Search Results — 2000 specimen records retrieved (1615 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=PLACER; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG24474  Abies concolor E. R. Blakley 1960-8-30 3796 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UCD23230  Abies concolor Beth Lowe Corbin 1982-8-19 389 Placer 1 1/2 miles south of The Cedars. 1889 Comment
  RSA123358  Abies magnifica R. W. Lundh 1933-4-26 241 Placer 3 miles E of Big Ben R.S. Truckee quadrangle. 1982 Comment
  UC484020  Abies magnifica var. magnifica Carl B. Wolf 1930-10-10 1726 Placer 5 mi from Truckee (Coldstream Canyon); Coldstream Canyon 1981 Comment
  UCD22100  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM85271  Acer macrophyllum Marcus E. Jones 1882-5-28 3308 Placer Emigrant Gap. Comment
  UC372535  Acer macrophyllum Marcus E. Jones, A. M. 1882-1 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  UCD117054  Acer macrophyllum K. H. Traver 1969-5-24 39 Placer 1 mile north of Forest Hill. Comment
  UCR208593  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14660 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  SEINET7894012  Acer macrophyllum J. Ridley 1959-4-19 24 Placer 1 mi. east of Baxter along small stream bank on south side of Highway 40 1219 Comment
  CDA39012  Achillea millefolium Larry Klaasen, D. G. Kelch 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  UC1125389  Achillea millefolium H. S. Yates 1934-6-29 382 Placer near Brockway; Truckee Quad. 1920 Comment
  UCD130325  Achillea millefolium Albert Grigarick 2011-8-31 306 Placer Alpine Meadows Ski Resort. Approx. 200 yds W of headquarters. 2150 Comment
  UCD33484  Achillea millefolium Beecher Crampton 1968-10-5 8387 Placer 10 miles S.E. of Truckee on State Hwy. 127. 1828 Comment
  UCD43935  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1301 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR233278  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2011-7-9 17684 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road at Foresthill 883 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
  CHSC74330  Achnatherum nelsonii subsp. dorei Susi Urie; Eric Schroder 1998-9-8 98 -276 Placer On north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CDA15968  Achnatherum occidentale subsp. californicum G. F. Hrusa, J. Glazner 1999-7-17 15118 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1133084  Achnatherum occidentale subsp. californicum B. Bolt 1934-7-3 69 Placer Sawtooth Ridge, top of Tahoe National Forest, Colfax Quadrangle Comment
  UCD51133  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3169 Placer 2 miles east of Emigrant Gap, along U.S. Highway no. 40. 1584 Comment
  UCD22219  Achnatherum occidentale subsp. occidentale Beth Lowe Corbin 1982-8-10 300 Placer 1 1/4 mile WNW of Onion Creek Campground. SE facing slope, 30% incline. Uncommon. Full sun. Open, granitic outcrop in montane chaparral. Bunchgrass, forming small tufts. 1981 Comment
  UCD21590  Achnatherum occidentale subsp. pubescens E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1253 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  CDA15993  Achnatherum occidentale subsp. pubescens G. F. Hrusa, L. Serafini 1993-6-29 11257 Placer Occasional on dry gravelly flats among granite boulders. Open huckleberry oak chaparral within white fir-ponderosa pine forest. S side of French Meadows Reservoir immediately below dam. Perennial bunch-grass. Comment
  CAS-BOT-BC218038  Achnatherum stillmanii Catherine Best 1979-7-7 s.n. Placer Ca. 15 miles E of Foresthill, Big Tree Grove 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
  CAS-BOT-BC218035  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine range, Forest Hill District, Tahoe Forest 914 Comment
  SDSU6824  Achyrachaena mollis unknown 1948-5-21 1835 Placer 457 Comment
  SD247414  Acmispon americanus var. americanus George Helmkamp, E. A. Helmkamp 2012-9-25 19917 Placer Northern Sierra Nevada Mountains: junction of Nyack Road and I-80 in the Emigrant Gap area (Blue Canyon 7.5'Q) 1652 Comment
  UCD103824  Acmispon americanus var. americanus G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11218 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  CAS-BOT-BC204856  Acmispon argophyllus var. fremontii Marcus E. Jones 1882-7-3 3338 Placer Colfax Comment
  CAS-BOT-BC204858  Acmispon argophyllus var. fremontii Lillian S. Mott 1965-5-23 6577 Placer Mosquito Ridge road out of Foresthill 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
  UCD104270  Acmispon nevadensis var. nevadensis R. Tofsrud 1951-7-1 s.n. Placer 5 mi. below Soda Springs, Hwy. 40. Comment
  SD43661  Acmispon parviflorus Darley F. Howe 1948-5-21 1916 Placer Placer County 456 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
  CAS-BOT-BC391457  Aconitum columbianum subsp. columbianum A. A. Heller 1917-8-13 12882 Placer Summit Valley 2118 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
  JEPS127522  Aconitum columbianum subsp. columbianum Steve Matson 2002-7-14 573 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, nearly one mile SW of parking lot and picnic spot, south side of Highway 267, along Lookout Mountain Creek. Comment
  CAS-BOT-BC391464  Aconitum columbianum subsp. columbianum C. F. Sonne 1884-8-24 9 Placer Sierra Nevada Mts. Mts above Donner Lake near C.P.R.R. Comment
  SD1177  Aconogonon davisiae C. F. Sonne Aug 1897 Placer Tinkers Knob Comment
  CAS-BOT-BC412849  Aconogonon davisiae G. Earle Kelley 1923-7-1 s.n. Placer Five Lakes, Tahoe Region Comment
  SCFS5068  Aconogonon phytolaccifolium E. Krimmel 2014-6-26 Placer Widespread. Near creek and into conifer woods. Comment
  SCFS11529136  Adenocaulon bicolor E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Comment
  SEINET3860417 Image available Adiantum jordanii George K. Helmkamp, Mary Alice Barnes; Mary Jane Ganibe 2010-7-2 16437 Placer Sierra Nevada Mountains Foothills: Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way Colfax.; 0 415 Comment
  UCR218241  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16437 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  UCR218244  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16429 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
  SEINET5338310  Adiantum pedatum P. B. Kennedy 1901-8-21 427 Placer Talbots Home Camp, 7 miles from French Meadows Cal. Comment
  SACT000028  Aegilops triuncialis Josephine Van Ess 1977-5-27 Placer River bank. 42.7 Comment
  SEINET6646638  Aesculus glabra D. G. Cooney 1960-5-1 18 Placer East of Auburn 1372 Comment
  CDA12416  Agastache urticifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8544 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CAS-BOT-BC15493  Agoseris X elata L. R. Abrams 1917-9-19 6780 Placer Lily Lake near Fallen Leaf Lake, Tahoe Comment
  UCD128584  Agoseris grandiflora G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10449 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along an unnamed road to Lake Clementine, 1.2 miles N of Forest Hill Road. 422 Comment
  SD113167  Agoseris heterophylla S. F. Blake 1951-5-5 2174 Placer Placer Co. 455 Comment
  CAS-BOT-BC13324  Agoseris retrorsa L. S. Smith 1926-5-25 1835 Placer Tahoe National Forest. Mosquito Ridge below Dollar Camp Comment
  SEINET10909049  Agropyron pringlei A. Arthur Heller 1917-8-13 Heller 12919 Placer Ridge northwest of Donner Pass on a steep gravelly slope below a ledge of igneous rock, the neighboring forest composed of Abies magnifica. 2377 Comment
  SACT000070  Agropyron trachycaulum D. Meyer 1983-8-7 Placer Along Truckee River, east bank 1879.0 Comment
  SACT000071  Agropyron trachycaulum Michael Baad 1983-7-23 Placer Boggy meadows along road 1828.8 Comment
  JEPS83018  Agrostemma githago Doug James 1973-5-27 115 Placer Off Auburn-Forest Hill Road 11.2 mi from Highway 49 655 Comment
  UCR201890  Agrostis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14034 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCR249607  Agrostis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20837 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  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
  CAS-BOT-BC127107  Agrostis exarata Lewis S. Rose 1944-7-26 44272 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CHSC74332  Agrostis exarata Susi Urie; Eric Schroder 1998-9-12 98 -370 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CHSC81841  Agrostis exarata Lowell Ahart 2001-10-10 9360 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  SACT000089  Agrostis exarata D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SACT000093  Agrostis exarata Josephine Van Ess 1977-9-16 Placer Growing in mud in small pools at river's edge 378.0 Comment
  SEINET9363211  Agrostis exarata Unknown 2009-7-16 15191 Placer Sierra Nevada Mountains Comment
  UCD34018  Agrostis exarata Beecher Crampton 1975-9-9 9269 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  UCD36126  Agrostis exarata Beecher Crampton 1952-11-9 931 Placer Placer County, 6 miles east of Auburn, 1 mile south of Meadow Vista. 457 Comment
  UCR146666  Agrostis exarata Beecher Crampton 1970-6-26 8640 Placer Sierra Nevada Mountains, Gold Run 915 Comment
  CAS-BOT-BC139254  Agrostis idahoensis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  UCD42963  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 332 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43997  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1363 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD52993  Agrostis idahoensis Lewis S. Rose 1944-7-26 44273 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  SEINET10968050  Agrostis idahoensis A. Arthur Heller 1919-7-25 Heller 13293 Placer Sandy flat near the Yuba river below Cisco. Comment
  SBBG115650  Agrostis microphylla B. Crampton 1957-5-7 3998 Placer ca. 1.7 mi E of Lincoln, rd to Newcastle Comment
  SEINET4341131  Agrostis microphylla B. Crampton 1957-5-7 3998 Placer 1.7 miles east of Lincoln, road to Newcastle Comment
  CAS-BOT-BC139001  Agrostis pallens A. A. Heller 1917-8-13 12897 Placer Base of cliff north of Summit Hotel. Comment
  UCD44504  Agrostis pallens C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1870 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SACT000156  Agrostis scabra D. Meyer 1984-7-15 Placer 4.8 km from the lodge 1909.0 Comment
  SACT000157  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 Comment
  SACT000169  Agrostis scabra D. Meyer 1983-9-10 Placer moist streambank and meadow 1879.0 Comment
  CHSC69967  Agrostis stolonifera L. P. Janeway; Eric Schroder 1997-7-17 5247 Placer Meadow on southeast side of Fulda Creed at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 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
  SACT000194  Agrostis stolonifera var. major D. Meyer 1983-9-10 Placer near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT000216  Agrostis tenuis D. Meyer 1984-6-10 Placer 606.0 Comment
  SACT000217  Agrostis tenuis D. Meyer 1984-8-17 Placer 667.0 Comment
  SACT000246  Agrostis variabilis D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT000247  Agrostis variabilis D. Meyer 1983-8-20 Placer Collected from the road to summit of trail at 1st lake. Steep rocky trail with moist meadow areas. 2000.0 Comment
  SACT000248  Agrostis variabilis D. Meyer 1984-7-15 Placer 1909.0 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
  UCD53716  Agrostis variabilis B. Crampton 1953-7-21 1537 Placer Harrison Flat road, 1 mile south of Soda Springs. 2133 Comment
  UCD53720  Agrostis variabilis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  RSA385608  Aira caryophyllea A. A. Beetle 1941-5-26 2710 Placer Near Cisco 915 Comment
  RSA492380  Aira caryophyllea P. Reisentz 1979-5-11 s.n. Placer 1 mile south of Sheridan on Highway 65. Comment
Read comments
Jan 12 2015
  SACT000236  Aira caryophyllea Michael Baad 1983-4-17 Placer Descending to Middle Fork of American River 411.48 Comment
  UCR231889  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2011-4-10 17146 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  SEINET10509650  Aira caryophyllea Alan A. Beetle 1941-5-26 Beetle 2710 Placer Near Cisco. 914 Comment
  HSC15961  Alcea rosea R. A. Magie 1964-6-13 108 Placer Indian Hill Rd., Auburn Comment
  UCD137990  Alisma triviale Alan a. Beetle 1941-6-27 2728 Placer 1 mile north of Lincoln. 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
  UCD138499  Allium campanulatum J. M. Tucker 1975-7-29 4354 Placer ca. 1/2 mile south of Tinker Knob, ca. 8 miles (airline) southeast of Soda Springs. 2286 Comment
  UCD18248  Allium campanulatum E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 460 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  CAS-BOT-BC464522  Allium campanulatum D. E. Breedlove 1962-6-13 3546 Placer On the western bank of Lake Tahoe along State Hwy. 89, 8.3 miles south of Tahoe City 1889 Comment
  CAS-BOT-BC464523  Allium campanulatum C. F. Sonne 1886-7-18 412 Placer open woods on Truckee River Comment
  RSA123619  Allium campanulatum Milo S. Baker 1931-5-31 5340 Placer Highway 40, 1 1/2 miles west of Big Bend Ranger Station. Comment
  SCFS1194  Allium obtusum E. Krimmel 2014-4-21 Placer Pt. Mariah Comment
  UCD22044  Allium obtusum Rex Palmer 1979-6-10 N 183 Placer Headwaters basin area of the North Fork of the American River 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
  CHSC46525  Allium platycaule Lowell Ahart 1964-7-3 12 Placer Along the trail to the Placer Queen Mine, north-east of Bald Mountain. 1676 Comment
  UC188737  Allium platycaule C. F. Sonne July 1887 Placer near Truckee River Comment
  UC566211  Allium platycaule N. French 1934-6-22 458 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2286 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
  SEINET3861937  Allophyllum gilioides subsp. violaceum Genevieve K. Walden 2009-6-25 214 Placer Northstar Ski Resort parking lot, in median strips near riparian creek.; 0 1927 Comment
  CDA12405  Allophyllum integrifolium G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8533 Ab Placer Lake Tahoe; W end of Ward Valley. N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC1123707  Allophyllum integrifolium B. Bolt 1934-7-10 93 Placer 2 mi. s. Huysink Lake; Tahoe Nat'l Forest, Colfax Quad. Comment
  UCD43246  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 615 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET8074268  Alnus incana var. occidentalis R. N. Ell 1999-7-27 2 Placer Near Truckee River, N of Tahoe City on Rte. 89, near turnoff to Alpine Meadows Ski Area. 1881 Comment
  SACT000314  Alopecurus pratensis D. Meyer 1984-5-27 Placer Meadow surrounded by sagebrush type vegetation. Hwy 267 Comment
  UCD150259  Amaranthus albus James A. Neilson Jr. 1971-9-9 2645 Placer Tahoe City Nursery (McBride's Nursery). 1905 Comment
  JEPS7815  Ambrosia artemisiifolia Peter H. Raven 1954-8-27 7957 Placer at the lower edge of the oak belt Penryn Comment
  CDA24996  Amelanchier utahensis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Shrub on wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC107416  Amorpha californica Karen I. Callahan 2010-6-26 17 Placer Northern Sierra Nevada Foothills. Shutamul Preserve of the Placer County Land Trust. North slope above the Bear River, NW of Hwy 49 and S of the confluence of Wolf Creek with Bear River. 335 Comment
  POM118157  Amorpha californica H. M. Hall, F. M. Essig, C. C. Hall 1916-6-5 202 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada. 400 Comment
  JEPS113106  Amsinckia eastwoodiae Lowell Ahart, Brian Williams 2007-4-13 13670 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln 37 Comment
  CDA36965  Amsinckia menziesii var. menziesii CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD77512  Anagallis minima Robert E. Preston 2002-4-26 1786 Placer Ca. 2.7 mi s of Lincoln, in field w of Industrial Ave 36 Comment
  UC1019764  Andropogon glomeratus var. pumilus R. P. Celarier 1953-9-24 A- 2601 -I Placer Comment
  CAS-BOT-BC137794  Andropogon virginicus var. virginicus Beecher Crampton 1955-5-7 3999 Placer Roadbank, along US Highway 40, about 3 miles east of Auburn. Comment
  CAS-BOT-BC128576  Androsace occidentalis Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  CAS-BOT-BC128625  Androsace occidentalis Marcus E. Jones 1884-9-29 s.n. Placer Emigrant Gap Comment
  UCR233459  Angelica George K. Helmkamp, E. A. Helmkamp 2011-8-26 18181 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  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
  HSC71426  Angelica breweri J. M. DiTomaso 1980-9-7 1976 Placer Lake Tahoe, 3 mi W of Tahoe City on Hwy 89 1890 Comment
  SEINET11079622  Angelica breweri P. B. Kennedy, S. B. Doten 1901-8-15 298 Placer Talbot's Home Camp, 7 miles from French Meadows. Comment
  CAS-BOT-BC63973  Antennaria argentea C. F. Sonne 1886-7-4 162 Placer On Truckee River 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
  JEPS126323  Antennaria dimorpha Steve Matson 2001-5-28 485 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; due south of Highway 267. Comment
  JEPS59459  Antennaria rosea Ezra Brainerd and Viola B. Baird 1915-7-7 194 Placer (right handfork of <illegible>) Squaw Valley; Sierra Nevada Mts., Squaw Valley 2011 Comment
  CAS-BOT-BC84756  Antennaria rosea subsp. rosea John H. and Hazelle A. Thomas 1956-7-21 6163 Placer Vicinity of Donner Pass 2377 Comment
  SACT000334  Anthoxanthum odoratum Michael Baad 1983-5-5 Placer One mikle south of Placer Hills Road , on Milk Ranch Road, 2 miles west of Colfax, open hillside, north-facing slope. 609.6 Comment
  CDA36877  Aphanes occidentalis CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  JEPS126310  Apocynum androsaemifolium Steve Matson Aug, 1997 96 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. Comment
  UCR146675  Apocynum androsaemifolium subsp. pumilum Beecher Crampton 1955-6-15 2925 Placer Sierra Nevada Mountains, 10.5 wiles west of Forest Hill 488 Comment
  UCR216027  Apocynum cannabinum George K. Helmkamp, Amy Barnes 2009-7-12 15190 Placer Sierra Nevada Mountains Foothills, along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  CAS-BOT-BC334224  Aquilegia formosa George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19797 Placer Northern Sierra Nevada Mountains: Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  SCFS1048  Aquilegia formosa E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  SEINET4560765  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2010-1 16651 Placer Northern Sierra Nevada Mountains; Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill. 1384 Comment
  UCD22175  Aquilegia formosa Beth Lowe Corbin 1982-8-23 402 Placer 2 1/4 miles WSW of The Cedars. N facing slope, 30% incline. Partial sun. Occasional. Along drainage way in logged white fir forest. Sepals scarlet, petals yellow. 1981 Comment
  SEINET3245989  Arabidopsis thaliana G. K. Helmkamp, E. A. Helmkamp 2010-1 15929 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 48 Comment
  UC10152  Arabis divaricarpa J. Burtt Davy 1897-6 3247 Placer near Deer Park Inn; Truckee River Basin Comment
  CHSC32005  Arceuthobium americanum L. Ahart 1972-6-28 132 Placer French Meadows. 1524 Comment
  UC1085346  Arceuthobium americanum Job Kuijt 1957-5-18 1332 Placer 3.5 mi n Tahoe City (on Hwy 89) 1798 Comment
  CAS-BOT-BC409995  Arceuthobium campylopodum Lowell Ahart 1972-6-28 s.n. Placer French Meadows 1524 Comment
  JEPS73011  Arceuthobium campylopodum Gladys L. Smith and Robie Wilson 1972-7-2 3284 Placer Tahoe City 1920 Comment
  CAS-BOT-BC409996  Arceuthobium campylopodum Catherine Best 1985-9-15 1151 Placer edge of Sugar Pine Reservoir, about 6 miles N of Foresthill 1158 Comment
  UC191532  Arceuthobium campylopodum C. F. Sonne 1889-7-9 Placer near Lake Tahoe Comment
  UCR241358  Arctostaphylos manzanita George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19817 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  UCR171353  Arctostaphylos manzanita subsp. manzanita George K. Helmkamp, E. A. Helmkamp 2005-10-1 9991 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
  POM286039  Arctostaphylos nevadensis Lyman Benson 1933-6-26 4539 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  UC412748  Arctostaphylos nevadensis W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Cascade Mts. Vicinity of Lake Tahoe 1897 Comment
  CAS-BOT-BC42145  Arctostaphylos patula Olga Reifschneider 1955-5-29 s.n. Placer Martis Peak Road, Hirschdale, 9 miles east of Truckee 2133 Comment
  CAS-BOT-BC42150  Arctostaphylos patula Mary P. Wells 1980-9-12 s.n. Placer Sierra Nevada - forest west of Pioneer Way, Tahoe City 1981 Comment
  OBI20020  Arctostaphylos patula David J. Keil 1978-7-23 12940 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  RSA257024  Arctostaphylos patula Gary D. Wallace 1974-12-27 1373 Placer Near Lake Tahoe on the outskirts of Homewood. 1905 Comment
  SBBG5464  Arctostaphylos patula E. R. Blakley 1960-8-30 3795 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UC82952  Arctostaphylos patula Katharine Brandegee 1889-7-1 Placer Blue Canyon Comment
  UCD15603  Arctostaphylos patula Lisa Montany 1985-5-18 19 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  UCR23089  Arctostaphylos patula Susanne M. James 1980-4-22 112 Placer Hwy 267, 1.2 mi E Brockway Summitt 2134 Comment
  SEINET11985835  Arctostaphylos patula K. S. Erdman 1966-1 3543 Placer along I-80 near Emigrant Gap, Sierra Nevada Mts 1524 Comment
  UCD52188  Arctostaphylos viscida Beecher Crampton 1955-6-15 2904 Placer Yellow pine forest, Yankee Jim, Placer County. 807 Comment
  CDA16975  Arctostaphylos viscida subsp. viscida G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16028 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  POM212065  Arctostaphylos viscida subsp. viscida C. B. Wolf 1930-10-11 1733 Placer Near Alta. 1128 Comment
  RSA252141  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer 1 mi W. of Colfax. 659 Comment
  UC193056  Arctostaphylos viscida subsp. viscida C. F. Sonne Feb. 1885 Placer Gold Run Comment
  RSA480532  Arenaria congesta A. Kellogg 1870-06 s.n. Placer Cisco. Comment
  CDA15941  Arenaria congesta var. congesta G. F. Hrusa, J. Glazner 1999-7-17 15149 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD37738  Aristida oligantha Beecher Crampton 1961-9-27 5995 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. Comment
  CAS-BOT-BC82200  Arnica chamissonis Marguerite Wells; Nell E. Flattery 1980-9-1 s.n. Placer Pioneer Way, Tahoe City Comment
  CAS-BOT-BC82321  Arnica cordifolia Alice Eastwood 1912-6-15 450 Placer Tahoe City, Lake Tahoe Region 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
  POM53360  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer On road to Lake Tahoe. Comment
  UCD69355  Arnica dealbata S. Rivas; M. Barbour, D. S. Mata, P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. 2100 Comment
  UC112836  Arnica dealbata Katharine Brandegee July 1908 Placer near junction of Blue Canyon and Emigrant Roads Comment
  CAS-BOT-BC82653  Arnica latifolia Alice Eastwood 1909-1 276 Placer Ward Pass, Lake Tahoe Region Comment
  UCD42806  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 172 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43098  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 466 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC197325  Arnica nevadensis C. F. Sonne 1897-7-1 Placer Mt. Anderson (e slope) Sierra Nevada Mountains 2438 Comment
  SEINET11837497  Arnica nevadensis C. F. Sonne 1885-1 s.n. Placer Anderson's Peak. Trukee Knob Comment
  POM51123  Arnica parryi subsp. sonnei C. F. Sonne 1886-07 s.n. Placer Woods on Truckee River Comment
  CDA15949  Artemisia arbuscula G. F. Hrusa, J. Glazner 1999-7-17 15135 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA122487  Artemisia arbuscula subsp. arbuscula B. Bolt 1934-8-23 197 -241 Placer Divide between Picayune and Grayhorse. 2439 Comment
  CAS-BOT-BC85015  Artemisia arbuscula subsp. arbuscula C. F. Sonne 1886-8-15 372 Placer Mt. Topi S. of summit Comment
  JEPS126341  Artemisia cana subsp. bolanderi Steve Matson 1997-9-27 181 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south of Highway 267 near Martis Creek. Comment
  JEPS126330  Artemisia douglasiana Steve Matson 2003-6-29 818 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards north of Highway 267 and along west side of Martis Creek. Comment
  UCD21691  Artemisia douglasiana Rex Palmer Date Unknown N 888 Placer Headwaters basin area of the North Fork of the American River Comment
  UC128211  Artemisia douglasiana Miss Harriet A. Walker 1397 Placer near Yuba River (Cisco) 1524 Comment
  UC193588  Artemisia dracunculus C. F. Sonne 1884-9-14 Placer road to Tahoe Comment
  CAS-BOT-BC90714  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer Base of a cliff north of Summit hotel 2164 Comment
  UC1119428  Artemisia rothrockii N. French 1934-6-22 462 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  UC193453  Artemisia spiciformis C. F. Sonne 1888-9-9 Placer on Truckee River; Bear Valley Comment
  UCD21696  Artemisia tridentata Beth Lowe Corbin 1982-8-24 412 Placer 2 1/4 miles south of The Cedars. In fine, sandy, rocky soil. Open Red Fir forest. Shrub to 2' high. Flowers yellow. Foliage aromatic. Mostly sun. NW facing slope, 40% incline. Commmon. 2164 Comment
  SACT000351  Arundo donax Josephine Van Ess 1976-8-4 Placer .25 mile below juction on rattlesnake road. moist roadside. 170.7 Comment
  SACT000350  Arundo donax var. donax D. Meyer 1984-6-23 Placer Intersection Of Iowa Hill Rd and the American River, rocky river bank. 352.0 Comment
  UC1123502  Asclepias cordifolia N. French 1934-5-29 379 Placer Emigrant Gap Tahoe National Forest, Colfax Quadrangle Comment
  CDA16998  Aspidotis densa G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16051 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC74191  Aster alpigenus var. andersonii Susi Urie 1998-9-2 98 218 B Placer Lake Tahoe Basin Management Unit - National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCR201892  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2008-8-20 14025 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 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
  UCR206574  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15201 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  SCFS1172  Asteraceae E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Road at Chickering. Comment
  CDA26606  Astragalus austiniae Jim Jokerst 1986-7-13 2732 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, just below the summit of Needle Peak. 0 Comment
  CHSC67651  Astragalus austiniae James D. Jokerst 1986-7-13 2732 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  UC197202  Astragalus austiniae C. F. Sonne 1897-7-18 Placer Tinker's Knob 2743 Comment
  UC1563717  Astragalus gambelianus Barbara Ertter with David Thompson 1989-4-8 8160 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
  CAS-BOT-BC200880  Astragalus whitneyi var. lenophyllus John Thomas Howell 1943-7-21 18672 Placer Mt. Lincoln Comment
  UCD38680  Asyneuma prenanthoides Beecher Crampton 1956-7-17 3730 Placer Blue Canyon. 1432 Comment
  SEINET11711178  Athyrium alpestre var. americanum C. F. Sonne 1885-1 s.n. Placer E slope of Andersons Peak, Sierra Nevada Mts 2896 Comment
  UC197899  Athyrium distentifolium var. americanum C. F. Sonne Aug. 1887 Placer above Coldstream Mt Anderson Comment
  CDA16051  Athyrium filix-femina G. F. Hrusa, J. Glazner 2000-9-3 15669 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  RSA692528  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1953-1 4943 Placer [no locality information provided] Comment
  UCD136286  Athyrium filix-femina var. californicum F. A. MacFadden 1934-7-1 s.n. Placer Canyon Creek, Monte Vista Inn. Comment
  CHSC10695  Athyrium filix-femina var. cyclosorum Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  SEINET11193207  Athysanus pusillus F. Martin 1962-3-16 74 Placer Above the North Fork Yuba River, 2 miles E of Auburn. 274 Comment
  UC1130893  Avena barbata N. French, R. Clar 1933-6-5 68 Placer Middle Fork American River Sacramento Quadrangle Comment
  RSA43812  Balsamorhiza deltoidea D. F. Howe 1948-5-23 s.n. Placer American River 305 Comment
  SDSU6483  Balsamorhiza deltoidea D. F. Howe 1948-5-23 1859 Placer American River. 305 Comment
  CAS-BOT-BC100071  Balsamorhiza macrolepis B. Crampton 1957-5-7 3983 Placer Uncultivated strip along the railroad and US Hwy. 99E, 3.2 miles north of Roseville Comment
  UC472196  Balsamorhiza macrolepis Francis Ramaley 1917-4-15 11109 Placer Lincoln Comment
  CAS-BOT-BC100092  Balsamorhiza sagittata Alice Eastwood 1912-6-15 363 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC100093  Balsamorhiza sagittata Alice Eastwood 1909-1 262 Placer Deer Park Comment
  UCD21699  Balsamorhiza sagittata Rex Palmer 1979-6-9 N 160 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC72870  Barbarea orthoceras L. P. Janeway; Eric Schroder 1998-7-13 5758 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC96575  Bellardia trixago L. P. Janeway 2006-5-10 8594 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. 43 Comment
  UC1126293  Berberis aquifolium var. repens J. E. Sowder and R. W. Lundh 1933-4-26 37 Placer ne Colfax Hill (near camp); Colfax Quadrangle Comment
  UCD40287  Bidens frondosa Rodney Gale Myatt 1972-6-1 1687 Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  HSC82610  Blennosperma nanum var. nanum Thomas W. Nelson, Jane P. Nelson 1979-4-11 4601 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UC30586  Blennosperma nanum var. nanum unknown 1865-4-13 4565 Placer Newcastle Comment
  SEINET4176258  Boechera J. Halderman 2007-9-18 s.n. Placer Sierra Nevada, north-facing slope of Lookout Mountain at Northstar Ski Area 2346 Comment
  CAS-BOT-BC16272  Boechera howellii John F. Emmel 1971-7-11 377 Placer 0.3 air mile east of east side of Lake Mary, between Donner Pass and Mount Judah. 2286 Comment
  CAS-BOT-BC14251  Boechera pinetorum John Thomas Howell 1943-7-25 18816 Placer West side of Donner Pass near Norden. 2133 Comment
  CHSC10542  Boechera platysperma Lowell Ahart 1962-7-13 Placer Ahart Camp, French Meadows. 1706 Comment
  JEPS72282  Boechera platysperma Gladys L. Smith and Betsy Wilson 1972-4-27 3132 Placer Ward Peak summit area Ward Peak 2632 Comment
  UCD22333  Boechera platysperma Beth Lowe Corbin 1982-8-4 242 Placer 1 1/2 mile N of Onion Creek Campground. E facing slope, 50% inclination. Unocommon. Full sun. In rocky and fine, sandy, granitic soil of loose talus slope in white fir forest. 2255 Comment
  CHSC98394  Boechera rectissima Dean Wm. Taylor 2005-7-15 19410 Placer Martis Peak; saddle 0.5 air miles E of the summit along Murphys Meadow Road. 2560 Comment
  JEPS72036  Boechera rectissima Gladys L. Smith 1972-6-20 3208 Placer Ward Peak, about terminus of Summit chairlift Ward Peak 2621 Comment
  CAS-BOT-BC17214  Boechera rigidissima Arnold Tiehm 1974-8-8 524 Placer Sierra Nevada. Juniper Creek. 2407 Comment
  UCD33745  Bolboschoenus maritimus subsp. paludosus Beecher Crampton 1972-7-26 8858 Placer ca. 1 mile west of Cisco Grove on Interstate 80. 1676 Comment
  CHSC11101  Boykinia major Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  UC1127175  Boykinia major N. French 1934-7-7 498 Placer Texas Hill; Tahoe National Forest, Colfax Quad., Texas Hill Comment
  CAS-BOT-BC417619  Boykinia major L. S. Smith 1927-8-5 2141 Placer Robertson Flat, R.S. Forest Hill Dist. Comment
  CAS-BOT-BC418413  Boykinia occidentalis F. A. Mac Fadden 1934-7-1 12581 Placer Canyon Creek, Monte Vista Comment
  POM92048  Boykinia occidentalis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  SBBG44972  Briza minor C. L. Hitchcock 1940-5-14 6389 Placer Meier Ranch, ca. 6 mi N of Colfax 762 Comment
  UCD77140  Brodiaea appendiculata Robert E. Preston 2004-4-25 2221 Placer Ca. 5 mi NW of Roseville, along Fiddyment Rd 32 Comment
  CAS-BOT-BC482161  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  RSA670102  Brodiaea coronaria Juanita Bacey 1998-5-9 5 Placer Roseville. 0.5 miles SW of intersection of Hwy 65 and Stanford Ranch Road. 69 Comment
  SEINET9364702  Brodiaea elegans Unknown 2010-6-26 16372 Placer Sierra Nevada Mountains Foothills Comment
  RSA785457  Brodiaea elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2010-6-26 16372 Placer junction of Canyon Way and Yankee Jim s Road, east of I-80 between Weimar and Colfax 616 Comment
  RSA752668  Brodiaea minor George K. Helmkamp, E. A. Helmkamp 2008-4-17 13284 Placer Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  SBBG57625  Brodiaea purdyi M. N. Ackley -Jun-1925 627 Placer Applegate 614 Comment
  CDA39460  Brodiaea purdyi G. M. Cole 1928-5-2 s.n. Placer Near Auburn. 0 Comment
  SEINET2473481 Image available Bromus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-1 16435 Placer Sierra Nevada Mountains Foothills; Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 410 Comment
  SACT000483  Bromus arenarius Michael Baad 1977-6-8 Placer 1570.6 Comment
  SACT000387  Bromus carinatus D. Meyer 1984-7-8 Placer very moist streambank, beneath bridge. 1440.0 Comment
  SACT000388  Bromus carinatus Michael Baad 1983-6-26 Placer 2.2 miles southeast, near Michigan Bluff Road. 1158.24 Comment
  SACT000516  Bromus carinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT000517  Bromus carinatus 1983-8-7 Placer near gate into ski area parking lot, moist meadow with many sedges 2072.0 Comment
  JEPS127502  Bromus carinatus var. carinatus Steve Matson 1997-7-5 37 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  JEPS75156  Bromus carinatus var. carinatus Gladys L. Smith 1972-6-20 3262 Placer from Ward Peak Summit to Sherwood Forest 2590 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
  UCD22243  Bromus carinatus var. carinatus Rex Palmer 1979-7-12 N 640 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC148721  Bromus carinatus var. marginatus Beecher Crampton 1985-6-23 9998 Placer North Shore Lake Tahoe, Stateline Road. Comment
  CHSC68069  Bromus carinatus var. marginatus James D. Jokerst 1986-7-12 2684 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, on N side of river. Comment
  UCD59160  Bromus carinatus var. marginatus R. L. Pendleton 1907-7-25 1195 Placer Lake Tahoe Region. Near Modjeska Falls. 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
  SD44646  Bromus commutatus D. F. Howe 1951-5-1 Placer Placer County 456 Comment
  UCR173174  Bromus diandrus George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10129 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  CAS-BOT-BC155060  Bromus hordeaceus A. A. Beetle 1941-5-26 2712 Placer Near Cisco. 914 Comment
  JEPS113245  Bromus hordeaceus Lowell Ahart, Brian Williams 2007-4-13 13661 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
  UCR238586  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18665 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing 258 Comment
  UCR258398  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-3-21 22632 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  CAS-BOT-BC155064  Bromus hordeaceus Peter H. Raven 1954-4-16 6606 Placer 7 miles south of Lincoln on road to Roseville. Comment
  SACT000563  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-7-3 Placer 5.4 miles north of Foresthill Road 1234.44 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
  SACT000694  Bromus marginatus D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT000700  Bromus marginatus D. Meyer 1983-8-7 Placer east bank 1879.0 Comment
  SACT000701  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  SACT000584  Bromus mollis D. Meyer 1983-5-15 Placer moist roadside ditch, next to cultivated field 19.812 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
  HSC11184  Bromus orcuttianus A. S. Hitchcock 1913-7-15 863 Placer Trukee Comment
  SBBG22673  Bromus orcuttianus M. S. Walters 1960-6-21 Placer Hwy 89, 0.3 mi S of Truckee River Bridge at Tahoe City Comment
  SBBG22674  Bromus orcuttianus M. S. Walters 1960-6-22 Placer Hwy 28 at Brockway, Lake Tahoe Comment
  UC1131101  Bromus orcuttianus H. S. Yates 1936-8-8 5981 Placer near Meeks Bay 1920 Comment
  UCD34880  Bromus orcuttianus Beecher Crampton 1964-7-9 7107 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  SEINET10523808  Bromus rigidus Alan A. Beetle 1941-5-26 Beetle 2718 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Festuca pacifica, megalura, Stipa lemmoni. 914 Comment
  SACT000720  Bromus rubens Josephine Van Ess 1976-4-14 Placer Collected on railroad embankment; dry slope 152.4 Comment
  OBI20099  Bromus sitchensis David J. Keil 1978-7-23 12948 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  SACT000759  Bromus suksdorfii D. Meyer 1983-7-30 Placer 2072.64 Comment
  SACT000766  Bromus tectorum Michael Baad 1983-5-5 Placer 1.2 miles southeast of Canyon Way descending to North Fork of the American River 548.64 Comment
  SACT000767  Bromus tectorum Michael Baad 1983-5-5 Placer Ciolfax, 1 mile north of Placer Hills Road. Open hillside north-facing slope. 609.6 Comment
  SACT000768  Bromus tectorum Michael Baad 1977-6-8 Placer Forest Hill and French Meadows roadside in serpentine and chaparral community Comment
  SACT000785  Bromus tectorum Josephine Van Ess 1976-8-6 Placer 1/8 mile north of Seven Cedars Road Comment
  UC1131291  Bromus tectorum G. T. Nordstrom 1934-6-21 142 Placer 3/4 mi w of Mammoth Spring (Tahoe National Forest); Tahoe National Forest 1676 Comment
  CAS-BOT-BC18161  Bulbostylis capillaris G. L. Stebbins 1977-7-9 7766 Placer Along trail from McKinistry Lake to Rubicon River. 1706 Comment
  CHSC73114  Calamagrostis canadensis L. P. Janeway 1998-8-6 5995 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC73939  Callitriche verna Susi Urie 1998-8-19 98 -087 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SEINET3863172 Image available Calocedrus decurrens D. Bortner 1973-6-2 123 Placer Two miles east of Foresthill, off Auburn-Foresthill Rd.; 0 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
  UCD164643  Calochortus albus Brandi Sorensen 1995-5-12 7 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UCR235615  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18912 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  CDA39303  Calochortus albus A. Drieth 1960-4-15 3963 Placer Near Newcastle. 0 Comment
  SEINET8194062  Calochortus albus A. Beninghoff 1930-4-19 2045 Placer 10 miles E of Lincoln. Comment
  CAS-BOT-BC487807  Calochortus coeruleus Saichi Kawahara 1969-5-24 880 Placer Mineshaft, east of old cabin, Mel Henderson Ranch, Indian Creek 1002 Comment
  UCD22048  Calochortus leichtlinii Beth Lowe Corbin 1982-8-4 233 Placer 1 1/8 miles NNW of Onion Creek Campground. 2194 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
  UC3403  Calochortus leichtlinii Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC490536  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi. no. of Lincoln 45 Comment
  CAS-BOT-BC483467  Calochortus minimus E. A. McGregor 1909-8-18 163 Placer Desolation Valley, Lake Tahoe region 2286 Comment
  SEINET4169894  Calochortus monophyllus L. Constance, J. L. Morrison 1938-4-30 2172 Placer At east edge of Applegate, Sierra Nevada Foothills 610 Comment
  UCR235591  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18926 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  SEINET3364434 Image available Calochortus nudus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap Comment
  RSA0000324  Calochortus nuttallii var. subalpinus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC465569  Caltha biflora Katharine Brandegee Placer Alta Comment
  CAS-BOT-BC270651  Calycadenia multiglandulosa David D. Keck 1932-7-1 1590 Placer 2 miles N of Auburn 425 Comment
  SEINET3245944  Calycadenia multiglandulosa G. K. Helmkamp, E. A. Helmkamp 2010-1 16368 Placer Sierra Nevada Mountain Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax (Colfax 7.5') 616 Comment
  UC912594  Calycadenia multiglandulosa H. L. Mason 1929-10-4 5455 Placer 2.4 mi below Weimar Comment
  UCR51761  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer Weimar Post Office 686 Comment
  RSA6259  Calycadenia multiglandulosa subsp. bicolor D. D. Keck 1932-6-30 1588 Placer 0.3 miles north of Weimar P. O.; Sierra Nevada. 686 Comment
  UC89091 Image available Calycadenia truncata Mrs. Parry 1900-8-21 Placer Roseville Comment
  UCD100347  Calyptridium monospermum Eric Brenner; John Hunter 1996-5-26 023 Placer Tahoe National Forest, Mosquito Ridge Rd. 1080 Comment
  UCR47682  Calyptridium monospermum M. -H. Sachet 1957-8-31 301 Placer Along road from Echo Summit to Placerville 1677 Comment
  JEPS126257  Calyptridium umbellatum Steve Matson 1998-6-24 292 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; middle fork of Snow Creek; north of Golf Course. Comment
  UC452683  Calyptridium umbellatum Katharine Brandegee 1889-1 Placer Summit of Placer Placer Comment
  JEPS31616  Calystegia occidentalis subsp. occidentalis Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET10880650 Image available Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff; K. Van Zuuk; Barbara J. Ertter 2012-6-12 Brummitt 22047 Placer Tahoe National Forest, 3 mi NE of Foresthill, on Western States Trail, ca. 1 mi from Michigan Bluff Road. 1091 Comment
  UC1965406  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22051 Placer Tahoe National Forest, 8.2 miles NE of Forest Hill, on Sugar Pine Road 4.4 miles from Forest Hill Divide Road Comment
  RSA750421  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2008-9-15 14114 Placer along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  SEINET10463032  Campanula prenanthoides Carpenter Carpenter s.n. Placer Comment
  SEINET10463082  Campanula prenanthoides Jones 1900-7-26 Jones s.n. Placer BLUE CANYON 4800 Comment
  SEINET10905905  Campanula prenanthoides Hardy 1893-1 HARDY s.n. Placer Comment
  SEINET10972399  Campanula prenanthoides Jones 1900-7-26 Jones s.n. Placer Blue Canyon 1463 Comment
  CAS-BOT-BC37257  Cardamine breweri Arnold Tiehm 1974-8-8 519 Placer Sierra Nevada. Murphy's Meadow. 2407 Comment
  CDA12399  Cardamine breweri G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8527 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD44012  Cardamine breweri var. breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1378 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD22363  Cardamine cordifolia Beth Lowe Corbin 1982-8-19 381 Placer 1 3/4 miles SSW of The Cedars. Partial sun. Common. NE facing slope, 25% incline. In shallow stream in logged whtie fir forest. Flowers white. 1950 Comment
  CAS-BOT-BC471266  Cardamine cordifolia Arnold Tiehm 1974-8-8 525 Placer Sierra Nevada. Juniper Creek 2194 Comment
  CHSC74076  Cardamine cordifolia var. lyallii Susi Urie 1998-8-13 98 -037 Placer Lake Tahoe Basin-National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CDA19544  Cardamine hirsuta M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 225 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
  SEINET5341059  Cardamine integrifolia B. Rice 1941-3-10 s.n. Placer Near Colfax. Comment
  CAS-BOT-BC259177  Cardamine pensylvanica George K. Helmkamp; E. A. Helmkamp 2012-2-23 18576 Placer Eastern edge Sacramento Valley: Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  CAS-BOT-BC281744  Carduus pycnocephalus Chester Dudley 1940-6-1 s.n. Placer Near Placerville Comment
  CDA36752  Carduus pycnocephalus D. B. Joley 1976-4-21 9 Placer Loomis; northwest of Sierra College Blvd. and Del Mar Ave. 0 Comment
  CDA11985  Carex G. F. Hrusa 1995-5-2 12166 Placer Sierra Nevada; Approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CHSC92614  Carex G. F. Hrusa; J. Glazner 1999-7-18 15204 Placer Northern California. Lake Tahoe Region. Slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Adjacent to Squaw Valley Rd. In bottom of depression. UTM: 10S, 43434 N, 07418 E. 1889 Comment
  UCD42895  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 263 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44521  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1887 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC18025  Carex athrostachya R. F. Hoover 1967-9-5 10839 Placer Carnelian Bay, Lake Tahoe. Comment
  CDA25007  Carex athrostachya J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  CHSC74447  Carex athrostachya Susi Urie 1998-9-4 98 -257 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CHSC75311  Carex athrostachya Susi Urie 1998-8-29 98 -159 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  SEINET7550690 Image available Carex athrostachya Unknown 2003-8-23 7967 Placer Northern High Sierra Nevada. Along Barker Creek just upstream from confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. Homewood 7.5' quad. 2106 Comment
  UCD43227  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 596 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43369  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 737 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC19062  Carex aurea Alice Eastwood 1912-6-15 473 Placer Lake Tahoe Region. Tahoe City. Comment
  JEPS109406  Carex davyi D. W. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada State Line in the headwaters of Juniper Creek. Comment
  CAS-BOT-BC34448  Carex deflexa var. boottii Marcus E. Jones 1882-6-30 3307 Placer Emigrant Gap. Comment
  CHSC85711  Carex douglasii G. F. Hrusa; J. Glazner 1999-7-17 15176 Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC20582  Carex douglasii W. R. Dudley 1893-6-7 s.n. Placer By railroad west of Truckee. Comment
  CAS-BOT-BC20108  Carex feta Saichi Kawahara 1969-7-6 1430 Placer East bank of Indian Creek, Mel Henderson Ranch. Swing near old cabin. 999 Comment
  SEINET3143641  Carex feta L. S. Rose 1939-6-5 39218 Placer Bear Valley near Emigrant Gap 1372 Comment
  CAS-BOT-BC20168  Carex filifolia var. erostrata Marcus E. Jones 1882-6-18 s.n. Placer Emigrant Gap. Comment
  POM81878  Carex fissuricola Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  CHSC68058  Carex integra James D. Jokerst 1986-7-12 2692 B Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  UC826295  Carex integra Lewis S. Rose 1939-6-5 39216 Placer meadow near Emigrant Gap; Bear Valley 1371 Comment
  CAS-BOT-BC35502  Carex jonesii Alice Eastwood 1912-6-15 472 Placer Tahoe City, Lake Tahoe Region Comment
  UC830176  Carex jonesii Alice Eastwood Jun 15 1912-Jun 19 1912 472 Placer Tahoe City Lake Tahoe Region Comment
  UCD75965  Carex jonesii Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5244 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  UCD44699  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2065 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC32454  Carex luzulifolia var. strobilantha Amos Arthur Heller 1903-8-17 7187 Placer Above Donner Pass 2286 Comment
  UCD44547  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1913 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD42801  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 167 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43339  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 707 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43382  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 750 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC32060  Carex multicaulis Clare B. Hardham 1961-6-14 7349 Placer Route 40, near Baxter. Comment
  UC1256292  Carex multicaulis R. K. Gierisch 1969-7-11 3524 Placer Big Bend Tahoe Forest Comment
  CAS-BOT-BC32274  Carex multicostata J. H. Thomas; H. A. Thomas 1956-7-21 6173 Placer Sierra Nevada. Donner Pass ca. 80 mi NE of Sacramento. 2377 Comment
  UCD42874  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 241 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD74095  Carex multicostata Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 186 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2275 Comment
  UCD75690  Carex multicostata Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5139 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
  UCR257626  Carex multicostata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19526 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
  SD480  Carex nebrascensis Jun 1915 73 Placer Donner. Comment
  UCR240966  Carex nebrascensis George K. Helmkamp, E. A. Helmkamp 2012-9-25 19918 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  UC826669  Carex pellita Lewis S. Rose 1937-7-29 37613 Placer Tahoe Vista 1905 Comment
  UCD43923  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1289 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD43250  Carex praegracilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 619 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS73176  Carex proposita Gladys L. Smith 1972-8-25 3417 Placer se-facing slope of Granite Chief Granite Chief 2621 Comment
  SEINET7575126 Image available Carex senta Alice Eastwood, John Thomas Howell 1937-5-8 4362 Placer Between Newcastle and Penryn. Comment
  CHSC74308  Carex simulata Susi Urie; Eric Schroder 1998-9-11 98 -347 Placer Lake Tahoe Basin Management Unit. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC117697  Carex simulata John Thomas Howell 1938-8-2 13999 Placer 5 mi N of Brockway Comment
  RSA20148  Carex stipata Alice Eastwood, John Thomas Howell 1937-5-8 4361 Placer Between Newcastle and Penryn. 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
  SEINET8121929 Image available Carex straminiformis A. A. Heller 1917-8-14 12927 Placer Mount Lincoln S of Summit Valley Comment
  CDA15927  Carex subfusca G. F. Hrusa, J. Glazner 1999-7-17 15178 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC85755  Carex subfusca G. F. Hrusa; J. Glazner 1999-7-17 15178 Placer Martis Valley. Off Hwy 267, s of Truckee. 1889 Comment
  JEPS63521  Carex subfusca W. L. Jepson 1934-8-7 16880 Placer bank of Truckee River near Squaw Valley; Truckee River Comment
  SEINET4286147 Image available Carex subfusca K. Chung, Matson, S 2009-1 1071 Placer Lake Tahoe, north side. Comment
  UC1729954  Carex subfusca L. P. Janeway, Eric Schroder 1998-9-16 6337 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek); Homewood Quadrangle 2124 Comment
  UCD42867  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 234 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD162538  Carex utriculata Steve Matson 2000-6-21 433 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, 200 meters south of Parking lot, along stream. 1780 Comment
  UCD43959  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1325 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44576  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1942 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC74316  Carex vesicaria Susi Urie 1998-9-4 98 -263 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC114932  Carex whitneyi Lewis Samuel Rose 1944-7-10 44051 Placer Chambers Lidge, Lake Tahoe. 1920 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
  UC1133488  Carex whitneyi N. French 1934-7-21 432 Placer nw end Kid Lake; Tahoe National Forest, Truckee Quadrangle Comment
  SACT002856  Castanopsis sempervirens Josephine Van Ess 1980-7-23 Placer Grove of Sierra Redwoods. Collected along nature trail in park. Low shrub. Open area in forest. Comment
  SACT002857  Castanopsis sempervirens Michael Baad 1977-6-2 Placer Collected on trailhead descending to North Fork of American River from south. 2 km northeast of westville and north of Forest Hill Divide Road. 853.0 Comment
  CAS-BOT-BC248951  Castilleja Lewis S. Rose 1944-7-10 44050 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CAS-BOT-BC248978  Castilleja Saichi Kawahara 1969-5-24 829 Placer Overlooking north fork of the American River. On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  SCFS1220  Castilleja E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top Meadow. Comment
  UCD21859  Castilleja Rex Palmer 1979-7-12 N 616 Placer Exact location unknown. Comment
  UCD21862  Castilleja Rex Palmer 1979-6-20 N 341 Placer Exact location unknown. Comment
  UCR194698  Castilleja affinis subsp. affinis George K. Helmkamp, E. A. Helmkamp 2007-5-30 12201 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  CAS-BOT-BC249698  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-6-15 359 Placer Deer Park, Lake Tahoe Region Comment
  JEPS73657  Castilleja applegatei subsp. pinetorum L. R. Heckard with G. L. Stebbins 1973-6-18 3445 Placer about 2.5 road mi e Forest Hill (high above (n of) Middle Fork American River) 762 Comment
  RSA463234  Castilleja applegatei subsp. pinetorum J. H. Nishida 1985-7-10 771 Placer Homewood. 1829 Comment
  RSA518676  Castilleja applegatei subsp. pinetorum L. R. Heckard, G. Ledyard Stebbins 1973-6-18 3445 Placer High above (north) of Middle Fork American River, about 2.5 road miles east of Forest Hill. 762 Comment
  JEPS113282  Castilleja attenuata Lowell Ahart, Brian Williams 2007-4-13 13652 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
  JEPS72185  Castilleja lemmonii Gladys L. Smith 1972-6-20 3250 Placer just below Ward Peak Summit 2628 Comment
  UCD162565  Castilleja lemmonii Steve Matson 2004-8-1 1085 Placer nSNH; Tahoe Basin; Blackwood Canyon (west shore), about 1 mile ESE of Barker Pass. 2377 Comment
  SEINET14142515  Castilleja miniata M. J. Williams 1985-7-6 85- 61 -7 Placer Sierra Nevada, N of Lake Mary, near old Donner Summit [road]. 2286 Comment
  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
  UCD75752  Castilleja nana Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5219 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
  UCD21856  Castilleja pilosa Beth Lowe Corbin 1982-8-11 313 Placer 1 1/2 mile WSW of Onion Creek campground. 1935 Comment
  POM42519  Castilleja pruinosa Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  CDA13687  Castilleja tenuis G. F. Hrusa, J. Glazner 1997-8-3 14047 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC82695  Castilleja tenuis Lowell Ahart 2002-7-22 9899 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
  UCD21897  Castilleja tenuis Beth Lowe Corbin 1982-8-5 258 Placer Onion Creek campground. 1841 Comment
  SFV17283  Castilleja tenuis J. H. Nishida 1994-7-3 Placer Sierra Nevada Tahoe City, rocky shore, Blue Water. Comment
  CAS-BOT-BC240285  Ceanothus William Williams 1986-6-15 s.n. Placer Norden. Hill at top of ski lift 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
  CAS-BOT-BC47854  Ceanothus cordulatus Brandegee 1889-7-1 7 Placer Donner Comment
  CAS-BOT-BC47895  Ceanothus cordulatus Frances Price 1919-1-1 s.n. Placer Tahoe Comment
  UC1070972  Ceanothus cordulatus G. T. Nordstrom 1934-6-22 156 Placer 3.5 mi e by se Texas Hill; Colfax quad, Tahoe Nat. For. 1859 Comment
  UCD111389  Ceanothus cordulatus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12055 Placer Northern Sierra Nevada Mountains; along Forest Hill Road, 11.1 miles northeast of Foresthill. 1463 Comment
  UCD22205  Ceanothus cordulatus Rex Palmer 1979-5-26 N 14 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD36708  Ceanothus cordulatus Beecher Crampton 1955-7-13 2991 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SEINET5339240  Ceanothus cordulatus P. A. Lehenbauer 1932-6-26 s.n. Placer Tahoe City Comment
  SACT002915  Ceanothus cuneatus Josephine Van Ess 1975-3-25 Placer Collected at crest of hill near south end of Barton Road. Fruiting. Rocky outcrop. Comment
  UC1071061  Ceanothus cuneatus var. cuneatus H. R. Josephson 1933-7-8 35 Placer Sugar Pine Mt., Smartsville quad. 670 Comment
  UCD111779  Ceanothus cuneatus var. cuneatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-6 s.n. Placer Forest Hill Road between Todd Valley and Forest Hill, near Forest Hill. Tahoe National Forest. 750 Comment
  UCD112105  Ceanothus cuneatus var. cuneatus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11714 Placer Northern Sierra Nevada Mountains; Forest Hill Road at the junction with unnamed road to Lake Clementine. 457 Comment
  CAS-BOT-BC126853  Ceanothus fresnensis G. L. Stebbins 1976-7-6 C 7694 Placer Summit of Bunk Hill 2286 Comment
  UC1070650  Ceanothus fresnensis B. Bolt 1934-7-16 118 Placer 1 1/2 miles SE of Health Springs 2164 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
  CAS-BOT-BC50752  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  CAS-BOT-BC50758  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  CAS-BOT-BC50759  Ceanothus integerrimus H. E. McMinn 1926-5-29 1753 Placer 3.1 mi. east of Crystal Springs Comment
  UC112945  Ceanothus integerrimus Katharine Brandegee 1908-7-17 Placer Blue Canyon Comment
  UCD111955  Ceanothus integerrimus Amelie Blyth 1952-5-11 9 -3 Placer Along Auburn-Forest Hill road, about 14 miles from Forest Hill. Comment
  UCD111963  Ceanothus integerrimus Beecher Crampton 1955-6-15 2859 Placer Bunch Canyon head. Comment
  UCD22211  Ceanothus integerrimus Rex Palmer 1979-6-21 N 394 Placer Headwaters basin area of the North Fork of the American River Comment
  POM86936  Ceanothus integerrimus var. californicus I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  CAS-BOT-BC51037  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1917-6-16 12679 Placer near Dutch Flat 914 Comment
  CAS-BOT-BC63356  Ceanothus prostratus Mary E. Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  CHSC9516  Ceanothus prostratus J. F. Goodwin 1971-7-10 155 Placer Beneath firs by small marshy creek approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  POM153485  Ceanothus prostratus P. A. Munz 1928-6-25 11096 Placer Tahoe Camp, Lake Tahoe Comment
  UCR191062  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 11.1 miles northeast of Foresthill 1463 Comment
  UC1071435  Ceanothus tomentosus B. Bolt 1934-7-4 79 Placer Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle Comment
  CAS-BOT-BC52401  Ceanothus velutinus var. velutinus Sachs 1922-7-1 s.n. Placer Lake Tahoe Comment
  CAS-BOT-BC63179  Ceanothus velutinus var. velutinus Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe. 1889 Comment
  CAS-BOT-BC63180  Ceanothus velutinus var. velutinus J. Clausen 1932-9-15 648 Placer 2 mi. w. of Tahoe Tavern on the Truckee Rd. 1859 Comment
  UCD132722  Centaurea melitensis Denali Beard 2012-6-12 s.n. Placer Auburn State Recreation Area, in Mammoth Bar OHV area. Also observed along edge of Squaw Flat Trail. 500 Comment
  HSC104176  Centaurea solstitialis G. K. Helmkamp, E. A. Helmkamp 2012-10-13 20020 Placer Sacramento Valley: Granite Bay, Folsom Lake; Park Rd, 1.8 mi. N or the east end of Douglas Blvd. 146 Comment
  SEINET4560835  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-1 17023 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's road, 0.5 mile north of Forest Hill road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  RSA703907  Centaurium muehlenbergii C. Rose Broome 1978-8-3 2313 Placer Town of Rough and Ready, next to Penn Valley, 29.5 miles east of Marysville on Ca Highway 20; eight miles west of Grass Valley. Comment
  CAS-BOT-BC288621  Centromadia fitchii David D. Keck 1932-7-1 1592 Placer 2 miles N of Auburn, on Nevada City road 425 Comment
  CAS-BOT-BC222947  Cephalanthus occidentalis Carl B. Wolf 1930-10-11 1734 Placer Along Auburn Ravine, 2 miles below Auburn 365 Comment
  UCR206367  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2009-3-11 14388 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  NY418580  Cerasus kelloggiana M. E. Jones 1882-6-28 2693 Placer Emigrant Gap. Comment
  SEINET7347768  Cercis canadensis H. R. Holbo 1961-3-31 s.n. Placer West fork of the American River 914 Comment
  CAS-BOT-BC207587  Cercis occidentalis Marcus E. Jones 1882-7-4 3572 Placer Colfax Comment
  CAS-BOT-BC136990  Cercocarpus betuloides var. betuloides Mary E. Jump 1939-5-15 s.n. Placer Road to Foresthill 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
  UCD75744  Chaenactis douglasii Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5208 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  CAS-BOT-BC276719  Chaenactis douglasii var. douglasii John Thomas Howell 1925-6-27 1191 Placer Tahoe Tavern, Lake Tahoe 1889 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
  CAS-BOT-BC26223  Chaenactis rubricaulis Harriet Ann Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada, Upper Transition Zone 1970 Comment
  UC466599  Chamaebatia foliolosa W. W. Mackii Apr 1 1904-May 1 1904 Placer Newcastle Comment
  UC859465  Chamaebatia foliolosa Marcus E. Jones, A. M. 1882-6-28 3297 Placer Emigrant Gap Comment
  UCD21993  Chamerion angustifolium Beth Lowe Corbin 1982-8-3 186 Placer Onion Creek campground. In fine, sandy, granitic, rocky soil. Herb 4 1/2' high, simple stem, flowers reddish purple. Full sun. Southwest facing slope. Locally abundant. 1841 Comment
  UCD41248  Cheilanthes gracillima Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1703 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main St. 1066 Comment
  UCD75755  Cheilanthes gracillima Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5223 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
  UCR240949  Chenopodium George K. Helmkamp, E. A. Helmkamp 2012-9-25 19901 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  UCR170318  Chenopodium berlandieri George K. Helmkamp, Elizabeth Helmkamp 2005-9-30 9952 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  JEPS102593  Chenopodium pumilio Lowell Ahart 2001-10-10 9343 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-BC451417  Chimaphila menziesii Belle R. Jackson 1927-6-1 s.n. Placer Dutch Flat Comment
  SEINET11976852  Chimaphila menziesii C. F. Sonne 1878-1 s.n. Placer Truckee Comment
  UC474268  Chimaphila umbellata G. W. Fetters 1929-8-2 Placer Lake Tahoe, Pomin's Comment
  SEINET7220243  Chimaphila umbellata P. Lehenbauer 1929-8-15 2579 Placer Carnelian Bay [North shore of Lake Tahoe] Comment
  UCR218121  Chlorogalum grandiflorum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16394 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SBBG57437  Chlorogalum pomeridianum var. pomeridianum M. N. Ackley -Jun-1925 665 Placer Penryn 191 Comment
  RSA643338  Chondrilla juncea R. D. Goeden, D. W. Ricker 1967-6-9 s.n. Placer Newcastle, on I-80 SW of Auburn 250 Comment
  SD143574  Chondrilla juncea R. D. Goeden, D. W. Ricker 1967-6-9 Placer Sierra Nevada foothills, Newcastle, on Interstate 80 southwest of Auburn 249 Comment
  UCD130412  Chondrilla juncea G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12965 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road 15 miles east of Foresthill. 832 Comment
  CDA36755  Chondrilla juncea D. B. Joley 1970-8-6 20 Placer Loomis Comment
  CDA7384  Chondrilla juncea T. C. Fuller 1967-5-3 15764 Placer Southeast corner of overpass of Interstate 80. Penryn 0 Comment
  CAS-BOT-BC36354  Chrysolepis sempervirens George B. Grant 1906-8-1 7039 Placer About Lake Tahoe 2438 Comment
  UCD21484  Chrysolepis sempervirens Beth Lowe Corbin 1982-8-3 200 Placer Located on hill west of Onion Creek Campground. 1853 Comment
  SEINET8947268  Chrysolepis sempervirens O. Boring s.n. Placer Lake Tahoe Comment
  SEINET7883463 Image available Chrysothamnus nauseosus Lewis S. Rose 1938-1 38258 Placer South Fork of Yuba River, Cisco. Alt. 5300 ft. 1615 Comment
  UCR231867  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17018 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
  CAS-BOT-BC190015  Cinna latifolia H. N. Bolander 1869-6-1 s.n. Placer Bear Valley (Emigrant Gap Site). Comment
  JEPS59281  Cirsium andersonii W. L. Jepson 1918-8-20 8076 Placer Lake Tahoe, Tahoe 1905 Comment
  JEPS126427  Cirsium arvense Steve Matson 2003-9-6 957 Placer nSHN; Truckee River Watershed, 5 air miles west of Tahoe City; Alpine Meadows ski area' base of Kangaroo lift near buildings. Comment
  CDA32835  Cirsium douglasii CDFA Staff Placer Rocklin: Sierra College Blvd. 0 Comment
  CAS-BOT-BC228891  Cistanthe umbellata A. A. Heller 1927-8-16 14448 Placer Near the summit of Donner Pass Comment
  CAS-BOT-BC162649  Clarkia John Thomas Howell; Gordon H. True 1971-5-26 47625 Placer Northern limits of Lincoln 48 Comment
  UCR208555  Clarkia affinis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14670 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UCD104313  Clarkia biloba L. D. Gottlieb 1988-6-29 8837 Placer E of Colfax, on Iowa Hill Road, 1.6 miles E of Canyon Road. Comment
  UCD104314  Clarkia biloba F. A. MacFadden 1934-7-3 s.n. Placer Near Bear River on road from Dutch Flat. Comment
  SD247463  Clarkia biloba subsp. biloba George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20827 Placer Northern Sierra Nevada Mountains Foothills: junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill (Colfax 7.5'Q) 462 Comment
  SEINET3260628 Image available Clarkia biloba subsp. biloba Marcus E. Jones 1882-7-3 3340 Placer Colfax. Comment
  UCD72503  Clarkia biloba subsp. biloba Ellen Dean 2006-5-22 3141 Placer Above north fork of the American River, east of Foresthill Bridge, along Upper Lake Clementine Road nearing the bottom (river end) of the road. 308 Comment
  SEINET3860298  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.; 0 616 Comment
  UCD104325  Clarkia biloba subsp. brandegeeae Ellen Dean 2006-5-22 3140 Placer Above north fork of the American River, east of Foresthill Bridge, along Upper Lake Clementine Road nearing the bottom (river end) of the road. 308 Comment
  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
  UCD104056  Clarkia dudleyana C. Condit 1933-7-15 s.n. Placer County Unknown: Grant's Park. Comment
  CHSC1106  Clarkia purpurea V. Holt 1942-6-12 Placer Near Lincoln. 30 Comment
  UCD71255  Clarkia purpurea Cathleen Chapton 1983-5-28 35 Placer American River Canyon. 213 Comment
  RSA21799  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 Placer Sacramento Valley, 1 mile north of Lincoln 46 Comment
  CAS-BOT-BC163362  Clarkia purpurea subsp. purpurea Lincoln Constance 1941-5-28 2821 Placer Two miles north of Lincoln, Sacramento Valley 60 Comment
  CAS-BOT-BC164735  Clarkia rhomboidea Marcus E. Jones 1882-6-30 2719 Placer Emigrant Gap Comment
  CAS-BOT-BC164736  Clarkia rhomboidea L. S. Smith 1926-5-23 1843 Placer Tahoe National Forest. Colfax Rd. above Bear River 914 Comment
  UC1122463  Clarkia unguiculata N. French, R. Clar 1933-6-5 20 Placer Middle Fork American River Sacramento Quadrangle Comment
  UCD105054  Clarkia unguiculata G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10710 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
Read comments
May 6 2016
  UCD150639  Clarkia xantiana Barbara Rodeheaver 1973-5-27 87 Placer Two miles E intersection Hwy. 49 on Foresthill Rd. 457 Comment
  CAS-BOT-BC451735  Claytonia lanceolata Betty H. Jorgensen 1944-6-24 490 Placer Cascade Lakes, ca. 6 miles sw. of Soda Springs Comment
  CAS-BOT-BC229138  Claytonia parviflora subsp. grandiflora Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4013 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  SEINET5336354  Claytonia parviflora subsp. grandiflora C. Aarstad, Hugh N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River; Mosquito Ridge Road to Grench Meadows. 518 Comment
  UC198907  Claytonia parviflora subsp. parviflora C. F. Sonne Jun 1896 Placer near Truckee Comment
  UC147596  Claytonia rubra subsp. rubra Harriet A. Walker 1908-6-23 1247 Placer Blue Canyon Comment
  UCD15157  Clematis lasiantha Phyllis Adams 1982-4-24 16 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 365 Comment
  UCD95617  Clematis lasiantha M. H. Mills 1996-4-12 139 Placer Placer County, 5830 Walden Lane, Loomis. 180 Comment
  SEINET12087594  Clematis lasiantha Unknown 1937-1 1249 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis, 152 Comment
  UCD21865  Collinsia parviflora Rex Palmer 1979-6-20 N 344 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS59468  Collinsia parviflora Ezra Brainerd and Viola B. Baird 1915-7-10 206 Placer along Deer Park Rd Deer Park Rd; Sierra Nevada Mtns 1889 Comment
  SD237613  Collinsia tinctoria G. K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer Sierra Nevada Mountains Foothills: juncton of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax (Colfax 7.5'Q) 616 Comment
  UC2044602  Collinsia tinctoria George K. Helmkamp with Elizabeth Helmkamp 2013-6-11 20823 Placer Northern Sierra Nevada Mountains Foothills junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill. (Colfax 7.5' Q.) Comment
  RSA780080  Collinsia torreyi Lyman Benson 1933-6-26 4528 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UCD42933  Collinsia torreyi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 302 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR198121  Collinsia torreyi Rex Palmer 1979-6-21 N 370 Placer Sierra Nevada Mtns., Headwaters Basin Area of the North Fork of the American River, Tinker Knob west ridge Comment
  UC138688  Collinsia torreyi var. torreyi C. F. Sonne Aug 1897 Placer canyon above Coldstream (Sierra Nevada Mountains); Sierra Nevada Mountains Comment
  SBBG8974  Collomia grandiflora E. R. Blakley 1960-9-2 804 Placer mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  SCFS1100  Collomia grandiflora E. Krimmel 2013-6-13 Placer NFAm. Cedars full trail. Land of the Lost. Comment
  UCR229543  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2011-7-26 17865 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
  SEINET8729294 Image available Collomia grandiflora Lewis S. Rose 1937-1 37611 Placer Tahoe Vista. 1905 Comment
  SBBG18821  Collomia heterophylla C. B. Hardham 1961-6-14 7359 Placer Baxter, US Hwy 40 Comment
  UCR193599  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-30 12180 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  SEINET3696231 Image available Collomia heterophylla F. A. MacFadden 1934-7-1 12724 Placer Canyen Creek, Dutch Flat. Comment
  UCD43075  Collomia linearis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 443 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC879804  Collomia tinctoria Alice Eastwood Jun 15 1912-Jun 19 1912 459 Placer Tahoe City Lake Tahoe Region Comment
  UCD21980  Collomia tinctoria Beth Lowe Corbin 1982-8-12 334 Placer 1/8 mile NE of Onion Creek campground. 1844 Comment
  UCD74240  Collomia tinctoria Jennifer W. Burt 2005-7-13 120 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. 1980 Comment
  HSC26671  Conyza canadensis Thomas W. Nelson 1972-11-25 707 Placer Beside Del Oro Rd., near Roseville, CA Comment
  UCD20776  Cordylanthus tenuis A. M. Shapiro 2002-9-13 s.n. Placer East of Auburn. Drum Powerhouse Road off Interstate 80. 944 Comment
  UCD21873  Cordylanthus tenuis Beth Lowe Corbin 1982-8-4 211 Placer 1/3 mile west of Onion Creek campground. 1889 Comment
  SCFS1122  Cordylanthus tenuis E. Krimmel, Michael Hamilton 2013-8-13 Placer NFAm. Dry meadows, Chickering Reserve. Comment
  JEPS103943  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold run Comment
  LA83022  Cordylanthus tenuis subsp. tenuis O. H. Kappler; 1946-7-18 1313 Placer Homewood, Lake Tahoe 1920 Comment
  SEINET1907214  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2006-1 11212 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1311 Comment
  RSA523859  Cordylanthus tenuis subsp. tenuis L. R. Heckard, R. C. Bacigalupi, T. I. Chuang 1973-7-28 3453 Placer Just east of Alta Lake. 1159 Comment
  UCD80050  Coreopsis stillmanii CNPS SN Foothill Team 2005-3-12 Survey Placer Auburn State Recreation Area. Comment
  JEPS33630  Coreopsis stillmanii W. L. Jepson 1938-4-5 18583 Placer 2 mi e Placerville Rd; Auburn Comment
  POM146205  Cornus californica J. B. Feudge 1725 Placer W. of Immigrant Gap. 1524 Comment
  UC177213  Cornus greenei A. R. Valentien May, 1914 Placer near Cool Comment
  UC21519  Cornus nuttallii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD164641  Cornus nuttallii Brandi Sorensen 1995-5-17 1 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD38474  Cornus sericea Beecher Crampton 1955-6-15 2866 Placer Head of Bunch Canyon, road to Forest Hill. 0.5 miles south US Hwy 40. Comment
  SEINET12137565  Cornus sericea J. H. Nishida 1985-1 773 Placer Homewood 1829 Comment
  UCD22325  Cornus sericea subsp. occidentalis Rex Palmer 1979-5-26 N 35 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR200867  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2008-9-15 14106 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  CDA20973  Cornus sessilis G. F. Hrusa 1993-11-3 11468 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  POM303027  Cornus stolonifera L. S. Rose 1944-7-22 44215 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  CHSC40074  Corydalis caseana subsp. caseana C. F. Sonne 1895-7-1 Placer Sierra Nevada Mountains. Ravine on Truckee River. Comment
  CAS-BOT-BC401884  Corydalis caseana subsp. caseana C. F. Sonne 1885-8-2 12 Placer Sierra Nevada Mts. On Truckee River Comment
  CAS-BOT-BC287203  Cota tinctoria Beecher Crampton 1972-7-26 8853 Placer Carpenter Flat E of Emigrant Gap, above meadow and just downslope from a cabin 1615 Comment
  CDA36989  Crassula connata CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  CAS-BOT-BC427940  Crassula tillaea John Thomas Howell; Gordon H. True 1972-3-17 7085 Placer Northern outskirts of Lincoln 48 Comment
  CAS-BOT-BC290351  Crepis acuminata Geo. B. Grant 1906-7-15 7020 Placer Tahoe Tavern, Lake Tahoe Comment
  JEPS126406  Crepis modocensis subsp. subacaulis Steve Matson 1998-6-1 256 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards north of Highway 267. Comment
  UC31318 Image available Crepis occidentalis Kellogg 1870-6-18 Placer Camp Yuba Sierra Nevada, Cisco; Camp Yuba, Cisco, Placer Co., Sierra Nevada Mts. Comment
  CAS-BOT-BC376453  Crepis occidentalis subsp. conjuncta G. L. Stebbins 1969-7-20 6948 Placer Ridge south of North Fork, American River, between Sailor Canyon and Wildcat Canyon 1950 Comment
  CDA35298  Croton setiger T. C. Fuller 1958-7-7 1999 Placer 2 miles north of Roseville. 0 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
  CAS-BOT-BC218774  Cryptantha humilis D. S. Smith 1928-6-27 2419 Placer Tahoe [National] Forest. Above Deer Park on ridge 2286 Comment
  JEPS126397  Cryptantha simulans Steve Matson 1997-8-17 810 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course along trails. Comment
  UC1178526  Cryptantha simulans Malcolm A. Nobs 1950-9-24 Placer e slopes Squaw Peak 1828 Comment
  UCD75940  Cryptantha torreyana Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5179 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  CAS-BOT-BC68069  Cryptogramma acrostichoides A. A. Heller 1909-7-16 9837 Placer Summit 2133 Comment
  SEINET6429213  Cryptogramma acrostichoides M. J. Williams 1970-6-23 s.n. Placer [Sierra Nevada] Near Cisco Grove 1722 Comment
  UC399488  Cryptogramma acrostichoides Mrs. Carlotta C. Hall 1910-6-22 Placer n bank of Yuba River Cisco 1676 Comment
  UCR146848  Cuscuta brachycalyx Beecher Crampton 1977-7-2 9512 Placer Sierra Nevada Foothills, 3.5 miles northeast of Auburn, east of Elder's Corner on Dry Creek Road 412 Comment
  JEPS59470  Cuscuta californica Ezra Brainerd and Viola B. Baird 1915-7-25 211 Placer Deer Park Road Sierra Nevada Mts. 1920 Comment
  UCD75736  Cymopterus terebinthinus var. californicus Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5198 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  UCD32974  Cynodon dactylon Beecher Crampton 1965-9-13 7493 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  SEINET12568146  Cynoglossum grande F. Brunetti 1962-3-17 s.n. Placer Above North Fork of American River, 2 miles E of Auburn. 274 Comment
  UCD60135  Cynosurus echinatus Beecher Crampton 1955-6-15 2920 Placer 8 miles west Forest Hill. Comment
  POM111775  Cyperus eragrostis I. E. Diehl 1902-7-7 55 Placer Colfax Comment
  UCR258211  Cyperus eragrostis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20045 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  UCD124127  Cyperus niger Ellen Dean; Marcel Rejmanek 2012-10-9 7501 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  CAS-BOT-BC198183  Cytisus scoparius Saichi Kawaha 1969-5-25 1028 Placer Near B.M. 2393, Nigger George Ravine, Colfax-Iowa Hill Road 729 Comment
  SACT000874  Dactylis glomerata D. Meyer 1984-5-6 Placer On Garden Bar Road, riparian habitat. 182.0 Comment
  UCR173269  Dactylis glomerata George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10432 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  CAS-BOT-BC189860  Danthonia californica Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  SACT000882  Danthonia californica D. Meyer 1984-7-8 Placer 0.4 km from I80, exposed hillside, east facing slope. 1290.0 Comment
  CHSC74155  Danthonia californica var. americana Susi Urie 1998-8-17 98 -047 Placer Lake Tahoe Basin-National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SACT000883  Danthonia californica var. americana Josephine Van Ess 1977-6-3 Placer Collected in low area in west side of road at bend. 6 miles west of highway. Low vernally wet area. 420.7 Comment
  UC710525  Danthonia unispicata John Thomas Howell 1943-7-22 18699 Placer Summit Valley Comment
  CAS-BOT-BC173276  Delphinium Saichi Kawahara 1969-5-25 1017 Placer Top of ridge east of old house, Mel Henderson Ranch, east of Indian Creek 1036 Comment
  UC188641  Delphinium C. F. Sonne 1886-6-13 Placer meadows Little Truckee River Comment
  JEPS59472  Delphinium depauperatum Viola B. Baird 1915-7-28 212 Placer Sheep Meadow above Bear Rock 2164 Comment
  CAS-BOT-BC8750  Delphinium hansenii Joseph Whipple Congdon s.n. Placer Roseville Comment
  UCR218243  Delphinium hansenii subsp. hansenii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16428 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
  CAS-BOT-BC116088  Delphinium nuttallianum A. A. Heller 1919-7-26 13311 Placer Summit meadows west of Donner Pass. 2072 Comment
  UC2042536  Delphinium nuttallianum 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
  UC854192  Delphinium nuttallianum C. L. Hitchcock 1940-5-7 6334 Placer ca 1 mi w Baxter Comment
  UCD96146  Delphinium nuttallianum G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12060 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 Comment
  CHSC24727  Delphinium patens subsp. patens T. C. English 1976-4-18 37 Placer N. Fork American River, 100 yds. S. Hwy 49 1 mi. E. Auburn City Limits. Comment
  CAS-BOT-BC116439  Delphinium patens subsp. patens Lillian S. Mott 1965-5-23 6578 Placer Near Foresthill Comment
  SEINET5338167  Delphinium variegatum A. Beninghoff 1930-4-20 1458 Placer Lincoln Comment
  SD43652  Delphinium variegatum subsp. variegatum Darley F. Howe 1948-5-21 1907 Placer Placer Co. Comment
  UC112866  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer between Gold Run and Colfax; Magra Comment
  UC112869  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer Magra Station Comment
  UCD36666  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer Placer County, 3 miles west of Iowa Hill. 914 Comment
  UCD43877  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1243 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET3927716  Deschampsia danthonioides K. Thorne, J. Chandler 1987-6-26 5437 Placer Truckee River.; 0 Comment
  UCSB46173  Deschampsia danthonioides Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  CHSC73367  Deschampsia elongata L. P. Janeway; Eric Schroder 1998-9-16 6339 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
  SACT000956  Deschampsia elongata D. Meyer 1983-7-30 Placer Roadside ditch 1853.18 Comment
  SACT000957  Deschampsia elongata D. Meyer 1984-8-12 Placer 11.2 km from French Meadows, very wet somewhat boggy and grazed wooded area. 1612.0 Comment
  SD103538  Deschampsia elongata Darley Howe 1978-7-15 5076 Placer Along state highway 20; 29 miles west of Truckee 1646 Comment
  SDSU994  Deschampsia elongata D. F. Howe 1978-7-15 5076 Placer Route 20, 29 miles west of Truckee 1646 Comment
  SEINET9340012  Deschampsia elongata Unknown 2009-7-16 15206 Placer Duncan Peak 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
  JEPS111265  Dianthus armeria subsp. armeria Steve Matson 2005-9-11 1523 Placer Tahoe Basin, North Shore, Snow Creek Watershed, Kings Beach. Along Pine Nut Ave. 39.2471 N, 120.0388 W ; elevation 6360 ft. 1938 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
  UCD95498  Dicentra formosa Eric Brenner; John Hunter 1996-5-26 020 Placer Tahoe National Forest. Mosquito Ridge Road. 1080 Comment
  UCR235422  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18955 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  UCD23417  Dicentra formosa Toni Grant 1977-5-28 31 Placer Purple flowers, low herbaceous plants in groups, partial shade. Pine forest. 0.65 miles SE of Auburn Foresthill Rd. on Mosquito Ridge Rd. Intersection is 20 miles NE of Auburn Foresthill Bridge. Comment
  UCD95069  Dicentra formosa subsp. formosa Rolf Y. Berg 1963-6-9 s.n. Placer State Highway 20, ca. 2 miles W of junction with U.S. Highway 40 at Emigrant Gap. Comment
  CAS-BOT-BC402584  Dicentra uniflora Elizabeth McClintock; Wayne Roderick 1968-5-17 s.n. Placer Cisco Grove, northern Placer County Comment
  HSC82241  Dichelostemma capitatum subsp. capitatum Thomas W. Nelson 1979-4-10 4587 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UCR172650  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10197 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
  UCR207890  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14573 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCR250685  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20348 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
  RSA333559  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 38 Placer W side of Sierra College Blvd, 1.1 mile S of English Colony Road intersection. 560 Comment
  SEINET8475403  Dichelostemma capitatum subsp. capitatum L. Munker 1962-1 49 Placer Hwy 40, 10 miles W of Auburn. 396 Comment
  UCR195170  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12006 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR233241  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17691 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  SEINET3243525  Dichelostemma multiflorum Charles T. Mason Jr. 1948-1 1192 Placer West side of Southern Pacific Railroad track, along highway 99E, near Whintey Station 3 miles south of Lincoln. Comment
  UC203707  Dichelostemma volubile C. F. Sonne May 1891 Placer near Auburn Comment
  UC635220  Dichelostemma volubile H. L. Mason 1926-5-28 3276 Placer 5 mi above Auburn Comment
  UCR207883  Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2009-4-22 14575 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCD32978  Digitaria ischaemum Beecher Crampton 1965-9-13 7498 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  SJSU4077  Diplacus grandiflorus C. W. Sharsmith 1965-6-12 7398 Placer on divide between N Fork & Middle Fork American R c. 8 mi E of Michigan Bluff 1219 Comment
  SD243209  Diplacus 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. Burned area north of road. 1662 Comment
  CAS-BOT-BC151673  Diplacus torreyi G. K. Helmkamp; E. A. Helmkamp 2009-8-12 15425 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill, Duncan Peak 7.5' Q. 1661 Comment
  CAS-BOT-BC151681  Diplacus torreyi Clare B. Hardham 1961-6-14 7356 Placer Baxter, Rte 40 - Sierra Nevada Mountains 1066 Comment
  RSA300475  Disporum hookeri var. hookeri John Dourley, Walter Wisura 1982-10-13 3857 Placer 1.7 mi SW of Emigrant Gap along forestry rd. 19 1524 Comment
  SEINET6744632 Image available Disporum trachyandrum Marcus E. Jones 1882-1 Placer Emigrant Gap Comment
  UCD53912  Dittrichia graveolens A. M. Shapiro 2004-11-1 s.n. Placer Colfax, construction site opposite 148 Whitcomb St. 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
  UC1123272  Dodecatheon hendersonii J. E. Sowder, R. W. Lundh 1933-4-19 48 Placer Colfax Hill Colfax Quad., Colfax Hill Comment
  UC877547  Dodecatheon hendersonii C. L. Hitchcock 1940-5-7 6342 Placer ca 1 mi w Baxter; w of Baxter Comment
  SEINET8561834  Dodecatheon hendersonii D. E. Brix 1962-3-17 s.n. Placer 3.5 miles NE of Auburn. 518 Comment
  SEINET8561859  Dodecatheon hendersonii M. J. Williams 1969-4-2 s.n. Placer Near Placerville, above Greenstone Lane. Comment
  UCD44009  Dodecatheon jeffreyi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1375 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET8039318  Downingia bicornuta D. F. Erskine 1941-4-26 9 Placer 1 mile S of Roseville. 76 Comment
  RSA21272  Downingia ornatissima C. B. Wolf 1937-5-12 8615 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  UCD114911  Draba albertina Robert E. Preston 1984-6-14 461 Placer Ca. 3.2 km W of Sunnyside. Comment
  SEINET5332406 Image available Draba barbata var. treleasei P. B. Kennedy, Samuel Bradford Doten 1901-8-10 271 Placer Summit of range [Sierra Nevada] between Devils Cliff and Tinkers Knob. Comment
  JEPS72293  Draba paysonii var. treleasei Gladys L. Smith, B. Wilson 1972-9-17 3604 Placer ridge nw Ward Peak; ridge nw of Ward Peak 2621 Comment
  CDA12294  Draperia systyla G. F. Hrusa 1989-5-2 7067 Placer Sierra Nevada; 6 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UC880656  Draperia systyla Marcus E. Jones, A. M. 1882-6-29 2815 Placer Emigrant Gap Comment
  SEINET7249205  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  CAS-BOT-BC401540  Drosera rotundifolia L. S. Smith 1926-6-23 1978 Placer Tahoe National Forest. Squaw Valley Bog 1889 Comment
  JEPS59373  Drymocallis Ezra Brainerd and Viola B. Baird Jul 9 1915-Jul 20 1920 121 Placer Bear Rock Sierra Nevada Mts., Truckee River (camp on Truckee River) 1889 Comment
  UCD22270  Drymocallis glandulosa Beth Lowe Corbin 1982-8-3 187 Placer Onion Creek Campground. 1841 Comment
  SEINET6689834  Drymocallis glandulosa var. glandulosa K. Thorne, J. Chandler 1987-6-26 5416 Placer CA Hwy 27, 3.2 miles S of Brockway Summit. Comment
  SEINET6691334  Drymocallis hansenii P. B. Kennedy, S. B. Doten 1901-8-18 417 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  UC66117  Drymocallis hansenii P. B. Kennedy 1901-8-18 417 Placer 7 mi from French Meadows; 7 mi from French Meadows Comment
  CHSC9520  Drymocallis lactea var. austiniae J. F. Goodwin 1971-7-10 152 Placer By creek approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  CAS-BOT-BC157893  Drymocallis lactea var. lactea Alice Eastwood 1909-1-1 21 Placer Lake Tahoe Region. Sunnyside Comment
  LA83941  Drymocallis lactea var. lactea O. H. Kappler; 1946-7-18 1320 Placer Lake Tahoe 1920 Comment
  SD62102  Dudleya cymosa Darley F. Howe 1965-5-21 116 Placer Mouth of canyon on south side of north fork of American River below Forest Hill. Comment
  UCSC000350  Dudleya cymosa W. W. Mackie 1904-5-4 s.n. Placer near Newcastle Comment
  UCR250345  Dudleya cymosa subsp. cymosa George K. Helmkamp, Mary Alice Barnes 2013-4-18 20364 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
  SEINET1908714  Dysphania botrys G. K. Helmkamp, E. A. Helmkamp 2008-1 14098 Placer Foothills, northern Sierra Nevada Mountains; along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  SEINET4175119  Dysphania botrys A. Tiehm 1973-10-16 s.n. Placer North Fork American River near union with Middle Fork 305 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
  CAS-BOT-BC113431  Eleocharis bella Marcus E. Jones 1882-6-20 2905 Placer Emigrant Gap Comment
  CAS-BOT-BC112912  Eleocharis macrostachya Saichi Kawaha 1969-7-6 1432 Placer Swing near old cabin, east bank of Indian Creek, Mel Henderson Ranch. 999 Comment
  UC1100711  Eleocharis pachycarpa Malcolm A. Nobs 1948-9-25 689 Placer about 9 mi N of Auburn (Rock Creek, Highway 49) Comment
  CAS-BOT-BC113160  Eleocharis palustris Stanley Galen [S. Galen] Smith 1949-8-21 1508 Placer Marsh between Sandy Beach and Agate Bay, north end of Lake Tahoe Comment
  POM292582  Eleocharis palustris Lyman Benson 1932-7-31 4015 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  CHSC74317  Eleocharis quinqueflora Susi Urie 1998-8-29 98 -169 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCR229454  Elymus cinereus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17898 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  SEINET12737908  Elymus elymoides S. B. Doten 1901-6-15 46 Placer Near Last Chance. Comment
  UCD22216  Elymus elymoides Beth Lowe Corbin 1982-8-18 373 Placer 1 1/4 miles SW of The Cedars. NE facing slope, 10% incline. Common. Mostly sun. In rocky, fine, sandy granitic soil of open white fir forest. Perennial forming moderately large bunches. Awns purplish. 1813 Comment
  UCR240706  Elymus elymoides subsp. californicus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19227 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  SACT001082  Elymus glaucus D. Meyer 1984-8-17 Placer East of Colfax near Rollins Reservoir. 667.0 Comment
  SACT001083  Elymus glaucus D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001136  Elymus glaucus Michael Baad 1983-6-26 Placer On Michigan Bluff Road. 1158.0 Comment
  UC569492  Elymus glaucus B. Bolt 1934-7-3 73 Placer Sawtooth Ridge Colfax Quadrangle (top) 1219 Comment
  UCD37043  Elymus glaucus Beecher Crampton 1956-7-17 3724 Placer Placer County, Blue Canyon. 1432 Comment
  UCD61821  Elymus glaucus Beecher Crampton 1955-6-15 2896 Placer Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  CAS-BOT-BC206793  Elymus glaucus subsp. glaucus Peter H. Raven 1950-6-26 2409 Placer Baxter's 1219 Comment
  UCD43849  Elymus glaucus subsp. glaucus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1215 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  RSA126909  Elymus glaucus subsp. jepsonii G. T. Nordstrom 1934-6-19 121 Placer 1/2 mile N.E. of Mouth of Monumental Creek; Colfax 1463 Comment
  SACT001138  Elymus glaucus subsp. jepsonii D. Meyer 1984-6-23 Placer Along Placer County-Nevada County line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  UCD62439  Elymus multisetus John Thomas Howell; Gordon H. True 1971-5-26 47636 Placer Northern limits of Lincoln. 48 Comment
  SACT001147  Elymus sierrae Michael Baad 1976-8-4 Placer Shores of Mildred Lakes and Northeast-facing slope of Mildred Ridge. Comment
  SACT001148  Elymus sierrae Michael Baad 1976-7-21 Placer Ridge at the tree line west north west of Lyon Peak and north-facing slope at crest of Lyon Peak, cinders and basaltic boulders. 10 miles southeast of Soda Springs. 2377.0 Comment
  UCD62596  Elymus sierrae A. A. Heller 1917-8-13 12919 Placer Ridge northwest of Donner Pass. 2377 Comment
  UCD62604  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2908 Placer Yankee Jims. Comment
  UCD62736  Elymus trachycaulus subsp. subsecundus R. Tofsrud 1947-7-12 42 Placer Placer County. 1524 Comment
  CAS-BOT-BC410298  Enemion occidentale Serena Philips 1915-4-2 s.n. Placer Mountains near Alta Comment
  CAS-BOT-BC226650  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12079 Placer Northern Siera Nevada Mountains Foothills: junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UCD150706  Epilobium brachycarpum James A. Neilson Jr. 1971-7-12 2339 Placer Tahoe Basin, Homewood. 1914 Comment
  SEINET12861983  Epilobium canum subsp. latifolium P. B. Kennedy 1901-1 278 Placer [Sierra Nevada] Summit of range between Devil's Cliff and Tinker's Knob. Comment
  UCD44687  Epilobium ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2053 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD75766  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5237 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CHSC73963  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-8-28 98 -138 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC73964  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-9-1 98 -187 Placer Lake Tahoe Basin--National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  POM46188  Epilobium ciliatum subsp. ciliatum I. E. Diehl 1902-7-7 s.n. Placer Colfax. 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
  UCD38902  Epilobium ciliatum subsp. ciliatum Beecher Crampton 1959-7-23 5425 Placer 6 miles north of Folsom. Along Folsom-Auburn Blvd. Comment
  CHSC82651  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2002-7-22 9891 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
  CDA13696  Epilobium densiflorum G. F. Hrusa, J. Glazner 1997-8-3 14056 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCR202651  Epilobium densiflorum George K. Helmkamp 1999-6-29 5056 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
  JEPS111287  Epilobium hallianum Steve Matson 2005-7-4 1375 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
  POM271516  Epilobium hallianum Lyman Benson 1942-7-2 11249 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  POM46217  Epilobium hallianum Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD44006  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1372 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44643  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2009 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA16806  Epilobium obcordatum G. F. Hrusa, J. Glazner 2001-7-15 15945 Placer Sierra Nevada; Mats, 1-2 ft. wide on rocky/gravelly slopes, subalpine zone near summit of Crows Nest Pk. immed. W of Sugarbowl. Flrs magenta, large. Perennial. 2377 Comment
  CDA16812  Epilobium obcordatum G. F. Hrusa, J. Glazner 2001-7-15 15950 Placer Sierra Nevada; Hanging colony on vertical rock face of summit rock spire, Crows Nest Pk. immed. W of Sugarbowl. Perennial, flrws magenta. 2377 Comment
  UCR148825  Epilobium obcordatum G. Fred Hrusa, J. Glazner 2001-7-15 15949 Placer Northern Sierra Nevada Mountains, Near summit of Crows Nest Peak, immediately west of Sugarbowl 2378 Comment
  UC126702  Epilobium torreyi Katharine Brandegee 1889-7-5 Placer Newcastle Comment
  CHSC74054  Equisetum arvense Susi Urie 1998-8-13 98 -039 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD44510  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1876 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  MACF015282  Equisetum arvense F. A. MacFadden 1933-7-11 16030 Placer Canyon Creek, Monte Vista, Placer Co, California Comment
  RSA102080  Eremocarpus setiger John H. Redfield 1872-8-7 334 Placer Alta, Sierra Nevada. Comment
  CAS-BOT-BC174097  Eremogone aculeata John Thomas Howell 1943-7-21 18675 Placer Mt. Lincoln Comment
  CAS-BOT-BC481927  Eremogone aculeata John H. Thomas; Hazelle A. Thomas 1956-7-21 6108 Placer Sierra Nevada, vicinity of Donner Pass, about 80 mi NE of Sacramento 2377 Comment
  JEPS109407  Eremogone aculeata D. W. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada State Line in the headwaters of Juniper Creek. Comment
  UCD13387  Eremogone congesta Steve Daniel 1986-5-31 86 -42 Placer Entrance to Placer Big trees Park. Comment
  JEPS126426  Eremogone congesta var. congesta Steve Matson 1998-6-21 271 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  CAS-BOT-BC174293  Eremogone congesta var. suffrutescens G. L. Stebbins 1970-7-19 7069 Placer Along ridge southwest of Duncan Peak Lookout 2011 Comment
  CDA4631  Ericameria arborescens T. C. Fuller 1962-9-2 9622 Placer Hwy 40 to Auburn, 2.5 miles west of Weimer. 0 Comment
  CAS-BOT-BC286643  Ericameria bloomeri L. R. Abrams 1917-9-11 6776 Placer Truckee Comment
  UC1119826  Ericameria nauseosa N. French 1934-6-17 425 Placer Devils Peak Tahoe National Forest, Truckee Quadrangle, Devils Peak 2346 Comment
  UC73886  Ericameria nauseosa var. speciosa A. M. Carpenter 1893-8 Placer Comment
Read comments
Dec 11 2014
  CAS-BOT-BC293278  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer Ridge northwest of Donner Pass 2377 Comment
  UC187930  Erigeron barbellulatus C. F. Sonne 1888-7-29 Placer Wards Peak Comment
  UC71911  Erigeron barbellulatus C. J. Fox Jr. 1895-7-1 Placer near Deer Park Inn Comment
  UC197372  Erigeron barbellulatus C. F. Sonne 1886-7-18 Placer Head of Canon on Truckee River Truckee River, Head of Canon Comment
  CHSC74065  Erigeron coulteri Susi Urie 1998-8-13 98 -029 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC128219  Erigeron coulteri Miss Harriet A. Walker 1908-7-25 1395 Placer near Yuba River; Cicso 1798 Comment
  UC198969  Erigeron foliosus var. hartwegii H. M. Hall 1916-6-4 10154 Placer at Gautier Bridge (Bear River, on the w slope of the Sierra Nevada, n Placer County); Sierra Nevada, Bear River 400 Comment
  UCR193335  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-30 12194 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
  CAS-BOT-BC300814  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12916 Placer Ridge northwest of Donner Pass 2377 Comment
  CAS-BOT-BC300825  Erigeron glacialis var. glacialis C. F. Sonne 1886-7-25 364 Placer Sierra Nevada Mts. On Mt. Stanford Comment
  CAS-BOT-BC300831  Erigeron glacialis var. glacialis Le Roy Abrams 1911-7-27 4783 Placer Lake Tahoe Region. Lake Valley 1950 Comment
  UCD131984  Erigeron inornatus F. A. MacFadden 1934-8-10 s.n. Placer Cisco. Comment
  JEPS15643  Erigeron inornatus var. inornatus Rimo Bacigalupi with Aldo Bacigalupi 1952-8-15 3921 Placer along U.S. Highway No. 40, 3 mi e Emigrant Gap 1676 Comment
  RSA750730  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2008-9-15 14101 Placer along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UC148922  Erigeron inornatus var. inornatus H. M. Hall 1910-6-10 8750 Placer Cisco 1828 Comment
  UCD132002  Erigeron inornatus var. inornatus G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12645 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  UCD44696  Erigeron peregrinus var. callianthemus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2062 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC148994 Image available Erigeron reductus var. reductus H. M. Hall 1910-7-3 8741 NUL Placer near Cisco; Sierra Nevada Mountains, Yuba River; Yuba River near Cisco, Sierra Nevada Mts. 1706 Comment
  UCD132077  Erigeron sumatrensis Walter H. Johnson 1959-12-1 s.n. Placer Near Blue Canyon on Highway 40. 152 Comment
  CAS-BOT-BC216226  Eriodictyon californicum C. L. Hitchcock 1940-5-14 6376 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  JEPS14  Eriodictyon californicum W. H. Shockley June 1886 Placer Auburn Comment
  UC1124311  Eriodictyon californicum C. R. Clar 1933-6-6 131 Placer near Rattlesnake Bridge; Sacramento Quad., near Rattlesnake Bridge Comment
  CAS-BOT-BC216228  Eriodictyon californicum Charles von Geldern 1912-5-1 s.n. Placer American River Comment
  SEINET5495502  Eriodictyon californicum M. J. Williams 1984-6-24 84- 65 -2 Placer 0.3 miles in from HWY 20 on Bowman Lake Rd. 1524 Comment
  UCD33616  Eriodictyon lobbii Beecher Crampton 1970-11-10 8655 Placer Placer County, Nyack, along Hwy. 80. 1524 Comment
  UCD21934  Eriogonum incanum Rex Palmer 1979-6-9 N 141 Placer Headwaters basin area of the North Fork of the American River 2438 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
  UC912848  Eriogonum luteolum var. pedunculatum Marcus E. Jones, A. M. 1882-7-3 2840 Placer Colfax Comment
  CDA22618  Eriogonum marifolium Jim Jokerst 1986-7-13 2717 A Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, stop along trail south of Middle Fork American River. Comment
  POM117510  Eriogonum marifolium Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  SD6122  Eriogonum marifolium June 1914 Placer Cisco Comment
  CAS-BOT-BC263291  Eriogonum marifolium var. marifolium Alice Eastwood 1909-1-1 300 Placer Lake Tahoe Region. Deer Park Comment
  UCR229453  Eriogonum nudum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17899 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
  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
  LA84263  Eriogonum nudum var. deductum O. H. Kappler; 1946-7-18 sn Placer Lake Tahoe, N shore 1920 Comment
  SEINET3246086  Eriogonum nudum var. deductum G. K. Helmkamp, E. A. Helmkamp 2007-1 12636 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1743 Comment
  UCD100570  Eriogonum nudum var. deductum G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12636 Placer Northern Sierra Nevada Mountains, southeast end of Cisco Grove, along local road just before it passes under Interstate-80. 1744 Comment
  UCR200875  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14107 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  CAS-BOT-BC264813  Eriogonum nudum var. deductum F. A. Mac Fadden 1934-7-1 12557 Placer Canyon Creek, Monte Vista Comment
  RSA714092  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9993 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
  UCR171354  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9993 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
  SD237562  Eriogonum nudum var. oblongifolium G. K. Helmkamp, Amy Barnes 2009-7-12 15182 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-BC271967  Eriogonum nudum var. pubiflorum H. L. Mason 1929-10-4 5450 Placer Three miles south of Roseville on Folsom Road Comment
  CAS-BOT-BC266844  Eriogonum ovalifolium var. nivale C. F. Sonne 1885-8-23 405 Placer Tinker Knob 2743 Comment
  CAS-BOT-BC258136  Eriogonum prattenianum var. prattenianum D. L. Smith; G. L. Stebbins 1976-7-3 C 7678 Placer Northwest side of Ralston Ridge, above Middle Fork American River, just east of Big Crater 1249 Comment
  CAS-BOT-BC258138  Eriogonum prattenianum var. prattenianum G. L. Stebbins 1970-7-19 7063 Placer Above North Fork of Middle Fork, American River, 2 miles northeast of Last Chance 1341 Comment
  SD86301  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer Along California Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground Comment
  RSA300143  Eriogonum torreyanum Charlotte Pyle 1978-8-9 s.n. Placer E side of Silver Peak about 1.5 miles NW of Squaw Valley. 2348 Comment
  CAS-BOT-BC267490  Eriogonum umbellatum Frances Price 1919-1-1 s.n. Placer Tahoe Comment
  RSA790194  Eriogonum umbellatum James R. Shevock 1985-8-9 11335 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  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-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
  UCD22118  Eriogonum umbellatum var. nevadense Rex Palmer 1979-7-25 N 678 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22122  Eriogonum umbellatum var. nevadense Rex Palmer 1979-7-11 N 589 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD101502  Eriogonum umbellatum var. torreyanum Tamara Kan 1992-8-1 s.n. Placer on Mt. Disney, just inside boundary of Onion Creek Experimental Forest, at top of south east facing drainage. 2377 Comment
  CAS-BOT-BC262230  Eriogonum ursinum Alice Eastwood 1909-1-1 298 Placer Lake Tahoe Region, Deer Park 1889 Comment
  CAS-BOT-BC262234  Eriogonum ursinum Kellogg 1870-6-10 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  SD22254  Eriogonum ursinum Marcus E. Jones June 1882 Placer Emigrant Gap Comment
  UCR242366  Eriogonum ursinum var. ursinum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16668 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UCD101538  Eriogonum wrightii Beecher Crampton 1975-10-14 9329 Placer Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  CAS-BOT-BC205645  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  JEPS72791  Eriogonum wrightii var. subscaposum Gladys L. Smith 1972-8-25 3444 Placer Glacial stairsteps above Squaw Valley (on trail to Granite Chief) 2194 Comment
  UCD101553  Eriogonum wrightii var. subscaposum Tamara Kan 1992-7-20 s.n. Placer east slope of Silver Peak in open habitat. 2316 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
  UCR170828  Eriogonum wrightii var. subscaposum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9935 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  UCR194950  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-5-18 12021 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCD13357  Eriophyllum lanatum var. croceum Anne Marie Weyandt 1989-5-20 23 Placer near road cut. 914 Comment
  POM118174  Eriophyllum lanatum var. grandiflorum H. M. Hall, F. M. Essig 1916-6-5 10156 Placer Bear River, northern Placer County, on the westerly slope of the Sierra Nevada 450 Comment
  CAS-BOT-BC308254  Eriophyllum lanatum var. integrifolium John Thomas Howell 1943-7-21 18668 Placer Mt. Lincoln Comment
  SEINET8526834  Erodium botrys R. Adamson 1964-4-21 s.n. Placer Along roadside of HWY 49 457 Comment
  SEINET8526933  Erodium brachycarpum S. L. Sedillos 1976-3-13 s.n. Placer South of Auburn, along the north fork of the American River 274 Comment
  CAS-BOT-BC54317  Erysimum capitatum Mary E. Jump 1939-5-29 s.n. Placer Bear Valley. Comment
  SEINET5784017 Image available Erysimum capitatum Marcus E. Jones 1882-1 2620 Placer Emigrant Gap Comment
  CAS-BOT-BC55093  Erysimum perenne Marcus E. Jones 1882-6-28 2620 Placer Emigrant Gap. Comment
  CDA16815  Erysimum perenne G. F. Hrusa, J. Glazner 2001-7-15 15954 Placer Sierra Nevada; N summit face of Crows Nest Pk. immed. W of Sugarbowl. 2346 Comment
  CHSC79830  Erythranthe breweri G. F. Hrusa; J. Glazner 1999-7-8 15225 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434 N, 07418 E. 1905 Comment
  SEINET14199418  Erythranthe erubescens P. B. Kennedy 1901-8-10 269 Placer Below summit of Tinkers Knob. Comment
  SEINET14199447  Erythranthe erubescens P. B. Kennedy 1901-8-10 269 Placer Below summit of Tinkers Knob. Comment
  OBI49255  Erythranthe moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  SEINET10528796  Erythronium californicum Charles L. Hitchcock 1940-5-7 Hitchcock 6310 Placer ca 1 mile west of Baxter. Comment
  CAS-BOT-BC505237  Erythronium grandiflorum A. A. Heller 1917-6-17 12685 Placer Granite rocks near the Yuba river below Cisco 1676 Comment
  RSA537540  Erythronium multiscapideum Barbara Ertter, David Thompson 1989-4-8 8170 Placer Iowa Creek Road ca. 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing 518 Comment
  SD248465  Eschscholzia caespitosa George K. Helmkamp, Elizabeth A. Helmkamp 2007-3-25 11709 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its juncton with CA-49 at the bridge of the junction of American River forks (Auburn 7.5'Q) 287 Comment
  UCR247466  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2007-3-25 11709 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCR257566  Eschscholzia caespitosa George K. Helmkamp, Amy Barnes 2014-4-23 22773 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  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
  SEINET5339902  Eschscholzia californica D. A. Buck 1959-3-27 5 Placer Along highway 40 just north of Auburn. 411 Comment
  SEINET5339919  Eschscholzia californica D. H. Erskine 1941-4-27 1 Placer Roseville. 76 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
  UCD132285  Eucephalus breweri D. Sanchez-Mata; S. Rivas, M. Barbour, P. Rodriguez 1997-9-3 s.n. Placer Soda Springs. Soda Springs Road. Tahoe National Forest. Near French Meadows. 2100 Comment
  SD240985  Euphorbia crenulata George K. Helmkamp, E. A. Helmkamp 2012-5-11 18943 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road (Foresthill 7.5'Q) 1103 Comment
  UC193542  Eurybia integrifolia C. F. Sonne 1885-8-9 Placer on road to Tahoe Comment
  SEINET3828364  Fabaceae G. K. Helmkamp, E. A. Helmkamp 2011-1 17854 Placer Northern Sierra Nevada Mountains: Emigrant Gap Road, 0.1 miles west of its junction with US-80 0.65 mi NE (65 degrees) of Emigrant Gap. (Blue Canyon 7.5') 1590 Comment
  UC1153833  Festuca elmeri Beecher Crampton 1955-6-15 2890 Placer 2.5 mi n Yankee Jim's (junction Iowa Hill-Forest Hill Roads) Comment
  SACT002494  Festuca megalura Josephine Van Ess 1977-4-27 Placer Collected at base of rock cliff at intersection with Aphir Road. Moist slope. Light shade. 289.0 Comment
  CAS-BOT-BC278792  Festuca occidentalis Saichi Kawahara 1969-5-25 889 Placer North of old cabin, Mel Anderson Ranch, Indian Creek 999 Comment
  CHSC112167  Festuca occidentalis Dean Wm. Taylor 2013-6-19 21371 Placer Ralston Ridge (ca 15 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down from (North of) Forest Road 25 along the ridgecrest. 1482 Comment
  SACT001172  Festuca ovina D. Meyer 1983-6-25 Placer 1636.0 Comment
  UCR249531  Festuca perennis George K. Helmkamp, Amy Barnes 2013-3-28 20287 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  CHSC72898  Festuca rubra L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5772 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SACT001190  Festuca rubra D. Meyer 1984-7-29 Placer Road south of reservoir moist shady north-facing slope. 1612.0 Comment
  UC1153834  Festuca subulata Beecher Crampton 1955-7-15 2892 Placer 2.5 mi n Yankee Jim's (junction of Iowa Hill and Forest Hill roads) Comment
  UCD36661  Festuca subulata Beecher Crampton 1955-6-15 2892 Placer 2.5 miles north of Yankee Jims, at junction of Iowa Hill and Forest Hill Road. 609 Comment
  UCD66430  Festuca subulata Beecher Crampton 1955-6-15 2892 Placer 2.5 miles north of Yankee Jims, at junction of Iowa Hill and Forest Hill Road. 609 Comment
  SACT001205  Festuca viridula Michael Baad 1983-8-11 Placer Trail from Whiskey Camp. 3 miles west of Alpine Meadows. 2133.0 Comment
  UC1132025  Festuca viridula N. French 1934-6-21 437 Placer 0.75 mi ne Palisade Lake; Truckee Quad. 2011 Comment
  UC147587  Floerkea proserpinacoides Miss Harriet A. Walker 1908-6-26 1314 Placer Cisco 1810 Comment
  SBBG27370  Fragaria vesca C. L. Htchcock 1940-5-7 6318 Placer ca. 1 mi W of Baxter Comment
  UC481571  Fragaria virginiana subsp. platypetala G. W. Fetters 1929-6-16 Placer Pomin's Pomin's, Lake Tahoe; Lake Tahoe Comment
  CAS-BOT-BC447513  Fragaria virginiana var. platypetala anonymous 1906-7-15 s.n. Placer Tahoe Tavern Comment
  CAS-BOT-BC53544  Frangula californica subsp. tomentella Alice Eastwood 1913-7-3 s.n. Placer Bear River, McCourtneys Bridge Comment
  CAS-BOT-BC53552  Frangula californica subsp. tomentella A. A. Heller 1917-6-16 12680 Placer near Dutch Flat 914 Comment
  SD81185  Frangula californica subsp. tomentella D. F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  CAS-BOT-BC55782  Frangula rubra subsp. rubra Alice Eastwood 1912-6-15 422 Placer Deer Park, Lake Tahoe region Comment
  CAS-BOT-BC504550  Fritillaria atropurpurea Alice Eastwood 1912-6-15 407 Placer Deer Park, Lake Tahoe Region Comment
  UC1586052  Fritillaria micrantha Barbara Ertter with David Thompson 1989-4-8 8169 Placer near entrance to Auburn State Recreation Area (2 mi from I-80, Iowa Creek Road, at creek crossing); Iowa Creek Road 518 Comment
  SEINET8478891  Fritillaria micrantha A. Urrutia 1960-3-19 s.n. Placer North fork American River 3 miles S of Auburn, Hwy 49, 457 Comment
  SEINET8480166  Fritillaria recurva C. Fitz 1959-4-24 s.n. Placer Rough and Ready. 549 Comment
  UCD22287  Galium Rex Palmer 1979-5-27 N 49 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC73991  Galium aparine Susi Urie 1998-8-28 98 -135 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  UCD15080  Galium aparine Alan B. Chan 1977-5-28 31 Placer California, Placer Co.; 20 miles northeast of the Auburn Forest Hill Bridge along Auburn Forest Hill Road, 0.25 miles going south on Auburn Forest Hill Road towards Michigan Bluff; Comment
  UCD22291  Galium aparine Rex Palmer 1979-6-21 N 378 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR226138  Galium bifolium Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5147 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
  POM67595  Galium bolanderi Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCR206857  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15200 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  SEINET12285646  Galium multiflorum C. F. Sonne 1885-1 s.n. Placer mts. above Coldstrain Comment
  CAS-BOT-BC539314  Galium sparsiflorum G. Ledyard Stebbins 1976-7-3 7670 Placer Big Crater [exact location unknown] Comment
  CHSC73993  Galium trifidum var. pacificum Susi Urie 1998-8-25 98 -091 Placer About 0.2 mi north of Lake Tahoe. 1901 Comment
  SEINET4178829 Image available Galium triflorum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16782 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of it's junction with Foresthill Road and just south of a creek crossing. 1551 Comment
  JEPS34002  Gamochaeta ustulata W. H. Shockley Jun 1886 Placer Auburn Comment
  CAS-BOT-BC178506  Garrya flavescens W. R. Dudley 1909-7-22 s.n. Placer Lover's Leap, American River Comment
  UCR241723  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19921 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  CDA15964  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, J. Glazner 1999-7-17 15125 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  OBI20019  Gayophytum diffusum subsp. parviflorum David J. Keil 1978-7-23 12950 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  RSA39938  Gayophytum heterozygum J. T. Howell 1943-7-25 18807 Placer West side of Donner Pass near Norden 2134 Comment
  OBI12031  Gayophytum humile Robert F. Hoover 1967-9-5 10842 Placer Carnelian Bay, Lake Tahoe Comment
  UC20267  Gayophytum humile C. F. Sonne 1886-7-11 Placer road to Lake Tahoe Sierra Nevada Mountains Comment
  JEPS72488  Gentiana calycosa Gladys L. Smith 1972-8-25 3439 Placer cirque n-face Granite Chief 2529 Comment
  SD3703  Gentiana calycosa C. F. Sonne Sept. 1892 Placer Sierre Nevada Mts. [Above] Donner Lakes Comment
  SJSU6217  Gentiana calycosa R. L. Fisher 1957-8-7 Placer Donner Summit Pass; boundary between Placer & Nevada county 2164 Comment
  UCD150770  Gentiana calycosa James A. Neilson Jr. 1971-8-31 2587 Placer Tahoe Basin, South fork of Blackwood Creek. 2438 Comment
  UC191664  Gentiana newberryi C. F. Sonne Sep 1894 Placer Summit Valley 2133 Comment
  UCD150768  Gentianopsis simplex James A. Neilson Jr.; Dianne Q. McQuaid 1972-8-24 3589 Placer Tahoe Basin, Ward Valley, upper meadow. 2133 Comment
  UCD44024  Gentianopsis simplex C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1390 Placer Lake Tahoe Basin. Comment
Read comments
Nov 8 2013
  UCR233011  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-12 17258 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  SD43657  Geranium dissectum Darley F. Howe 1948-5-21 1912 Placer 456 Comment
  UCR188848  Geranium pusillum George K. Helmkamp, E. A. Helmkamp 2007-3-25 11706 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  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
  JEPS127449  Geum macrophyllum var. perincisum Steve Matson 1997-7-25 132 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; North Ave. Comment
  UCSC000605  Gilia capitata N. French 1934-5-31 383 Placer Mamouth Springs. Colfax. 1646 Comment
  SEINET12765127  Gilia capitata subsp. mediomontana Lowell Ahart 2006-7-9 12936 Placer About 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir.; 0 1661 Comment
  UC572609  Gilia capitata subsp. mediomontana N. French 1934-5-31 383 Placer Mammoth Springs Tahoe National Forest, Colfax Quad. 1645 Comment
  UCD117745  Gilia capitata subsp. pedemontana K. O'Keefe 1995-6-4 s.n. Placer three miles west of Forest Hill (town) on the north side of Forest Hill Road. Sierra foothills, northeast of Auburn. 800 Comment
  UCR233388  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2011-8-26 18172 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  UCR242367  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UC30184  Gilia tricolor subsp. diffusa H. N. Bolander 1865-4-13 4574 Placer near Auburn; near Auburn Comment
  UC1585900  Gilia tricolor subsp. tricolor Barbara Ertter with David Thompson 1989-4-8 8156 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
  CDA19531  Githopsis diffusa subsp. robusta M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 255 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Foresthill Rd, ~ 3 mi E of Foresthill. 1066 Comment
  JEPS111140  Githopsis specularioides Steve Matson 2005-4-17 1218 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  SACT001258  Glyceria elata D. Meyer 1984-9-23 Placer Moist north-facing hillside seeping with water. 2109.0 Comment
  CAS-BOT-BC307371  Gnaphalium palustre Catherine Best 1981-8-1 s.n. Placer Big Meadow about 3 miles south of French Meadows, Sierra Nevada 1600 Comment
  RSA102064  Gnaphalium palustre John H. Redfield 1872-8-7 189 Placer Blue Canyon. Comment
  UCD22066  Goodyera oblongifolia Beth Lowe Corbin 1982-8-20 400 Placer 1/2 mile west of Onion Creek Campground. 1950 Comment
  CHSC116935  Gratiola M. Ocken; A. Centrae 2011-4-23 Placer Two miles north of the city of Lincoln, off Hwy 62. 45 Comment
  JEPS85079  Gypsophila elegans var. elegans Cheri Wetzel 1985-1 Placer ca 1 mi e Tahoe City (n shore of Lake Tahoe, Rocky Ridge Condominiums); n shore of Lake Tahoe Comment
  SCFS1202  Hackelia nervosa E. Krimmel 2014-4-21 Placer 200 yards south of Pt. Mariah warming hut Comment
  SEINET12618563  Hackelia nervosa I. R. Miller 1934-5-20 s.n. Placer Lake Tahoe, near Homewood. Comment
  POM72072  Hackelia velutina Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD22133  Hackelia velutina Rex Palmer 1979-7-25 N 807 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC24778  Hackelia velutina Mrs. M. M. Hardy 1893-1 Placer Comment
  POM359761  Helenium puberulum Wm. Martin 1971-9-10 20238 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  SCFS1114  Helianthella californica E. Krimmel 2013-6-13 Placer NFAm. Split stop #2. On trail to Heath Falls Overlook. Comment
  UC1069450  Helianthella californica subsp. nevadensis B. Bolt 1934-7-11 95 Placer Cascade Lakes Tahoe National Forest, Truckee Quadrangle Comment
  CAS-BOT-BC314783  Helianthella californica var. nevadensis Peter Rubtzoff 1976-9-19 8871 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  CDA17019  Helianthus bolanderi G. F. Hrusa 2002-7-3 s.n. Placer Northern California; Hughes Mill (site). On wet serpentine. 1066 Comment
  SEINET9343148  Herniaria hirsuta Unknown 2010-6-26 16373 Placer Sierra Nevada Mountains Foothills Comment
  UC112844  Hesperochiron californicus Katharine Brandegee July 1908 Placer banks of Yuba R. a mile or so above Cisco; Yuba R. Comment
  UC635580  Hesperochiron californicus H. L. Mason 1933-5-28 7241 Placer Tahoe Meadows Comment
  UC672368  Hesperochiron californicus Herbert L. Mason 1926-5-29 3298 Placer Placer Co. Public Camp Ground Comment
  CAS-BOT-BC123626  Hesperochiron latifolius Albert Kellogg s.n. Placer Cisco Comment
  JEPS71648  Hesperochiron pumilus Gladys L. Smith 1972-6-18 3158 Placer Alpine Meadows 2072 Comment
  UCD21703  Heterotheca villosa Beth Lowe Corbin 1982-8-13 346 Placer 3/4 mile west of The Cedars, in meadow. Ray and disc flowers yellow. Mostly sun. South facing slope, 15% incline. Occasional. 1676 Comment
  UC1127197  Heuchera G. T. Nordstrom 1934-6-18 106 Placer n slope of Texas Hill; Tahoe National Forest 1584 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
  CAS-BOT-BC319602  Hieracium albiflorum John H. Thomas; Hazelle A. Thomas 1956-7-21 6204 Placer Vicinity of Donner Pass about 80 iles northeast of Sacramento, Sierra Nevada 2377 Comment
  CAS-BOT-BC319603  Hieracium albiflorum Alice Eastwood 1909-1-1 193 Placer Sunnyside Comment
  UCD132317  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS7097  Hieracium argutum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, et al. 1952-7-19 3855 Placer along river directly below Cape Horn (1/2 mi upstream from the bridge on the Colfax-Iowa Hill Road); North Fork of the American River 381 Comment
  JEPS71817  Hieracium horridum Gladys L. Smith 1972-8-25 3419 Placer se-facing slope Granite Chief 2651 Comment
  SEINET11259328 Image available Hieracium horridum W. D. Billings 1951-8-21 2148 Placer E. side of Granite Chief, Sierra Nevada 2621 Comment
  CDA42827  Hirschfeldia incana G. F. Hrusa, M. Pitcairn 2015-7-16 18650 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  JEPS38265  Holocarpha virgata subsp. virgata J. W. Blankinship 1909-9-13 Placer Roseville Comment
  SACT001302  Hordeum brachyantherum D. Meyer 1983-8-7 Placer 2000.0 Comment
  SACT001303  Hordeum brachyantherum D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT001310  Hordeum brachyantherum Michael Baad 1976-8-4 Placer Banks of creek amoung rocks and in gravel beside creek, white fir forest with openings. 1975.0 Comment
  SACT001311  Hordeum brachyantherum D. Meyer 1983-8-7 Placer Near gate leading into ski area parking lot moist meadow with many sedges. 2073.0 Comment
  UCD44015  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1381 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SACT001323  Hordeum californicum D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City Shooping center near lake shore. 1891.0 Comment
  SACT001322  Hordeum californicum Josephine Van Ess 1980-6-20 Placer Collected on south side of road east of parkingarea about 1.25 mile east of highway. 4146.0 Comment
  CAS-BOT-BC285073  Hordeum marinum subsp. gussoneanum John Thomas Howell; Gordon H. True 1971-5-26 47618 Placer Northern limits of Lincoln 48 Comment
  UC1132516  Hordeum marinum subsp. gussoneanum N. French 1933-5-5 43 Placer sw Rattlesnake Bridge; Sacramento Quad. Comment
  UCR249586  Hordeum murinum George K. Helmkamp, Amy Barnes 2013-3-28 20284 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  UCD86534  Hordeum vulgare Beecher Crampton 1957-5-7 3982 Placer Along US Hwy. 99E, 3.2 miles N of Roseville. Comment
  POM250771  Horkelia fusca subsp. parviflora D. D. Keck 1938-8-10 s.n. Placer Tahoma Resort, Lake Tahoe. 1905 Comment
  RSA35116  Horkelia fusca subsp. parviflora L. S. Rose 1944-7-13 44102 Placer Chambers Lake, Lake Tahoe. 1921 Comment
  UC860223  Horkelia fusca subsp. parviflora A. A. Heller 1917-8-15 12939 Placer lower end Summit Valley (Soda Springs Station) 2042 Comment
  JEPS44569  Horkelia fusca subsp. parviflora C. F. Sonne 1887-6-1 81 Placer sierra nevada mountains Comment
  UC329974  Horkelia fusca subsp. parviflora Lemmon May 1889 Placer Tahoe Lake Valley Comment
  CAS-BOT-BC537859  Horkelia fusca var. parviflora James R. Shevock 1985-8-9 11339 Placer W'tern slope of N'thern Sierra Nevada: Tahoe Nat'l Forest, Granite Chief Wilderness, along trail 16E10 in Picayune Valley 2050 Comment
  CAS-BOT-BC537861  Horkelia fusca var. parviflora Alice Eastwood 1912-6-15 454 Placer Lake Tahoe region: Deer Park Comment
  SEINET6767889  Horkelia tridentata M. J. Williams 1986-6-19 86- 64 -3 Placer Sierra Nevada; S of I-80, near Cisco Grove. 1743 Comment
  UC860235  Horkelia tridentata subsp. tridentata Marcus E. Jones 1882-5-27 3291 Placer Emigrant Gap Comment
  UCR191078  Horkelia tridentata subsp. tridentata George K. Helmkamp, E. A. Helmkamp 2007-5-23 12061 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  CAS-BOT-BC206149  Hosackia crassifolia Lowell Ahart 1972-7-7 s.n. Placer French Meadows 1524 Comment
  SEINET7716723  Hosackia crassifolia Unknown 1888-7-14 Placer Summit Soda Comment
  UCD106043  Hosackia pinnata R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax, CA. Comment
  UCD106044  Hosackia pinnata R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax, CA. Comment
  CAS-BOT-BC312747  Hymenoxys hoopesii Emily McPherson; Arnold Tiehm; Margaret Williams No date on label 74 -P1-43 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 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
  UC303559  Hypericum concinnum unknown Aug. 1894 Placer Auburn Comment
  UCR200866  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14120 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  CAS-BOT-BC410214  Hypericum concinnum L. S. Smith 1926-5-25 56275 Placer Mosquito Ridge below Dellar Camp, Tahoe Forest 1219 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
  JEPS111214  Hypericum formosum var. scouleri Steve Matson 2005-7-4 1380 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; 39.2870 N, 120.1399 W: elevation 5,900 ft. 1798 Comment
  UC54890  Hypericum formosum var. scouleri Chesnut and Drew 1899-8-8 Placer Cascade Lake Tahoe Region, Cascade Comment
  RSA458263  Hypericum perforatum Wm. Martin 1971-9-10 20246 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  RSA458264  Hypericum perforatum Wm. Martin 1971-9-10 20281 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UC871940  Hypericum perforatum Kate E. Phelps 1937-5-25 Placer Applegate Comment
  CDA37226  Hypochaeris glabra CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS111141  Hypochaeris glabra Steve Matson 2005-4-17 1217 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  SEINET3167476  Hypochaeris glabra R. W. Spellenberg, N. Zucker 2010-4-16 14154 Placer N edge of Lincoln along Hwy. 65 45 Comment
  UCR257567  Hypochaeris glabra George K. Helmkamp, Amy Barnes 2014-4-23 22772 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UC1123682  Ipomopsis aggregata N. French 1934-6-22 451 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle 2286 Comment
  UCD118224  Ipomopsis aggregata Mrs. Raus 1935-7-10 s.n. Placer Lake Tahoe. Comment
  JEPS26024  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer 1.5 mi s Homewood (along state hwy 89) 1889 Comment
  UC1249640  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer ca 1.5 mi s Homewood (along state hwy 89) Comment
  UC23473  Ipomopsis congesta C. J. Fox Jr. 1895-7-1 Placer near Squaw Peak Comment
  CAS-BOT-BC133612  Iris hartwegii Saichi Kawahara 1969-5-24 863 Placer Strawberry Flat, Henderson Ranch, east bank of Indian Creek 999 Comment
  UC147647  Iris hartwegii Harriet A. Walker 1908-6-24 1245 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC133613  Iris hartwegii G. E. Poore 1913-4-30 188 Placer Tahoe National Forest, Quaker Hill Comment
  SEINET4170704  Iris hartwegii Unknown 1974-5-25 41 Placer Mosquito Ridge Road , 5.2 miles east of Foresthill , 975 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
  UCR257151  Iris hartwegii subsp. hartwegii George K. Helmkamp, Amy Barnes 2014-4-23 22789 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UC614450  Iris tenuissima L. Constance, J. L. Morrison 1938-4-30 2173 Placer edge of Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  UCD37749  Iva axillaris Beecher Crampton 1961-9-27 6018 Placer Blue Canyon. 1430 Comment
  JEPS111316  Ivesia gordonii Steve Matson 2005-7-30 1424 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), on steep east facing slope below ridgetopl: 39.1886 N, 120.2773 W ; elevation 8,700 ft. 2651 Comment
  JEPS71902  Ivesia gordonii Gladys L. Smith 1972-8-25 3410 Placer trail to Granite Chief (about the base of Watson Memorial) 2590 Comment
  SEINET11907304  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 Placer Tinker Knob 2743 Comment
  UCR209018  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer Sacramento Valley, along CA-193, 5.3 miles east of Lincoln 123 Comment
  JEPS120278  Juncus acuminatus Barbara Ertter with R. K. Brummitt, K. VanZuuk, S. Namoff 2012-6-12 21029 Placer Placer NF Road 3004-6 several miles south of Michigan Bluff Road, 3--4 airmiles ENE of Foresthill 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
  UCD38905  Juncus articulatus subsp. articulatus Beecher Crampton 1959-7-23 5429 Placer Behind Placer Hills School, Meadow Vista. 533 Comment
  UCD141348  Juncus balticus subsp. ater L. S. Smith 1916-6-19 642 Placer Squaw Valley. 1889 Comment
  CHSC68034  Juncus bufonius var. bufonius James D. Jokerst 1986-4-14 2618 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  CHSC74021  Juncus bufonius var. occidentalis Susi Urie 1998-9-1 98 179 B Placer Lake Tahoe Basin Management Unit - Forest Service. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CDA12391  Juncus chlorocephalus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8519 A Placer Lake Tahoe; N side of Ward Valley 4 mi SW Tahoe City. Comment
  CHSC67758  Juncus chlorocephalus James D. Jokerst 1986-7-13 2708 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  CHSC89803  Juncus covillei G. F. Hrusa; J. Glazner 2000-7-1 15597 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
  CAS-BOT-BC176419  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass quadrangle, 15 minute series). At Serene Lakes Lodge. Comment
  CDA24987  Juncus ensifolius J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC74458  Juncus ensifolius Susi Urie; Eric Schroder 1998-9-9 98 -311 Placer Lake Tahoe Basin--National Forest. On south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CHSC81836  Juncus ensifolius Lowell Ahart 2001-10-10 9350 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  UCD141530  Juncus ensifolius G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12647 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  JEPS74121  Juncus ensifolius L. S. Smith 1916-8-21 734 Placer Gray Horse Valley Truckee Region 1828 Comment
  CHSC74023  Juncus nevadensis Susi Urie 1998-9-1 98 -178 Placer Lake Tahoe Basin--National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74024  Juncus nevadensis Susi Urie 1998-8-17 98 -057 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. Narrow meadow stringer. 2097 Comment
  CHSC81837  Juncus nevadensis Lowell Ahart 2001-10-10 9349 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  SEINET9318019  Juncus nevadensis Unknown 1999-7-17 15179 Placer Martis Valley, CA (Lat. 39deg18'39") Comment
  CDA16994  Juncus orthophyllus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16047 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCD21851  Juncus parryi Rex Palmer 1979-6-19 N 225 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43385  Juncus triformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 753 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC67855  Juncus uncialis James D. Jokerst 1986-4-14 2625 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. In vernal pools. Comment
  UCD44602  Juncus xiphioides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1968 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  NY21827  Juniperus californica M. E. Jones 1882-1 5623 Placer Soda Springs Comment
  UCD22296  Kelloggia galioides Rex Palmer 1979-7-26 N 812 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22299  Kelloggia galioides Beth Lowe Corbin 1982-8-2 153 Placer Onion Creek campground. In fine, sandy, granitic soil. Perennial herb with slender rhizomes; flowers white. Mostly shade. South facing slope. Locally clumped, but uncommon. 1841 Comment
  UCD74256  Kelloggia galioides Jennifer W. Burt 2005-8-30 98 Placer Olympic Hill' abandoned ski run (near Granlibakken resort off Hwy 89 in Tahoe City) - collected from adjacent coniferous forest. 2034 Comment
  CAS-BOT-BC180847  Kochia scoparia Beecher Crampton 1969-10-9 8519 Placer Interstate Highway 80 westbound between Yuba and Emigrant Gaps Comment
  SACT001427  Koeleria phleoides Josephine Van Ess 1980-4-23 Placer Collected at intersection with Taylor Road. Weedy area, near building. 121.9 Comment
  SACT001426  Koeleria phleoides Josephine Van Ess 1983-5-20 Placer collected along old GG grade west of highway 49 crossing of American River a short way edge of trail Comment
  SACT001428  Koeleria phleoides Josephine Van Ess 1979-5-9 Placer Collected along old railroad grade west of Highway 49 in vicinity of first trestle. Comment
  RSA0087952  Kopsiopsis strobilacea William Overton 1977-6-4 s.n. Placer Across tracks ca. 100 yards, on Secret Town Road, 0.9 mile from junction with Magra Road (which is northwest of the Magra Road-Secret Town offramp of Interstate 80), between Colfax and Gold Run. Comment
  UCR208600  Kumlienia hystricula George K. Helmkamp, E. A. Helmkamp 2009-5-7 14630 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  JEPS60686  Kumlienia hystricula R. E. Arp 1932-4-18 12 Placer a few mi above Auburn 457 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
  HSC82238  Lasthenia californica Thomas W. Nelson 1979-4-10 4583 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UC30448  Lasthenia californica H. N. Bolander 1865-4-13 4572 Placer New Castle Comment
  CHSC96472  Lasthenia fremontii Lowell Ahart; Brian Williams 2007-4-13 13631 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CAS-BOT-BC353497  Lasthenia fremontii Brandegee No date on label s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  CAS-BOT-BC257633  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
  CHSC84543  Lathyrus angulatus John Dittes 2003-5-25 2003 -29 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 39 Comment
  RSA406667  Lathyrus jepsonii subsp. californicus Fay A. MacFadden 1934-3-31 12452 Placer Dutch Flat Comment
  UCD33742  Lathyrus latifolius Beecher Crampton 1972-7-26 8854 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  SEINET5327309  Lathyrus latifolius A. Allen 1950-4-29 26 Placer 9 mi from Folsom on Loomis Folsom road, 244 Comment
  SEINET3828328  Lathyrus nevadensis subsp. nevadensis George K. Helmcamp, E. A. Helmkamp 2012-1 18930 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road. Georgetown 7.5. 778 Comment
  UCD15487  Lathyrus sulphureus Greg Cohler 1984-5-26 9 Placer 16 miles E. of Forest Hill Rd. on F.S. 97. 914 Comment
  UCD77803  Legenere limosa Robert E. Preston 2002-5-3 1787 Placer around 3 miles ssw of Lincoln, north of Orchard Creek 35 Comment
  SEINET3402462  Leontodon saxatilis R. W. Spellenberg, N. Zucker 2011-4-15 14274 Placer Along CA Hwy. 65 1.5 km N of Lincoln, ca. 40 air km NE of Sacramento. 55 Comment
  SEINET3167471  Leontodon saxatilis subsp. longirostris R. W. Spellenberg, N. Zucker 2010-4-16 14153 Placer N edge of Lincoln along Hwy 65 45 Comment
  UCR222551  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2010-4-17 15896 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area 305 Comment
  CAS-BOT-BC88772  Lepidium appelianum K. L. Stark; J. C. Henderson 1978-8-3 s.n. Placer Highway Marker 50.00, north side of west bound lanes, Interstate 80, northeast of Baxter. Comment
  CAS-BOT-BC88834  Lepidium campestre John Thomas Howell; Gordon H. True 1968-6-9 44513 Placer Sierra Nevada. Alta. 1066 Comment
  CDA15670  Lepidium densiflorum G. F. Hrusa, J. Glazner 1999-7-18 15217 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD115693  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer 1 sq. rd. infestation along S.P.R.R. tracks, 3/4 mi. n.e. of Loomis. Comment
  UCD115694  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer 1 sq. rd. infestation along S.P.R.R. tracks, 3/4 mi. n.e. of Loomis. Comment
  CAS-BOT-BC89731  Lepidium latifolium J. C. Henderson 1970-7-30 s.n. Placer Loomis. 118 Comment
  SEINET5326387  Lepidium nitidum A. Tiehm, Hugh Mozingo; Margaret Williams; Emily McPherson 1975-1 603 Placer One mile north of Lincoln Comment
  CDA32946  Lepidium nitidum P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  CHSC96508  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
  CHSC72872  Lepidium virginicum var. pubescens L. P. Janeway; Eric Schroder 1998-7-13 5749 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCR191090  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12323 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCR229544  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17864 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
  UC10691  Lesquerella occidentalis subsp. occidentalis C. F. Sonne June 1887 Placer Rocky Peak on Truckee River Truckee River; Sierra Nevada Mountains, Rocky Peak on Truckee River Comment
  UC306181  Lessingia leptoclada Mrs. Mary E. P. Ames Sept., 1894 Placer Linden Heights Auburn Comment
  CAS-BOT-BC334599  Leucanthemum vulgare Peter H. Raven 1956-8-4 9982 Placer Blue Canyon, Sierra Nevada 1432 Comment
  JEPS16971  Leucanthemum vulgare Peter H. Raven 1956-8-4 9982 Placer Blue Canyon; Sierra Nevada 1432 Comment
  UCR247347  Leucothoe davisiae T. C. Fuller 1973-8-23 19982 Placer Sierra Nevada Mtns., just SE of Robinson Flat Guard Station 2165 Comment
  CHSC73002  Ligusticum grayi L. P. Janeway 1998-8-6 5991 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 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
  SEINET8465195 Image available Ligusticum grayi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15232 Placer Sierra Nevada Mountains; Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UC573559  Ligusticum grayi B. Bolt 1934-7-16 123 Placer 1/2 mi. s. Lost Emigrant Mine (Tahoe Nat'l Forest); , Truckee Quad. Comment
  UCR218237  Lilium humboldtii subsp. humboldtii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16442 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  CAS-BOT-BC130774  Lilium pardalinum Lena E. Bowley 1941-6-1 s.n. Placer Colfax Comment
  UCD22052  Lilium parvum Beth Lowe Corbin 1982-8-16 351 Placer 1/2 mile NW of Onion Creek Campground. 2011 Comment
  CAS-BOT-BC508487  Lilium parvum W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  SEINET7725732  Lilium washingtonianum Unknown Placer Summit Comment
  UC3750  Lilium washingtonianum subsp. washingtonianum C. F. Sonne Jul 1886 Placer canyon on Truckee River; Sierra Nevada Mountains Comment
  UC907584  Limnanthes alba Alice Williams 1946-5-15 5 Placer meadow across road from Harold's Rock Station (0.5 mi e of Weimar Post Office on US 40) Comment
  SD243171  Limnanthes floccosa subsp. californica George K. Helmkamp, E. A. Helmkamp 2011-4-10 17151 Placer Sacramento Valley: along Riosa road at the east edge of the village of Sheridan. 41 Comment
  CAS-BOT-BC246054  Limosella aquatica Ira L. Wiggins 1933-8-21 6788 Placer Shores of Lake Tahoe, near Tahoma Comment
  UCD162577  Limosella aquatica Steve Matson 2003-6-9 792 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek, vernal pool. 1780 Comment
  UC30173  Linanthus bicolor H. N. Bolander 1865-1 4568 Placer Auburn Comment
  UCR222895  Linanthus bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-17 15899 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill 308 Comment
  UCR253121  Linanthus bicolor George K. Helmkamp, Amy Barnes 2014-4-23 22819 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  UC880322  Linanthus bolanderi C. L. Hitchcock 1940-5-15 6407 Placer 6 mi n Colfax Comment
  RSA0012085  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17892 Placer 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
  UC572434  Linanthus ciliatus N. French 1934-6-22 483 Placer 0.5 mi w Lake Van Norden 2133 Comment
  UC30146  Linanthus filipes H. N. Bolander 1865-1 4567 Placer Auburn 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
  SEINET9333463  Linanthus harknessii George Hrusa, Glazner, J. 1999-7-17 15153 Placer Martis Valley Comment
  OBI60157  Lipocarpha micrantha David J. Keil, with Kathleen A. Keil 1999-7-17 28378 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  CAS-BOT-BC36570  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-11 1731 Placer 8 miles west of Emigrant Gap 1371 Comment
  RSA123004  Lithocarpus densiflorus var. echinoides N. H. French 1933-8-24 95 Placer Mosquito Ridge. 1524 Comment
  RSA1952  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-11 991 Placer 8 mi. west of Emigrant Gap. 1372 Comment
  UC1135297  Lithocarpus densiflorus var. echinoides N. French 1933-8-24 95 Placer Mosquito Ridge; Tahoe National Forest, Colfax Quad. 1524 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
  UC858169  Lithophragma glabrum Alice Eastwood Jun 15 1912-Jun 19 1912 376 Placer Deer Park; Lake Tahoe Region, Deer Park Comment
  UCD22322  Lithophragma glabrum Rex Palmer 1979-6-20 N 323 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC441139  Lithophragma parviflorum G. L. Stebbins 1978-5-28 7891 Placer East end of Ralston Ridge 1554 Comment
  UCSB25992  Lithospermum californicum Morley, Thomas 1946-5-11 Placer 100 yards northwest of Southern Pacific railroad tracks; 1/2 mile east of Dutch Flat station Comment
  CAS-BOT-BC283556  Lolium John Thomas Howell; Gordon H. True 1971-5-26 47619 Placer N limits of Lincoln 48 Comment
  CDA37060  Lolium multiflorum CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA15458  Lolium perenne D. Mitani 1999-3-31 PDR 1223619 Placer Sierra Nevada; Winchester Country Club golf course, Meadow Vista. 0 Comment
  CDA19561  Lomatium M. I. Wibawa, G. F. Hrusa (16043), J. Glazner 2002-5-22 246 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. scattered, 1066 Comment
  UCSB32282  Lomatium caruifolium Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  JEPS16109  Lomatium dissectum var. multifidum L. S. Smith 1920-5-22 1603 Placer s. Truckee (Martis Creek, Antelope Valley); Tahoe Forest, Antelope Valley, Martis Creek 1981 Comment
  JEPS126340  Lomatium grayi Steve Matson 1998-6-14 245 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 60 yards north of Highway 267, 500 yards west of Martis Creek. Comment
  UCR209007  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14628 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  SEINET9675004  Lomatium utriculatum M. Dailey 1959-4-12 11 Placer 4 miles east of Roseville on the north side of U.S. Highway 40. 76 Comment
  UC1125222  Lonicera conjugialis N. French 1934-6-8 404 Placer Cisco Butte Tahoe National Forest, Colfax Quadrangle Comment
  SEINET12328859  Lonicera conjugialis J. H. Nishida 1985-1 789 Placer Homewood 1829 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
  UC864816  Lotus humistratus C. L. Hitchcock 1940-5-14 6382 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  CDA36893  Lotus micranthus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UC1129097  Lotus micranthus N. French 1933-6-5 66 Placer East Rocklin Sacramento Quad. 91 Comment
  UCR208602  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14620 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  JEPS111130  Lotus micranthus Steve Matson 2005-4-17 1223 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  RSA763956  Lotus nevadensis Robert M. Rhode, Barbara Nemeth 1997-6-26 163 Placer Blackwood Creek Canyon (c. 4 miles south of Tahoe City). Near Blackwood Creek Canyon Road, about 0.4 mile west of turnoff from Highway 89. 1921 Comment
  UC15725  Lotus oblongifolius var. oblongifolius Mrs. M. M. Hardy 1893-1 Placer Comment
  RSA756852  Lotus pinnatus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15210 Placer Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  UCR146925  Lotus purshianus Beecher Crampton 1959-7-23 5423 Placer Sacramento Valley, 6 miles north of Folsom 122 Comment
  UC1129126  Lotus scoparius N. French, R. Clar 1933-6-6 75 Placer near Rattlesnake Bridge (locally near the American River); Sacramento Quad. 609 Comment
  POM27032  Lotus unifoliolatus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SCFS1216  Lupinus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  CAS-BOT-BC198368  Lupinus albifrons G. Earnhart 1961-3-18 9 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  UCR172652  Lupinus albifrons var. albifrons George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10195 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
  CDA19552  Lupinus albifrons var. collinus M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 249 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
  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
  CDA27376  Lupinus apertus T. C. Fuller 1973-8-23 19983 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  UC170081  Lupinus arbustus var. arbustus Helen D. Geis 1912-6 68 Placer Deer Park Comment
  SEINET4560789  Lupinus argenteus var. argenteus George K. Helmkamp, E. A. Helmkamp 2011-1 18162 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill. 1402 Comment
  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
  UCR250592  Lupinus benthamii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20362 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
  SD43600  Lupinus bicolor Darley F. Howe 1948-5-22 Placer Placer County 609 Comment
  UCR249528  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCR257597  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-3-21 22644 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  SEINET8042255  Lupinus grayi A. Allen 1950-4-29 45 Placer Highway 40, 2 miles above Glen Alder following a sharp curve to left, 914 Comment
  UCD108133  Lupinus latifolius F. A. MacFadden 1934-7-9 s.n. Placer Near flume below Emigrant Gap. Comment
  UC865253  Lupinus lepidus Marcus E. Jones, A. M. 1882-4-28 3305 Placer Emigrant Gap Comment
  UCD108413  Lupinus lepidus var. confertus L. S. Smith 1916-6 417 Placer Squaw Valley. Comment
  JEPS111286  Lupinus lepidus var. lobbii Steve Matson 2005-7-30 1421 Placer Squaw Valley ski area, 1 km WSW of High Camp (top of tramway): 39.1937 N, 120.2647 W; elevation 8,100 ft. 2468 Comment
  SJSU10719  Lupinus lepidus var. lobbii R. L. Fisher 1957-8-5 Placer Emigrant Meadow 3 mi S of Norden at headwaters of S Fork Yuba R 2286 Comment
  SEINET8051739  Lupinus lepidus var. lobbii M. J. Williams 1966-7-11 55 Placer Sierra Nevada, Luther Ridge, above Jamison creek 2286 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
  JEPS65065  Lupinus lepidus var. sellulus C. F. Sonne 1886-8-16 54 Placer Mt. slopes above Coldstream; Sierra Nevada Mountains, above Coldstream 2438 Comment
  UCD83615  Lupinus lepidus var. sellulus Albert Grigarick 2009-8-20 182 Placer E of Truckee, on S end of Martis Creek Reservoir. 1775 Comment
  UCR171401  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp 2005-9-30 9964 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  UCR173787  Lupinus microcarpus var. microcarpus George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10715 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
  CDA19539  Lupinus nanus M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 257 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
  JEPS65389  Lupinus nanus R. E. Arp 1932-4-18 1 Placer Roseville Comment
  UCD109016  Lupinus nanus G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10131 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  UCR235395  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  UCR250172  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20484 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
  RSA761030  Lupinus nanus Barbara Ertter, David Thompson 1989-4-9 8188 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  UCD22085  Lupinus polyphyllus Rex Palmer 1979-7-26 N 835 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA413833  Lupinus polyphyllus subsp. polyphyllus Wm Vortriede 1928-1 s.n. Placer Lake Tahoe Comment
  UCD144418  Lupinus stiversii G. F. Hrusa 1995-5-20 12183 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  SEINET10451517  Lupinus superbus var. bernardinus L. S. Smith 1938-7-22 Smith s.n. Placer Tahoe National Forest. Squaw Valley. Comment
  POM265980  Lupinus vallicola subsp. vallicola C. Leo Hitchcock 1940-5-4 6388 Placer Meier Ranch, ca 6 miles north of Colfax. 762 Comment
  CDA33222  Luzula comosa Jim Jokerst 1986-7-13 2721 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, in Sheet Valley. Comment
  UC842058  Luzula divaricata A. A. Heller 1917-8-14 12930 Placer near the crest Mount Lincoln s Summit Valley; Mount Lincoln s of Summit Valley 2499 Comment
  UCR173733  Madia citrigracilis George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10703 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  CAS-BOT-BC342660  Madia citriodora K. Curran 1883-4-1 s.n. Placer Roseville Comment
  CAS-BOT-BC342835  Madia glomerata H. M. Hall 1910-6-26 8746 -A Placer Sierra Nevada Mountains. Cisco Comment
  POM284947  Madia glomerata Lyman Benson 1932-7-31 4022 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  SEINET11601369 Image available Madia glomerata C. Rivas, M. Koski 2009-8-24 NV 030 -277 Placer Onion Creek, approx 4 miles after end of pavement on Soda Springs Road Comment
  UCD134265  Madia glomerata G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12646 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  UCR170793  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2005-9-30 9956 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR240967  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19919 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  UCR250604  Madia gracilis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20495 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  JEPS59498  Madia gracilis Ezra Brainerd and Viola B. Baird 1915-7-23 252 Placer e of Tahoe City (along the shore of Lake Tahoe); Sierra Nevada Mts., Lake Tahoe 1905 Comment
  UCD22055  Maianthemum racemosum Rex Palmer 1979-6-8 N 122 Placer Headwaters basin area of the North Fork of the American River Comment
  UC1613937  Malacothrix Charles M. Belshaw 1935-6-18 1004 Placer near Baxter's Hotel (between Colfax and Gold Run) Comment
  SD255788  Malva parviflora George K Helmkamp, Amy Barnes 2014-3-21 22642 Placer Sacramento Valley: Sheridan, Riosa Road at the west side of its junction with old CA-65 (Sheridan 7.5'Q) 32 Comment
  UC28955  Marah watsonii Bolander 4533 Placer Auburn Comment
  SEINET6166091  Marsilea vestita subsp. vestita J. T. Howell 1961-9-25 36949 Placer Feather River bed, Portolla 1478 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
  UCR171351  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2005-9-30 9967 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  UCR258547  Medicago orbicularis George K. Helmkamp, Amy Barnes 2013-3-28 20234 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  UCD160961  Melica G. Ledyard Stebbins 1978-5-29 78103 Placer El Dorado National Forest. Little Crater above Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD36669  Melica aristata Beecher Crampton 1955-6-15 2905 Placer Placer County, Yankee Jims. 807 Comment
  CAS-BOT-BC269217  Melica aristata California Academy of Sciences 1870-6-10 s.n. Placer Cisco/Sierra Nevada Comment
  SEINET4671509  Melica aristata P. B. Kennedy, S. B. Doten 1901-8-15 294 Placer Talbots home camp 7 miles from French Meadows Comment
  JEPS75173  Melica bulbosa Gladys L. Smith 1972-6-20 3261 Placer Ward Peak 2590 Comment
  UCR208539  Melica bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14612 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 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
  SACT001492  Melica californica D. Meyer 1984-5-6 Placer On Garden Bar Road, riparian habitat. 182.0 Comment
  UCD86414  Melica californica A. A. Beetle 1941-5-26 2715 Placer Near Cisco. 914 Comment
  UCD87289  Melica fugax Mrs. H. P. Kelley 1915-6-19 s.n. Placer Squaw Valley. Comment
  CAS-BOT-BC282115  Melica geyeri Marcus E. Jones 1982-6-30 3553 Placer Emigrant Gap Comment
  UCD36652  Melica harfordii Beecher Crampton 1955-6-15 2872 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  UCD87488  Melica harfordii Beecher Crampton 1964-7-21 7129 Placer Blue Canyon. 1430 Comment
  SACT001556  Melica torreyana D. Meyer 1984-6-23 Placer 1 km from Interstate 80 Frontage Road, shady hillside with Oak and Douglass Fir 978.0 Comment
  SACT001558  Melica torreyana D. Meyer 1984-6-10 Placer 3.2 km southwest of Colfax, steep shady cliff along slowly moving stream 606.0 Comment
  SEINET3817935 Image available Melica torreyana George K. Helmkamp, E. A. Helmkamp 2012-5-5 18915 Placer Northern Sierra Nevada Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi SE (123degrees) of Clementine Dam on the American River (Auburn 7.5' Q. 396 Comment
  SEINET9262014  Melica torreyana George K. Helmkamp, Amy Barnes 2014-1 22799 Placer Sierra Nevada Mountains Foothills: Old auburn-Foresthill ROad 1.7 miles northeast of its junction with CA-49 at North Fork American River (Auborn 7.5 Q) 407 Comment
  UCD36655  Melica torreyana Beecher Crampton 1955-6-15 2876 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  UCR207884  Melica torreyana George K. Helmkamp, E. A. Helmkamp 2009-4-22 14579 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UC303589  Mentzelia congesta G. B. Grant July, 1906 7067 Placer Lake Tahoe Comment
  OBI48941  Mentzelia dispersa Lewis S. Rose 1938-9-14 38269 Placer Truckee River, 3 mi NW of Tahoe City 1829 Comment
  UC872428  Mentzelia montana Lewis S. Rose 1941-7-12 41313 Placer Lake Tahoe, Chambers Lodge (McKinney) 1920 Comment
  CAS-BOT-BC428681  Micranthes bryophora Richard Mc. P Brown 1961-7-6 s.n. Placer Near Sugar Bowl, Emigrant Meadow Comment
  SCFS5111  Micranthes californica F. Felix, Erica Krimmel 2013-5-19 5 Placer North Fork American River, 0.1 mile east of Heath Falls overlook, on trail Comment
  SEINET6033442  Micranthes californica J. Elder 1961-3-18 s.n. Placer 5 miles southeast of Auburn on wooded foothill above American River 366 Comment
  SEINET12220884  Micranthes tolmiei C. F. Sonne 1885-1 s.n. Placer Tinkers Knob, Sierra Nevada Mts 2743 Comment
  UC88372  Micropus californicus var. californicus Mrs. K. Brandegee Apr 1883 Placer Roseville Comment
  UC672252  Micropus californicus var. californicus H. L. Mason 1933-5-28 7236 Placer Tahoe-Colfax road three to four mi Colfax Comment
  UCD75962  Microseris nutans Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5228 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  JEPS127495  Microsteris gracilis Steve Matson 2002-5-26 520 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UCR194952  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12025 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  JEPS4597  Mimulus aurantiacus var. grandiflorus Matt Herbrand 1916-7-2 Placer Emigrant Gap Comment
  UC1278126  Mimulus aurantiacus var. grandiflorus B. Crampton 1955-6-15 2893 Placer 8.5 mi w Iowa Hill (bottom of canyon); Shirttail Canyon Comment
  UCD122322  Mimulus aurantiacus var. grandiflorus G. L. Stebbins Jr. 1952-6-22 5093 Placer 2 miles southeast of Colfax, north of bridge on road to Iowa Hill. 350 Comment
  UCD75935  Mimulus breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5160 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail between creek and trail. 2136 Comment
  JEPS71712  Mimulus breweri Gladys L. Smith 1972-6-18 3157 b Placer below Scott Peak 2072 Comment
  UCR190665  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12076 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UCR234212  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17170 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  RSA519035  Mimulus guttatus Barbara J. Ertter, David M. Thompson 1989-4-8 8173 Placer Iowa Creek Road, ca 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing. 518 Comment
Read comments
Jun 25 2013
  RSA0042077  Mimulus kelloggii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20346 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  JEPS111131  Mimulus kelloggii Steve Matson 2005-4-17 1222 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  RSA523467  Mimulus kelloggii W. L. Jepson 1938-4-5 18584 Placer Auburn, 2 mi e. on Placerville Road. Comment
  UC65859  Mimulus lewisii P. B. Kennedy 1901-8-10 269 Placer summit Soda Springs Comment
  UC445154  Mimulus microphyllus H. M. Hall 1910-6-28 8721 Placer opposite Cisco; Sierra Nevada Mts., Rattlesnake Creek 1828 Comment
  UCD122708  Mimulus microphyllus Bob Threlkel 1964-4-28 2 Placer Rocky Ridge Road, 5 miles northeast of Roseville. 304 Comment
  UC1035691  Mimulus moniliformis Kay H. Beach 1941-6-16 1135 Placer between Blue Canyon and Baxter (along highway 40); Sierra Nevada Mountains Comment
  UCD75683  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5132 a 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, near underdeveloped road that crosses the creek. 2106 Comment
  UCD75956  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5211 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2270 Comment
  RSA447983  Mimulus moschatus Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  UCD122789  Mimulus nanus var. jepsonii G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12057 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 11.1 miles northeast of Foresthill. Comment
  RSA569051  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD21889  Mimulus primuloides Rex Palmer 1979-7-9 N 451 Placer Onion Creek meadow #2. Comment
  RSA434710  Mimulus primuloides Fay A. MacFadden 1934-7-26 s.n. Placer Red Mountain Comment
  RSA434712  Mimulus primuloides Robert Kessler 1924-08 s.n. Placer Lake Tahoe. [County: Placer or El Dorado] Comment
  CDA15980  Mimulus primuloides subsp. primuloides G. F. Hrusa, J. Glazner 1999-7-17 15164 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  POM298032  Mimulus tilingii A. A. Heller 1917-8-13 12918 Placer Ridge northwest of Donner Pass. 2378 Comment
  POM9975  Mimulus tilingii E. Keyes 1920-8-21 s.n. Placer Ellis Meadow near Lake Tahoe. Comment
Read comments
Jan 1 2016
  JEPS8144  Mimulus torreyi W. L. Jepson 1918-8-20 8078 Placer Tahoe City Lake Tahoe 1905 Comment
  RSA420993  Mimulus torreyi Fay A. MacFadden 1934-7-9 12574 Placer Emigrant Gap. Comment
  UC569871  Mimulus torreyi G. T. Nordstrom 1934-6-22 157 Placer 1/2 mi ne Mammoth Spring; Colfax Quadrangle 1706 Comment
  RSA20893  Minuartia californica C. B. Wolf 1937-3-30 8356 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  CAS-BOT-BC432908  Mitella John H. Thomas; Hazelle A. Thomas 1956-7-21 6203 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UC1745630  Mollugo verticillata Annetta M. Carter 1945-11-4 1735 Placer 4.5 mi. NW of Roseville on road to Marysville Roseville; Sacramento Valley, Pleasant Grove Creek; Pleasant Grove Creek, 4.5 mi. NW of Roseville on road to Marysville. Sacramento Valley. Comment
  CAS-BOT-BC221667  Monardella candicans Marcus E. Jones 1882-7-4 3458 Placer Colfax Comