arnica chamissonis Lewis S. Rose 1937-7-29 37612 Placer Tahoe Vista 1905 Comment
  CAS-BOT-BC82204  Arnica chamissonis M. E. Parsons s.n. Placer [Aspengrove] Aspen Grove, Lake Tahoe Comment
  CAS-BOT-BC82209  Arnica chamissonis Alice Eastwood 1909-1 312 Placer Tahoe City Comment
  POM272174  Arnica chamissonis subsp. foliosa Lyman Benson 1942-7-2 11262 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  JEPS20873  Arnica dealbata C. F. Sonne 1888-8-12 473 Placer Truckee River Sierra Nevada Mountains Comment
  JEPS20875  Arnica dealbata Leland S. Smith 1925-1-1 1664 Placer near Middle Fork of the American River; Tahoe National Forest, French Meadows 1828 Comment
  SBBG128842  Arnica dealbata G. K. Helmkamp, E. A. Helmkamp 2010-8-14 16778 Placer American Hill Rd, (Forest Route 13), 4.7 mi S of its jct with Foresthill Rd and just S of a crk crossing 1552 Comment
  CAS-BOT-BC295823  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer Near Pole Creek on Truckee River Comment
  UC477561  Arnica longifolia L. S. Smith 1931-7-15 2608 Placer Mt. Rose country Tahoe Nat. Forest, Mt. Rose 2438 Comment
  CAS-BOT-BC85175  Arnica mollis Arnold Tiehm 1974-8-8 5201 Placer Sierra Nevada, Murphy's Meadow 2407 Comment
  UC91145  Arnica mollis C. F. Sonne 1892-9-1 Placer Truckee River, (meadows) Truckee River Comment
  UC65331  Arnica nevadensis P. B. Kennedy and S. B. Doten 1901-8-10 274 Placer Devils Cliff (summit of) Summit Soda Springs Comment
  CAS-BOT-BC85060  Arnica parryi John Thomas Howell 1938-8-2 13990 Placer 5 miles n. of Brockway Comment
  SACT000346  Arrhenatherum elatius D. Meyer 1983-7-24 Placer Sacramento Road north of I80 Dutch Flat exit, moist, shady roadside. 1030.0 Comment
  SACT000348  Arrhenatherum elatius D. Meyer 1984-6-10 Placer 606.0 Comment
  CAS-BOT-BC85015  Artemisia arbuscula subsp. arbuscula C. F. Sonne 1886-8-15 372 Placer Mt. Topi S. of summit Comment
  SEINET8196674  Artemisia arbuscula subsp. thermopola D. W. Taylor 2013-7-7 21400 b Placer Tinker Knob, east flank (approached from the jeep road along the ridge to the NE). 2648 Comment
  CAS-BOT-BC90400  Artemisia douglasiana Peter H. Raven 1956-8-4 9991 Placer Blue Canyon 1432 Comment
  JEPS16969  Artemisia douglasiana Peter H. Raven 1956-8-4 9991 Placer Blue Canyon Sierra Nevada, Blue Canyon 1432 Comment
  UCD129252  Artemisia douglasiana Rex Palmer Date Unknown N 888 Placer Headwaters basin area of the North Fork of the American River Comment
  UC193585  Artemisia norvegica subsp. saxatilis C. F. Sonne Placer mts. head of Bear Creek (on Truckee River); Truckee River, Bear Creek Comment
  SACT000353  Arundo donax var. donax D. Meyer 1984-5-28 Placer Collected at railroad crossing. 188.0 Comment
  SBBG61524  Asarum lemmonii M. N. Ackley -Jun-1925 7 Placer Towle 1127 Comment
  SEINET178467  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant Gap. Comment
  UCD121370  Asclepias speciosa C. J. W. 1913-7-2 176 Placer Emigrant Gap. Comment
  CAS-BOT-BC474548  Asclepias speciosa James A. Neilson 1971-7-25 2283 Placer Tahoe Basin, King's Beach 1901 Comment
  SCFS11529135  Aspidotis densa E. Krimmel, F. Felix 2012-9-13 Placer NFAm, on trail. Tucked around rocks in shallow ravine. Comment
  UC399499  Aspidotis densa Mrs. Carlotta C. Hall June 1910 Placer n slope of Yuba River Cisco 1676 Comment
  CDA25020  Aster eatonii J. Glazner 2000-9-2 Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  POM58879  Aster integrifolius C. F. Sonne 1897-08 12382 Placer Canyons above Coldstream Comment
  POM57806  Aster occidentalis C. F. Sonne 1897-07 12321 Placer Canyon above Coldstream Comment
  RSA714090  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9983 Placer Northern Sierra Nevada Mts.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca. 2.2 miles west of CA Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  SCFS1172  Asteraceae E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Road at Chickering. Comment
  SCFS1187  Asteraceae E. Krimmel 2014-4-21 Placer NFAm. 200 yards south of Pt. Mariah warming hut Comment
  SCFS1127  Asteraceae E. Krimmel 2013-6-13 Placer NFAm. Split stop #2. Comment
  POM19452  Astragalus austiniae C. F. Sonne 1897-7-18 s.n. Placer Tinkers Knob. 2744 Comment
  JEPS127432  Astragalus cicer Steve Matson 2003-8-15 910 Placer nSNH north Lake Tahoe; Dollar Hill 3 miles east if Tahoe City. Comment
  CHSC118009  Asyneuma prenanthoides G. K Helmkamp; E. A Helmkamp 2008-9-15 14114 Placer Northern Sierra Nevada Mountains: along Foresthill Road 20 miles northeast of the city of Forest Hill. 1707 Comment
  CDA36968  Avena barbata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CAS-BOT-BC146153  Avena fatua Peter H. Raven 1954-4-16 6609 Placer 7 miles south of Lincoln on road to Roseville. Comment
  UCR259863  Baccharis pilularis George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22460 Placer Sacramento Valley, Highway CA-193 (Lincoln-Newcastle Hwy) at the junction with Gold Hill Road, 3.8 miles northwest of US-80 114 Comment
  CHSC26005  Balsamorhiza hookeri James Henrickson 1969-5-25 3405 Placer 102 mi NE of Sacramento, 4 mi SE of Truckee along Hwy 267. 1828 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-BC100093  Balsamorhiza sagittata Alice Eastwood 1909-1 262 Placer Deer Park Comment
  UC147603  Barbarea orthoceras Harriet A. Walker 1908-6-25 1307 Placer Cisco, Placer Co. 1810 Comment
  UCR250072  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-5-3 20485 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
  CDA12379  Barbarea vulgaris G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8507 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  SEINET5783763 Image available Barbarea vulgaris Marcus E. Jones 1882-1 2621 Placer Emigrant Gap Comment
  CAS-BOT-BC75987  Berberis pumila L. S. Smith 1926-4-16 1774 Placer Tahoe Forest. Forest Hill Ridge. 1219 Comment
  CAS-BOT-BC413046  Bistorta bistortoides Alice Eastwood 1912-6-15 s.n. Placer Tahoe City, Lake Tahoe Region Comment
  CAS-BOT-BC413048  Bistorta bistortoides Alice Eastwood 1909-1-1 74 Placer Lake Tahoe Region. Sunnyside Comment
  SEINET4176621  Bistorta bistortoides L. Miller 1934-5-20 s.n. Placer Between Truckee and Tahoe Comment
  RSA20887  Blennosperma nanum C. B. Wolf 1937-3-30 8350 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  JEPS53134  Boechera covillei C. F. Sonne Jul 1887 1390 Placer Mountain Meadows on Truckee River Truckee River Comment
  CAS-BOT-BC14254  Boechera pinetorum Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside. Comment
  UC855523  Boechera platysperma Alice Eastwood Jun 15 1912-Jun 19 1912 476 Placer Deer Park Lake Tahoe Region Comment
  UCD22334  Boechera retrofracta Beth Lowe Corbin 1982-8-2 157 Placer Onion Creek Campground. S facing slope. Partial shade. Uncommon clumps of about 25 plants. In shallow, conifer litter over fine, sandy, granitic soil in mixed evergreen forest. Biennial herb, flowers white. 1841 Comment
  UCD22341  Boechera retrofracta Rex Palmer 1979-6-20 N 311 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC1127175  Boykinia major N. French 1934-7-7 498 Placer Texas Hill; Tahoe National Forest, Colfax Quad., Texas Hill Comment
  UCR66500  Boykinia major Fay A. MacFadden 1934-8-3 12751 Placer Sierra Nevada Mtns., Canyon Creek, near Baxter's, Alta 1189 Comment
  RSA466759  Boykinia occidentalis Fay A. MacFadden 1934-7-1 12581 Placer Canyon Creek - Dutch Flat. Comment
  UCR190583  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2007-9-14 12961 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  HSC82269  Briza minor Thomas W. Nelson, Jane P. Nelson 1979-4-11 4596 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UCD36145  Briza minor Beecher Crampton 1953-2-11 972 Placer Placer County, 2 miles north of Lincoln, on road to Sunnybrook Farm Hereford Ranch. Comment
  UCSB45767  Briza minor Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  CAS-BOT-BC482161  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  SEINET9364702  Brodiaea elegans Unknown 2010-6-26 16372 Placer Sierra Nevada Mountains Foothills Comment
  JEPS7635  Brodiaea elegans subsp. elegans W. H. Shockley Placer Auburn Comment
  UCD22038  Brodiaea elegans subsp. elegans Beth Lowe Corbin 1982-8-9 285 Placer 1/2 mile SW of Onion Creek. 1767 Comment
  RSA21283  Brodiaea minor Carl B. Wolf 1937-5-12 8627 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  CAS-BOT-BC144326  Bromus W. R. Dudley 1900-6-28 s.n. Placer Tallac. Comment
  UC2042516  Bromus carinatus Holly Forbes and Barbara Keller 2010-7-13 Placer Tahoe National Forest, at Chalet Road near the intersection of road to parking area and Subway Lift at Alpine Meadows Ski Resort Comment
  UCD43285  Bromus carinatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 653 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD57888  Bromus carinatus Beecher Crampton 1969-7-1 8491 Placer Nyack Lodge area (W. of Emigrant Gap). Interstate Hwy. 80 eastbound. Comment
  UCSC000050  Bromus carinatus N. French 1934-6-22 s.n. Placer 0.5 mile W. of Dulzura - Truckee, Tahoe N.F. 2134 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
  CAS-BOT-BC148725  Bromus carinatus var. marginatus Gordon H. True 1968-7-10 4368 Placer Highway 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Road. 1554 Comment
  CAS-BOT-BC156283  Bromus catharticus John Thomas Howell; Gordon H. True 1968-6-9 44512 Placer Sierra Nevada. Alta. 1066 Comment
  CHSC73252  Bromus ciliatus L. P. Janeway 1998-8-6 5994 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SACT000492  Bromus commutatus D. Meyer 1984-6-3 Placer 585.0 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-BC155986  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  SACT000525  Bromus diandrus Michael Baad 1983-5-5 Placer One mile north of Placer hills Road, 2 miles from Colfax. Open hillside, north-facing slope. 609.6 Comment
  SACT000529  Bromus diandrus D. Meyer 1983-6-18 Placer 1170.0 Comment
  SACT000533  Bromus diandrus D. Meyer 1984-4-15 Placer roadside appears to have been a vernal pool, dry 37.0 Comment
  CAS-BOT-BC155445  Bromus hordeaceus Peter H. Raven 1954-4-16 6607 Placer 7 miles south of LIncoln on road to Rosevill. Comment
  CDA36882  Bromus hordeaceus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SACT000495  Bromus hordeaceus D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure 231.648 Comment
  SEINET4399678  Bromus hordeaceus W. D. Billings 1940-5-18 1312 Placer Gold Run Comment
  UCD74183  Bromus inermis subsp. inermis Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-27 240 Placer Northstar active ski area, off Hwy 267, Lookout Mountain - collected from center of 'Prosser' ski run. 2373 Comment
  CDA15965  Bromus laevipes G. F. Hrusa, J. Glazner 1999-7-17 15123 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74911  Bromus laevipes Susi Urie; Eric Schroder 1998-9-8 98 -288 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SACT000596  Bromus laevipes D. Meyer 1984-6-3 Placer dam lookout 224.0 Comment
  SACT000598  Bromus laevipes D. Meyer 1984-6-10 Placer 3.2 km southwest of Colfax, steep shady cliff along slowly moving stream 606.0 Comment
  UCD58913  Bromus laevipes A. A. Beetle 1941-5-26 2726 Placer Near Cisco. 914 Comment
  SACT000632  Bromus madritensis D. Meyer 1983-6-18 Placer Moist roadside stream 667.0 Comment
  SACT000635  Bromus madritensis D. Meyer 1983-6-5 Placer along turn-off, roadside 487.68 Comment
  UCD58997  Bromus madritensis A. A. Beetle 1941-5-26 2709 Placer Near Cisco. 914 Comment
  SACT000691  Bromus marginatus D. Meyer 1983-10-22 Placer from base of Searchlight chairlift to base of Olympic Lady chairlift, downhill ski area, straw added for erosion control 2000.0 Comment
  SACT000700  Bromus marginatus D. Meyer 1983-8-7 Placer east bank 1879.0 Comment
  UC1131321  Bromus marginatus B. Bolt 1934-8-14 180 Placer Tahoe National Forest, Red Star Ridge Red Star Ridge; Tahoe National Forest, Red Star Ridge 1767 Comment
  CAS-BOT-BC162163  Bromus orcuttianus Peter H. Raven 1956-8-4 9999 Placer Sierra Nevada. 1.0 mile from Blue Canyon on road to Emigrant Gap. Comment
  CAS-BOT-BC174234  Bromus orcuttianus G. K. Helmkamp; Amy Barnes 2009-7-12 15177 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  SACT000616  Bromus orcuttianus D. Meyer 1983-8-20 Placer to summit at first lake, steep ricky trail with moist meadow areas 2000.0 Comment
  SACT000618  Bromus orcuttianus D. Meyer 1984-7-29 Placer 1645.92 Comment
  SACT000623  Bromus orcuttianus Michael Baad 1983-7-15 Placer 1 mile east of junction with road tp Brushy Springs Station, open black oak, poderosa pine forest 1524.0 Comment
  UCR215974  Bromus orcuttianus George K. Helmkamp, Amy Barnes 2009-7-12 15177 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  SACT000676  Bromus sterilis D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure. 231.648 Comment
  SACT000678  Bromus sterilis Michael Baad 1983-4-17 Placer descending to middle fork of the American River. serpetine outcrop. 411.48 Comment
  SACT000758  Bromus suksdorfii Michael Baad 1983-8-11 Placer on trail to Mildred Ridge 2133.0 Comment
  SACT000768  Bromus tectorum Michael Baad 1977-6-8 Placer Forest Hill and French Meadows roadside in serpentine and chaparral community Comment
  UCD60059  Bromus tectorum Beecher Crampton 1955-6-15 2874 Placer Bunch Canyon head, 1 mile south of U. S. Hwy. 40, on the Forest Hill road. Comment
  SACT000775  Bromus tectorum var. tectorum D. Meyer 1983-8-7 Placer 3.2 km North of Tahoe City 1879.0 Comment
  SEINET3924084  Calamagrostis canadensis Ellen Dean 2008-7-20 5249 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.; 0 2099 Comment
  CHSC72323  Calliscirpus brachythrix L. P. Janeway 1998-9-18 6344 Placer Small meadow just below the Pacific Crest Trail about 2.4 mi north of Barker Pass; draining into North Fork Blackwood Creek. 2331 Comment
  UCSB45754  Callitriche marginata Reisentz, Paul 1979-5-11 Placer 1 mile south of Sheridan on Highway 65 Comment
  JEPS42836  Callitriche marginata W. L. Jepson 1938-4-5 18578 a Placer Sacramento to Auburn Comment
  CAS-BOT-BC85752  Calocedrus decurrens M. S. Jussel 1930-6-27 s.n. Placer Camp Baxter 1676 Comment
  CAS-BOT-BC85753  Calocedrus decurrens Saichi Kawahara 1969-5-25 1020 Placer Ridge, east of old cabin, Mel Henderson Ranch, Indian Creek. 1036 Comment
  CDA34203  Calocedrus decurrens D. G. Kelch 2011-5-17 11 .519 Placer Dutch Flat. Comment
  CAS-BOT-BC438817  Calochortus albus George K. Helmkamp; Mary Alice Barnes 2013-4-18 20358 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
  CHSC3436  Calochortus albus Judy Potter 1966-4-8 Placer Folsom-Auburn Pony Express Trail. Area of P. G. E. reservoir above Rattlesnake Bar. Comment
  SEINET11261459  Calochortus albus George Helmkamp, E. A. Helmkamp 2012-5-5 18912 Placer Northern Sierra Nevada Mountains Foothills on Lake Clementine Road, 1.2 miles W of the junction with Foresthill Road. 0.3 air miles SE (123 degrees) of Clementine Dam on the American River.; 0 396 Comment
  UCR194974  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11998 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  UC3364  Calochortus albus Mrs. King and N. D. Roberts 1892-5-1 Placer Comment
  CAS-BOT-BC487808  Calochortus coeruleus W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  UCR191104  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12327 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCD150567  Calochortus minimus James A. Neilson Jr. 1971-7-17 2239 Placer Tahoe Basin, McKinney Lake drainage. 2023 Comment
  CDA19538  Calochortus monophyllus M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 244 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
  CHSC40082  Calochortus monophyllus L. Constance; J. L. Morrison 1938-4-30 2172 Placer At E. edge of Applegate, Sierra Nevada foothills. 60 Comment
  SD240790  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18958 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road (Foresthill 7.5'Q) 1139 Comment
  UC197247  Calochortus monophyllus C. F. Sonne 1891-5-17 Placer Colfax Comment
  UCD139566  Calochortus monophyllus J. L. Wirka 1995-5-19 s.n. Placer approximately one from the trailhead of the Steven's Trail that descends the north fork of the American River Canyon outside of Colfax south of 1-80. 400 Comment
  RSA0000324  Calochortus nuttallii var. subalpinus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC194211  Calycadenia multiglandulosa John H. Redfield 1892-8-7 179 Placer Dutch Flat Sierra Nevada, Dutch Flat Comment
  UC935701  Calycadenia multiglandulosa David D. Keck and J. Clausen 1932-7-1 1590 Placer 2 mi n of Auburn 426 Comment
  CAS-BOT-BC270645  Calycadenia multiglandulosa John Thomas Howell 1929-10-4 4432 Placer 2.4 miles below Weimar on road to Colfax Comment
  UC1876651  Calycadenia spicata Gerald D. Carr 1971-8-15 631 Placer Karchner Rd., ca 6 mi E of Wheatland. 60 Comment
  UC1136657  Calyptridium monospermum N. French 1934-5-24 367 Placer North Fork of North Fork American River North Fork American River; Tahoe National Forest, North Fork American River 1341 Comment
  UC126869  Calyptridium monospermum Miss H. A. Walker 1908-6-23 1207 Placer Blue Canyon Station; Sierra Nevada, Blue Canyon Station 1470 Comment
  UC148961  Calystegia malacophylla H. M. Hall 1910-7-4 8739 Placer Cisco Sierra Nevada Mountains, Cisco 1798 Comment
  UCD126139  Calystegia occidentalis A. S. Crafts 1926-5-1 791 Placer American River Canyon. Comment
  CDA33597  Calystegia occidentalis subsp. fulcrata Dale Woods 2010-8-12 s.n. Placer Finning Mill Road. One mile more or less to Hughes Mill. 0 Comment
  UCR232625  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16643 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  CAS-BOT-BC418637  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff; K. Van Zuuk; B. Ertter 2012-6-12 22053 Placer Tahoe National Forest, 7.5 miles NE of Foresthill, on Finning Mill Road 5.6 miles from Foresthill Divide Road 1098 Comment
  CHSC112054  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22051 Placer Tahoe National Forest,8.2miles NE of Foresthill on Sugar Pine Road 4.4 miles from Forest Hill Road. 1170 Comment
  UC1965415  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22053 Placer Tahoe National Forest, 7.5 miles NE of Forest Hill, on Finning Mill Road 5.6 miles from Forest Hill Divide Road Comment
  CAS-BOT-BC267279  Campanula Mary P. Wells 1980-9-12 s.n. Placer Pioneer Way, Tahoe City Comment
  JEPS16329  Campanula prenanthoides Peter H. Raven 1956-8-4 9976 Placer Blue Canyon Sierra Nevada 1432 Comment
  SEINET9262034  Campanula prenanthoides George K. Helmkamp, Elizabeth Helmkamp 2013-1 20801 Placer Northern Sierra Nevada Mountains Foothills; Yankee Jims Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5 Q) 768 Comment
  SEINET10463036  Campanula prenanthoides Wiegand 1921-8-26 WIEGAND 2397 Placer Blue Canyon, Donner Pass road 1219 Comment
  SEINET10463221  Campanula prenanthoides Smith 1925-8-13 Smith 1699 Placer TAHOE FOREST, BELOW PINE NUT MINE, SEC. 17 1829 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
  JEPS111306  Cardamine breweri Steve Matson 2005-7-4 1377 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; along fenceline; 39.2866 N, 120.1401 W: elevation 5,900 ft. 1798 Comment
  UCD41253  Cardamine californica Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1710 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 2.5 road miles from Main St. 1066 Comment
  UCR270279  Cardamine cordifolia John F. Emmel 2002-6-23 1756 Placer Sierra Nevada Mountains, northern Lake Tahoe region, Middle Martis Creek 2195 Comment
  CAS-BOT-BC38117  Cardamine pensylvanica Alice Eastwood 1912-6-15 454 Placer Lake Tahoe Region. Deer Park. Comment
  CAS-BOT-BC281743  Carduus pycnocephalus J. H. Wilson 1968-6-6 s.n. Placer Dick Cook Rd, Loomis Comment
  CAS-BOT-BC18344  Carex Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  UCD42975  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 344 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC72892  Carex angustata L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5764 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC74283  Carex angustata Susi Urie 1998-8-25 98 -099 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74285  Carex athrostachya Susi Urie 1998-9-1 98 -177 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74286  Carex athrostachya Susi Urie 1998-8-28 98 -131 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  POM80460  Carex bolanderi Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC34448  Carex deflexa var. boottii Marcus E. Jones 1882-6-30 3307 Placer Emigrant Gap. Comment
  SEINET7556732 Image available Carex densa Alice Eastwood, John Thomas Howell 1937-5-8 4364 Placer Near Rocklin. Comment
  RSA115454  Carex feta Beecher Crampton 1955-6-15 2865 Placer Head of Bunch Canyon, Forest Hill Road junction with U. S. Highway 40, 3 miles east of Weimar. Comment
  OBI6445  Carex fracta Robert F. Hoover 1967-9-7 10853 Placer Antone Meadow Comment
  SEINET7587709 Image available Carex fracta Robert F. C. Naczi 2006-8-3 11406 Placer Ca 4.2 mi E of town of Cisco Grove, 1.0 mi W of Nevada Co border, S of E-bound lanes of I-80, 0.4 mi W of overpass for exit 171 (Kingvale Exit). 1852 Comment
  CHSC67704  Carex heteroneura var. heteroneura James D. Jokerst 1986-7-13 2707 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  SEINET12636881  Carex jepsonii D. Keil 1978-1 K 12945 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UC830176  Carex jonesii Alice Eastwood Jun 15 1912-Jun 19 1912 472 Placer Tahoe City Lake Tahoe Region Comment
  POM248612  Carex jonesii J. T. Howell 1938-8-2 14000 Placer 5 miles north of Brockway. Comment
  UCD42893  Carex lenticularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 261 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43317  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 685 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC31818  Carex luzulifolia A. A. Heller 1903-8-17 7187 Placer Above Donner Pass. 2286 Comment
  CHSC67709  Carex luzulifolia James D. Jokerst 1986-7-13 2719 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, in Sheet Valley. 2133 Comment
  JEPS49033  Carex luzulifolia Leland S. Smith 1927-8-12 2215 Placer E and NE slopes, Squaw Peak and Upper Basin, Tahoe National Forest 2438 Comment
  CAS-BOT-BC32454  Carex luzulifolia var. strobilantha Amos Arthur Heller 1903-8-17 7187 Placer Above Donner Pass 2286 Comment
  SEINET7546989  Carex luzulifolia var. strobilantha A. A. Heller 1903-1 7187 Placer Above Donner Pass Comment
  UCD43337  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 705 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC710481  Carex mariposana John Thomas Howell 1943-7-27 18876 Placer near Tahoe Pines (Lake Tahoe) Comment
  CHSC89806  Carex microptera G. F. Hrusa; J. Glazner 2000-7-1 15604 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
  UC833300  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer ca 1 mi w Baxter Comment
  SEINET10817223  Carex multicaulis Charles L. Hitchcock 1940-5-7 Hitchcock 6309 Placer 1 mile west of Baxter. Comment
  CDA15924  Carex nebrascensis G. F. Hrusa, J. Glazner 1999-7-17 15175 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC73100  Carex nebrascensis L. P. Janeway 1998-8-6 5977 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UCD43276  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 644 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44595  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1961 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC119847  Carex nebrascensis John Thomas Howell 1938-8-2 14004 Placer 5 mi N of Brockway. Comment
  CAS-BOT-BC119690  Carex nervina Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
  JEPS111264  Carex nervina Steve Matson 2005-9-11 1522 Placer Tahoe west shore, technically just outside the Tahoe Basin, 800 meters northwest of Barker Pass/PCT trailhead, where PCT crosses stream. 39.0789N 120.2417W; elevation 8,033 ft. 2448 Comment
  JEPS14034  Carex nudata Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Juan Hunziker, Alex Hawkes, ... 1952-7-19 3851 Placer 1/2 mi above bridge on Iowa Hill to Colfax road (below Cape Horn on the S.P. RR); North Fork of the American River 381 Comment
  SD167386  Carex obnupta Darley F. Howe 1951-5-2 Placer 456 Comment
  CHSC74304  Carex pachystachya Susi Urie; Eric Schroder 1998-9-8 98 -301 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC74292  Carex pellita Susi Urie 1998-9-1 98 -188 Placer Lake Tahoe Basin Management Unit, National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  UC810  Carex praegracilis H. N. Bolander 1865-4-11 4549 Placer near Auburn Comment
  CAS-BOT-BC118342  Carex praegracilis Alice Eastwood; John Thomas Howell 1937-5-8 4363 Placer Between Newcastle and Penryn. Comment
  UCD42784  Carex raynoldsii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 150 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD74101  Carex rossii Jennifer W. Burt; Sarah Shannon 2005-7-8 7 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  CAS-BOT-BC117443  Carex senta L. S. Smith 1927-8-12 2239 Placer Upper Squaw Creek Basin. 2286 Comment
  UCD140832  Carex senta Diane de Polo 1964-4-25 30 Placer 7 miles northwest of Auburn. 365 Comment
  CHSC74309  Carex simulata Susi Urie 1998-9-3 98 -226 Placer Lake Tahoe Basin Management Unit. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  RSA35101  Carex simulata J. T. Howell 1943-7-22 18696 Placer Summit Valley. Comment
  CAS-BOT-BC117695  Carex simulata James A. Neilson 1971-8-22 2372 Placer Near King's Beach. Comment
  RSA501133  Carex spectabilis John F. Emmel 1974-7-25 525 Placer Slope 0.3 air mile E of Lake Mary, SE of Donner Pass. 2317 Comment
  UCR179196  Carex straminiformis Rex Palmer 1979-7-9 N- 444 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  SEINET10749869  Carex straminiformis A. Arthur Heller 1917-8-14 Heller 12927 Placer Mt. Lincoln south of Summit valley, elevation about 8200 feet on a steep gravelly slope, with a few scattered trees of Hesperopeuce Mertensiana near the crest. Comment
  CAS-BOT-BC116560  Carex subfusca Lewis Samuel Rose 1941-7-17 41318 Placer Chambers Lodge, Lake Tahoe. 1898 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
  CHSC106457  Carex subfusca Peter F. Zika 2010-8-10 25307 Placer Northern Sierra Nevada Highlands (n SNH). Above E shore of Truckee River, Route 89, 12 air km NE of Lake Tahoe, opening in Pinus Jeffreyi. 1810 Comment
  CHSC74892  Carex subfusca Susi Urie; Eric Schroder 1998-9-8 98 -302 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SEINET4286147 Image available Carex subfusca K. Chung, Matson, S 2009-1 1071 Placer Lake Tahoe, north side. Comment
  UCD43087  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 455 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
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Nov 18 2008
  RSA43475  Carex utriculata L. S. Rose 1944-7-25 44244 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  CAS-BOT-BC115401  Carex utriculata Catherine Best 1938-8-2 14001 Placer 5 mi N of Brockway Comment
  POM313110  Carex vesicaria Malcolm A. Nobs, S. Galen Smith 1949-8-21 1517 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe 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
  UC710439  Carex whitneyi Lewis S. Rose 1944-7-26 44279 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UCD140983  Carex whitneyi Mrs. H. P. Kelley 1915-6-23 s.n. Placer Squaw Valley. Comment
  CAS-BOT-BC114929  Carex whitneyi R. K. Gierisch; D. H. Esplin 1969-7-11 3523 Placer Big Bend, 1828 Comment
  SACT002854  Castanopsis sempervirens Michael Baad 1977-6-1 Placer Collected at trail head. 0.5 km north of Forest Hill Divide Road. 2 km north of Skunk Spring Comment
  UCD21858  Castilleja Rex Palmer 1979-6-19 N 234 Placer Exact location unknown. Comment
  SCFS1148  Castilleja applegatei E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  JEPS8664  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-20 3892 Placer about 2 mi e and below Forest Hill (n side of Middle Fork Canyon (American River), at Volcano Canyon, along oiled road of lumber company); Middle Fork Canyon (American River), Volcano Canyon 762 Comment
  HSC82236  Castilleja attenuata Thomas W. Nelson 1979-4-10 4580 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  SEINET13773067  Castilleja exserta D. F. Erskine 1941-4-26 5 Placer 2 miles E of Roseville. 76 Comment
  UCR253124  Castilleja foliolosa George K. Helmkamp, Amy Barnes 2014-4-23 22822 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
  POM284543  Castilleja miniata Lyman Benson 1942-7-2 11263 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  SJSU2006  Castilleja miniata R. L. Fisher 1957-8-5 Placer Emigrant Meadow on headwater of Sugarbowl Cr (S Fork Yuba R), 3 mi S of Norden 2286 Comment
  JEPS27221  Castilleja miniata E. R. Blakley 1960-9-2 3803 Placer mouth of Carnelian Creek Carnelian Creek; Lake Tahoe 1905 Comment
  UC26448  Castilleja miniata A. M. Carpenter 1893-8 Placer Comment
  CHSC74125  Castilleja miniata subsp. miniata Susi Urie 1998-8-17 98 -049 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 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
  JEPS71625  Castilleja nana Gladys L. Smith 1972-6-20 3270 Placer Ward Peak 2286 Comment
  SEINET14151850  Castilleja nana M. J. Williams 1985-7-13 85- 62 -1 Placer Sierra Nevada, near summit of old Donner Highway, near the beginning of the Pacific Crest Trail. 2152 Comment
  SD114371  Castilleja pilosa Darley F. Howe 1971-7-2 4759 Placer Near Lake Tahoe, El Dorado National Forest 1890 Comment
  POM42519  Castilleja pruinosa Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. 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
  JEPS103926  Castilleja pruinosa T. I. and F. M. Chuang 1991-6-29 7841 Placer Sugar Pine Reservoir Dam. Comment
  JEPS103347  Castilleja tenuis Lowell Ahart 2002-7-22 9899 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  SBBG26764  Ceanothus X connivens C. L. Hitchcock 1940-5-7 6330 Placer 1 mi W of Baxter Comment
  UC1281387  Ceanothus X flexilis G. Townsley, H. E. McMinn 1941-8-23 5367 Placer on road to Dutch Flat 1/8 mi n Mote Vista; n of Mote Vista Comment
  UCD168259  Ceanothus arcuatus M. Bibbo 2017-7-21 201 Placer Tahoe National Forest, Chipmunk Ridge, ca. 1 mile as the crow flies SE of French Meadows Reservoir. 0.63 miles SW off of Forest Service Road 48 along the ridge. 1956 Comment
  JEPS127521  Ceanothus cordulatus Steve Matson 1998-6-24 286 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave., under power lines. 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
  SACT002903  Ceanothus cuneatus Michael Baad 1976-6-16 Placer Collected on trailhead along road between Robinson Flat Soda Springs. Comment
  SEINET5339267  Ceanothus cuneatus C. Bell 1962-3-17 36 Placer 2 mi. east of Auburn; above north fork of American River. 244 Comment
  SCFS11529132  Ceanothus fresnensis E. Krimmel 2012-9-13 Placer NFAm trailside, away from water. Comment
  UCD22199  Ceanothus fresnensis Beth Lowe Corbin 1982-8-4 215 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 20% inclination. Full sun. Locally common. In opening in montane chaparral, inrocky, fine, sandy, granitic soil. Low, compact, rigidly branched shrub. Light dry bark, reddish twigs and fruit. Less than 1 ft tall, 3 ft across. 1950 Comment
  UCD22202  Ceanothus fresnensis Rex Palmer 1979-5-26 N 4 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  UCD22204  Ceanothus fresnensis Rex Palmer 1979-5-27 N 110 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA30737  Ceanothus integerrimus A. A. Heller 1917-6-16 12679 Placer Red clay soil near Dutch Flat. 915 Comment
  SACT002924  Ceanothus integerrimus Michael Baad 1977-4-13 Placer 0.8 mile north of PLacer Hills Road on Milk Ranch Road leading to Bear River Camp. High road bank to the east of road, sunny slope. Comment
  UCD111987  Ceanothus integerrimus K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles east of Forest Hill (town). 900 Comment
  CAS-BOT-BC51157  Ceanothus lemmonii H. L. Mason 1926-5-29 3285 Placer Donner Pass Road near Alta Comment
  UC1070796  Ceanothus lemmonii N. French 1933-5-16 57 Placer 3 mi se Colfax; Colfax quad. 670 Comment
  CAS-BOT-BC63394  Ceanothus prostratus Brandegee 1889-1-1 76 Placer Blue Canyon. Comment
  CAS-BOT-BC63398  Ceanothus prostratus Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe. Comment
  CAS-BOT-BC63399  Ceanothus prostratus Brandegee 1889-4-1 72 Placer Blue Canyon. Comment
  POM145273  Ceanothus prostratus Simonds 1928-05 s.n. Placer Above Grass Valley Comment
  UC1071287  Ceanothus prostratus N. French 1934-6-22 471 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. Comment
  CAS-BOT-BC52882  Ceanothus tomentosus var. tomentosus H. E. McMinn 1926-5-29 1708 M Placer 10.6 mi. west of Crystal Springs Comment
  CAS-BOT-BC52883  Ceanothus tomentosus var. tomentosus H. E. McMinn 1926-5-29 1708 Placer 10.6 mi. west of Crystal Springs Comment
  RSA121653  Ceanothus velutinus H. S. Yates 1934-6-30 3958 Placer Carnelian Bay, Truckee, Placer. 1921 Comment
  SEINET5430947  Ceanothus velutinus E. Neese 1980-10-15 9983 Placer Ca 2 mi E of Cisco- along I-80- 500 ft. Comment
  UC18467  Ceanothus velutinus var. velutinus C. F. Sonne Jul 24 1892-Jul 27 1892 6 Placer fl. woods on Truckee River Sierra Nevada Mountains, fl Truckee River, fr nr Truckee (fr hillside near Truckee) Comment
  CAS-BOT-BC281943  Centaurea benedicta Brandegee No date on label s.n. Placer Roseville Comment
  RSA755303  Centaurea maculosa George K. Helmkamp, E. A. Helmkamp 2009-8-12 15421 Placer Forest Hill road, 14.0 miles northeast of the city of Foresthill 1564 Comment
  SEINET2441556  Centaurea maculosa George K. Helmkamp, E. A. Helmkamp 2009-8-12 15421 Placer Sierra Nevada Mountains: Forest Hill road, 14.0 miles northeast of the city of Foresthill (Westville 7.5' Q.). 1564 Comment
  CDA36362  Centaurea maculosa Bob Graton/Wendy West 2011-9-23 PDR# 1332991 Placer Squaw Valley Ski Resort. 0 Comment
  CDA7269  Centaurea maculosa T. C. Fuller 1965-8-1 13942 Placer Sierra Nevada; Sierra Nevada. South side of the westbound lanes of Interstate 80 freeway, 1.4 miles east of Emigrant Gap. Comment
  UCR231863  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-10-16 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
  CDA7328  Centaurea solstitialis T. C. Fuller 1958-4-15 3800 Placer 1 mile south of Roseville. 0 Comment
  SEINET7379746 Image available Centromadia fitchii A. Tiehm 1973-9-23 s.n. Placer [Sierra Nevada] Donner summit at Kingvale turnoff 2073 Comment
  UCD130182  Centromadia fitchii J. Kirkpatrick 1952-7-23 s.n. Placer Loomis. Comment
  UC538039  Cephalanthera austiniae Miss E. E. Morse 1934-4-2 Placer Towle, Baxter's Camp Comment
  SEINET7347793  Cercis canadensis J. Martin 1959-3-20 s.n. Placer 5 miles west of Colfax on US highway 40, then on a secondary road north 2 miles 366 Comment
  SEINET11266303  Chaenactis douglasii George Helmkamp, E. A. Helmkamp 2010-7-28 16664 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat (Duncan Peak 7.5' Q.); 0 2039 Comment
  UCD21702  Chaenactis douglasii Beth Lowe Corbin 1982-8-4 210 Placer 1/3 mile west of Onion Creek campground. In rocky and fine, sandy soil. Opening in montane chaparral. Perennial herb with purplish stems, creme colored flowers. Full sun. West facing slope, 30% incline. Uncommon. 1859 Comment
  CAS-BOT-BC276715  Chaenactis douglasii var. douglasii Nora Pettibone; Frank W. Hubby 1892-8-1 s.n. Placer Lake Tahoe 1828 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
  UC1119686  Chaenactis douglasii var. douglasii H. S. Yates 1934-6-29 3891 Placer near Bijou; El Dorado National Forest, Markleeville 1920 Comment
  UCR120251  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5040 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 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
  UCD41263  Chaenactis glabriuscula Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1720 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
  CAS-BOT-BC141723  Chamaebatia foliolosa C. B. Wolf 1931-9-11 1299 Placer 1 mile west of Gold Run - Sierra Nevada 914 Comment
  RSA122278  Chamaebatia foliolosa G. T. Nordstrom 1934-6-20 126 Placer At Mammoth Springs. 1677 Comment
  UCD21955  Chamaebatia foliolosa Brian Vanden Heuvel 2002-7-3 160 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
  SEINET6336151  Chamaebatia foliolosa W. D. Billings 1940-5-18 1318 Placer Area around Placer mines Gold Run Comment
  UCD75775  Chamaesaracha nana Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck, K. Mawdsley 2008-7-20 5255 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along road paralleling Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon, near railroad tunnel. 2063 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
  JEPS115011  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2007-11-13 14593 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
  UCD103665  Chamerion angustifolium subsp. circumvagum G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12641 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  UCD44004  Chamerion angustifolium subsp. circumvagum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1370 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC1874972  Cheilanthes gracillima Ruth Kirkpatrick 2001-7-16 1064 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  UCD97925  Chenopodium berlandieri G. K. Helmkamp; E. A. Helmkamp 2005-9-30 9952 Placer Northern High Sierra Mountains: Junction of Chalet and Alpine Meadows Roads W of CA-89 (near Alpine ski area). 2081 Comment
  POM164804  Chenopodium pumilio A. M. Carpenter s.n. Placer [No further location information] Comment
  UCD21922  Chimaphila menziesii Beth Lowe Corbin 1982-8-3 192 Placer 1/8 mile NW of Onion Creek campground. In 2 inch conifer needle duff, over fine, sandy, granitic soil. Petals white, calyx with red edge. Mostly shade. Uncommon, widely scattered. SW facing slope. 1853 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
  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
  UCD149518  Chlorogalum grandiflorum Belinda Lo; Jade Paget-Seekins 2012-6-11 CHGR 2012 0611 Placer Placer County; just west of road 14N25, 0.4 miles as the crow flies northwest of Pennsylvania Point, in the Ralston area of the Eldorado National Forest. 999 Comment
  CHSC97012  Chondrilla juncea L. P. Janeway 2007-7-8 9107 Placer Northern Sierra Nevada Foothills. Along Hwy 193 0.6 km east of Newcastle. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 268 Comment
  JEPS51832  Chondrilla juncea T. C. Fuller 1965-10-15 14209 Placer just s of Penryn overpass, Penryn (e side of Interstate 80 to Auburn); Sierra Nevada 182 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
  CDA7384  Chondrilla juncea T. C. Fuller 1967-5-3 15764 Placer Southeast corner of overpass of Interstate 80. Penryn 0 Comment
  CDA7390  Chondrilla juncea T. C. Fuller 1965-10-11 14196 Placer Sierra Nevada; On north side of Horseshoe Bar Road, 0.6 mile west of Auburn-Folsom Road, ca. 4 miles east of Loomis. Comment
  UCD33678  Chrysanthemum parthenium Beecher Crampton 1971-8-18 8754 Placer Placer County, Lake Tahoe, Tahoe Vista. 1920 Comment
  CAS-BOT-BC36375  Chrysolepis sempervirens R. F. Hoover 1967-9-5 10823 Placer Carnelian Bay, Lake Tahoe Comment
  SD243150  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains:Deadwood Riad, 1.2 miles south of its junction with Forest Hill Road (Westville 7.5'Q) 1563 Comment
  UC1135238  Chrysolepis sempervirens N. French 1933-7-14 87 Placer Greek Store; Tahoe National Forest, Colfax Quad. 1676 Comment
  UC1135253  Chrysolepis sempervirens D. Schlobohm 1934-10-2 2 Placer 2 mi s Truckee; Tahoe National Forest, Truckee Quad. 1859 Comment
  SEINET7450569 Image available Chrysopsis breweri L. Miller 1933-8-6 s.n. Placer Lake Tahoe, near Homewood Comment
  UCD130485  Cichorium intybus G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11208 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 1.0 mile north of Forest Hill. 1037 Comment
  CAS-BOT-BC190015  Cinna latifolia H. N. Bolander 1869-6-1 s.n. Placer Bear Valley (Emigrant Gap Site). Comment
  SBBG61290  Circaea alpina M. N. Ackley -Jun-1925 731 Placer Lang's Crossing, Bear River 1371 Comment
  SCFS1026  Cirsium andersonii F. Felix 2014-7-5 Placer Between Onion and Cedar Creeks, on terrace above NF channel Comment
  CAS-BOT-BC289613  Cirsium andersonii Peter Rubtzoff 1976-9-19 8870 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  UC64887  Cirsium scariosum var. americanum Miss Katherine Chandler 1904-1-1 Placer Tahoe Tahoe Comment
  CAS-BOT-BC439027  Cistanthe monosperma A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC439032  Cistanthe monosperma Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC228891  Cistanthe umbellata A. A. Heller 1927-8-16 14448 Placer Near the summit of Donner Pass Comment
  UCD104314  Clarkia biloba F. A. MacFadden 1934-7-3 s.n. Placer Near Bear River on road from Dutch Flat. 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
  UCD77559  Clarkia biloba subsp. brandegeeae Robert E. Preston 2004-6-12 2254 Placer Ca. 0.7 mile E of Colfax, along Iowa Hill Road. 342 Comment
  UCR218115  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-26 16379 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR218446  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16423 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  SBBG29106  Clarkia purpurea subsp. purpurea L. Constance 1941-5-28 2821 Placer 2 mi N of Lincoln 60 Comment
  UCR194947  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2007-5-18 12037 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  SEINET3260811 Image available Clarkia purpurea subsp. viminea Marcus E. Jones 1882-7-3 3341 Placer Colfax. Comment
  UCR218445  Clarkia purpurea subsp. viminea George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16424 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  SCFS1222  Clarkia rhomboidea E. Krimmel, F. Felix 2014-6-26 Placer NFAm. Heath Falls Trail, Land of the Lost Comment
  UC1122445  Clarkia rhomboidea B. Bolt 1934-7-4 76 Placer Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  UCD150639  Clarkia xantiana Barbara Rodeheaver 1973-5-27 87 Placer Two miles E intersection Hwy. 49 on Foresthill Rd. 457 Comment
  CDA12000  Claytonia lanceolata G. F. Hrusa 1995-5-2 12181 Placer Sierra Nevada; Near intersection of Mosquito Ridge Rd. and Jarvis Rd. on spur to Placer Redwood Grove. Comment
  JEPS43378  Claytonia parviflora subsp. grandiflora W. L. Jepson 1938-4-5 18585 Placer 2 mi e Auburn (near North Fork American River) Comment
  SEINET5336355  Claytonia parviflora subsp. grandiflora J. Elder 1961-3-18 s.n. Placer In a foothill woodland 5 miles southeast of Auburn on hillside above the American River. 366 Comment
  CAS-BOT-BC438831  Claytonia parviflora subsp. parviflora George K. Helmkamp; Mary Alice Barnes 2013-5-3 20476 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  UCD164650  Claytonia parviflora subsp. parviflora Brandi Sorensen 1995-6-1 28 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD95617  Clematis lasiantha M. H. Mills 1996-4-12 139 Placer Placer County, 5830 Walden Lane, Loomis. 180 Comment
  SEINET3159399  Collinsia G. B. Grant 1906-1 6949 Placer about Lake Tahoe 2438 Comment
  UC1751291  Collinsia linearis Mrs. M. M. Hardy 1893-1 Placer Comment
  UC1551949  Collinsia parviflora Aaron Liston 1988-3-14 695 Placer 3.5 mi n of Auburn (Dry Creek Road); Dry Creek Road 450 Comment
  POM42881  Collinsia torreyi Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  SEINET5796623 Image available Collinsia torreyi L. S. Rose 1941-1 41320 Placer Chambers Lodge (McKinney), Lake Tahoe; 39.073241 -120.1413 1900 Comment
  UC885605  Collinsia torreyi var. torreyi Alice Eastwood Jun 15 1912-Jun 19 1912 487 Placer Lake Tahoe Region, Deer Park Deer Park; Lake Tahoe Region, Deer Park Comment
  UCD21868  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 257 Placer Headwaters basin area of the North Fork of the American River Comment
  SBBG58196  Collomia heterophylla M. N. Ackley -Jun-1925 803 Placer Towle 1127 Comment
  UC1123648  Collomia heterophylla N. French 1934-6-15 413 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UC1334175  Collomia heterophylla Thomas Morley 1946-5-31 597 Placer 300 yd ne Masonic Cemetary (shallow gully near small stream); Dutch Flat 1005 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
  UCD43104  Collomia linearis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 472 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET3861935  Collomia tinctoria Genevieve K. Walden 2009-6-25 207 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
  SCFS5067  Convolvulus arvensis E. Krimmel 2014-6-26 Placer Above NF American river, on north side not far above Heath Falls overlook Comment
  UCD22065  Corallorhiza maculata Beth Lowe Corbin 1982-8-10 294 Placer 3/4 mile WSW of Onion Creek Campground. SE facing slope, 10% incline. Mostly shade. Uncommon. In deep duff of white fir forest. Plant reddish purple. Flower upper petal yellowish, lower white with red spots. 2023 Comment
  CHSC41145  Cordylanthus pilosus subsp. hansenii J. D. Jokerst 1983-10-13 1922 Placer Canyon of the Middle Fork American River ca 600 feet above the river. Along road to Plumas Co Power Agency access road. Comment
  JEPS86484  Cordylanthus tenuis subsp. tenuis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6564 Placer ca. 5 mi se Donner Lake (above and e of Chickering houses); Sherman Chickering's Soda Springs holdings Comment
  OBI9584  Cordylanthus tenuis subsp. tenuis Robert F. Hoover 1967-9-5 10828 Placer Carnelian Bay, Lake Tahoe Comment
  SEINET2441557  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5' Q.). 1662 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
  SBBG5320  Cornus nuttallii J. A. Riegel 1954-5-22 48 Placer 5 mi S of Iowa Hill 1371 Comment
  UCD15249  Cornus nuttallii Ted Graber 1984-5-28 13 Placer Along Frontage Road in the town of Baxter. 1158 Comment
  UC1122810  Cornus sericea subsp. sericea N. French 1933-9-14 99 Placer Greek Store Tahoe Nat'l Forest, Colfax Quad., Greek Store Comment
  UC875910  Cornus sericea subsp. sericea Marcus E. Jones, A. M. 1882-6-28 3289 Placer Emigrant Gap Comment
  UC634828  Cornus sessilis Mrs. Price 1932-4-3 Placer Dutch Flat Sierra Nevada, Dutch Flat Comment
  SDSU5758  Cornus sessilis C. V. Morton 1948-5-22 1924 Placer 1219 Comment
  CAS-BOT-BC401884  Corydalis caseana subsp. caseana C. F. Sonne 1885-8-2 12 Placer Sierra Nevada Mts. On Truckee River Comment
  UCD124140  Corylus cornuta subsp. californica Ellen Dean; Davis Botanical Society members 2012-10-13 7514 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. 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
  SEINET9356486  Crepis modocensis Unknown 1999-7-17 15120 Placer Placer Comment
  CDA15982  Cryptantha affinis G. F. Hrusa, J. Glazner 1999-7-17 15184 c Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 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
  SEINET2470946  Cryptantha affinis K. Christie 2010-7-8 1887 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73 ca. 1.25 mi. west of Tahoe City. 2103 Comment
  SEINET9343024  Cryptantha affinis George Hrusa, Glazner, J. 1999-7-17 15184 c Placer Martis Valley, off Hwy 267, S of Truckee. Abies concolor forest with rock outcrops. Disturbed in some places. More mesic than other areas dominated by Pinus jeffreyi. Occasional in +- formerly disturbed areas. Comment
  UC1063927  Cryptantha affinis B. Bolt 1934-7-17 127 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 Comment
  SJSU13929  Cryptantha torreyana N. A. Hopkins 1986-7-21 1365 Placer Martis Valley 3 mi SE of Truckee Comment
  UCD37226  Cryptantha torreyana Beecher Crampton 1958-6-24 4969 Placer Placer County, 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  UCD150762  Cryptogramma acrostichoides James A. Neilson Jr. 1971-8-31 2579 Placer Tahoe Basin, Buck Lake. 2276 Comment
  UCD69351  Cryptogramma acrostichoides S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 s.n. Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  UCD126296  Cuscuta howelliana F. T. Griggs 1978-5-19 s.n. Placer 300 meters west of junction with Karchner Road, 1.7 miles east of Sheridan. Comment
  UCD21635  Cymopterus terebinthinus Rex Palmer 1979-6-9 N 136 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  SACT000820  Cynodon dactylon Josephine Van Ess 1976-7-28 Placer Collected on Wallerga Road. Dry Creek. Streambank. 27.4 Comment
  UCD32974  Cynodon dactylon Beecher Crampton 1965-9-13 7493 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  RSA537487  Cynoglossum grande Barbara Ertter, David M. Thompson 1989-4-9 8176 Placer Shirttail Canyon Road 2.4 miles from Dipper Road, ca 5 air miles NW of Foresthill. 610 Comment
  SACT000857  Cynosurus echinatus D. Meyer 1984-6-3 Placer 585.0 Comment
  UCD36680  Cynosurus echinatus Beecher Crampton 1955-6-15 2920 Placer Placer County, 8 miles west of Forest Hill. Comment
  UCR250045  Cynosurus echinatus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20478 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
  UCD18376  Cyperus bipartitus DeWayne Gilbert 1976-1 s.n. Placer Exact location unknown. Comment
  CAS-BOT-BC70581  Cystopteris fragilis Alice Eastwood 1912-6-15 414 Placer Deer Park, Lake Tahoe Region Comment
  CDA12388  Cystopteris fragilis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8516 A Placer Lake Tahoe; in upper Ward Valley, 4 mi SW Tahoe City. Comment
  UCD75757  Cystopteris fragilis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5227 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
  SACT000867  Dactylis glomerata Michael Baad 1977-6-2 Placer End of road. 8.5 miles southwest of junction of Deadwood and Forest Hill Divide Road. 666.0 Comment
  CAS-BOT-BC445491  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer Sacramento Valley, 1 mi. No. of Lincoln. 45 Comment
  UCD61005  Danthonia californica var. americana August L. Hormay 1932-7-7 Placer Upper Truckee River. Comment
  CAS-BOT-BC194329  Danthonia unispicata John Thomas Howell 1943-7-22 18699 Placer Summit Valley Comment
  UCD22691  Darlingtonia californica Teresa Do 1990-5-19 2 Placer Butterfly Valley. 1112 Comment
Read comments
Aug 14 2012
  UC147566  Darmera peltata Harriet A. Walker 1908-6-24 1256 Placer Blue Canyon 1432 Comment
  UC467716  Delphinium andersonii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD22183  Delphinium glaucum Rex Palmer 1979-7-25 N 673 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS23295  Delphinium hansenii W. H. Shockley Jun 1886 Placer Auburn Comment
  RSA149669  Delphinium hansenii Harlan Lewis 1941-5-24 s.n. Placer Auburn Comment
  CAS-BOT-BC116088  Delphinium nuttallianum A. A. Heller 1919-7-26 13311 Placer Summit meadows west of Donner Pass. 2072 Comment
  UCD22185  Delphinium nuttallianum Rex Palmer 1979-7-25 N 697 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC116438  Delphinium patens subsp. patens C. L. Hitchcock 1940-5-7 6334 Placer ca. 1 mile west of Baxter Comment
  UC112865  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer Magra R. R. Station Comment
  RSA97471  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer 3 miles west of Iowa Hill 915 Comment
  RSA299163  Deschampsia cespitosa J. T. Howell 1974-7-12 s.n. Placer Emigrant Gap 1616 Comment
  SACT000906  Deschampsia cespitosa D. Meyer 1984-7-15 Placer 1909.0 Comment
  SEINET3927164  Deschampsia cespitosa Ellen Dean, M. Starbuck; M. Bibbo 2008-7-20 5250 Placer Donner State Parkm newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon.; 0 2099 Comment
  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
  UCD43830  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1196 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS68487  Deschampsia cespitosa subsp. cespitosa W. L. Jepson 1918-7-30 7734 Placer Lake Tahoe near Tahoe City; Lake Tahoe 1920 Comment
  SACT000914  Deschampsia danthonioides Michael Baad 1983-7-11 Placer 3.5 miles southeast of Emigrant Gap and continuing towards Black Mountain to the west edge. Starting .1 mile south off Black Mountain Road. Comment
  SEINET3927716  Deschampsia danthonioides K. Thorne, J. Chandler 1987-6-26 5437 Placer Truckee River.; 0 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
  SEINET10966581  Deschampsia danthonioides Lewis S. Rose 1946-6-23 Rose 46199 Placer Rainbow, n. of Cisco. 1737 Comment
  CHSC74337  Deschampsia elongata Susi Urie 1998-9-4 98 -251 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
  SACT000950  Deschampsia elongata D. Meyer 1984-8-4 Placer Moist shady roadside. 1365.5 Comment
  SACT000960  Deschampsia elongata D. Meyer 1984-6-23 Placer 17.12 km from I80 Frontage Road, dry roadside. 978.0 Comment
  UCD43956  Deschampsia elongata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1322 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 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
  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
  CDA11984  Dicentra formosa G. F. Hrusa 1995-5-2 12165 Placer Sierra Nevada; Mosquito Ridge Rd., approx. 5 km. beyond crossing of North Fork of Middle Fork of the American River. Comment
  UCD14644  Dicentra formosa Deanna Lynn Pfleger 1989-5-20 7 Placer 10 miles from Redwood Grove, south-facing slope of a disturbed roadside; 1341 Comment
  UC525851  Dicentra formosa Miss E. E. Morse 1934-5-4 Placer Towle Comment
  RSA604101  Dicentra formosa subsp. formosa Eric Brenner, John Hunter 1996-5-26 20 Placer Tahoe National Forest, Mosquito Ridge Road 1080 Comment
  UCR234214  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17172 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  UCD139198  Dichelostemma capitatum subsp. capitatum Craig P. Martz 1982-3-26 39 Placer On Clark Tunnel Road, 2.1 miles south of intersection with State Highway 193. 274 Comment
  UC1133984  Dichelostemma multiflorum G. T. Nordstrom 1934-6-21 152 Placer 0.4 mi w by nw Mammoth Springs; Colfax Quad. 1706 Comment
  CAS-BOT-BC502641  Dichelostemma multiflorum R. Bacigalupi 1926-5-29 1507 Placer Along Luisslus Heller Highway, 3 1/2 miles east of Colfax Comment
  CAS-BOT-BC502642  Dichelostemma multiflorum G. L. Stebbins 1978-5-28 7887 Placer West side of Big Crater 1280 Comment
  UC13854  Dichelostemma multiflorum Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD63951  Digitaria ischaemum Beecher Crampton 1965-9-13 7498 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  CHSC3158  Diosma ericoides Gary Dutton 1966-4-29 179 Placer Found 228 Donner Ave. Roseville. Comment
  SEINET13769195 Image available Diplacus grandiflorus Marcus E. Jones 1882-1 3288 Placer Emigrant Gap Comment
  CHSC37352  Diplacus kelloggii Michael P. Crivello 1979-4-11 Placer 2.5 mi nne Auburn at confluence of North and Middle forks of the Americal River. 274 Comment
  CHSC82574  Diplacus torreyi Lowell Ahart 2002-7-22 9904 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
  CAS-BOT-BC151678  Diplacus torreyi F. A. Mac Fadden 1934-7-1 12558 Placer Canyon Creek, Monte Vista Inn Comment
  CAS-BOT-BC151681  Diplacus torreyi Clare B. Hardham 1961-6-14 7356 Placer Baxter, Rte 40 - Sierra Nevada Mountains 1066 Comment
  POM109259  Disporum hookeri var. hookeri Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC208627  Distichlis spicata Beecher Crampton 1957-7-17 3721 Placer Along the railroad, Blue Canyon. 1432 Comment
  CDA39652  Dittrichia graveolens Keith Kohler 2013-10-21 PDR# 310 P0612942 Placer Auburn. 0 Comment
  CAS-BOT-BC128566  Dodecatheon Saichi Kawahara 1969-7-6 1012 Placer East side of house, Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  LA83368  Dodecatheon alpinum O. H. Kappler; 1946-7-18 sn Placer Homewood, W shore, Lake Tahoe 1920 Comment
  UCD80684  Dodecatheon clevelandii subsp. patulum CNPS SN Foothill Team 2005-4-11 SNFN 0103 c 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
  UCD15695  Dodecatheon hendersonii Sook Hong 1989-5-20 3 Placer Just outside of Placer County (?). 670 Comment
  RSA389176  Downingia bicornuta C. B. Wolf 1937-5-12 8623 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  RSA516594  Downingia ornatissima var. eximia R. C. Bacigalupi, G. Thomas Robbins, Francia Chisaki 1956-4-20 5629 Placer Along Antelope-Roseville road, at Sacramento-Placer Co. line. 43 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
  POM143043  Draba nemorosa C. F. Sonne 1897-7-18 s.n. Placer Tinker s Knob 2744 Comment
  POM143601  Draba paysonii var. treleasei C. F. Sonne 1897-07 s.n. Placer Tinker Knob 2744 Comment
  CAS-BOT-BC41935  Draba reptans Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 29 2017
  RSA129729  Draperia systyla G. T. Nordstrom 1934-6-19 112 Placer 1/2 mile N.E. of Mouth of Monumental Creek; Colfax 1463 Comment
  CAS-BOT-BC159717  Drymocallis glandulosa Margaret J. Williams 1985-7-6 85- 61 -1 Placer Near old Donner Summit, S of Lake Mary - Sierra Nevada 2286 Comment
  UC1128185  Drymocallis glandulosa var. glandulosa N. French 1934-5-31 390 Placer 1 mi se Texas Hill; Tahoe National Forest, Colfax Quadrangle Comment
  CAS-BOT-BC157895  Drymocallis lactea var. lactea Geo. B. Grant 1906-7-15 7000 Placer Tahoe Tavern, Lake Tahoe Comment
  SEINET6409454  Dryopteris arguta H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River Comment
  SEINET9315648  Dudleya cymosa Unknown 2009-5-7 14610 A Placer Sierra Nevada Mountains Foothills Comment
  UC1127113  Dudleya cymosa G. T. Nordstrom 1934-6-18 107 Placer n slope Texas Hill; Colfax Quadrangle 1584 Comment
  UCD101889  Dudleya cymosa Gurdev S. Khush 1959-5-10 16 Placer 1.5 miles northeast of Clipper Gap, U.S. Highway 40. 426 Comment
  UCD15156  Dudleya cymosa Phyllis Adams 1982-4-24 22 Placer California, Placer Co.; in the American River Canyon; 365 Comment
  UCR194955  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12039 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  CAS-BOT-BC113798  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  SEINET4175119  Dysphania botrys A. Tiehm 1973-10-16 s.n. Placer North Fork American River near union with Middle Fork 305 Comment
  SACT001037  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-7-28 Placer Collected about .25 mile west of Country Acres Lane. 21.3 Comment
  UCR148784  Echinochloa oryzoides Joel Kitzmiller 1976-6-24 s.n. Placer Pleasant Grove Comment
  UCD160964  Eleocharis G. Ledyard Stebbins 1978-5-28 78102 Placer El Dorado National Forest, Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS103509  Eleocharis bella Lowell Ahart 2002-7-22 9909 Placer S side of small natural lake on E side of paved rd to Lake Valley Reservoir, 1/4 mi E of Yuba Gap and Hwy 80 1773 Comment
  CAS-BOT-BC113379  Eleocharis engelmannii A. A. Heller 1917-8-12 12874 Placer Southern Pacific reservoir W of Emigrant Gap. Comment
  UCD44629  Eleocharis macrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1995 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC492929  Elodea bifoliata Ramona Robison 2012-6-21 s.n. Placer Auburn State Recreation Area, along banks of Lake Clementine 219 Comment
  UCR257602  Elymus caput-medusae George K. Helmkamp, Amy Barnes 2014-3-21 22637 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  UCD44465  Elymus elymoides subsp. californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1831 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD61692  Elymus elymoides subsp. californicus L. S. Smith 1916-6 s.n. Placer Squaw Valley. Comment
  UC1132964  Elymus elymoides subsp. elymoides N. French 1934-6-21 430 Placer Kid Lake Tahoe National Forest, Truckee Quadrangle (nw end) 2011 Comment
  UC790925  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 mi w Colfax 762 Comment
  CDA31705  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  SACT001094  Elymus glaucus D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  SACT001103  Elymus glaucus Michael Baad 1976-6-3 Placer On road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. 701.0 Comment
  SACT001117  Elymus glaucus Michael Baad 1976-7-21 Placer Lower southwest-facing slope. Northeast corner, southeast of Soda Springs. 2377.0 Comment
  SACT001140  Elymus glaucus D. Meyer 1984-6-23 Placer 17.12 km from I80 Frontage Road, dry roadside. 978.0 Comment
  UC1131688  Elymus glaucus B. Bolt 1934-8-14 174 Placer Red Star Ridge Tahoe National Forest, Truckee Quadrangle (e slope) Comment
  UCD61845  Elymus glaucus K. Connelly 1999-8-2 PDR- 122370 8 Placer Truckee. Along side of Rd. 9, off of Hwy. 89. Comment
  UCD21597  Elymus glaucus subsp. glaucus E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1261 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
  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
  UCD61770  Elymus glaucus subsp. glaucus Eric Brenner; John Hunter 1996-5-26 010 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  CHSC73265  Elymus glaucus subsp. jepsonii L. P. Janeway 1998-8-6 5974 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UC1131700  Elymus glaucus subsp. jepsonii B. Bolt 1934-7-3 73 Placer Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle (top) Comment
  UCD62476  Elymus multisetus A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax. 762 Comment
  UCD62569  Elymus repens Tim Morgan 1999-7-19 PDR- 122364 6 Placer At Green Thumb Landscaping, 2865 Hillcrest Ave., Tahoe City. Comment
  CAS-BOT-BC213845  Elymus sierrae A. A. Heller 1917-8-13 12919 Placer Ridge northwest of Donner Pass 2377 Comment
  CHSC73268  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1998-8-6 5964 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD22261  Elymus trachycaulus subsp. trachycaulus Beth Lowe Corbin 1982-8-3 172 Placer Onion Creek Campground. SW facing slope. Full sun to partial shade. Moderately abundant. Open, dry meadow, more abundant toward the creek. In fine, sandy, granitic soil. Perennial bunchgrass, forming smallish clumps. 1841 Comment
  UCD43927  Epilobium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1293 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR257635  Epilobium angustifolium George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19537 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
  JEPS129003  Epilobium brachycarpum Steve Matson 1997-7-25 2703 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; 30 m east of pond near highway. Comment
  CAS-BOT-BC171969  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer Base of a cliff north of Summit Hotel 2164 Comment
  CAS-BOT-BC171975  Epilobium canum subsp. latifolium G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; Juan Hunziker; Howard Stutz; Daniel Zohary 1952-7-19 3859 Placer Rock outcropping just above torrent of main stream, North Fork of American River, below Cape Horn sta. on S.P.RR, 1/2 mile above bridge on colfax - Iowa Hill Road 381 Comment
  JEPS44034  Epilobium canum subsp. latifolium L. S. Smith 1927-8-12 2220 Placer Squaw Creek and below Tahoe National Forest, Upper basin 2286 Comment
  UC20682  Epilobium canum subsp. latifolium Mrs. M. M. Hardy 1893-1 Placer Comment
  CHSC75290  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-9-3 98 -234 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
  UC1748360  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-8-25 98 -90 Placer about 0.2 mi N of Lake Tahoe (large meadow complex between Kings Beach and Tahoe Vista) 1901 Comment
  CHSC73678  Epilobium ciliatum subsp. glandulosum L. P. Janeway; Eric Schroder 1998-9-16 6335 Placer Lake Tahoe Basin--National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  CDA13696  Epilobium densiflorum G. F. Hrusa, J. Glazner 1997-8-3 14056 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. 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
  UC170075  Epilobium hallianum Miss Helen D. Geis Jun 1 1912-Jul 1 1912 130 Placer Deer Park Comment
  UCD44422  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1788 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  POM192609  Epilobium hallianum H. M. Hall 1910-07 8748 Placer Sierra Nevada: Soda Springs of the Yuba. 2043 Comment
  UC422825  Epilobium hallianum H. M. Hall July 1910 8748 Placer Soda Springs of the Yuba Sierra Nevada Mountains 2042 Comment
  UCD42967  Epilobium lactiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 336 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR111001  Epilobium oregonense George K. Helmkamp, E. A. Helmkamp 1999-6-30 5107 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  CAS-BOT-BC57985  Equisetum John H. Thomas; Hazelle A. Thomas 1956-7-21 6205 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 mi. ne. of Sacramento. 2377 Comment
  CAS-BOT-BC56949  Equisetum arvense Saichi Kawahara 1969-5-25 909 Placer Henderson Ranch, Indian Creek 987 Comment
  CAS-BOT-BC57241  Equisetum laevigatum E. R. Blakley 1960-9-3 3822 Placer Kings Beach, Lake Tahoe 1905 Comment
  CAS-BOT-BC57242  Equisetum laevigatum E. R. Blakley 1960-9-2 3806 Placer Carnelian Creek, Lake Tahoe 1905 Comment
  RSA727531  Eragrostis L. Ahart 2007-11-13 14599 Placer On the west side of Camp Far West Road, at the north edge of the town of Sheridan. 35 Comment
  CDA34547  Eragrostis pilosa L. Ahart 2007-11-13 14599 Placer East side of a shallow ditch, on the west side of Camp Far West Road, at the north edge of the town of Sheridan. Comment
  UCR198003  Eragrostis pilosa Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit 52 Comment
  RSA0057639  Eremogone congesta var. suffrutescens Marcus E. Jones 1882-6-28 3278 Placer Emigrant Gap. Comment
  UCD22162  Eremogone kingii var. glabrescens Beth Lowe Corbin 1982-8-4 239 Placer 1 1/2 mile NNW of Onion Creek Camground. E facing slope, 40% inclination. Uncommon. Full sun. Subalpine talus slope. Plant forming loose mat. Flowers white. 2286 Comment
  CAS-BOT-BC294276  Ericameria nauseosa var. speciosa M. E. Cantelow 1935-7-20 1018 Placer Brackway Comment
  CAS-BOT-BC294278  Ericameria nauseosa var. speciosa Catherine Best 1985-9-15 1143 Placer Near Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  RSA417737  Erigeron F. G. Mart 1934-07 s.n. Placer Red Mt. Comment
  OBI20158  Erigeron aliceae David J. Keil 1978-7-23 12925 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UC197373  Erigeron barbellulatus C. F. Sonne 1888-7-29 Placer near Lake Tahoe; Sierra Nevada Mountains, Wards Peak 2590 Comment
  UC195563  Erigeron coulteri C. F. Sonne 1884-8-24 Placer canon above Coldstream Comment
  UCD42844  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 210 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43378  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 746 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  POM195800  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer Along streams at Donner Pass (summit) 2134 Comment
  UC895854  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer 2118 Comment
  UCD82965  Erigeron divergens Albert Grigarick 2009-6-15 112 Placer E of Truckee, 1 ft W of west shore of the middle of Martis Creek Reservoir. 1775 Comment
  CAS-BOT-BC300669  Erigeron foliosus var. hartwegii H. M. Hall 1916-6-4 10154 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada 400 Comment
  UCR218122  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2010-6-26 16391 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SD62080  Erigeron foliosus var. hartwegii Darley F. Howe 1965-5-21 Placer Mouth of canyon on south side of north fork of American River. 305 Comment
  UC1118188  Erigeron glacialis var. glacialis B. Bolt 1934-7-16 115 Placer 0.5 mi s of Lost Emigrant Mine; Tahoe National Forest, Truckee Quadrangle 2072 Comment
  UC896082  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  CAS-BOT-BC300824  Erigeron glacialis var. glacialis H. D. Ripley; R. C. Barneby 1948-7-13 9845 Placer Yuba River, 4 mi. E. of Cisco 1844 Comment
  CAS-BOT-BC295207  Erigeron inornatus John Thomas Howell 1943-7-25 18811 Placer West side of Donner Pass near Norden 2133 Comment
  UCR177238  Erigeron inornatus George K. Helmkamp, E. A. Helmkamp 2005-10-1 9980 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCD132001  Erigeron inornatus var. inornatus G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12628 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  JEPS126428  Erigeron miser Steve Matson 2004-6-20 1056 Placer nSNH; just off Old Donner Summit Road (Highway 40); 300 yards east of Old Donner Summit. Comment
  UC669306  Erigeron miser Annie M. Alexander and Louise Kellogg 1941-10-5 2647 Placer e slope Donner Pass 1981 Comment
  UCD125099  Erigeron miser Ellen Dean; M. Starbuck, DHS Jazz Choir 2012-8-25 7498 Placer Long Lake, west of the town of Soda Springs. Northeastern side of lake. 2016 Comment
  CDA16034  Erigeron peregrinus G. F. Hrusa, J. Glazner 2000-9-3 15679 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CDA4644  Erigeron philadelphicus Kelly 1928-5-2 Placer Near Auburn, along road. 0 Comment
  JEPS14  Eriodictyon californicum W. H. Shockley June 1886 Placer Auburn Comment
  POM73506  Eriodictyon californicum Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC259347  Eriogonum lobbii D. L. Smith; G. L. Stebbins 1976-7-3 C 7672 Placer Big Crater, on northwest side of Ralston Ridge 1280 Comment
  SEINET5330422  Eriogonum lobbii W. D. Billings 1951-8-12 2142 Placer just W. of highway maint. Sta., Donner Summit, Sierra Nevada, 2195 Comment
  CAS-BOT-BC263701  Eriogonum luteolum var. pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax Comment
  UC1334173  Eriogonum luteolum var. pedunculatum Thomas Morley 1946-9-28 818 Placer near electric pole line 1 1/2 mi nne Alta; Sierra Nevada 1188 Comment
  SD243181  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18189 Placer Northern Sierrra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  CAS-BOT-BC263288  Eriogonum marifolium var. marifolium Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  UCD21613  Eriogonum nudum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1281 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. Open W-facing granite slope at tree-line, ascending ridge. 2300 Comment
  CAS-BOT-BC264805  Eriogonum nudum var. deductum unspecified No date on label. 12884 Placer Summit Station 2121 Comment
  CAS-BOT-BC264812  Eriogonum nudum var. deductum Catherine Best 1981-8-1 s.n. Placer Big Meadow about 3 miles south of French Meadows, Sierra Nevada 1600 Comment
  UCR232648  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2011-9-30 18341 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  RSA0062468  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2012-9-25 19916 Placer Junction of Nyack Road and I-80 in the Emigrant Gap area. 1652 Comment
  CDA12220  Eriogonum nudum var. pubiflorum G. F. Hrusa 1993-11-3 11465 Placer Sierra Nevada; Mosquito Ridge Road approx. 12 miles E of Foresthill. Comment
  RSA0005090  Eriogonum ochrocephalum var. agnellum C. F. Sonne 1886-7-18 s.n. Placer Mt. Head of Squaw Valley 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
  UCD149516  Eriogonum prattenianum G. L. Stebbins 1970-7-19 7063 Placer Above North Fork of Middle Fork of the American River. 2 miles northeast of Last Chance. (Exact location unknown. Coordinates estimated by label maker.) 1341 Comment
  UC84513 Image available Eriogonum rosense C. F. Sonne 1886-7-18 Placer Truckee River Sierra Nevada Mountains, Head of Squaw Valley, Truckee River Comment
  CAS-BOT-BC269934  Eriogonum spergulinum var. reddingianum A. A. Heller No date on label 12894 Placer Summit Station 2121 Comment
  LA27118  Eriogonum spergulinum var. reddingianum L. S. Rose; 1941-7-8 41290 Placer Chambers Lodge, Lake Tahoe 1900.0 Comment
  UC565934  Eriogonum spergulinum var. reddingianum N. French 1934-6-22 474 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  UC662514  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Chambers Lodge (McKinney) Lake Tahoe 1900 Comment
  UCR207119  Eriogonum spergulinum var. reddingianum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15241 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  CAS-BOT-BC271882  Eriogonum spergulinum var. spergulinum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UCD22125  Eriogonum umbellatum var. covillei Rex Palmer 1979-6-21 N 405 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC268014  Eriogonum umbellatum var. furcosum J. C. Hawver 1912-9-7 s.n. Placer Cisco Comment
  CAS-BOT-BC265152  Eriogonum umbellatum var. nevadense Lewis S. Rose 1938-9-14 38257 Placer South Fork of Yuba River, Cisco 1615 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
  CDA15922  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 1999-7-17 15183 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA25004  Eriogonum umbellatum var. nevadense J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  CHSC79800  Eriogonum umbellatum var. nevadense G. F. Hrusa; J. Glazner 1999-7-18 15236 Placer Betw. Squaw Cr, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1889 Comment
  UCD22123  Eriogonum umbellatum var. nevadense Rex Palmer 1979-6-19 N 223 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC262174  Eriogonum umbellatum var. torreyanum C. F. Sonne 1885-9-27 294 Placer Sierra Nevada Mts. On road to Tahoe near old Shingle Mill, at Squaw Creek Comment
  SCFS1004  Eriogonum ursinum E. Krimmel 2014-6-26 Placer Comment
  UC77785  Eriogonum ursinum C. F. Sonne 1894-9-2 Placer mts. s Summit Station; Sierra Nevada Mountains 2438 Comment
  CAS-BOT-BC262229  Eriogonum ursinum C. F. Sonne 1885-7-12 404 Placer Sierra Nevada Mts. About Coldstream Comment
  UCD34056  Eriogonum wrightii Beecher Crampton 1975-10-14 9329 Placer Placer County, Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  CDA22693  Eriogonum wrightii subsp. trachygonum T. C. Fuller 1962-9-2 9626 Placer Hampshire Rocks, Highway 40 (old road before freeway construction), 0.9 mile east of Big Bend Ranger Station. 0 Comment
  JEPS56105  Eriogonum wrightii var. subscaposum Leland S. Smith 1925-1-1 1733 Placer Truckee River drainage Tahoe National Forest, Truckee River drainage Comment
  UCD21938  Eriogonum wrightii var. subscaposum Beth Lowe Corbin 1982-8-9 282 Placer 1/2 mile SW of Onion Creek campground. Open, shale, rocky slope. Low shurb. Unopened flowers reddish pink. Full sun. South facing slope, 20% incline. Locally abundant. 1828 Comment
  UCR193399  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-5-30 12198 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
  UCR249590  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20809 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  RSA129768  Eriophyllum lanatum var. grandiflorum N. H. French 1934-5-31 382 Placer Mamouth Springs 1677 Comment
  UC1118243  Eriophyllum lanatum var. grandiflorum G. T. Nordstrom 1934-6-21 133 Placer 4 mi se Mammoth Springs (Plot #208); Tahoe National Forest, Colfax Quadrangle Comment
  LA203612  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 Sierra Nevada 450.0 Comment
  CAS-BOT-BC308248  Eriophyllum lanatum var. integrifolium Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  UC31786  Eriophyllum lanatum var. integrifolium C. J. Fox Jr. 1895-7-1 Placer near Squaw Peak Comment
  UCR189301  Eriophyllum lanatum var. integrifolium George K. Helmkamp, E. A. Helmkamp 2007-7-27 12631 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UC660014  Eryngium castrense Lincoln Constance 1941-5-28 2824 Placer 2 mi. n. Lincoln (Sacramento Valley); Sacramento Valley 60 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
  UCD114989  Erysimum capitatum var. capitatum A. S. Crafts 1926-5-1 800 Placer American River Canyon. Comment
  UCR120248  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5034 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC1126627  Erysimum perenne B. Bolt 1934-7-10 94 Placer 2 mi s Huysink Lake; Tahoe National Forest, Colfax Quadrangle Comment
  UCD75963  Erysimum perenne Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5230 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. Along undeveloped road downslope of off-road vehicle parking area/turnabout. 2194 Comment
  OBI53986  Erythranthe arvensis Barbara Ertter, David Thompson 1989-4-8 8173 Placer Iowa Creek Rd ca 2 mi from I-80 near entrance to Auburn State Recreaton Area, at crk crossing 518 Comment
  SBBG27309  Erythranthe bicolor C. L. Hitchcock 1940-5-14 6398 Placer Meier Ranch, ca. 6 mi N of Colfax 1097 Comment
  SEINET13694331 Image available Erythranthe bicolor C. L. Hitchcock 1940-1 6398 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  CHSC74128  Erythranthe corallina Susie Urie 1998-8-13 98 -041 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC153594  Erythranthe moniliformis Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  SCFS1218  Erythranthe moschata E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top of meadow. Comment
  SEINET3836910 Image available Erythranthe moschata Marcus E. Jones 1897-1 Placer Diamond Mt., Susanville, Perkin's Ranch 2 Comment
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Jan 10 2016
  SEINET14046343 Image available Erythranthe tilingii Johnnie L. Gentry Jr., Earl Jensen, Jr. 1968-1 2134 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89. 2073 Comment
  SEINET10528796  Erythronium californicum Charles L. Hitchcock 1940-5-7 Hitchcock 6310 Placer ca 1 mile west of Baxter. Comment
  CAS-BOT-BC505236  Erythronium grandiflorum Elizabeth McClintock; Wayne Roderick 1968-5-17 s. n. Placer Cisco Grove, northern Placer County Comment
  CAS-BOT-BC505238  Erythronium grandiflorum Miss. T. V. Raphael 1923-7-6 s. n. Placer Cisco Comment
  UC843871  Erythronium purpurascens A. A. Heller 1917-6-17 12685 Placer below Cisco (near Yuba River) 1676 Comment
  RSA739849  Erythronium purpurascens Jon Winter s.n. Placer Placer County: Tahoe National Forest, Duncan Peak Lookout Station. 2190 Comment
  HSC82623  Eschscholzia caespitosa Thomas W. Nelson 1979-4-10 4584 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CAS-BOT-BC403343  Eschscholzia californica Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  SEINET3411987 Image available Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-3-31 18645 Placer Sacramento Valley: along CA-193, 0.1 mile W of its junction with Sierra College Blvd. 88 Comment
  UCR238610  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-3-31 18645 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  RSA11787  Eschscholzia lobbii Elmer I. Applegate 1928-4-22 5363 Placer Above Auburn on Grass Valley road Comment
  CAS-BOT-BC310367  Eucephalus breweri Alice Eastwood 1909-8-1 287 Placer Lake Tahoe Region, Deer Park Comment
  CHSC118005  Eucephalus breweri G. K Helmkamp; E. A Helmkamp 2008-9-15 14101 Placer Northern Sierra Nevada Mountains: along Foresthill Road 26 miles northeast of the city of Forest Hill. 1954 Comment
  SD243067  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-8-26 18164 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill (Duncan Peak 7.5'Q) 2020 Comment
  UC1475021  Eucephalus breweri B. Bolt 1934-7-17 126 Placer 1/2 mi s of Lost Emigrant Mine; Truckee Quad. 2072 Comment
  UC1475036  Eucephalus breweri B. Bolt 1934-8-22 192 Placer 1 mi se of Johnson's Monument; Truckee Quad. 2255 Comment
  UCR231852  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  UC869049  Euphorbia crenulata C. L. Hitchcock 1940-5-7 6307 Placer ca 1 mi w Baxter Comment
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Jan 19 2008
  CHSC114304  Euphorbia epithymoides J. Honeycut 2010-6-25 Placer Tahoma; Hwy 89 right-of-way 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
  UCD142662  Euphorbia ocellata Gordon H. True 1972-8-23 7409 Placer Northern outskirts of Lincoln. 48 Comment
  UCD142804  Euphorbia serpillifolia G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12952 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD38932  Euphorbia serpillifolia Beecher Crampton 1961-9-27 6005 Placer 1 mile west of Cisco Grove, along US Hwy 40. Comment
  CAS-BOT-BC312160  Eurybia integrifolia Lewis S. Rose 1938-9-14 38264 Placer South Fork of Yuba River, 3 mi. e. of Cisco 1737 Comment
  OBI16995  Eurybia integrifolia Robert F. Hoover 1967-9-5 10827 Placer Carnelian Bay, Lake Tahoe Comment
  OBI48623  Eurybia integrifolia Lewis S. Rose 1938-9-14 38264 Placer S Fork of Yuba River, 3 mi E of Cisco 1737 Comment
  UCD21697  Eurybia integrifolia Beth Lowe Corbin 1982-8-23 405 Placer 2 miles WSW of The Cedars. In fine, sandy, rocky soil. Open, logged White Fir forest. Rays purple, disc yellow. Mostly sun. North facing slope, 40% incline. Occasional. 1981 Comment
  SEINET8687792 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
  UC193318  Eurybia radulina C. F. Sonne 1883-9-16 Placer Woods along Truckee River Truckee River Comment
  UC896646  Euthamia occidentalis G. P. Rixford 1913-9-2 Placer Loomis 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
  UC1132593  Festuca B. Bolt 1934-7-12 Placer Snow Mountain Truckee Quad. 2438 Comment
  UC1153833  Festuca elmeri Beecher Crampton 1955-6-15 2890 Placer 2.5 mi n Yankee Jim's (junction Iowa Hill-Forest Hill Roads) Comment
  CDA13703  Festuca rubra var. commutata G. F. Hrusa, J. Glazner 1997-8-3 14063 a Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Occasional bunchgrass about dry meadows. Comment
  SACT001202  Festuca viridula Michael Baad 1976-8-25 Placer Crest of peak and ridge east of Grouse Canyon. 2499.0 Comment
  SACT001205  Festuca viridula Michael Baad 1983-8-11 Placer Trail from Whiskey Camp. 3 miles west of Alpine Meadows. 2133.0 Comment
  SACT001209  Festuca viridula Michael Baad 1983-8-27 Placer One mile west toward Cherry point. 2133.0 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
  UC818180  Festuca viridula A. A. Heller 1917-8-14 12926 Placer s of Summit Valley; Mt. Lincoln 2499 Comment
  JEPS19568  Floerkea proserpinacoides C. F. Sonne 1886-7-1 344 Placer Sierra Nevada Mountains, canyons on Truckee River Truckee River; Sierra Nevada Mountains, canyons on Truckee River Comment
  UC147587  Floerkea proserpinacoides Miss Harriet A. Walker 1908-6-26 1314 Placer Cisco 1810 Comment
  JEPS111210  Fragaria virginiana Steve Matson 2005-7-4 1366 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
  UCD43060  Fragaria virginiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 428 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44637  Fragaria virginiana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2003 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SEINET6699532  Fragaria virginiana var. platypetala Trevitt 1932-7-5 s.n. Placer Tahoe Vista, Lake Tahoe Comment
  SD81185  Frangula californica subsp. tomentella D. F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  SEINET11243895  Frangula californica subsp. tomentella W. D. Billings 1939-3-19 1191 Placer Roadside 2 miles north of Auburn. Comment
  UCD113124  Frangula rubra Beecher Crampton 1975-10-14 9323 Placer Blue Canyon airport area. 1524 Comment
  UCD113129  Frangula rubra G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12068 Placer Nothern Sierra Nevada Mountains; Sugar Pine Road, 0.2 mile northwest of Forest Hill Road. 1360 Comment
  UC429287  Fritillaria micrantha C. F. Sonne 1891-4-5 Placer below Bloomer Cut (Auburn) Auburn Comment
  UC843909  Fritillaria recurva C. L. Hitchcock 1940-5-7 6308 Placer 1 mi w of Baxter Comment
  CHSC3140  Fuchsia hybrida Gary Dutton 1966-4-29 169 Placer Found 228 Donner Ave. Roseville. 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
  RSA757078  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15200 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  SD81249  Galium bolanderi Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  UCR249615  Galium bolanderi George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20840 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.1 mile northwest of its junction with Spring Garden Road 738 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
  RSA739714  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2007-5-23 12064 Placer Northern Sierra Nevada Mtns.: Humbug Canyon Road, 0.2 miles NW of Forest Hill Rd., generally SW of Westville 1576 Comment
  RSA785623  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2010-6-26 16375 Placer junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SEINET9349432  Galium parisiense Unknown 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills Comment
  OBI58654  Gamochaeta coarctata David J. Keil, with Kathleen A. Keil 1999-7-17 28376 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  UC1122697  Garrya fremontii B. Bolt 1934-8-8 167 Placer 0.5 mi s Forks House; Tahoe National Forest, Colfax Quad. 1402 Comment
  SACT001234  Gastridium ventricosum D. Meyer 1984-6-17 Placer 545.0 Comment
  CAS-BOT-BC56265  Gaultheria ovatifolia Peter W. Fritsch; Catherine Bush; Boni Cruz 2008-7-1 1839 Placer Big Trees Trail in Placer Big Trees Grove, Foresthill Ranger District, Tahoe National Forest 1604 Comment
  UCD22101  Gayophytum diffusum Rex Palmer 1979-7-11 N 588 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA12404  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8532 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD103624  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11215 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  UCR176260  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2006-8-11 11215 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCR229534  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17859 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
  CHSC73057  Gayophytum heterozygum L. P. Janeway 1998-8-6 5987 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  POM145987  Gayophytum heterozygum J. B. Feudge 1927-7-18 1717 Placer Emigrant Gap Comment
  UCR257633  Gayophytum heterozygum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19531 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
  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
  CAS-BOT-BC217385  Gentiana affinis var. ovata Brandegee No date on label. s.n. Placer Colfax Comment
  SD237460  Geranium dissectum G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15904 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Road, 4.5 miles south of junction with CA-49 at Pilot Hill (Pilot Hill 7.5'Q) 287 Comment
  SD241039  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-12 17258 Placer Southern Sacramento Valley: south of Lincolnalong Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mile west of Industrial Ave. (Roseville 7.5'Q) 41 Comment
  UCR224246  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15904 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
  SDSU7324  Geranium dissectum unknown 1946-5-21 Placer 457 Comment
  UCR224245  Geranium molle George K. Helmkamp, E. A. Helmkamp 2010-4-23 15905 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
  JEPS127439  Geum macrophyllum var. perincisum Steve Matson 1998-8-9 158 Placer Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 1 kilometer SSW from parking area. Comment
  SEINET11261544  Gilia capitata subsp. mediomontana George Helmkamp, Elizabeth Helmkamp 2013-6-11 20828 Placer Northern Sierra Nevada Mountains Foothills at the junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill.; 0 463 Comment
  SEINET3860402  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2010-6-26 16408 Placer Sierra Nevada Mountains Foothills: Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE of Applegate.; 0 476 Comment
  UCR193400  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2007-5-30 12199 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
  UC23439  Gilia capitata subsp. pedemontana Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET3163581  Gilia filicaulis M. E. Jones 1882-7-3 sn Placer Colfax Comment
  SEINET7963106 Image available Gilia gilioides var. greeneana L. S. Rose 1941-1 41291 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  SEINET11266062  Gilia leptalea George Helmkamp, E. A. Helmkamp 2011-8-26 18172 Placer Norther Sierra Nevada Mountains: along Forest Hill Road, 0.4 miles of Robinson Flat (Duncan Peak 7.5 Q.); 0 2041 Comment
  RSA537481  Gilia tricolor subsp. diffusa Barbara Ertter, David M. Thompson 1989-4-8 8156 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  JEPS111140  Githopsis specularioides Steve Matson 2005-4-17 1218 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  UCD66746  Glyceria borealis August L. Hormay 1932-7-8 Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  SACT001254  Glyceria elata D. Meyer 1984-7-21 Placer 7.5 km from Placer County line, moist shaded streambed. 9 miles from road. 1758.0 Comment
  UCD36713  Glyceria elata Beecher Crampton 1955-7-13 2998 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD44578  Glyceria elata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1944 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA21276  Grindelia hirsutula var. davyi C. B. Wolf 1937-5-12 8619 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  UCR249616  Grindelia hirsutula var. davyi George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20839 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.1 mile northwest of its junction with Spring Garden Road 738 Comment
  UC112818  Hackelia micrantha Katharine Brandegee July 1908 Placer Lake Van Orden Comment
  POM181063  Hackelia nervosa A. A. Heller 1912-7-20 10591 Placer Summit. 2073 Comment
  UC2042515  Hackelia nervosa Holly Forbes and Barbara Keller 2010-7-13 Placer Tahoe National Forest, at Chalet Road near the intersection of road to parking area and Subway Lift at Alpine Meadows Ski Resort Comment
  SEINET12618627  Hackelia nervosa A. A. Heller 1912-1 10591 Placer Summit. 2073 Comment
  SCFS1002  Helianthella californica E. Krimmel 2014-6-26 Placer Ridge top. Top of switchbacks on Soda Spring road Comment
  UCD21773  Helianthella californica Rex Palmer 1979-6-9 N 161 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC314702  Helianthella californica var. californica C. L. Hitchcock 1940-5-14 6392 Placer Meier Ranch ca. 6 miles north of Colfax 762 Comment
  POM260044  Helianthella californica var. nevadensis C. L. Hitchcock 1940-5-14 6392 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  SJSU11836  Helianthus annuus C. T. Osugi 1969-10-4 79 Placer Loomis, 21 mi NE of Sacramento 121 Comment
  CDA17019  Helianthus bolanderi G. F. Hrusa 2002-7-3 s.n. Placer Northern California; Hughes Mill (site). On wet serpentine. 1066 Comment
  UC149000  Hemizonella minima H. M. Hall 1910-7-11 8760 Placer Cisco Butte Sierra Nevada Mountains 1981 Comment
  UCD21780  Hemizonella minima Rex Palmer 1979-6-19 N 216 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET11197277 Image available Hemizonella minima H. A. Walker 2036 Placer Deer Park in the Lake Tahoe district Comment
  POM267733  Hesperochiron californicus Lyman Benson 1933-6-26 4546 Placer 4 miles W of Donner Pass, Sierra Nevada, Bear River watershed 1982 Comment
  POM65409  Hesperochiron californicus Carlotta C. Hall 1910-7-8 8747 Placer South fork of Yuba Canyon, about 17 km east of Cisco. 1920 Comment
  JEPS71648  Hesperochiron pumilus Gladys L. Smith 1972-6-18 3158 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
  UCR194936  Hesperolinon californicum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12017 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  JEPS103510  Heterocodon rariflorum Lowell Ahart 2002-7-22 9883 Placer About 40 yards NW 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. 1774 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
  CHSC91531  Heuchera micrantha G. F. Hrusa 1995-5-20 Placer Sierra Nevada. Cliffs above North Fork of Middle Fork of the American River, approx. 3 km. east of Mosquito Ridge Rd. crossing. [Lat./long. on label is '39 1 N; 120 47 W']. 600 Comment
  SD234517  Heuchera micrantha G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12193 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 15 miles east of its junction with Forest Hill Road in Foresthill, south of site of Bake Oven. 915 Comment
  SCFS11529133  Heuchera rubescens E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Growing on wet rocks next to stream. Comment
  UC11368  Heuchera rubescens var. glandulosa Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD21775  Hieracium albiflorum Beth Lowe Corbin 1982-8-3 198 Placer Hill west of Onion Creek campground. In fine, sandy, granitic soil, in disturbed slide area. Taprooted perennial. Flowers white. Milky sap. Full sun. SW facing slope, 30% incline. Several plants localized. 1853 Comment
  JEPS59488  Hieracium albiflorum Ezra Brainerd and Viola B. Baird 1915-7-19 240 Placer on trip to The Craggs; Sierra Nevada Mountains, Deerp Park 2133 Comment
  SEINET11259313 Image available Hieracium albiflorum P. A. Lehenbauer 1933-8-6 s.n. Placer Lake Tahoe near Homewood Comment
  UCD133107  Hieracium argutum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11207 Placer Northern Sierra Nevada Mountain. Along the road to Clementine Lake, 0.8 mile north of Forest Hill road. 422 Comment
  CAS-BOT-BC319758  Hieracium argutum G. L. Stebbins; J. Hunziker; H. Stutz; D. Zohary 1952-7-20 5134 Placer Along road from Colfax to Forest Hill 1/2 mile south of crossing of American River 304 Comment
  JEPS71821  Hieracium horridum Gladys L. Smith 1972-8-25 3441 Placer glacial stairstep between Squaw Valley and Granite Chief 2194 Comment
  CAS-BOT-BC280703  Holcus lanatus John Thomas Howell; Gordon H. True 1968-6-9 44509 Placer Alta 1066 Comment
  SACT001284  Holcus lanatus Josephine Van Ess 1976-6-16 Placer Collected just south of Douglas Blvd. Moist streambank. Comment
  SD44648  Holcus lanatus Darley F. Howe 1951-5-2 2108 Placer Placer Co 456 Comment
  SEINET238860 Image available Holcus lanatus Beecher Crampton 1952-11-9 929 Placer 6 miles east of Auburn 1 mile south of Meadow Vista. 457 Comment
  UC194231  Holocarpha virgata subsp. virgata H. M. Hall 1914-8-2 9837 Placer near Placer; Sacramento Valley 60 Comment
  UCD22267  Holodiscus discolor var. microphyllus Rex Palmer 1979-6-9 N 144 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  CDA16807  Holodiscus microphyllus G. F. Hrusa, J. Glazner 2001-7-15 15946 Placer Sierra Nevada; Near summit of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  SACT001308  Hordeum brachyantherum Michael Baad 1976-7-21 Placer Lower southwest-facing slopes of peak. Southeast Soda Springs. 2377.0 Comment
  UCD42782  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 148 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD85461  Hordeum brachyantherum L. S. Smith 1916-7-8 s.n. Placer Squaw Valley. 1828 Comment
  UCR218116  Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16400 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  JEPS71233  Hordeum brachyantherum subsp. brachyantherum Virginia Bufford 1932-9-9 526 Placer along Truckee River; along Truckee River Comment
  SACT001374  Hordeum leporinum D. Meyer 1984-6-23 Placer and Forest road. .16 km from I80-Frontage Road. 352.0 Comment
  UCR172651  Hordeum murinum subsp. leporinum George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10196 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  RSA122261  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 124 Placer 1/2 mile S of Lost Emigrant Mine. 2073 Comment
  JEPS44569  Horkelia fusca subsp. parviflora C. F. Sonne 1887-6-1 81 Placer sierra nevada mountains Comment
  RSA122259  Horkelia fusca subsp. parviflora N. H. French 1934-6-19 423 Placer 1/4 mile W of Devil's Peak. 2104 Comment
  CAS-BOT-BC537863  Horkelia fusca var. parviflora A. A. Heller 1919-7-25 13302 Placer Sandy flat near the Yuba river, below Cisco 1676 Comment
  UCD67955  Horkelia tridentata Nicholas Ewing 1977-5-28 29 Placer 5.3 mi. E. of Foresthill on Auburn-Foresthill Road. 1249 Comment
  UC750541  Horkelia tridentata subsp. tridentata Lewis S. Rose 1946-6-23 46178 Placer n Cisco (Rainbow) Comment
  JEPS120279  Horkelia tridentata var. tridentata Barbara Ertter with R. K. Brummitt, K. VanZuuk, S. Namoff 2012-6-12 21031 Placer across Forest Road 24 from Parker Flat OHV staging area, SE of Sugarpine Reservoir ca 10.5 airmiles ENE of Colfax 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-BC537977  Horkelia tridentata var. tridentata Marcus E. A M Jones 1882-6-27 3291 Placer Emigrant Gap Comment
  SCFS2166  Hosackia oblongifolia var. oblongifolia Stamps 1967-7-12 60 Placer 100 yds N of Hwy 40, 2.5 mi W of Kingvale 1829 Comment
  UCD106043  Hosackia pinnata R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax, CA. Comment
  CAS-BOT-BC400936  Hypericum anagalloides A. A. Heller 1917-8-15 12937 Placer Soda Springs station, lower end of Summit Valley 2042 Comment
  CAS-BOT-BC400938  Hypericum anagalloides John Thomas Howell 1943-7-26 18857 Placer Sugar Bowl nw. of Mt. Lincoln 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
  SD234895  Hypericum concinnum G. K. Helmkamp, E. A. Helmkamp 2008-8-20 14033 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
  UC1122099  Hypericum concinnum B. Bolt 1934-7-4 78 Placer Sawtooth Ridge Tahoe Nat'l Forest, Colfax Quad., Sawtooth Ridge Comment
  UCR173740  Hypericum concinnum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10709 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
  UCD110360  Hypericum concinnum Jean Dougherty 1986-5-31 86 -25 Placer On Mosquito Ridge Road, 0.3 miles after junction with Foresthill Road. Comment
  RSA643337  Hypericum perforatum R. D. Goeden, D. W. Ricker 1967-6-9 s.n. Placer near Auburn 400 Comment
  SDSU6905  Hypericum perforatum D. F. Howe 1959-8-1 2771 Placer 4 miles north of Auburn. 457 Comment
  CAS-BOT-BC401261  Hypericum perforatum Margaret J. Williams 1985-7-6 85- 63 -1 Placer Pacific Crest Trail between old and new Donner Summits Comment
  CAS-BOT-BC401267  Hypericum perforatum T. C. Fuller 1964-6-26 12253 Placer N. side of freeway, Interstate 80, to Donner Summit, 0.2 mi. w. of Gold Run, Sierra Nevada 762 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
  UCD21977  Ipomopsis aggregata Beth Lowe Corbin 1982-8-4 225 Placer 1/4 mile NW of Onion Creek campground. In rocky, fine, sandy soil in montane chaparral. Perennial. Flowers bright scarlett. Partial sun. SW facing slope, 15% incline. Uncommon. 1950 Comment
  SEINET12328855  Ipomopsis aggregata J. H. Nishida 1985-1 768 Placer Homewood, Red Fir Forest 1829 Comment
  CAS-BOT-BC133609  Iris hartwegii Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  CAS-BOT-BC133613  Iris hartwegii G. E. Poore 1913-4-30 188 Placer Tahoe National Forest, Quaker Hill Comment
  SEINET8529757 Image available Iris hartwegii Gerald Pullman 1974-5-25 40 Placer Mosquito Ridge Road, 1/4 mi. west of Mosquito Narrows Airstrip, 19.2 mi. east of Foresthill. Comment
  UCR137663  Iris hartwegii subsp. hartwegii E. Brenner, J. Hunter 1996-5-26 008 Placer Sierra Nevada Mountains, Tahoe National Forest, along Forest Hill Road at Mosquito Ridge at Volcano Canyon 1870 Comment
  UCR194941  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-18 12010 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCD38324  Isatis tinctoria Beecher Crampton 1954-5-11 1900 Placer 3 miles north of Auburn. Comment
  UCD43816  Ivesia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1182 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SACT002748  Juglans hindsii Josephine Van Ess 1979-7-10 Placer American River. Collected at old home site in horsetrail north of Rattlesnake Bar. Vernal stream bed. No nuts found. 176.8 Comment
  UCD42973  Juncus acuminatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 342 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC1101067  Juncus articulatus Malcolm A. Nobs and S. Galen Smith 1949-8-22 1537 Placer marshy pool on Dunn's Dam Rd 6 mi nw Auburn Comment
  SEINET6744631 Image available Juncus bufonius Marcus E. Jones 1882-1 2903 Placer Colfax, California 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
  JEPS73240  Juncus drummondii Gladys L. Smith 1972-8-25 3440 Placer Granite Chief, along trail below meadow within n-face cirque Granite Chief 2560 Comment
  CDA25002  Juncus ensifolius J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS49041  Juncus ensifolius Leland S. Smith 1927-8-22 2464 Placer along valley near Emigrant Gap; Tahoe forest, 6-Mile Valley 1584 Comment
  SD51288  Juncus ensifolius Darley F. Howe 1961-8-8 Placer 4 miles north of Auburn. 456 Comment
  UCD162587  Juncus ensifolius Steve Matson 2003-6-12 846 Placer nSNH; Tahoe Basin; Ward Canyon (west shore), about 2 miles East of Highway 89, near junction of Tahoe Rim Trail and Ward Canyon Road. 1987 Comment
  UCD33724  Juncus ensifolius Beecher Crampton 1972-7-26 8829 Placer Placer County, ca. 3 miles east of Baxter on Hwy. 80. 1524 Comment
  UCD75704  Juncus ensifolius Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5154 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
  SEINET6190258  Juncus ensifolius var. ensifolius M. J. Williams 1985-7-6 85- 63 -2 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits. Comment
  CHSC82579  Juncus hemiendytus var. hemiendytus Lowell Ahart 2002-7-22 9912 Placer On the south side of the small lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  CHSC74323  Juncus nevadensis Susi Urie 1998-8-26 98 -116 Placer Lake Tahoe Basin--National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC74325  Juncus orthophyllus Susi Urie 1998-8-29 98 -171 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD43151  Juncus orthophyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 519 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD36110  Juncus patens Beecher Crampton 1952-11-9 923 Placer 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UCD141873  Juncus phaeocephalus var. paniculatus John Thomas Howell; Gordon H. True 1971-7-1 48323 Placer Northern outskirts of Lincoln. 48 Comment
  UC128273  Juncus saximontanus Miss Harriet A. Walker 1393 Placer near Yuba River; Cisco Comment
  NY20192  Juniperus occidentalis F. W. Hunnewell 1921-7-15 7627 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
  SEINET11054373  Juniperus occidentalis var. australis D. Charlet 1997-4-17 2391 Placer Carson Range, Tahoe City, on E shoulder of Hwy 267, 0.2 mile N of the junction with Tahoe Highway. 1909 Comment
  SEINET11056450  Juniperus occidentalis var. occidentalis P. A. Lehenbauer 1937-9-5 s.n. Placer Cisco. 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
  UC27398  Keckiella breviflora Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD38469  Keckiella breviflora Beecher Crampton 1955-6-15 2882 Placer Dry canyon slopes, Bunch Canyon. Comment
  JEPS15111  Keckiella breviflora var. breviflora N. French 1934-5-29 377 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quad. 1463 Comment
  JEPS127441  Kelloggia galioides Steve Matson 1997-7-15 5 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/kings Beach; dirt road extension of Tiger Ave. Comment
  RSA121077  Kelloggia galioides B. Bolt 1934-7-19 152 Placer 1 mile S of Whiskey Hill. 1646 Comment
  UC662634  Kelloggia galioides L. S. Rose 1941-7-21 41338 Placer Chambers Lodge (McKinney); Lake Tahoe 1900 Comment
  UCD128375  Kelloggia galioides Albert Grigarick 2012-6-19 324 Placer Tahoe Rim Trail, Approx. 1.75 mi S Martis Peak Lookout. 2506 Comment
  UCD21609  Kelloggia galioides E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1278 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
  SEINET8730617 Image available Kelloggia galioides L. S. Rose 1941-1 41338 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  UCR123467  Kickxia elatine George K. Helmkamp, E. A. Helmkamp 1999-6-29 5053 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  CAS-BOT-BC180847  Kochia scoparia Beecher Crampton 1969-10-9 8519 Placer Interstate Highway 80 westbound between Yuba and Emigrant Gaps Comment
  CDA24282  Kumlienia hystricula M. S. Bergseng 1959-2-23 Placer Ponderosa Road, across river from Weimar. 0 Comment
  CAS-BOT-BC272322  Lachnagrostis filiformis John Thomas Howell; Gordon H. True 1971-5-26 47621 Placer Noarthern limits of Lincoln 48 Comment
  CDA39230  Lactuca serriola D. G. Kelch 2011-10-2 11 .814B Placer Gold Run rest stop. Comment
  CAS-BOT-BC341359  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  UC912271  Lagophylla glandulosa Herbert L. Mason 1929-10-4 5457 Placer 4 mi below Colfax (border of forest) Comment
  JEPS12637  Lagophylla ramosissima W. H. Shockley 1886-6-20 Placer Auburn Comment
  UCR171206  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2006-2-24 10075 Placer Northern Sacramento Valley, Junction of Wise Road and Garden Bar Road east of Ewing 95 Comment
  CDA37172  Lamium amplexicaule CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  UCR66538  Lasthenia fremontii C. B. Wolf 1937-5-12 08621 Placer Sacramento Valley, 1 mi north of Lincoln 46 Comment
  CHSC96471  Lasthenia glaberrima Lowell Ahart; Brian Williams 2007-4-13 13632 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
  RSA791426  Lasthenia glaberrima George K. Helmkamp, E. A. Helmkamp 2011-5-12 17252 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  UCR234016  Lasthenia glaberrima George K. Helmkamp, E. A. Helmkamp 2011-5-12 17252 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  CAS-BOT-BC213270  Lathyrus sulphureus Mrs. Mary E. P. Ames 1892-5-1 s.n. Placer Auburn Comment
  SEINET6658657  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12004 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 2.8 miles southeast of Foresthill (Foresthill 7.5' Q.).; 0 814 Comment
  UC864571  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer ca 1 mi w Baxter Comment
  UCR208554  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14669 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  JEPS119444  Layia chrysanthemoides George K. Helmkamp with E. A. Helmkamp 2011-4-10 17155 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan. Comment
  CAS-BOT-BC321709  Layia fremontii H. M. Hall 1917-5-10 10289 Placer North of Lincoln, Sacramento Valley Comment
  POM361721  Layia fremontii Mary E. P. Ames 1884-1 s.n. Placer [Unspecified] Comment
  UCR173788  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10714 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
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Jan 8 2013
  UCR171023  Layia platyglossa George K. Helmkamp, E. A. Helmkamp 2006-2-9 10063 Placer Northern Central Valley, Clark Tunnel Road and Calif. Highway 193, east of Lincoln 113 Comment
  SEINET10461282  Legenere limosa Holland 1983-4-26 HOLLAND 1229 Placer Unnamed tributary of Pleasant Grove Creek, south of Placer Boulevard, east of Highway 65 Comment
  CAS-BOT-BC88774  Lepidium appelianum T. C. Fuller 1964-9-1 12570 Placer Sierra Nevada. North side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. 1828 Comment
  RSA0042966  Lepidium campestre George K. Helmkamp, Mary Alice Barnes 2013-4-18 20350 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR170818  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2005-9-30 9958 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCD75761  Lepidium densiflorum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5233 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
  CAS-BOT-BC89730  Lepidium latifolium John Thomas Howell 1974-7-12 50606 Placer Sierra Nevada. Emigrant Gap. 1615 Comment
  RSA0033852  Lepidium latifolium Barbara Ertter 1999-7-9 16757 Placer Emigrant Gap Vista Point on Interstate 80. Comment
  UCR231849  Lepidium latifolium George K. Helmkamp, E. A. Helmkamp 2010-8-11 16754 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  CDA3789  Lepidium latifolium S. P. Fisher 1969-10-2 Placer Along Southern Pacific Railroad tracks, 3/4 mile northeast of Loomis. 0 Comment
  JEPS113103  Lepidium nitidum var. nitidum Lowell Ahart, Brian Williams 2007-4-13 13639 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
  UCD82963  Lepidium perfoliatum Albert Grigarick 2009-6-15 110 Placer E of Truckee, in parking area at the entrance of Martis Creek into Martis Creek Reservoir. 1775 Comment
  SD247379  Lepidium strictum George K. Helmkamp, Amy Barnes 2013-3-28 20288 Placer Eastern Sacramento Valley: northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan. 35 Comment
  UCD22379  Lepidium virginicum Rex Palmer 1979-6-8 N 121 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR146922  Lepidium virginicum var. pubescens Beecher Crampton 1961-9-27 6017 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  SACT001402  Leptochloa fascicularis Josephine Van Ess 1978-7-11 Placer Collected along Highway 65 opposite the rifle range and near the railroad tracks. Low moist area. Comment
  JEPS127500  Leptosiphon harknessii Steve Matson 1997-7-15 10 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UCD21480  Leucothoe davisiae Beth Lowe Corbin 1982-8-24 416 Placer One and 3/4 miles SW of the Cedars. 1950 Comment
  CAS-BOT-BC444159  Lewisia nevadensis Alice Eastwood 1909-1-1 271 Placer Lake Tahoe Region. Ward Creek Comment
  UC852034  Lewisia pygmaea Alice Eastwood Jun 15 1912-Jun 19 1912 441 Placer Tahoe City Lake Tahoe Region Comment
  UCD22152  Lewisia triphylla Rex Palmer 1979-6-19 N 262 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD64643  Leymus triticoides Beecher Crampton 1956-7-17 3725 Placer Blue Canyon. 1432 Comment
  CAS-BOT-BC436045  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer Mt. Lincoln south of Summit valley 2499 Comment
  CDA24986  Ligusticum grayi J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC74180  Ligusticum grayi Susi Urie; Eric Schroder 1998-9-9 98 -307 Placer Lake Tahoe Basin--National Forest. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  SEINET11120010  Ligusticum grayi M. J. Williams 1985-7-6 85- 61 -4 Placer Sierra Nevada, near old Donner Summit [road,] S of Lake Mary. 2286 Comment
  CAS-BOT-BC130531  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  UC984809  Lilium pardalinum A. M. Vollmer and L. Beane Jul 1951 188 Placer e of Nevada City (Bear Valley); Bear Valley Comment
  CAS-BOT-BC130774  Lilium pardalinum Lena E. Bowley 1941-6-1 s.n. Placer Colfax Comment
  UC148980  Lilium parvum H. M. Hall Jul 1910 8755 Placer near Cisco; Sierra Nevada Mountains 1859 Comment
  CAS-BOT-BC508484  Lilium parvum Lewis S. Rose 1944-7-25 44257 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  UCD22053  Lilium washingtonianum Beth Lowe Corbin 1982-8-10 306 Placer 1 3/4 miles NW of Onion Creek Campground. 2103 Comment
  SEINET7725732  Lilium washingtonianum Unknown Placer Summit Comment
  CAS-BOT-BC133074  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1909-1-1 184 Placer Sunnyside, Lake Tahoe Region Comment
  UCD116448  Limnanthes alba Rimo Bacigalupi; G. T. Robbins, F. Chisaki 1956-4-20 5628 Placer along Antelope-Roseville road, at Sacramento-Placer county line. 42 Comment
  SD255783  Limnanthes alba subsp. alba George K Helmkamp, Amy Barnes 2014-4-23 22812 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5'Q) 719 Comment
  UC1746057  Limnanthes alba subsp. alba Annetta M. Carter with Galen Smith 1951-4-16 Placer near Roseville Comment
  UC869475  Limnanthes alba subsp. versicolor C. L. Hitchcock 1940-5-7 6333 Placer ca 1 mi w Baxter Comment
  CHSC74000  Limosella acaulis Susi Urie 1998-8-19 98 -081 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UC23397  Linanthus bicolor Bolander 1865-4-13 4568 Placer Newcastle Comment
  UC59633  Linanthus dichotomus Mrs. M. E. P. Ames Placer Roseville 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
  CDA6361  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4178 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  CHSC97805  Linaria vulgaris L. P. Janeway; B. Castro 2007-9-28 9211 Placer Northern High Sierra Nevada. Along south bank of Truckee River 0.9 km southwest of the Lake Tahoe dam. 1893 Comment
  UC13524  Listera convallarioides Chesnut and Drew 1889-7-1 Placer Ackerman's Comment
  RSA1952  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-11 991 Placer 8 mi. west of Emigrant Gap. 1372 Comment
  UCR194956  Lithophragma bolanderi George K. Helmkamp, E. A. Helmkamp 2007-5-18 12033 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  CAS-BOT-BC430966  Lithophragma bolanderi W. A. Weber; Lewis S. Rose 1953-5-19 8389 Placer open grassy hills 1 mi. s. e. of Auburn 304 Comment
  UC1562608  Lithophragma parviflorum var. parviflorum Barbara Ertter with David Thompson 1989-4-9 8198 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
  UCD18323  Lithospermum californicum A. M. Shapiro 2001-5-12 s.n. Placer near Dutch Flat. 914 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
  HSC10299  Lolium perenne L. M. Malloy 1965-4-17 28 Placer Vacant lot adjacent to Hwy. 99E in Lincoln. Comment
  UCR173175  Lolium perenne subsp. multiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10128 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UCD66657  Lolium temulentum August L. Hormay 1932-5-24 Placer West of Auburn. Comment
  CDA16990  Lomatium G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16043 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. Sheet 1 of 2 1066 Comment
  CDA41077  Lomatium G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16043 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. Sheet 2 of 2 1066 Comment
  UCSB32284  Lomatium bicolor Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  SD247298  Lomatium dissectum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles southeast (167 degrees) of Colfax. 561 Comment
  JEPS72675  Lomatium dissectum var. multifidum Gladys L. Smith 1972-6-20 3257 Placer from Ward Peak summit to Sherwood Forest 2590 Comment
  JEPS72676  Lomatium nevadense var. nevadense Gladys L. Smith 1972-6-20 3249 Placer just below Ward Peak Summit 2628 Comment
  JEPS127404  Lomatium utriculatum Steve Matson 2006-4-23 1605 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCD126448  Lonicera conjugialis Rebecca Niell 1999-7-7 99- 3 Placer near Truckee River, north of Taho City on Rt. 89, near turnoff to Alpine Meadows Ski area. 1880 Comment
  CAS-BOT-BC200946  Lotus Hazelle A. Thomas; John H. Thomas 1956-7-21 6183 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCR208542  Lotus argophyllus var. fremontii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14610 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCD41422  Lotus corniculatus A. M. Shapiro 2002-6-15 s.n. Placer Old Highway 40, Donner Pass-Norden area. 2133 Comment
  SEINET5453657 Image available Lotus corniculatus E. Neese 1980-10-15 9985 Placer Gravel banks- roadside- in scrub oak community. Comment
  UCR194938  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12014 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UC80756  Lotus incanus Katharine Brandegee 1889-7-6 Placer Alta Comment
  UCR208265  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14645 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 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
  UCR229539  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17854 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
  JEPS102726  Lotus oblongifolius var. oblongifolius Lowell Ahart 2001-10-10 9356 Placer French Meadows Reservoir, about 1/4 mile NE of boat or trail access area on NW side of reservoir, about 3/4 mile SW of bridge across Middle Fork of American River, about 1 3/4 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1591 Comment
  UC65764  Lotus oblongifolius var. oblongifolius P. B. Kennedy and S. B. Doten 1901-8-15 406 Placer 6 mi from French Meadows Comment
  UCR233390  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18170 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  JEPS59492  Lotus purshianus var. purshianus Ezra Brainerd and Viola B. Baird 1915-7-22 244 Placer near Bear Rock Camp; Sierra Nevada Mts. 1889 Comment
  SEINET9323463  Lotus unifoliolatus var. unifoliolatus Unknown 1972-7-26 8836 Placer Carpenter Flat E of Emigrant Gap, dry soil along rd and banks UC Davis Herbarium Comment
  CAS-BOT-BC60252  Lunaria annua H. K. Wagnon; T. C. Fuller 1964-5-18 11982 Placer Alta. Railroad tracks east of Dutch Flat Road. 1097 Comment
  CDA3837  Lunaria annua G. D. Barbe, T. C. Fuller 1976-5-4 2176 Placer South of Railroad right-of-way along driveway, Alta. 0 Comment
  UC194800  Lupinus C. F. Sonne 1891-4-5 Placer along R.R. bet. Auburn and Newcastle; bet. Auburn and Newcastle Comment
  JEPS127435  Lupinus albicaulis Steve Matson 1997-7-19 119 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west Tiger Ave. Comment
  HSC59019  Lupinus albifrons Dan Wyrick 1975-3-29 19 Placer Near Long Point, close to Applegate 427 Comment
  CAS-BOT-BC201563  Lupinus albifrons var. albifrons Mary E. Jump 1939-3-30 s.n. Placer Highway 40, between Auburn & Colfax Comment
  RSA0035850  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  UCR188844  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11713 Placer Foothills, Northern Sierra Nevada Mountains, Forest Hill Road at the junction with the unnamed road to Lake Clementine 457 Comment
  UCR208263  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14646 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  UCR208573  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14607 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UCR111007  Lupinus angustiflorus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5094 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  POM10974  Lupinus apertus A. A. Heller 1909-7-16 9839 Placer Summit. 2134 Comment
  CHSC906  Lupinus arbustus D. Crummett 1937-5-31 Placer Tahoe Tavern. 1889 Comment
  JEPS71970  Lupinus arbustus Gladys L. Smith 1972-6-18 3138 Placer Alpine Meadows 2072 Comment
  UC726156  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Donner Lake Comment
  UCD74125  Lupinus arbustus Jennifer W. Burt; Sarah Shannon 2005-7-8 159 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  UCD22082  Lupinus argenteus var. heteranthus Rex Palmer 1979-6-20 N 318 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA308742  Lupinus aridus Betty J. Jorgensen 1944-7-23 526 Placer Near Soda Springs. Comment
  UCR224864  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2010-4-23 15908 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  JEPS65026  Lupinus benthamii Alice King 1920-1 Placer Rattlesnake Bend Rattlesnake Bend Comment
  CDA37057  Lupinus bicolor CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 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
  UCR222541  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-17 15886 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill 360 Comment
  CAS-BOT-BC208860  Lupinus breweri var. breweri John Thomas Howell 1938-8-2 14011 Placer Sand dunes on Lake Tahoe at Brockway. Comment
  SEINET10973215  Lupinus densiflorus Mary Susan Taylor 1975-5-10 Taylor 575 Placer Ca. 2 mi S of Auburn on Hwy 49, at bridge over American River, ca. 40 ft E of the bridge on N side of road; with Tunica prolifera, Toxicodendron diversilobum, Plantago lanceolatum. With Kevin Marsh. 213 Comment
  JEPS65249  Lupinus grayi Mrs. M. M. Hardy 1893-1 Placer near Emigrant Gap; near Emigrant Gap Comment
  UCR146915  Lupinus grayi Beecher Crampton 1955-6-15 2907 Placer Sierra Nevada Mountains, Yankee Jims 808 Comment
  UC127525  Lupinus lepidus var. confertus Miss Harriet A. Walker 1908-7-28 1483 Placer Bank of Yuba River Cisco (Cisco); Bank of Yuba River Comment
  CHSC74220  Lupinus lepidus var. sellulus Susi Urie 1998-9-4 98 -269 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  JEPS127538  Lupinus lepidus var. sellulus Steve Matson 1998-6-14 253 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, west of Martis Creek, east of vernal pools. Comment
  JEPS65389  Lupinus nanus R. E. Arp 1932-4-18 1 Placer Roseville Comment
  SEINET10402701 Image available Lupinus nanus Barbara Ertter, David Thompson 1989-1 8188 Placer Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., on NW side of road, ca 8 airmiles NE of Auburn 610 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
  UCR246785  Lupinus nanus CDFA Staff 2006-1 s.n. Placer Nute Ranch, near Nute Road Comment
  SEINET8059935  Lupinus polyphyllus var. burkei P. L. Comanor, B. Clark, B. O'Malia 1969-5-15 s.n. Placer Approx. 3 miles west of Colfax plot (1.85 mi. from end of railroad bridge on Calif. 194), up a dirt road located 1.2 mile past Bear Creek bridge additional 4/10 mi Comment
  SEINET12164817  Lupinus sellulus J. H. Nishida 1985-1 792 Placer Homewood, Red Fir Forest 1829 Comment
  NY16018  Lupinus silvicola A. A. Heller 1909-7-16 9857 Placer Summit 2133.6 Comment
  RSA0003512  Lupinus silvicola A. A. Heller 1909-7-16 9857 Placer Summit. 2134 Comment
  UCD16092  Lupinus stiversii James F. Randall 1999-5-1 s. n. Placer California. Placer County: 6.5 miles from Foresthill, along Forest Hwy 96 (Mosquito Ridge Rd.). 633 Comment
  SEINET8057999  Lupinus succulentus A. Allen 1950-4-29 18 Placer 1/2 mile west of Rocklin on highway 40, railroad right of way Comment
  SD113429  Lupinus vallicola Darley F. Howe 1948-5-20 1861 Placer 4 miles north of Auburn 456 Comment
  CDA12390  Luzula comosa G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8518 a Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. 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
  POM110695  Luzula comosa Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD142068  Luzula comosa Beecher Crampton 1966-4-14 7649 Placer 2.5 miles east of Lincoln. Comment
  SEINET11790128  Luzula comosa Unknown 1933-1 8454 Placer Auburn Comment
  SEINET6331925  Luzula comosa J. J. Murray 1965-3-13 s.n. Placer Auburn 549 Comment
  CHSC74326  Luzula comosa var. laxa Susi Urie; Eric Schroder 1998-9-8 98 -299 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD162581  Luzula comosa var. laxa Steve Matson 2004-7-31 1076 Placer nSNH; Tahoe Basin; Blackwood Canyon (west shore), about 1 mile ESE of Barker Pass; 20 south of road, 20 meters east of creek. 2316 Comment
  CAS-BOT-BC436672  Luzula comosa var. laxa L. S. Smith 1927-8-12 2206 Placer Tahoe National Forest: Upper Basin, Squaw Creek 2133 Comment
  UCR197979  Lycopus americanus Beecher Crampton 1953-10-6 1660 Placer north Lincoln city limit 52 Comment
  CHSC82656  Lythrum portula Lowell Ahart 2002-7-22 9890 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
  JEPS102475  Lythrum portula Lowell Ahart 2001-10-10 9344 Placer French Meadows Reservoir, near boat or trail access area on NW side of reservoir, about 1 mi SW of bridge across Middle Fork of American River, about 2 mi SW of Ahart Camp, about 22 mi (air) NE of Forest Hill. Comment
  SCFS1150  Madia E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  POM362221  Madia bolanderi Fay A. MacFadden 1934-7-26 12692 Placer Foot of Red Mountain Comment
  UC112863  Madia elegans Katharine Brandegee 1908-5-6 Placer near Auburn Comment
  UCD134236  Madia elegans Collector Unknown Date Unknown s.n. Placer Exact location unknown. Comment
  SDSU4733  Madia elegans subsp. densifolia D. F. Howe 1962-8-10 3418 Placer 1.2 miles north of Auburn. 457 Comment
  SD237340  Madia elegans subsp. vernalis G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15935 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 156 Comment
  UCR194935  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12018 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UC170026  Madia glomerata Miss Helen D. Geis 1912-6 169 Placer Deer Park 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
  UCD43198  Madia glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 567 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC343245  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco, west slope of Sierra Nevada 1804 Comment
  UCR120498  Madia minima George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5027 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  POM253192  Madia rammii A. A. Heller 1938-5-7 15076 Placer Between Smartsville and Rough and Ready. Nevada city about 12 miles E Comment
  SBBG58728  Maianthemum racemosum M. N. Ackley -Jun-1925 675 Placer Summit 2138 Comment
  SEINET8491550  Maianthemum racemosum A. Tiehm 1973-9-23 s.n. Placer Seven miles W of Donner Summit on I-80. 1981 Comment
  UCD139055  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer ca. 1 mile east of Baxter. Comment
  UCD22055  Maianthemum racemosum Rex Palmer 1979-6-8 N 122 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD33763  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer 1 mile east of Baxter. Comment
  RSA463241  Maianthemum stellatum J. H. Nishida 1985-7-10 780 Placer Homewood. 1829 Comment
  POM68334  Marah watsonii Mary E. P. Ames 1891-04 s.n. Placer Auburn [Bottom of printed label:Taylorsville, Indian Valley, Plumas Co.] Comment
  UC28955  Marah watsonii Bolander 4533 Placer Auburn Comment
  CAS-BOT-BC438827  Marrubium vulgare George K. Helmkamp; Mary Alice Barnes 2013-5-3 20470 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  CDA37174  Matricaria discoidea CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  UCR238582  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2012-3-31 18652 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SEINET7843610  Medicago arabica F. Brunetti 1962-4-1 s.n. Placer 2 miles east of Auburn, on north fork American River. 274 Comment
  JEPS65513  Medicago polymorpha W. H. Shockley June 1886 Placer Auburn Comment
  RSA0115436  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22532 Placer Sierra Nevada Mountains Foothills: North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49. 433 Comment
  RSA782371  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2010-4-23 15913 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  SEINET2441672  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2009-4-22 14558 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 (Auburn 7.5' Q.). 277 Comment
  UCR207850  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2009-4-22 14558 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
  SEINET4671509  Melica aristata P. B. Kennedy, S. B. Doten 1901-8-15 294 Placer Talbots home camp 7 miles from French Meadows Comment
  CHSC67861  Melica bulbosa var. inflata James D. Jokerst 1986-7-13 2742 A Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, above Ted Beedy's 'El Cap' on trail traversing slope. Comment
  SEINET9262024  Melica californica George K. Helmkamp, Amy Barnes 2014-1 22808 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  SACT001497  Melica californica var. nevadensis Michael Baad 1983-5-7 Placer 2.4 miles south of Colfax on Iowa Hill Road, descending to North Fork of American River. 978.0 Comment
  CAS-BOT-BC282063  Melica fugax Bolander 1870-6-17 s.n. Placer Cisco, Sierra Nevada Mts Comment
  SACT001506  Melica fugax Michael Baad 1977-6-8 Placer 1570.6 Comment
  SACT001508  Melica fugax Michael Baad 1977-6-2 Placer Mixed coniferous forest with white fir. 853.0 Comment
  UCD36657  Melica harfordii Beecher Crampton 1955-6-15 2884 Placer Placer County, Bunch Canyon, 2.5 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  SACT001530  Melica stricta Michael Baad 1983-9-3 Placer From west slope to saddle between Mt Judah and Mt Lincoln. 2529.0 Comment
  CAS-BOT-BC262449  Melica subulata G. L. Stebbins 1977-7-9 7769 Placer Along trail from McKinistry Lake to Rubicon River 1889 Comment
  UCR218451  Melica torreyana George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16427 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  SEINET239021  Melilotus albus Beecher Crampton 1972-7-26 8848 Placer Carpenter Flat east of Emigrant Gap. Drainage ditch along Laing's road 1615 Comment
  RSA409911  Mentha canadensis Wm. Martin 1972-9-10 20226 Placer 1 mile east of Weimer on Hwy 80 Comment
  OBI48941  Mentzelia dispersa Lewis S. Rose 1938-9-14 38269 Placer Truckee River, 3 mi NW of Tahoe City 1829 Comment
  UCD150573  Mentzelia dispersa James A. Neilson Jr. 1970-6-17 1560 Placer Tahoe Basin, 2 mi. NE of Tahoe City. 1914 Comment
  SEINET255582  Mentzelia montana Lewis S. Rose 1941-7-12 41313 Placer Chambers Lodge, (McKinney), Lake Tahoe. 1920 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-BC428873  Micranthes californica John H. Thomas; Hazelle A. Thomas 1956-7-21 6125 Placer Sierra Nevada. Vicinity of Donner Passs, about 80 miles northeast of Sacramento. 2377 Comment
  SCFS1224  Micranthes californica E. Krimmel 2014-5-10 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  UCD102830  Micranthes californica G. L. Stebbins 1970-4-4 6989 Placer Shirttail Canyon, on road from Colfax to Forest Hill, ca. 1/2 mile east of crossing of North Fork American River. 457 Comment
  SEINET6033448  Micranthes californica S. Dean 1979-3-31 s.n. Placer El Dorado Creek near junction with North Fork of Middle Fork of American River, off Mosquito Ridge Road to French Meadows 518 Comment
  CAS-BOT-BC429027  Micranthes nidifica C. F. Sonne 1884-8-24 90 Placer Sierra Nevada Mts. Above Coldstream 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
  UC2042501  Microseris nutans Holly Forbes, Barbara Keller, and T. Tomashek 2012-6-11 Placer Blackwood Canyon Rd., 0.2 mi. W of junction with Highway 89. Comment
  POM219151  Microseris nutans G. W. Fetters 1929-6-29 s.n. Placer Pomin's, Lake Tahoe Comment
  RSA26978  Mimulus angustatus C. L. Hitchcock 1940-5-14 6397 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UCD122225  Mimulus aurantiacus M. H. Mills 1996-4-12 146 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCR146916  Mimulus aurantiacus Beecher Crampton 1955-6-15 2893 Placer Sierra Nevada Mountains, 8.5 miles west of Iowa Hill, bottom of Shirttail Canyon 610 Comment
  UC980571  Mimulus bicolor Milo S. Baker 1936-6-22 8418 Placer vicinity Gold Run (Hwy. 40) Comment
  CHSC9509  Mimulus floribundus J. F. Goodwin 1971-7-10 151 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 198 Comment
  SCFS1200  Mimulus guttatus E. Krimmel 2014-6-26 Placer Rocky seep on sunny slope, above river below confluence with Serena Creek Comment
  UCR208601  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14629 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  RSA519034  Mimulus guttatus Barbara J. Ertter, David M. Thompson 1989-4-8 8148 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UC27118  Mimulus kelloggii H. N. Bolander 1865-4-10 4521 Placer Auburn Comment
  CDA15963  Mimulus layneae G. F. Hrusa, J. Glazner 1999-7-17 15126 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SCFS1166  Mimulus lewisii E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  UC1063101  Mimulus lewisii B. Bolt 1934-7-16 119 Placer Wabeno Creek Tahoe National Forest, Truckee Quadrangle Comment
  RSA0013385  Mimulus mephiticus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road. 1662 Comment
  JEPS71705  Mimulus minusculus Gladys L. Smith 1972-6-18 3141 Placer Alpine Meadows 2072 Comment
  UC702887  Mimulus moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney) Lake Tahoe Comment
  UC27049  Mimulus moniliformis Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD21891  Mimulus moschatus Rex Palmer 1979-7-9 N 436 Placer Onion Creek meadow #2. Comment
  UCR226139  Mimulus moschatus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5142 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  SEINET5796524 Image available Mimulus moschatus var. longiflorus Marcus E. Jones 1882-1 Placer Alta Comment
  JEPS9069  Mimulus nasutus Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, Juan Hunziker, Friedr. Ehrendorfer, et al. 1952-7-19 3857 Placer below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill road); North Fork of American River 381 Comment
  UCD122674  Mimulus nasutus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD42957  Mimulus primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 326 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC103790  Mimulus tilingii C. F. Sonne 1895-8-1 Placer above Coldstream; Sierra Nevada Mts. 2438 Comment
  UCD44424  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1790 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS71717  Mimulus tilingii Gladys L. Smith 1972-8-25 3435 Placer meadow below <Granite Chief> north cirque 2575 Comment
  UC193047  Mimulus tilingii C. F. Sonne Jul 25 1895-Aug 1 1895 Placer w slope Washoe Mts. Comment
  RSA420993  Mimulus torreyi Fay A. MacFadden 1934-7-9 12574 Placer Emigrant Gap. Comment
  UC8089  Minuartia californica H. N. Bolander 1865-4-11 4543 Placer near Auburn Comment
  CAS-BOT-BC432976  Mitella breweri John Thomas Howell 1943-7-21 18644 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC432978  Mitella breweri Emily McPherson 1976-6-12 76- 5 -1 Placer Loch Leven Lakes 2072 Comment
  LA27283  Monardella odoratissima Lewis S. Rose; 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  CAS-BOT-BC318580  Monardella odoratissima Catherine Best 1981-8-2 s.n. Placer Above French Meadow Reservoir. Comment
  UCD125270  Monardella odoratissima F. A. MacFadden 1934-7-9 s.n. Placer P.G. and E. flume below Emigrant Gap. Near Placer and Nevada Co's. 1371 Comment
  CAS-BOT-BC222100  Monardella odoratissima subsp. pallida H. M. Hall 1910-7-1 8731 Placer Sierra Nevada Mountains. Cisco 1828 Comment
  CAS-BOT-BC318590  Monardella odoratissima subsp. pallida Geo. B. Grant 1906-7-20 7055 Placer Tahoe Tavern, Lake Tahoe Comment
  SD243166  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2011-8-26 18168 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
  UC1124589  Monardella odoratissima subsp. pallida N. French 1934-6-22 459 Placer 1/2 mi west of Lake Van Norden; Truckee Quadrangle Comment
  UC25510  Monardella odoratissima subsp. pallida C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UCR201923  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2008-8-20 14030 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
  SEINET10582104  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 273 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  JEPS59506  Montia chamissoi Ezra Brainerd and Viola B. Baird 1915-7-7 260 Placer Sierra Nevada Mountains, Squaw Valley Squaw Valley; Sierra Nevada Mountains, Squaw Valley 1920 Comment
  CAS-BOT-BC445126  Montia parvifolia Marcus E. Jones 1882-6-1 s.n. Placer Emigrant Gap Comment
  POM101988  Montia parvifolia Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC260643  Muhlenbergia filiformis Margaret Williams 1974-8-8 74 -P1-37 Placer Murphy's Meadow, 5 miles SE of Hirschdale 2316 Comment
  SEINET4672123  Muhlenbergia filiformis M. J. Williams 1974-8-8 74 -PL-37 Placer Murphy's Meadow, 5 mi. SW of Hirschdale 2316 Comment
  OBI20096  Muhlenbergia richardsonis David J. Keil 1978-7-23 12935 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  CAS-BOT-BC83228  Myosurus minimus Alice Eastwood 1912-6-15 467 Placer Lake Tahoe Region. Tahoe City. Comment
  CDA19325  Myriophyllum spicatum R. Kerr 2001-6-21 s. n. Placer Sierra Nevada; Truckee River below Fanny Bridge in the vicinity of Tahoe City. 1896 Comment
  SEINET6412908  Myriopteris gracillima M. J. Williams 1970-6-23 s.n. Placer [Sierra Nevada] Near Cisco Grove 1722 Comment
  UCR216030  Nama lobbii George K. Helmkamp, Amy Barnes 2009-7-12 15186 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  RSA113797  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer Valley plain, Whitney Ranch, 6.8 miles N of Roseville Comment
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Dec 4 2013
  JEPS127455  Navarretia breweri Steve Matson 1998-6-14 228 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, at base of highway rampart, just west of Martis Creek. Comment
  UC101873  Navarretia divaricata Katharine Brandegee 1888-1 Placer Shady Run Comment
  JEPS59486  Navarretia divaricata Ezra Brainerd and Viola B. Baird 1915-7-31 236 Placer Nevada City, Hospital Farm Sierra Nevada Mts. 1524 Comment
  JEPS103305  Navarretia divaricata subsp. divaricata Lowell Ahart 2002-7-22 9896 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
  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
  UC1124094  Navarretia divaricata subsp. divaricata B. Bolt 1934-6-19 149 Placer Tadpole Spring Tahoe National Forest, Colfax Quad. 1950 Comment
  RSA91925  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer 3 miles north of Roseville, Hwy 99E. Comment
  UC126072  Navarretia filicaulis Katharine Brandegee Jul 1908 Placer near Cape Horn Comment
  CHSC82655  Navarretia intertexta subsp. intertexta Lowell Ahart 2002-7-22 9895 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
  SCFS1238  Navarretia leptalea E. Krimmel 2013-6-29 Placer North Fork American River, Painted Rock Trail, S. side top meadow Comment
  CHSC74112  Navarretia leptalea subsp. bicolor Susi Urie 1998-8-11 98 -010 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
  UC1123763  Navarretia leptalea subsp. bicolor B. Bolt 1934-7-12 112 Placer Devil's Peak Tahoe National Forest, Truckee Quad. 2042 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
  UC217358  Navarretia leptalea subsp. leptalea H. M. Hall 1910-7-10 8752 Placer Cisco Sierra Nevada, Cisco 1828 Comment
  UCR198536  Navarretia leucocephala subsp. leucocephala George K. Helmkamp, E. A. Helmkamp 2008-4-17 13287 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCD21971  Navarretia leucocephala subsp. minima Beth Lowe Corbin 1979-8-3 180 Placer Onion Creek campground. Disturbed ground in open, dry meadow. Small, annual herb with whitish to pale purple flowers. Full sun. Abundant. Southwest facing slope. 1841 Comment
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Sep 17 2015
  UC449816  Navarretia leucocephala subsp. minima Francis Ramaley 1917-4-14 11113 Placer Lincoln Comment
  UC112909  Nemacladus capillaris Katharine Brandegee 1908-7-18 Placer Cape Horn 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
  JEPS3148  Nemophila heterophylla L. Constance, J. L. Morrison 1938-4-30 2171 Placer at eastern edge Applegate (Sierra Nevada foothills); , e edge Applegate 609 Comment
  UCD119576  Nemophila maculata Barbara L. Hanson 1961-3-30 20 Placer Lee Mine Road, 4 miles east of Sacramento -- Roseville -- Auburn freeway. Comment
  SEINET5521021  Nemophila menziesii A. Beninghoff 1930-3-15 2684 Placer 5 miles east of Lincoln Comment
  UC718104  Nemophila menziesii Carl B. Wolf 1937-3-30 8351 Placer on Penryn Road 3 4/10 mi e Lincoln; Sacramento Valley, e of Lincoln 76 Comment
  UCD120249  Nemophila menziesii var. integrifolia Terri Williamson 1990-4-15 5 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  SD234422  Nemophila parviflora var. austiniae G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12192 Placer Northern Sierra Nevada Foothills: Mosquito Ridge Road, 13.5 miles E of its junction with Forest Hill Road in Foressthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River (Michigan Bluff 7.5' Q) 800 Comment
  JEPS127465  Nemophila spatulata Steve Matson 2003-6-15 799 Placer nSNH; Tahoe Basin; Kings Beach/Tahoe Vista; Snow Creek Watershed. Comment
  UCD22024  Nemophila spatulata Rex Palmer 1979-6-8 N 124 A Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET9372251  Nothocalais alpestris George Hrusa, Glazner, J. 1999-7-17 15154 Placer Martis Valley Comment
  CAS-BOT-BC349911  Nothocalais alpestris L. S. Smith 1928-6-28 2422 Placer Tahoe National Forest. Miller Lake Range 2042 Comment
  CAS-BOT-BC349912  Nothocalais alpestris L. S. Smith 1928-6-28 2422 Placer Tahoe National Forest. Miller Lake Range 2042 Comment
  UCD110206  Notholithocarpus densiflorus G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrendorfer, J. Hunziker, et al. 1952-7-20 5135 Placer 5 miles northeast of Forest Hill, on road to Iowa Hill. 914 Comment
  UCD149397  Notholithocarpus densiflorus G. Ledyard Stebbins 1976-7-4 7682 Placer Little Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS62082  Odontostomum hartwegii Leland S. Smith 1925-6-6 1627 Placer rd. to Colfax (above American R.); Tahoe Forest 533 Comment
  UCD42920  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 288 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44611  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1977 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC500307  Orobanche uniflora subsp. occidentalis C. F. Sonne 1884-8-24 281 Placer Sierra Nevada Mountains: Rocks above Coldstream 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
  UCD22164  Orthilia secunda Rex Palmer 1979-7-11 N 537 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC458059  Orthilia secunda Elizabeth Parsons Hawver 1912-8-17 s.n. Placer Lake Tahoe Region: Donner Lake Comment
  SJSU3256  Orthocarpus cuspidatus subsp. cryptanthus R. L. Fisher 1959-8-4 Placer Emigrant Meadow 2286 Comment
  SEINET3159771  Orthocarpus pilosus G. B. Grant 1906-7-25 887 Placer Lake Tahoe, Sierra Nevada Mts. Tallac 1890 Comment
  RSA790860  Osmorhiza George K. Helmkamp, E. Helmkamp 2012-5-11 18947 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  UC1505700  Osmorhiza berteroi Robert T. Clausen and Harold Trapido 1940-7-13 4888 Placer n Ward Creek (2 mi w of Lake Tahoe); Sierra Nevada, Lake Tahoe Basin 1905 Comment
  UCD43019  Osmorhiza berteroi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 388 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43254  Osmorhiza berteroi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 623 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD74022  Osmorhiza chilensis Jennifer W. Burt; Sarah Shannon 2005-7-8 144 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  UC398750  Osmorhiza occidentalis Katharine Brandegee 1917-1 Placer Cisco Comment
  SJSU10635  Oxyria digyna R. L. Fisher 1959-8-16 Placer Anderson Peak 2670 Comment
  UC849847  Oxyria digyna A. A. Heller 1917-8-14 12922 Placer near the crest Mt. Lincoln (s of Summit valley); Mt. Lincoln s of Summit valley 2499 Comment
  UCD22226  Panicum acuminatum var. acuminatum Beth Lowe Corbin 1982-8-11 321 Placer 1 3/4 miles SW of Onion Creek Campground. SE facing slope, 45% incline. Occasional. Full sun. Open rock outcrop in montane chaparral. Perennial. 1920 Comment
  UCD33749  Panicum acuminatum var. fasciculatum Beecher Crampton 1972-7-26 8863 Placer Gold Run, rest stop along Interstate 80. 914 Comment
  UCD34027  Panicum acuminatum var. fasciculatum Beecher Crampton 1975-9-9 9279 Placer Gold Run rest area on Hwy. 80. 914 Comment
  CAS-BOT-BC253674  Panicum capillare Catherine Best 1981-6-17 s.n. Placer Highway 80 Rest Stop near Gold Run 990 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
  CHSC79421  Panicum hillmanii Beecher Crampton 1975-9-9 9281 Placer Alta, Hwy 80. 1188 Comment
  SACT001644  Panicum pacificum Michael Baad 1983-6-27 Placer 4 miles east southeast of Forest Hill 365.0 Comment
  JEPS71841  Parnassia californica Gladys L. Smith 1972-8-23 3431 Placer n face of Granite Chief, Squaw Valley complex Granite Chief; , Squaw Valley complex 2575 Comment
  UC170098  Parnassia fimbriata Miss Helen D. Geis 1912-6 203 Placer Crags, Deer Park Deer Park; Crags, Deer Park Comment
  UCD88733  Paspalum dilatatum Beecher Crampton 1965-9-13 7496 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  CDA42833  Paspalum distichum G. F. Hrusa, M. Pitcairn 2015-7-16 18656 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 231 Comment
  UCD44542  Pectiantia breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1908 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD21900  Pedicularis groenlandica Rex Palmer 1979-7-11 N 549 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET13751978  Pedicularis racemosa H. A. Walker 1908-7-29 1502 Placer Cisco 1829 Comment
  UC1293799  Pedicularis racemosa E. F. Sprague 1957-7-14 1600 Placer up slope behind Rainbow Tavern (and to e end of road, Hwy 40) 1828 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
  JEPS35116  Pellaea breweri C. F. Sonne Aug 1887 320 Placer e slope <Mt Andersen> (above Coldstream); Sierra Nevada Mts Comment
  JEPS74224  Pellaea breweri Gladys L. Smith and Betsy Wilson 1972-6-21 3194 Placer Scott Peak 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
  UCD75751  Pellaea bridgesii Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5218 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
  SEINET3153904  Pellaea bridgesii G. B. Grant 1906-7-20 919 Placer Lake Tahoe, Sierra Nevada Mts. 2438 Comment
  SEINET6626468  Pellaea bridgesii M. J. Williams 1970-6-23 s.n. Placer [Sierra Nevada] Near Cisco Grove 1722 Comment
  SEINET178786 Image available Penstemon azureus Marcus E. Jones 1982-7-3 3437 Placer Colfax Comment
  NY571129  Penstemon azureus var. angustissimus D. D. Keck 1932-6-30 1584 Placer Sierra Nevada: ca. 4 miles south of Colfax, Placer Co. 640.1 Comment
  UC103094  Penstemon azureus var. azureus C. F. Sonne July 1889 Placer <?> Donner Lake (Strongs Canyon C.P.R.R.); Sierra Nevada, above Donner Lake, Strongs Canyon C.P.R.R. Comment
  UC580689  Penstemon azureus var. azureus B. Bolt 1934-7-11 96 Placer Cascade Lakes Truckee Quadrangle Comment
  UCR257734  Penstemon azureus var. azureus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19516 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
  JEPS71732  Penstemon deustus Gladys L. Smith 1972-6-20 3227 Placer Ward Peak 2632 Comment
  UC480748  Penstemon deustus W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Comment
  CDA16041  Penstemon gracilentus G. F. Hrusa, J. Glazner 2000-9-3 15672 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run., 2164 Comment
Read comments
Nov 7 2007
  CHSC9533  Penstemon gracilentus J. F. Goodwin 1971-7-11 164 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  NY601764  Penstemon heterophyllus var. purdyi A. A. Heller 1917-6-19 12748 Placer 5 miles west of Colfax Comment
  UC690370  Penstemon heterophyllus var. purdyi David D. Keck 1932-6-30 1586 Placer 0.8 mi n Weimar P.O.; Sierra Nevada, n of Weimar P.O. 685 Comment
  UCD21906  Penstemon laetus Beth Lowe Corbin 1982-8-2 162 Placer Onion Creek campground. In fine, sandy, granitic soil along disturbed bank. Perennial herb, with blueish violet flowers. Mostly sun. South facing slope. Uncommon. 1841 Comment
  UCR261295  Penstemon laetus L. S. Rose 1968-6-9 68070 Placer Sierra Nevada Mtns., Alta 1067 Comment
  NY951329  Penstemon neotericus C. A. Wellner 1984-6-21 3065 Placer 1524 Comment
  UCD123928  Penstemon neotericus D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. Mesic white fir forests. 1500 Comment
  OBI24256  Penstemon newberryi N. H. Russell 1961-6-16 11041 Placer 5 mi E of Calif 89, S end of Lake Tahoe Comment
  SCFS1206  Penstemon newberryi E. Krimmel 2014-4-21 Placer Farthest rocky outcrop on Point Mariah Comment
  UCD82833  Penstemon newberryi Robin McMaster 1973-6-3 449 Placer 2 mi W Lake Spaulding. 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
  CAS-BOT-BC239276  Penstemon newberryi var. berryi John H. Thomas; Hazelle A. Thomas 1956-7-21 6158 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC239282  Penstemon newberryi var. berryi Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe Comment
  NY627298  Penstemon newberryi var. newberryi J. H. C. Bouti 06 1888 s.n. Placer At Donner Lake Comment
  UC397383  Penstemon newberryi var. newberryi Katharine Brandegee Aug 1914-Aug 1917 Placer Cisco Comment
  SEINET12328851  Penstemon parvulus J. H. Nishida 1985-1 781 Placer homewood, Red Fir Forest 1829 Comment
  UCR231009  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16797 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-BC239577  Penstemon rydbergii var. oreocharis L. S. Smith 1926-6-23 1977 Placer Tahoe National Forest, Squaw Valley North side meadow 1828 Comment
  JEPS82200  Penstemon rydbergii var. oreocharis Gladys L. Smith 1982-6-24 7426 Placer Goose Meadow 1828 Comment
  NY651287  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  POM44142  Penstemon rydbergii var. oreocharis Marcus E. Jones 1897-6-24 s.n. Placer 10 to 15 miles west from Amedee. [incorrect county - should be Lassen] 1220 Comment
  SEINET5329702 Image available Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit, 2134 Comment
  CHSC67757  Penstemon speciosus James D. Jokerst 1986-7-13 2726 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the Summit of Needle Peak. Comment
  UC27447  Penstemon speciosus C. J. Fox Jr. July, 1895 Placer near Squaw Peak; near Squaw Peak Comment
  UC480750  Penstemon speciosus W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Lake Tahoe Region, Top of Ellis Peak Comment
  SEINET5329850 Image available Penstemon speciosus L. Miller 1934-6-10 s.n. Placer Tahoe City Comment
  UCD44517  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1883 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC419153  Persicaria maculosa Catherine Best 1985-9-15 1151 Placer Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  UCD80671  Persicaria punctata CNPS SN Foothill Team 2006-6-28 SNNR 0919 Placer CDPR, Folsom State Recreation Area, near the confluence of a small intermittent creek and the American River. 140 Comment
  UCD98376  Petrorhagia dubia M. D. Clegg 1963-5-4 27 Placer Folsom Reservoir, 2 miles north of Folsom, southeast corner of county. 60 Comment
  UCD22077  Phacelia Rex Palmer 1979-6-20 N 280 Placer Headwaters basin area of the North Fork of the American River. Comment
  SCFS855  Phacelia E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, Top Meadow. Comment
  CDA15918  Phacelia hastata subsp. hastata G. F. Hrusa, J. Glazner 1999-7-17 15137 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC249043  Phacelia hastata var. hastata George K. Helmkamp; E. A. Helmkamp 2010-7-28 16655 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UC1602035  Phacelia heterophylla subsp. virgata N. French 1934-6-22 477 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  UCR193394  Phacelia heterophylla subsp. virgata George K. Helmkamp, E. A. Helmkamp 2007-5-30 12208 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 Comment
  UC956796  Phacelia imbricata L. Constance 1951-5-20 3378 Placer on Loomis rd 4.5 mi n Folsom; Sacramento Valley 91 Comment
  POM296650  Phacelia mutabilis L. S. Rose 1941-7-11 41311 Placer Chambers Lodge (McKinney), Lake Tahoe. 1951 Comment
  SD241060  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 miles NE (65a^z) of Emigrant Gap (Blue Canyon 7.5'Q) 484 Comment
  UC909968  Phacelia mutabilis Marcus E. Jones, A. M. 1882-6-30 2813 Placer Emigrant Gap Comment
  UCR194933  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12020 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  JEPS126292  Phacelia racemosa Steve Matson 2003-9-6 1042 Placer nSNH; Truckee river Watershed SW of Truckee; Squaw Valley; Shirley Canyon; along Granite Chief trail to PCT. Comment
  RSA0047364  Phacelia racemosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19239 Placer Foresthill Road, 9.2 miles east of its junction with Devil s Thumb Road 2055 Comment
  UCD22018  Phacelia ramosissima Beth Lowe Corbin 1982-8-10 307 Placer 1.5 miles NW of Onion Creek Campground. 2057 Comment
  CAS-BOT-BC154287  Phacelia ramosissima var. subglabra C. F. Sonne 1886-7-18 241 Placer Top of R.R. [Canon] Canyon on Truckee River Comment
  CHSC40961  Phacelia stebbinsii J. D. Jokerst 1984-6-19 2060 Placer Scattered on moss-covered portions of metamorphic bedrock outcrop that forms a spur ridge that parallels a small creek feeding into Long Canyon Creek from the north. Plants mostly west side of side creek. 1036 Comment
  CHSC40967  Phacelia vallicola J. D. Jokerst 1984-6-19 2057 Placer North of Long Canyon Cr., E of Blacksmith Flat. 1127 Comment
  CAS-BOT-BC259076  Phalaris lemmonii L. R. Abrams 1935-4-20 13685 Placer Roseville, Sacramento Valley Comment
  UCD161472  Philadelphus lewisii Jean Dougherty 1986-5-31 86- 27 Placer On Mosquito Ridge Road, 2 miles from junction of Forresthill Road [sic]. 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
  UCR170813  Phleum pratense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9944 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  POM74807  Phlox diffusa subsp. diffusa Marcus E. Jones 1882-6-28 10481 Placer Emigrant Gap. Comment
  JEPS71637  Phlox gracilis Gladys L. Smith 1972-6-18 3149 Placer Alpine Meadows 2072 Comment
  JEPS72023  Phoenicaulis cheiranthoides Gladys L. Smith 1972-6-20 3223 Placer Ward Peak, from chair lift terminus to ultimate summit peak Ward Peak 2632 Comment
  CDA39028  Phoradendron juniperinum D. G. Kelch 2011-10-3 11 .827 Placer Tahoe City. Granlibakken Resort. Comment
  UC569812  Phyllodoce breweri N. French 1934-6-8 405 Placer Cisco Butte 2072 Comment
  CAS-BOT-BC60741  Physaria occidentalis C. F. Sonne 1886-7-18 23 Placer Sierra Nevada Mountains. Head of Squaw Valley on Truckee River. 2438 Comment
  UC1021595  Pilularia americana W. A. Weber 1953-5-19 8396 Placer 5 mi n Roseville (on rd. to Lincoln) 45 Comment
  UC1051421  Pilularia americana Francia Chisaki with R. Bacigalupi and T. Robbins 1956-4-20 691 Placer Antelope (on Roseville Road, just N of Sacramento-Placer County line) Comment
  JEPS73151  Pinus albicaulis Gladys L. Smith 1972-8-25 3422 Placer summit area Granite Chief 2775 Comment
  RSA7667  Pinus attenuata C. B. Wolf 1933-9-24 5492 Placer 7 miles above Calfax on the Trukee road. W slope of Sierra Nevada. 884 Comment
  CAS-BOT-BC78461  Pinus contorta subsp. murrayana Geo. B. Grant 1906-7-15 6997 Placer Tahoe Taver, Lake Tahoe 1889 Comment
  CAS-BOT-BC78462  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit [valley] Valley 2118 Comment
  CAS-BOT-BC78463  Pinus contorta subsp. murrayana Baki Kasapligil 1974-10-6 4912 Placer Soda Springs, Sugar Bowl 1828 Comment
  UC463414  Pinus contorta subsp. murrayana Ira L. Wiggins 1930-10-12 5081 Placer Donner Summit 2174 Comment
  UCR171397  Pinus contorta subsp. murrayana George K. Helmkamp, E. A. Helmkamp 2005-10-1 9976 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  RSA0116436  Pinus contorta var. murrayana I. L. Wiggins 1930-10-12 5081 Placer Donner Summit. 2175 Comment
  SEINET11738786  Pinus contorta var. murrayana H. H. Heller 1934-1 s.n. Placer Lake Tahoe Comment
  SEINET5334629  Pinus jeffreyi T. C. Frantz 1951-5-22 s.n. Placer between north end of Lake Tahoe and highway near Nevada state line. Comment
  CAS-BOT-BC78932  Pinus monticola Ira L. Wiggins 1930-10-12 5082 Placer Donner Summit 2174 Comment
  RSA0078054  Pinus monticola E. R. Blakley 1960-8-29 3792 Placer Carnelian Bay, Lake Tahoe. 1950 Comment
  IRVC9005  Pinus ponderosa Pamela I. B. Roeber 1974-10-20 66 Placer 3 miles S of Foresthill on Auburn-Foresthill Road. Comment
  HSC89614  Pinus sabiniana Brent Helm, Curtis Miller, Mark Steiger 1988-3-28 33 Placer Shingle Springs, MDBM 1621 Shadydale Ln., Bulk Collection # 33a 457 Comment
  UCD34186  Pistacia atlantica Beecher Crampton 1977-9-30 9532 Placer Placer County, Applegate. Comment
  HSC82625  Plagiobothrys austiniae Thomas W. Nelson, Jane P. Nelson 1979-4-11 4608 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  CHSC117460  Plagiobothrys cusickii B. Castro; Jessica Boyt 2013-9-11 2000 Placer Northern High Sierra Nevada. Plumas National Forest;W edge of Frenchman Lake, at boat ramp NW of 'Lunker Point' site on maps. 1703 Comment
  JEPS113117  Plagiobothrys fulvus Lowell Ahart, Brian Williams 2007-4-13 13636 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SDSU5440  Plagiobothrys fulvus var. campestris D. F. Howe 1951-5-1 2104 Placer 457 Comment
  JEPS103534  Plagiobothrys hispidulus Lowell Ahart 2002-7-22 9881 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
  JEPS126398  Plagiobothrys hispidulus Steve Matson 1998-6-27 312 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 40 yards south of Highway 267. Comment
  UCR121489  Plagiobothrys hispidulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 C Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC230948  Plagiobothrys hispidulus Alice Eastwood 1906-7-24 948 Placer Glen Alpine Region. Camp Agassiz Comment
  CHSC114671  Plagiobothrys nothofulvus CDFA Staff 1998-4-22 Placer Dry Creek. Comment
  UC1618221  Plagiobothrys nothofulvus Barbara Ertter with David Thompson 1989-4-8 8151 Placer Iowa Creek Rd. ca. 2 mi. from I-80 near entrance to Aubrun State Recreation Area (at creek crossing) 518 Comment
  UCR207899  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14583 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  SD43625  Plagiobothrys nothofulvus Darley F. Howe 1948-5-20 1839 Placer 456 Comment
  RSA791425  Plagiobothrys undulatus George K. Helmkamp, E. Helmkamp 2011-5-12 17255 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
  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
  UCR234015  Plagiobothrys undulatus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17255 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
  UC1950082  Plantago erecta Barbara Ertter with David Thompson 1989-4-9 8191 Placer NW side of road; Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., ca 8 airmiles NE of Auburn Comment
  CHSC81532  Plantago lanceolata D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  UCD21984  Plantago major Beth Lowe Corbin 1982-8-12 329 Placer Onion Creek campground. In sandy soil. Disturbed meadow near stream. Perennial. Inflorescence green. Full sun. SW facing slope, 5% incline. Common. 1841 Comment
  RSA382901  Platanthera leucostachys Fay A. MacFadden 1934-7-2 12560 Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  RSA382899  Platanthera leucostachys George Henry Grinnell 1932-8-17 a.n. Placer [County: Placer or El Dorado] Near lake Tahoe. Comment
  SEINET5340050  Platystemon californicus P. A. Lehenbauer 1937-4-11 s.n. Placer Near Lincoln. Comment
  CAS-BOT-BC516756  Plectritis macrocera George K. Helmkamp; Mary Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains foothills: Yankee Jim Road, 0.9 mi E of its jct with Canyon Way, 4.4 mi SE (167 deg. ) of Colfax 561 Comment
  JEPS5126  Plectritis macrocera R. E. Arp 1932-4-18 8 Placer sent from Roseville Comment
  SACT001777  Poa annua D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  SEINET7708966  Poa annua A. Tiehm, H. N. Mozingo; M. J Williams; E. McPherson 1975-1 604 Placer One mile north of Lincoln. Comment
  CAS-BOT-BC254761  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer Along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC254762  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer Base of a cliff, N of Summit hotel 1676 Comment
  CDA12420  Poa bolanderi G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8549 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD90567  Poa bolanderi R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40 (above Nayak) near Campton's store. Comment
  CDA36871  Poa bulbosa CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  OBI82260  Poa bulbosa George K Helmkampf, Mary Alice Barnes 2013-5-3 20491 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
  SACT001816  Poa bulbosa D. Meyer 1983-5-7 Placer Roadside. Comment
  UCR208266  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14647 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  SACT001823  Poa canbyi Michael Baad 1976-6-16 Placer Descending to stream crossing. Comment
  SEINET204034 Image available Poa canbyi F. J. Hermann 1955-7-27 11943 Placer along Turkee River on road to Squaw Valley, 4 miles north 1890 Comment
  SACT001832  Poa compressa D. Meyer 1983-7-16 Placer 1624.0 Comment
  CHSC67745  Poa cusickii subsp. epilis James D. Jokerst 1986-7-13 2715 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. 1859 Comment
  SACT001859  Poa incurva D. Meyer 1983-8-20 Placer To summit at first lake steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT001865  Poa incurva Michael Baad 1976-8-12 Placer Collected on transect from ridge between Emigrant Gap and Granite Cheif, north to Mountain Meadow Lake, northwest of Granite Cheif. 2438.4 Comment
  SACT001869  Poa nevadensis D. Meyer 1983-6-16 Placer 1624.0 Comment
  CHSC74343  Poa palustris Susi Urie 1998-8-13 98 -038 Placer Lake Tahoe Basin-National Forest. Meadow along he south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  RSA115550  Poa palustris Beecher Crampton 1956-7-17 3727 Placer railroad embarkment under Alnus, 3/4 mile west Blue Canyon 1433 Comment
  SACT001891  Poa palustris D. Meyer 1984-7-21 Placer 5.1 km north of Tahoe City 1879.0 Comment
  CAS-BOT-BC247375  Poa pratensis Saichi Kawahara 1969-7-6 1416 Placer West of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001911  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT001922  Poa pratensis D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT001925  Poa pratensis D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT001929  Poa pratensis D. Meyer 1984-9-9 Placer Collected at east fork of north fork of north fork of american river 1394.0 Comment
  SACT001933  Poa pratensis D. Meyer 1984-6-3 Placer Moist shrubby area. 606.0 Comment
  SACT001946  Poa pratensis D. Meyer 1984-6-23 Placer 22.2 km from I80 Frontage Road. 978.0 Comment
  SACT001948  Poa pratensis D. Meyer 1984-6-23 Placer Moist shaded area near brigde. 594.0 Comment
  SACT001953  Poa pratensis D. Meyer 1983-6-25 Placer 1418.0 Comment
  UCD91817  Poa pratensis A. A. Beetle 1941-5-26 2717 Placer near Cisco. 914 Comment
  UCD91878  Poa pratensis Beecher Crampton 1955-6-15 2888 Placer 1 mile south of the North Fork of the American River Bridge, Shirttail Canyon; 3.5 miles north of Yankee Jim. Comment
  UCD43161  Poa pratensis subsp. pratensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 529 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR121484  Poa pratensis subsp. pratensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SACT001971  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, open rocky meadows. Comment
  SACT002007  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  UCD44689  Poa secunda subsp. juncifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2055 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD92249  Poa secunda subsp. juncifolia Beecher Crampton 1969-7-1 8488 Placer 1/4 mile W of Emigrant Gap P.O. (Nyack Lodge). on Interstate Hwy 80 eastbound. Comment
  JEPS70662  Poa secunda subsp. secunda Leland S. Smith 1925-6-27 1652 Placer Balckwood Canyon, also Ward Creek Balckwood Canyon; Tahoe Forest 1920 Comment
  UC1132787  Poa secunda subsp. secunda B. Bolt 1934-7-3 70 Placer top of Sawtooth Ridge; Colfax Quadrangle Comment
  UC821094  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer ridge nw of Donner Pass 2377 Comment
  UCD91889  Poa secunda subsp. secunda F. M. Reed; R. L. Pendleton 1907-7-23 1527 Placer Lake Tahoe Region Creek S of Camp Glen Alpine Springs. 2103 Comment
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Jun 21 2012
  CAS-BOT-BC244154  Poa sierrae C. L. Hitchcock 1940-5-7 6341 Placer Ca 1 mile W of Baxter Comment
  CHSC112174  Poa sierrae Dean Wm. Taylor 2013-6-19 21370 Placer Ralston Ridge (ca 25 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down frfom (North of) Forest Road 25 along the ridgecrest. 1482 Comment
  POM112949  Poa sierrae Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  POM265916  Poa sierrae C. L. Hitchcock 1940-5-7 6341 Placer 1 mile west of Baxter Comment
  RSA0049711  Poa sierrae Dean Wm. Taylor 2013-6-19 21370 Placer Ralston Ridge (ca. 15 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down from (North of) Forest Road 25 along the ridgecrest 1482 Comment
  SACT002013  Poa tenerrima Josephine Van Ess 1980-4-15 Placer Collected on hill south of parking area about 1.25 mile east of highway 49. Moist hillside slope in serpentine. 414.6 Comment
  UCD91593  Poa wheeleri Mrs. H. P. Kelley 1915-6-22 s.n. Placer Squaw Valley. Comment
  POM70309  Pogogyne douglasii Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  CHSC85689  Polemonium pulcherrimum G. F. Hrusa; J. Glazner 2000-9-3 15666 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CAS-BOT-BC231287  Polemonium pulcherrimum Sherman Chickering 1974-1-1 s.n. Placer On the crest of the Sierra above Soda Springs Comment
  SBBG67658  Polygala cornuta var. cornuta M. N. Ackley -Jun-1925 787 Placer Gold Run 983 Comment
  UC1130351  Polygala cornuta var. cornuta N. French 1934-6-15 410 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UC35028  Polygala cornuta var. cornuta K. E. Cole July, 1900 Placer Dutch Flat Comment
  JEPS72805  Polygonum aviculare subsp. depressum Gladys L. Smith 1972-8-25 3403 Placer about chairlift above Shirley Lake (tr. to Granite Chief) 2499 Comment
  UCD43039  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 408 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD100173  Polygonum californicum Collector unknown 1928-10-31 1440 Placer Lincoln. Comment
  POM192998  Polygonum californicum H. P. Bracelin s.n. Placer 5 miles N of Placerville, Placer County. On road to Colonia Comment
  JEPS59370  Polygonum davisiae Ezra Brainerd and Viola B. Baird 1915-7-15 119 Placer Five Lakes Sierra Nevada 2298 Comment
  UC1136187  Polygonum davisiae B. Bolt 1934-8-23 194 Placer divide between Picayune and Grayhorse (Plot 230); Tahoe National Forest, Truckee Quadrangle Comment
  CDA15955  Polygonum douglasii G. F. Hrusa, J. Glazner 1999-7-17 15141 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA35123  Polygonum douglasii L. S. Rose 1944-7-22 44214 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UC849976  Polygonum douglasii subsp. douglasii A. A. Heller 1916-8-13 12910 Placer Summit hotel 2133 Comment
  UC148975  Polygonum minimum H. M. Hall July 1910 8703 Placer Cisco 1767 Comment
  UC726477  Polygonum minimum A. A. Heller 1919-7-24 13290 Placer near Cisco Comment
  UCD42926  Polygonum minimum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 294 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA15977  Polygonum polygaloides subsp. confertiflorum G. F. Hrusa, J. Glazner 1999-7-17 15169 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA689953  Polypodium californicum Elizabeth Flint 1930-1 103 Placer Near Penryn 244 Comment
  UCR235593  Polypodium hesperium George K. Helmkamp, E. A. Helmkamp 2012-5-5 18924 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
  CAS-BOT-BC232990  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch Rubicon River Comment
  SACT002028  Polypogon maritimus D. Meyer 1984-6-23 Placer Intersection of Iowa Hill Road and the American River, rocky riverbank. 978.0 Comment
  UCD36667  Polypogon maritimus Beecher Crampton 1955-6-15 2901 Placer Placer County, 1.5 miles west of Iowa Hill. 914 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
  CAS-BOT-BC104250  Populus trichocarpa C. B. Wolf 1931-9-11 1298 Placer Near creek, 7 miles below summit of Donner Pass, west slope of Sierra Nevada 1828 Comment
  POM212165  Populus trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
  UC128220  Populus trichocarpa Miss Harriet A. Walker 1908-7-25 1394 Placer Cisco near Yuba River (near Yuba River) 1798 Comment
  UC527363  Populus trichocarpa C. B. Wolf 1931-9-11 2422 Placer near creek 7 mi below summit Donner Pass (w slope of Sierra Nevada); , below summit Donner Pass 1828 Comment
  UCD38934  Populus trichocarpa Beecher Crampton 1961-9-27 6016 Placer 1 mile west of Cisco Grove. Comment
  UC1099844  Potamogeton natans Malcolm A. Nobs, S. Galen Smith 1949-8-21 1516 Placer between Sandy Beach and Agate Bay (n end of Lake Tahoe); Lake Tahoe Comment
  UC370  Potamogeton natans A. M. Carpenter 1893-8 Placer Comment
  UCD43859  Potentilla C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1225 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC141666  Potentilla flabellifolia C. F. Sonne 1886-7-25 73 Placer Mt. Stanford - Sierra Nevada Mts. 2590 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
  CHSC72886  Potentilla glandulosa subsp. ashlandica L. P. Janeway; Eric Schroder 1998-7-13 5746 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCR194962  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12005 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  NY578970  Potentilla glandulosa subsp. reflexa B. Crampton 1972-6-20 8827 Placer Upslope from Bear Valley, State Hwy. 20. 1402.1 Comment
  UCR120246  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5042 A Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR241737  Potentilla glandulosa subsp. reflexa George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19806 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  RSA463075  Potentilla glandulosa var. nevadensis Lyman D. Benson 1942-7-2 11246 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD22273  Potentilla gracilis Rex Palmer 1979-7-10 N 511 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22275  Potentilla gracilis Rex Palmer 1979-7-11 N 535 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC73080  Potentilla gracilis var. fastigiata L. P. Janeway 1998-8-6 5967 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SEINET6637688  Potentilla gracilis var. fastigiata P. Lehenbauer 1932-6-26 s.n. Placer Near Tahoe City Comment
  UC197214  Primula suffrutescens C. F. Sonne 1897-8-14 Placer e slope Mt. Anderson; Sierra Nevada, e slope Mt. Anderson 2438 Comment
  CAS-BOT-BC159732  Prunus andersonii Elizabeth Parsons Hawver 1911-8-20 s.n. Placer Lakeside, Lake Tahoe Region Comment
  HSC35044  Prunus emarginata Thomas W. Nelson, James Nelson 1974-6-17 1364 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  UCD22280  Prunus emarginata Rex Palmer 1979-6-9 N 152 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  UCD34019  Prunus emarginata Beecher Crampton 1975-9-9 9270 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  UCR232631  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16644 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  UC1128496  Prunus subcordata J. E. Sowder, R. W. Lundh 1933-4-10 25 Placer North East Colfax Hill 853 Comment
  CAS-BOT-BC357342  Pseudognaphalium microcephalum R. F. Hoover 1967-9-5 10825 Placer Cornelian Bay, Lake Tahoe Comment
  JEPS34003  Pseudognaphalium stramineum W. H. Shockley Jun 1886 Placer Auburn Comment
  SEINET12997150  Pseudostellaria Ronald L. Hartman 1997-7-11 58546 Placer Near campsite ca 200 yards from Foresthill Road, 2-2.5 road mi W from Sailor Flat trail turn-off. 1982 Comment
  UC1351095  Pseudotsuga menziesii E. Fritz 1936-1-28 8209 Placer Comment
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Jul 9 2015
  UC463304  Pseudotsuga menziesii var. menziesii Ira L. Wiggins 1930-10-12 5083 Placer near Cisco 1981 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
  UCR231829  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16769 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  SEINET7236742  Pterospora andromedea P. B. Kennedy, S. B. Doten 1901-8-15 404 Placer Bearman's Camp, 6 miles from French Meadows. Comment
  JEPS127515  Purshia tridentata var. tridentata Steve Matson 1999-6-12 404 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave. Comment
  UC1128527  Purshia tridentata var. tridentata N. French 1934-6-22 460 Placer 0.5 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. 2286 Comment
  UC480727  Purshia tridentata var. tridentata W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak; Lake Tahoe Region Comment
  SEINET7246500  Pyrola asarifolia T. W. Richardson 2002-8-8 s.n. Placer [Sierra Nevada] Tahoe City, Lake Forest, Robert Pomin Park 1902 Comment
  UCD21918  Pyrola picta Beth Lowe Corbin 1982-8-2 154 Placer Onion Creek campground. In deep, partially decomposed duff beneath Calocedrus decurrens, in mixed Conifer forest. Perennial herb with long, slender rootstock. Leaves firm, somewhat fleshy. Flowers unopened, greenish white. Leaves with white markings along veins. Full shade. South facing slope. Uncommon. 1841 Comment
  CAS-BOT-BC466095  Pyrola picta W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  SACT002681  Quercus Josephine Van Ess 1979-6-26 Placer Collected down river horse trail from Auburn dam site down to river. Collected about where trail begins to head down from top of river bluffs. Among other oaks, some open grassy areas. Comment
  UCD47001  Quercus X morehus Enid A. Larson; D. Giuliani 1970-11-23 s.n. Placer (Q. wislizenii A. DC. X Q. kelloggii Newb.). Lower Grays Meadow, Independence Creek, southwest of Independence, Inyo County, California. Comment
  SACT002626  Quercus chrysolepis Herbert Copeland 1935-3-17 Placer 970.0 Comment
  SEINET9005619  Quercus chrysolepis 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 parking area, down path approx. 60 meters. 1676 Comment
  SACT002613  Quercus chrysolepis var. nana Josephine Van Ess 1977-11-4 Placer Collected up first ravine to south below Highway 49. Dry west-facing slope. 365.8 Comment
  CAS-BOT-BC86611  Quercus douglasii Gordon H. True 1971-4-21 6530 Placer Auburn Ravine just W of Lincoln 49 Comment
  CAS-BOT-BC86612  Quercus douglasii Alice Eastwood 1894-9-1 s.n. Placer Newcastle 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
  UCD45973  Quercus durata Carl Chapman 1978-5-13 25 Placer 4 rd mi. E. of French Meadow Road and Forest Hill Road. 914 Comment
  UCD45926  Quercus durata var. durata G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, 1952-7-20 5130 Placer 9 miles northeast of Forest Hill on road to Iowa Hill. 1127 Comment
  CAS-BOT-BC105307  Quercus kelloggii Catherine A. Toschi 1963-3-23 63 .80 Placer 3 miles E of Auburn on the American River 396 Comment
  SACT002133  Quercus kelloggii Michael Baad 1977-4-13 Placer 0.2 miles north of Interstate 80; ecotone between pine forest and chaparral 502.92 Comment
  UCSC010009  Quercus kelloggii Al Keuter 2014-6-15 00 101 A Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  SACT002661  Quercus lobata Josephine Van Ess 1977-11-4 Placer Collected downstream from bridge on HIghway 49. Large tree near river. 365.8 Comment
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Nov 20 2014
  CAS-BOT-BC104586  Quercus vacciniifolia J. F. Emmel 1970-6-21 317 Placer Slope, 0.6 air mile S of South end of Lake Mary, S. of Donner Pass 2286 Comment
  SACT002711  Quercus vacciniifolia James Grove 1977-7-15 Placer 2000.0 Comment
  SD6105  Quercus vacciniifolia Unknown 1914-6-1 Placer Cisco Comment
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Jul 11 2010
  SEINET10437527  Quercus vacciniifolia T. C. Frantz 1951-5-22 s.n. Placer N end of Lake Tahoe, next to NV state line. Comment
  CAS-BOT-BC104989  Quercus wislizeni Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  HSC27258  Quercus wislizeni J. P. Smith 1972-3-22 5090 Placer Bridge over N Fork of American River. Comment
  UC405494  Quercus wislizeni Francis Ramaley 1917-4-24 11144 Placer Auburn Comment
  UCSC010002  Quercus wislizeni Al Keuter 2014-9-1 AK 00 -110 Placer Near 4850 Douglas Boulevard, Granite Bay. 92 Comment
  SACT002729  Quercus wislizeni Josephine Van Ess 1976-9-8 Placer Collected in vicinity of Juergenson Ranch. Roadside in open pastureland. 335.3 Comment
  SEINET3246067  Quercus wislizeni var. wislizeni G. K. Helmkamp, E. A. Helmkamp 2007-1 11710 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  CDA16823  Raillardella argentea G. F. Hrusa, J. Glazner 2001-7-15 15964 Placer Sierra Nevada; North summit face of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  JEPS37186  Raillardella argentea L. S. Smith 1925-7-15 1682 Placer near Talbot Camp; Tahoe National Forest, French Meadows 1828 Comment
  UCD83641  Raillardella argentea Albert Grigarick 2009-9-10 194 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  CAS-BOT-BC379468  Ranunculus alismifolius Peter Rubtzoff; Edward W. Colson 1976-7-7 8730 Placer Lake Van Norden, moist meadow on east side of lake 2063 Comment
  CAS-BOT-BC379277  Ranunculus alismifolius var. alismellus John H. Thomas; Hazelle A. Thomas 1956-7-21 6086 Placer Sierra Nevada; vicinity of Donner Pass, about 80 mi northeast of Sacramento 0000000000000000000000000 2377 Comment
  CHSC73983  Ranunculus alismifolius var. alismellus Susi Urie 1998-9-1 98 -181 Placer Lake Tahoe Basin--National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  RSA142999  Ranunculus alismifolius var. alismellus John H. Thomas, H. A. Thomas 1956-7-21 6086 Placer Sierra Nevada, Vicinity of Donner Pass, 80 miles NE of Sacramento 2134 Comment
  UC9357  Ranunculus alismifolius var. alismifolius J. Burtt Davy Jun 25 1897-Jun 30 1897 3260 Placer near Deer Park Inn; Truckee River Basin Comment
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Aug 8 2010
  UC191444  Ranunculus alismifolius var. alismifolius C. F. Sonne 1886-5-2 Placer Mayen Ranch Truckee Comment
  CAS-BOT-BC379377  Ranunculus alismifolius var. hartwegii Jean L. Thomson 1944-5-14 s.n. Placer Trout Creek near Truckee Comment
  CAS-BOT-BC379388  Ranunculus alismifolius var. hartwegii A. A. Heller 1915-7-7 12057 Placer near the summit of soapstone ridge in the Sierra Nevada, 12 mi west of Bucks 1676 Comment
  CAS-BOT-BC379396  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 385 Placer Lake Tahoe Region, Deer Park Comment
  CAS-BOT-BC379398  Ranunculus alismifolius var. hartwegii A. A. Heller 1917-6-19 12731 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC379436  Ranunculus alismifolius var. hartwegii C. F. Sonne 1886-6-13 327 Placer Sierra Nevada Mts., Prosser Creek near Truckee Comment
  CAS-BOT-BC379443  Ranunculus alismifolius var. hartwegii Peter H. Raven 1950-6-27 2426 Placer at S base of Boreal Ridge 2164 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
  JEPS30051  Ranunculus flammula E. R. Blakley 1960-9-3 3814 Placer Kings beach Lake Tahoe (exposed lake bottom) 1903 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
  JEPS60691  Ranunculus muricatus R. E. Arp 1932-4-18 11 Placer Roseville; along streams 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
  SEINET9303908  Ranunculus occidentalis Unknown 1999-7-17 15152 Placer Martis Valley Comment
  UC827913  Ranunculus occidentalis C. L. Hitchcock 1940-5-7 6312 Placer ca 1 mi w Baxter Comment
  SEINET5338819  Ranunculus occidentalis E. W. Mason 1976-3-13 s.n. Placer North Fork American River, about 2 miles south of Auburn. 274 Comment
  POM100033  Ranunculus occidentalis var. ultramontanus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  CDA16988  Ranunculus orthorhynchus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16041 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 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
  UCD44722  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2088 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  RSA21569  Rhamnus alnifolia Carl B. Wolf 1937-9-4 9287 Placer Sierra Nevada, NW of Lake Tahoe, 1 mile below Deer Park. 1982 Comment
  UCR115096  Rhamnus alnifolia G. Fred Hrusa, J. Glazner 1997-8-3 14032 Placer Corner of Hwy 89 and Squaw Valley Rd. 2020 Comment
  LA207843  Rhamnus rubra A. A. Heller; 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  UC592877  Rhamnus rubra Carl B. Wolf 1930-10-11 Placer 17 mi above Colfax (Baxter's Camp, w slope of Sierra Nevada); Sierra Nevada 1158 Comment
  SBBG59931  Rhododendron occidentale M. N. Ackley -Jun-1925 328 Placer Towle 1127 Comment
  JEPS46317  Ribes L. S. Smith 1928-7-21 2495 Placer Deer Park Tahoe Forest (along stream) 1950 Comment
  UC466048  Ribes C. F. Sonne June 1896 1569 Placer Fowler Deer Creek Comment
  UC466050  Ribes C. F. Sonne May 1896 1569 Placer Canyon Creek, Towle Station [inferred from other Sonne collections. This label reads Fowler Sta.] Comment
  SEINET5845255  Ribes 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 Calif. 194, winding road, plot located on the right past parking area, down path approx. 60 meters 1676 Comment
  CAS-BOT-BC108699  Ribes cereum Alice Eastwood 1912-6-15 370 Placer Lake Tahoe Region. Deer Park. Comment
  UC480721  Ribes cereum W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  UCD44644  Ribes divaricatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2010 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  RSA0021085  Ribes inerme A. A. Heller 1917-6-17 12718 Placer Along the Yuba River below Cisco. 1677 Comment
  SEINET13942545 Image available Ribes inerme A. A. Heller 2017-1 12718 Placer Low, grassy places along the Yuba river below Cisco, elevation about 5500 feet. 1676 Comment
  JEPS127482  Ribes inerme var. inerme Steve Matson 1998-6-14 232 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork Snow Creek; bog at western terminus of North Ave dirt extension Comment
  JEPS127485  Ribes inerme var. inerme Steve Matson 1998-6-14 240 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area, 20 meters north of Highway 267, 20 meters west of Martis Creek. Comment
  UC170080  Ribes inerme var. inerme Miss Helen D. Geis 1912-6 50 Placer Deer Park Comment
  JEPS71856  Ribes lasianthum Gladys L. Smith 1972-6-20 3259 Placer from Ward Peak summit to Sherwood Forest 2590 Comment
  HSC103190  Ribes lasianthum Jade Paget-Seekins 2010-7-18 48 Placer Mountains west of Lake Tahoe, up Forest Route 3 past the Ellis Peak trailhead, left onto road toward Miller Meadows. 2228 Comment
  SD43645  Ribes roezlii Darley F. Howe 1948-5-22 1900 Placer 1219 Comment
  UC566286  Ribes roezlii B. Bolt 1934-7-17 141 Placer 1/2 mi s Lost Emigrant Mine; Truckee Quadrangle 2072 Comment
  RSA0026923  Ribes roezlii Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon. 1463 Comment
  CAS-BOT-BC186206  Ribes roezlii var. roezlii Elizabeth Parsons Hawver s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC186214  Ribes roezlii var. roezlii A. A. Heller 1909-7-16 9845 Placer Summit 2133 Comment
  SEINET5339786  Ribes sanguineum J. Ridley 1959-4-19 26 Placer 1 mi. east of Baxter along small stream bank on south side of Highway 40 1219 Comment
  CAS-BOT-BC168769  Ribes viscosissimum Margaret J. Williams 1985-7-6 85- 63 -6 Placer Pacific Crest Trail between old and new Donner Summits Comment
  CAS-BOT-BC168775  Ribes viscosissimum Julia McDonald 1914-6-1 s.n. Placer Homewood Comment
  JEPS126396  Rorippa curvisiliqua Steve Matson 2002-5-26 521 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  UC170073  Rorippa palustris Miss Helen D. Geis 1912-6 198 Placer Truckee River at lake outlet Comment
  JEPS59382  Rorippa subumbellata Ezra Brainerd and Viola B. Baird 1915-7-23 130 Placer Sierra Nevada, Lake Tahoe, Greene's Point 1901 Comment
  CAS-BOT-BC146432  Rosa bridgesii G. K. Helmkamp; Amy Barnes 2009-7-12 15176 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UC12925  Rosa bridgesii Mrs. M. M. Hardy 1893-1 Placer Comment
  UC147639  Rosa bridgesii Harriet A. Walker 1908-6-23 1232 Placer Blue Canyon 1432 Comment
  UCR191060  Rosa bridgesii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12052 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  UC1128555  Rosa eglanteria N. French 1933-6-1 63 Placer Clipper Gap Sacramento Quadrangle Comment
  CAS-BOT-BC147020  Rosa woodsii subsp. ultramontana C. F. Sonne 1885-7-17 86 Placer Along Truckee River Comment
  SEINET7704065  Rosa woodsii var. ultramontana P. A. Lehenbauer s.n. Placer Lake Tahoe, Carnelian Bay. Comment
  CAS-BOT-BC133119  Rosaceae Saichi Kawahara 1969-5-24 847 Placer Near garden, Henderson Ranch, Indian Creek 1005 Comment
  UCD17679  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 88 Placer California. Placer County: on Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  CAS-BOT-BC147109  Rubus glaucifolius Marcus E. Jones 1882-6-28 3309 Placer Emigrant Gap 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
  RSA0009766  Rubus glaucifolius Marcus E. Jones 1882-6-28 3309 Placer Emigrant Gap. Comment
  SEINET5470384 Image available Rubus lasiococcus E. Neese 1980-10-15 9987 Placer Gold Run Rest area along I-80- 3000ft elev. Comment
  CHSC9515  Rubus parviflorus J. F. Goodwin 1971-7-10 154 Placer 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  UC14186  Rubus parviflorus W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Cascade Mts. vicinity of Lake Tahoe, Cascade Mts. 1897 Comment
  UC13002  Rubus ursinus H. N. Bolander 4532 Placer North Fork American River near Auburn; North Fork American River Comment
  UCD17696  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 22 A Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  UC89647  Rudbeckia occidentalis T. S. Brandegee 1888-9-1 Placer Blue Canyon Comment
  JEPS126333  Rumex acetosella Steve Matson 1997-7-24 123 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. heading west. Comment
  SEINET3860446  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2010-6-26 16404 Placer Sierra Nevada Mountains Foothills: Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way.; 0 591 Comment
  UC1136221  Rumex acetosella H. S. Yates 1934-6-29 3879 Placer ner Brockway; Tahoe National Forest, Truckee Quad. 1920 Comment
  UCR218118  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2010-6-26 16404 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR257627  Rumex acetosella George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19524 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
  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
  UCR194953  Rumex pulcher George K. Helmkamp, E. A. Helmkamp 2007-5-18 12002 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  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
  CAS-BOT-BC434299  Rumex triangulivalvis A. A. Heller 1917-6-19 12734 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC103609  Salix eastwoodiae W. R. Dudley 1900-6-15 5123 Placer on flat north east of Lake Mary Comment
  UC1729893  Salix eastwoodiae L. P. Janeway, Eric Schroder 1998-9-16 6324 Placer about 3.7 mi sw of Lake Tahoe (western border of Lily Lake, head of McKinney Creek, Homewood Quadrangle); Lily Lake, McKinney Creek 2164 Comment
  UCD22314  Salix eastwoodiae Rex Palmer 1979-7-11 N 551 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM215768  Salix exigua D. D. Keck 1933-6-1 2436 Placer 1 mile S of Loomis on road to Rocklin. 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
  UCD44537  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1903 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC108212  Salix hindsiana David D. Keck 1933-6-1 2436 Placer 1 mile south of Loomis on road to Rocklin Comment
  CDA39562  Salix laevigata H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 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
  CHSC13651  Salix lasiolepis E. L. Smith 1971-7-17 990 Placer At King's Beach. 1903 Comment
  CAS-BOT-BC124749  Salix lemmonii A. A. Heller 1917-6-19 12733 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC124764  Salix lemmonii W. R. Dudley 1900-6-29 5796 Placer near Tahoe City 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
  SD43610  Salix lemmonii Darley F. Howe 1948-5-22 Placer Placer Co. 1707 Comment
  SDSU9455  Salix lemmonii D. F. Howe 1948-5-22 1824 Placer 1707 Comment
  UCD43894  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1260 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC125065  Salix ligulifolia L. S. Smith 1931-5-22 1 Placer Tahoe National Forest, French Meadows 1828 Comment
  UC1134925  Salix ligulifolia B. Bolt 1934-8-22 189 Placer Grayhorse Flat Tahoe Nat'l Forest, Truckee Quad., Grayhorse Flat Comment
  POM107016  Salix lucida subsp. lasiandra Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  POM362680  Salix lucida subsp. lasiandra Glenn A. Gorelick 1965-8-21 s.n. Placer Emigrant Gap. Comment
  JEPS86497  Salix orestera L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6579 Placer ca. 5 mi se Donner Lake (near Frog Lake, in cirque below 7889 ft rise, ca. 1.5 mi se of Chickering houses at Soda Spring (old resort)); , Frog Lake, Sherman Chickering's Soda Springs ho 2286 Comment
  UCD44642  Salix orestera C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2008 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC129084  Salix scouleriana Beecher Crampton 1975-10-14 9321 Placer Blue Canyon airport area 1524 Comment
  SD43607  Salix scouleriana Darley F. Howe 1948-5-22 Placer Placer County 1219 Comment
  UCD22312  Salix scouleriana Rex Palmer 1979-7-12 N 641 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD33617  Salix scouleriana Beecher Crampton 1970-11-10 8656 Placer Placer County, Emigrant Gap, downslope from Hwy. 80 east. 1524 Comment
  UCR171026  Salix scouleriana George K. Helmkamp, E. A. Helmkamp 2006-2-9 10060 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  UCD40937  Salvia sonomensis Sook Hong 1989-5-20 12 Placer Bush area in the pine forest at the base of the waterfalls. 731 Comment
  RSA0093628  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2012-6-19 19214 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  RSA750890  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2007-9-14 12959 Placer along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  SD241173  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-7-9 17673 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 1.4 miles northwest of the city of Foresthill (Foresthill 7.5'Q) 764 Comment
  SD247498  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 (Foresthill 7.5'Q) 768 Comment
  UCR231868  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17017 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
  UCSB32297  Sanicula bipinnata Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CDA19549  Sanicula bipinnatifida M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 239 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
  SEINET11155811  Sanicula bipinnatifida D. E. Brix 1962-3-17 s.n. Placer North Fork American River, 3.5 miles NE of Auburn. 518 Comment
  UCR177015  Sanicula crassicaulis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10455 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
  SD43659  Sanicula crassicaulis Darley F. Howe 1948-5-21 1914 Placer 455 Comment
  UC1714588  Sanicula crassicaulis C. Ritchie Bell 1952-4-19 3 X417-1 Placer 1.6 mi n of the Placer-El Dorado County Line (above California Hwy 49) Comment
  JEPS126311  Sanicula graveolens Steve Matson 1998-5-24 194 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; about 1/2 mi north of Highway 267. Comment
  CHSC82521  Sanicula tuberosa Lowell Ahart 2002-7-22 9876 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
  SEINET5779691 Image available Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Chambers Lodge (McKinney), Lake Tahoe Comment
  UC1562644  Sanicula tuberosa Barbara Ertter with David Thompson 1989-4-9 8177 Placer 5 air mi nw of Foresthill (Shirttail Canyon Road 2.4 mi from Dipper Road); Shirttail Canyon Road 609 Comment
  UC875539  Sanicula tuberosa A. A. Heller 1917-6-17 12863 Placer below Cisco (along the Yuba River); Yuba River 1676 Comment
  UCD21591  Sanicula tuberosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1254 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. 2200 Comment
  UCD21668  Sanicula tuberosa Rex Palmer 1979-6-9 s.n. Placer Headwaters basin area of the North Fork of the American River. Mount Lincoln. 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
  JEPS47489  Saxifraga odontoloma C. F. Sonne 1886-8-6 91 Placer canyon above Coldstream; Sierra Nevada Mountains Comment
  SD240827  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2012-3-31 18664 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing (Auburn 7.5'Q) 257 Comment
  SJSU8159  Sceptridium multifidum R. L. Fisher 1959-8-12 Placer near pond, 2 mi W of Lake Van Norden 1981 Comment
  SEINET10292131  Schoenoplectus pungens R. D. Olson 1949-5-14 19 Placer US Highway 40, Roseville City Limit 61 Comment
  CAS-BOT-BC35625  Scirpus congdonii Saichi Kawahara 1969-5-25 1006 Placer Mel Henderson Ranch, Indian Creek 975 Comment
  UCD21846  Scirpus microcarpus Beth Lowe Corbin 1982-8-13 337 Placer 1/8 mile south of Onion Creek campground. Grassy meadow between creek and White Fir forest. Stalks up to 3 1/2' high. Mostly sun. South facing slope, 10% incline. Common. 1816 Comment
  UC1563887  Scleranthus annuus subsp. annuus Barbara Ertter with David Thompson 1989-4-8 8162 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  UC767432  Scrophularia californica R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln 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
  UC148967  Scutellaria californica H. M. Hall 1910-6-25 8720 Placer Rattlesnake Creek; Sierra Nevada Mountains, Rattlesnake Creek 1767 Comment
  CAS-BOT-BC418389  Sedum Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  JEPS72360  Sedum obtusatum Gladys L. Smith 1972-8-25 3442 Placer Glacial stairsteps between Squaw Valley and Granite Chief; btwn Squaw Valley and Granite Chief 2133 Comment
  SD125412  Sedum obtusatum Beth Lowe Corbin 1982-8-10 299 Placer 1.25 mile westnorthwest of Onion Creek Campground. 1980 Comment
  CAS-BOT-BC64208  Sedum obtusatum subsp. obtusatum John H. and Hazelle A. Thomas 1956-7-21 6225 Placer Vicinity of Donner Pass, about 80 mi NE of Sacramento. Sierra Nevada 2377 Comment
  CAS-BOT-BC64209  Sedum obtusatum subsp. obtusatum John Thomas Howell 1943-7-21 18661 Placer Donner Pass to Mt. Lincoln Comment
  SEINET3161900  Sedum spathulifolium M. E. Jones 1882-6-30 3345 Placer Emigrant Gap Comment
  CAS-BOT-BC59070  Sedum spathulifolium Charles von Geldern 1912-5-1 s.n. Placer Cedar Glen Comment
  RSA0074742  Sedum spathulifolium Marcus E. Jones 1882-6-30 3345 Placer Emigrant Gap. Comment
  CAS-BOT-BC62211  Selaginella watsonii Grant 1906-8-2 7144 Placer Glen Alpine, Lake Tahoe Comment
  CAS-BOT-BC363364  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer Ca. 1 mile west of Baxter Comment
  SD43765  Senecio aronicoides Darley F. Howe 1948-5-23 1922 Placer American River 305 Comment
  RSA0013335  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer 1 mile west of Baxter Comment
  UC2042507  Senecio integerrimus var. exaltatus Holly Forbes, Barbara Keller, and T. Tomashek 2012-6-12 Placer Blackwood Canyon Rd., 0.2 mi. W of junction with Highway 89. Comment
  CAS-BOT-BC364004  Senecio integerrimus var. major G. B. Grant 1906-7-15 7012 Placer Tahoe Tavern - Lake Tahoe Comment
  CAS-BOT-BC364028  Senecio integerrimus var. major H. D. Ripley; R. C. Barneby 1948-7-13 9828 Placer Yuba Gap, Placer-Nevada Co. line 1828 Comment
  UC202226  Senecio integerrimus var. major A. A. Heller 1917-6-17 12691 Placer near Yuba River (below Cisco) 1676 Comment
  UCD21786  Senecio integerrimus var. major Beth Lowe Corbin 1982-8-9 277 Placer 1/4 mile SW of Onion Creek campground. In fine, sandy soil. Opening in White Fir forest. Biennial. Ray and disc flowers withered, apparently yellow. Full sun. South facing slope, 10% incline. Uncommon. 30 Comment
  CDA13679  Senecio serra var. serra G. F. Hrusa, J. Glazner 1997-8-3 14039 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd., along Squaw Valley Rd. Comment
  UC71916  Senecio triangularis C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  CAS-BOT-BC364383  Senecio triangularis C. F. Sonne 1884-7-20 185 Placer Sierra Nevada Mts. Truckee Comment
  RSA473088  Senecio triangularis B. C. Templeton 1931-7-5 1511 Placer near Meek's Bay. 2280 Comment
  UCD15160  Senecio vulgaris Phyllis Adams 1982-4-24 9 Placer near the town of Auburn, in the American River Canyon, at the end of Flood Road; 441 Comment
  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
  UCD83590  Sericocarpus oregonensis subsp. californicus Albert Grigarick 2009-8-7 159 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1959 Comment
  SACT002081  Setaria faberi D. Meyer 1972-10-5 Placer Collected just north of Eureka Road. Weed along edge of irrigation ditch orchard. Comment
  UCD92678  Setaria faberi G. Douglas Barbe 1974-11-26 1984 Placer southeast corner of Newcastle Road and Brenner Road. Newcastle. Comment
  CDA37051  Sherardia arvensis CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CAS-BOT-BC213131  Sidalcea Catherine Best 1981-8-2 s.n. Placer Above French Meadow Reservoir, Sierra Nevada Comment
  JEPS59420  Sidalcea glaucescens Ezra Brainerd and Viola B. Baird 1915-7-25 140 Placer above Deer Park Inn (Garden of the Gods); Sierra Nevada Mts., Garden of the Gods 2072 Comment
  RSA795079  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2011-8-26 18182 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC112806  Sidalcea glaucescens Katharine Brandegee 1908-7-15 Placer Donner, Summit Station Donner; , Summit Station Comment
  UCD42878  Sidalcea glaucescens C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 245 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  OBI2962  Sidalcea glaucescens Lewis S. Rose 1968-7-20 68187 Placer 2 mi E of Cisco Grove 1768 Comment
  RSA232851  Sidalcea glaucescens L. S. Rose 1968-7-20 68187 Placer 2 miles east of Cisco Grove 1768 Comment
  SBBG29904  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 mi N of Colfax Comment
  UCD22000  Sidalcea oregana Beth Lowe Corbin 1982-8-2 159 Placer Onion Creek campground. In cut away bank of fine, sandy, granitic soil. Perennial herb, with pink- rose flowers, and semi-spreading stems. Mostly sun. South facing slope. Uncommon. 1841 Comment
  CDA13690  Sidalcea oregana subsp. oregana G. F. Hrusa, J. Glazner 1997-8-3 14050 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD150576  Sidalcea oregana subsp. spicata James A. Neilson Jr. 1971-8-1 2338 Placer Tahoe Basin, Lower Ward Valley. 1935 Comment
  UCD150578  Sidalcea oregana subsp. spicata James A. Neilson Jr. 1972-8-10 2705 Placer Tahoe Basin, Lower Ward Valley. 1981 Comment
  SEINET6165298  Sidalcea pedata Unknown 1982-1 Placer Comment
  UC942755  Silene californica Peter H. Raven, G. L. Stebbins Jr. 1952-4-20 4016 Placer North Fork American River s Auburn (near bridge on Rt. 49); North Fork American River s of Auburn 213 Comment
  UCD22170  Silene douglasii Rex Palmer 1979-6-20 N 305 Placer Headwaters basin area of the North Fork of the American River Comment
  POM100873  Silene douglasii var. douglasii Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  POM101045  Silene douglasii var. douglasii H. M. Hall 1910-7-4 8742 Placer Near Cisco. 1890 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
  SD247390  Silene invisa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19230 Placer Northern Sierra Nevada Mountains: Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road. 1671 Comment
  UCD159849  Silene invisa G. Ledyard Stebbins; Charlotte Pyles 1979-7-31 s.n. Placer North slope of ridge between Soda Springs, on North Fork American River, and Lyons Peak. 2072 Comment
  UCD99017  Silene laciniata subsp. californica J. L. Wirka 1995-5-19 s.n. Placer About 1 km from the trailhead of the Steven's Trail that descends the north fork of the American River Canyon outside of Colfax, south of I-80. 400 Comment
  UC147556  Silene lemmonii Harriet A. Walker 1908-6-23 1233 Placer Blue Canyon 1432 Comment
  UCR191109  Silene lemmonii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12318 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  JEPS127489  Silene menziesii Steve Matson 2000-6-27 462 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; NNW of west end of golf course. Comment
  CAS-BOT-BC181372  Silene occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco 1800 Comment
  UC465667  Silene sargentii Katharine Brandegee Aug. 1905 Placer Alta Meadows Comment
  UCR190136  Silene vulgaris George K. Helmkamp, E. A. Helmkamp 2007-9-14 12953 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  SEINET3814483  Sisyrinchium bellum Marcus E. Jones 1897-7-5 Placer Prattville 1372 Comment
  SD103520  Sisyrinchium halophilum Darley F. Howe 1978-7-15 Placer Along State Highway 20, 29 miles west of Truckee. 1646 Comment
  SACT002216  Sitanion hystrix D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT002218  Sitanion hystrix D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT002223  Sitanion hystrix D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT002232  Sitanion hystrix D. Meyer 1984-6-17 Placer Southeast of Weimar 545.0 Comment
  SACT002235  Sitanion hystrix Josephine Van Ess 1977-5-20 Placer Collected about 1.75 mile north of Hawk Logan Road on east-west portion of Garden Bar. Dry roadside bank. 85.4 Comment
  SACT002239  Sitanion hystrix D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT002252  Sitanion jubatum D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Road. 978.0 Comment
  SACT002255  Sitanion jubatum Michael Baad 1983-6-27 Placer 1219.2 Comment
  SACT002259  Sitanion jubatum Michael Baad 1977-6-8 Placer 1.3 miles southwest of Volcano Canyon on road between Forest Hill and French Meadows, roadside in serpentine. Comment
  UC147619  Smilacina racemosa Harriet A. Walker 1908-6-23 1226 Placer Blue Canyon 1432 Comment
  UC1364265  Solanum dimidiatum T. C. Fuller 17406 Placer Roseville, 221 Elm Street Roseville; , 221 Elm Street Comment
  UCD127066  Solanum xanti Ted Niehaus 1959-5-3 94 Placer small knoll 100 yards from lake, north shore of Folsom Lake, Granite Bay park, Comment
  SCFS1160  Solidago E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Cedar's Meadow. Comment
  UCR241764  Solidago altissima subsp. altissima George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19803 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
  UCR190588  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2007-9-14 12964 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 15 miles east of Foresthill 832 Comment
  UC579222  Solidago velutina subsp. californica G. T. Nordstrom 1934-6-21 130 Placer 4/10 mi w by nw Mammoth Springs; Colfax Quad. Comment
  CDA7650  Soliva sessilis M. K. Bellue 1947-3-22 Placer Lost Lake. 0 Comment
  CDA37238  Sonchus asper CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SCFS1121  Sorbus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  CAS-BOT-BC157304  Sorbus californica A. A. Heller 1909-7-16 9835 Placer Summit 2133 Comment
  CAS-BOT-BC158903  Sorbus scopulina W. R. Dudley 1909-8-7 s.n. Placer Little Bear Valley, near Dutch Flat Comment
  UCR233270  Spartium junceum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17679 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CAS-BOT-BC390059  Spergularia W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  NY482325  Spergularia bocconi E. J. Neese 1985-10-1 17298 Placer Gold Run rest stop along I-80 between Sacramento and Reno Comment
  JEPS102552  Spergularia rubra Lowell Ahart 2001-10-10 9363 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  CAS-BOT-BC390676  Spergularia rubra Saichi Kawahara 1969-7-19 1552 A Placer Highway 800, 500 feet south of Nevada County Line 1889 Comment
  CAS-BOT-BC390678  Spergularia rubra A. A. Heller 1917-6-17 12723 Placer Cisco 1828 Comment
  SEINET5337300  Spergularia villosa S. Brent 1972-10-8 s.n. Placer Auburn, American River. 427 Comment
  UCR206673  Spiraea densiflora George K. Helmkamp, E. A. Helmkamp 2009-7-16 15193 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CAS-BOT-BC152533  Spiraea splendens F. Almeda 1993-7-24 7258 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley - Sierra Nevada 2133 Comment
  UCD114068  Spiraea splendens G. F. Hrusa; J. Glazner 2000-9-3 15678 A Placer Sugar Bowl Ridge, immediately to w of proposed Crow's Nest ski run. 2164 Comment
  UCD22286  Spiraea splendens Rex Palmer 1979-7-10 N 513 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD33392  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8156 Placer 1 mile W of Gold Run on Interstate Hwy. 80. 914 Comment
  UCD33482  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 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
  JEPS126281  Stachys ajugoides Steve Matson 2003-6-29 816 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 yards north of Highway 267 and along Martis Creek. Comment
  SEINET3155893  Stellaria longipes W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  CAS-BOT-BC391173  Stellaria longipes subsp. longipes Geo. B. Grant 1906-7-15 6925 Placer Tahoe Tavern, Lake Tahoe Comment
  JEPS127491  Stellaria longipes subsp. longipes Steve Matson 1998-6-21 273 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, along east Martis Creek east of boundary fence. Comment
  UCR171028  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-24 10072 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  UCR171735  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-9 10059 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  SEINET5337366  Stellaria media M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks of American River. 274 Comment
  SEINET5337367  Stellaria media L. Killinger 1962-3-17 s.n. Placer 3 miles east of Auburn on north fork of American River. 396 Comment
  JEPS14564  Stenotus acaulis Chas J. Kraebel 1955-8-3 Placer Squaw Valley 2133 Comment
  UCD69357  Stephanomeria lactucina S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. 2100 Comment
  UCR209720  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 1701 Comment
  JEPS36882  Stephanomeria lactucina L. S. Smith 1925-8-13 1701 Placer road below Millers Defeat; Tahoe Forest 1859 Comment
  SACT002312  Stipa californica D. Meyer 1984-8-4 Placer 9.6 km north of Hell Hole, overlooking French Meadows. 1879.0 Comment
  SACT002319  Stipa californica Michael Baad 1983-9-3 Placer Collected from west slope of Mount Judah to saddle between Mount Judah and Mount Lincoln. 2529.0 Comment
  SACT002321  Stipa californica D. Meyer 1983-8-20 Placer To summit at first lake, steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT002338  Stipa cernua Josephine Van Ess 1975-5-23 Placer Collected on south slope leading up to Volcano Hill. Open grassy slope. Comment
  SACT002343  Stipa columbiana Michael Baad 1983-7-23 Placer Collected south of airport along northeast side of Highway 267 1767.84 Comment
  SACT002356  Stipa lemmonii Michael Baad 1977-6-2 Placer 8.5 miles southwest of junction of Deadwood Road. 666.0 Comment
  SACT002358  Stipa lemmonii Michael Baad 1976-6-17 Placer Collected on flood plain at Royale Gorge- Wabena Creek to Wildcat Canyon. Comment
  SACT002386  Stipa occidentalis D. Meyer Placer NO date provided 1660.0 Comment
  CDA15757  Streptanthus tortuosus G. F. Hrusa, L. Serafini 1993-6-29 11251 Placer S side of French Meadows Reservoir, immed. below dam. Comment
  JEPS27073  Streptanthus tortuosus C. F. Sonne June 1888 19 Placer above Donner Lake; Sierra Nevada Mountains Comment
  UCD116118  Streptanthus tortuosus Eric Brenner; John Hunter 1996-5-26 18 Placer along road to Big Trees, Mosquito Ridge Road, Tahoe National Forest. 1750 Comment
  UCD164328  Streptanthus tortuosus N. Ivalu Cacho; Sharon Y. Strauss, Patrick J. McIntyre 2011-6-25 IC-SS 235 - Placer Casa Loma Rd (Alta Exit): on serpentine outcrop along railroad tracks. 1164 Comment
  UCR208578  Streptanthus tortuosus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14622 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  CAS-BOT-BC245834  Symphoricarpos John H. Thomas; Hazelle A. Thomas 1956-7-21 6190 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  UCD137400  Symphoricarpos Beth Lowe Corbin 1982-8-3 199 Placer Hill west of Onion Creek Campground. 1853 Comment
  CAS-BOT-BC236445  Symphoricarpos mollis H. D. Ripley; R. C. Barneby 1948-7-13 9823 Placer SW of Emigrant Gap 1676 Comment
  JEPS21741  Symphoricarpos mollis Marcus E. Jones, A. M. 1882-6-27 3292 Placer Emigrant Gap 1584 Comment
  UCD74065  Symphoricarpos mollis Jennifer W. Burt 2005-7-11 74 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-BC245734  Symphoricarpos rotundifolius A. A. Heller 1909-7-16 9846 Placer Summit 2133 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
  CAS-BOT-BC97856  Symphyotrichum eatonii Fay A. Mac Fadden 1934-8-10 12865 Placer Cisco Comment
  UC615396  Symphyotrichum foliaceum Beryl O. Schreiber 1933-9-11 763 Placer road to Summit Comment
  CHSC73920  Symphyotrichum foliaceum var. parryi Susi Urie 1998-8-28 98 -127 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UC65315  Symphyotrichum spathulatum P. B. Kennedy and S. B. Doten 1901-8-19 418 Placer 7 mi from French Meadows Comment
  UCD44631  Symphyotrichum spathulatum var. spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1997 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC221924  Taeniatherum caput-medusae John Thomas Howell; Gordon H. True 1971-5-26 47617 Placer Northern limits of Lincoln 48 Comment
  CDA19565  Taraxacum officinale M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 221 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
  UCSB32305  Tauschia hartwegii Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UC1134377  Taxus brevifolia N. French 1933-10-18 107 Placer Yankee Jim Colfax Quad., Yankee Jim 609 Comment
  UC9  Taxus brevifolia H. N. Bolander 1865-4-13 4554 Placer Forest Hills Comment
  UC858892  Tellima grandiflora Marcus E. Jones, A. M. 1882-7-1 2710 Placer Emigrant Gap Comment
  UC20477  Tetrapteron graciliflorum H. N. Bolander 1865-4-13 4564 Placer Newcastle Comment
  CAS-BOT-BC392400  Thalictrum fendleri Alice Eastwood 1909-1-1 58 Placer Lake Tahoe Region. Sunnyside Comment
  CHSC72885  Thalictrum sparsiflorum L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5767 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD43892  Thalictrum sparsiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1258 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  RSA693557  Thelypteris nevadensis May N. Ackley 1925-06 64 Placer Near Towle Comment
  JEPS111234  Thlaspi arvense Steve Matson 2005-6-8 1276 Placer Martis Valley, ca 3 miles southeast of Truckee, National Recreation Area (Army Corps) south of 267, southeast of Martis Creek, Northstar golf course by pond near wellhead; 39.2973 N, 120.1170 W; Elevation 5840 ft. 1780 Comment
  JEPS126413  Thlaspi arvense Steve Matson 2002-6-29 538 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on east side of pond near Highway 28. Comment
  UCR250189  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20338 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
  UCD21726  Tiarella trifoliata var. unifoliata Robin McMaster 1972-6-6 118 Placer Lake Spaulding. Comment
  JEPS148  Torilis nodosa W. H. Shockley June 1886 Placer Auburn Comment
  JEPS888  Torilis nodosa W. H. Shockley June 1886 Placer Auburn Comment
Read comments
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
  MACF015659  Torreya californica F. A. MacFadden 1934-7-2 12718 Placer American River, 1 mile east of Rawhide Mine. Placer County; California Comment
  UC567143  Torreya californica N. French 1933-5-19 60 Placer near Iowa Hill; Colfax Quadrangle 91 Comment
  UCD43331  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 699 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SACT002423  Torreyochloa pauciflora D. Meyer 1984-9-23 Placer Plants in water end of paved road to Barker Pass beneath bridge 2121.0 Comment
  UC1334176  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer Dutch Flat n.e. of Masonic Cemetery; Dutch Flat 1005 Comment
  UC191385  Toxicodendron diversilobum C. F. Sonne May 17 1891-Jun 7 1891 Placer between Colfax and (fr - June 7.) Gold Run (below Auburn (fls.- May 17)) Comment
  UCD117029  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer Northeast of the Masonic Cemetery, Dutch Flat. 1005 Comment
  UCD22063  Toxicoscordion venenosum var. venenosum Beth Lowe Corbin 1982-8-9 280 Placer 1/3 mile SW of Onion Creek Campground. 1856 Comment
  CDA24998  Tragopogon dubius J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CDA39014  Tragopogon dubius M. Evans, D. G. Kelch 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  UCD22022  Trichostema oblongum Beth Lowe Corbin 1982-8-9 274 Placer 1/4 mile SW of Onion Creek campground. 1859 Comment
  JEPS75138  Trichostema oblongum J. M. Tucker 1975-7-28 4352 Placer 6 air mi S of Soda Springs (Nevada Co.) (100 yds W of the road into The Cedars, private holding on the upper North Fork of the American River) 1798 Comment
  SEINET5735071 Image available Trichostema oblongum J. M. Tucker 1975-1 4352 Placer Ca. 100 yards west of the road in to "The Cedars", private holding on the upper North Fork of the American River, ca. 6 miles (airline) south of Soda Springs (Nevada County).; Soda Springs 1798 Comment
  UCD15611  Trientalis latifolia Lisa Montany 1985-5-18 29 Placer Mosquito Ridge Rd, 14.3 miles west of Forest Hill Rd. Comment
  CDA19495  Trifolium campestre M. I. Wibawa 2002-5-27 269 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. F 91 Comment
  SD237450  Trifolium campestre G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14619 Placer Sierra Nevada Mountains Foothills: Oxbow Road, 2.0 miles south of its junction with Mosquito Rodge Road; north edge of Oxbow Reservoir (Michigan Bluff 7.5'Q) 402 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
  CHSC74091  Trifolium cyathiferum Susi Urie 1998-8-11 98 -005 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC146419  Trifolium cyathiferum Miss Harriet A. Walker 1908-7-25 1386 Placer Cisco Comment
  UCD22006  Trifolium cyathiferum Beth Lowe Corbin 1982-8-11 325 Placer 1.5 miles WNW of Onion Creek campground. 1950 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
  SD248416  Trifolium depauperatum var. depauperatum George K. Helmkamp, Amy Barnes 2013-3-28 20280 Placer Eastern Sacramento Valley; along 10th street/Ranch House Road, 0.6 mile south of its junction with Riosa Road in Sheridan. 42 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
  UCR250069  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20488 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
  CDA36913  Trifolium glomeratum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  UCR173176  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10126 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UCR198410  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2008-4-17 13297 Placer Sacramento Valley / Sierra Nevada Foothills, about 0.2 mile north of CA-193 on Fowler Road, about 6 miles east of Lincoln 93 Comment
  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
  RSA755332  Trifolium incarnatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14572 Placer Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  SEINET9260873  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-1 22809 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  JEPS111308  Trifolium kingii var. productum Steve Matson 2005-7-31 1429 Placer Just north of the Tahoe Basin, along logging about 1 km east of Brockway Summit (Highway 267) 200 meters south of paved road to Martis Peak; 39.2682 N, 120.0620 W ; elevation 7,460 ft 2273 Comment
  UCD111273  Trifolium longipes R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UCD111275  Trifolium longipes R. Tofsrud 1951-7-11 s.n. Placer Ice Lake, 4 mi. S of Soda Springs. Comment
  JEPS127423  Trifolium longipes subsp. hansenii Steve Matson 1997-6-25 12 Placer nSNH Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UC630854  Trifolium longipes var. hansenii unknown Placer Squaw Valley 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
  UC149006  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-1 8740 Placer Cisco Sierra Nevada Mtns 1798 Comment
  SEINET9262032  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-1 Placer Northern Sierra Nevada Mountains Foothills; Yankee Jims Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5 Q) 768 Comment
  UCD109307  Trifolium productum E. Wilson 1934-8-5 s.n. Placer Near Cisco. 1676 Comment
  CHSC96468  Trifolium subterraneum Lowell Ahart; Brian Williams 2007-4-13 13647 Placer On damp granite soil, margins and bottoms of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCR249534  Trifolium tomentosum George K. Helmkamp, Amy Barnes 2013-3-28 20299 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UC631450  Trifolium variegatum A. A. Heller 1919-7-25 13310 Placer below Cisco (near the Yuba River) Comment
  UCD14316  Trillium albidum Dan Cederquist 1984-5-22 18 Placer Rollins Lake. Comment
  SEINET8502208  Trillium chloropetalum B. M. Cunningham 1960-4-14 s.n. Placer At the Monte Viste Inn on Hwy 40 detour. 1219 Comment
  SEINET3992131  Trillium sessile var. giganteum C. L. Hitchcock 1940-5-7 6306 Placer ca. 1 mile west of Baxter Comment
  RSA0035742  Triphysaria eriantha George K. Helmkamp 2013-3-1 20152 Placer Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  SEINET13750545  Triphysaria eriantha D. F. Erskine 1941-4-28 14 Placer 2 miles E of Roseville. 76 Comment
  HSC82230  Triphysaria eriantha subsp. eriantha Thomas W. Nelson 1979-4-10 4590 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UC219136  Triphysaria eriantha subsp. eriantha Mary E. Pulsifer Ames Mar, 1895 Placer Auburn Comment
  SD241198  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2011-4-10 17174 Placer Sacramento Valley: 2 miles east of Hwy 65 in Lincoln, along CA-193 just west of the junction with Stardust Lane (Lincoln 7.5'Q) 75 Comment
  SEINET11261457  Triphysaria versicolor subsp. faucibarbata George Helmkamp, E. A. Helmkamp 2011-4-10 17158 Placer In Sacramento Valley along Riosa Road at the E edge on the village of Sheridan.; 0 41 Comment
  UCR234219  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2011-4-10 17158 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  CDA15658  Trisetum canescens G. F. Hrusa, J. Glazner 1999-7-18 15195 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment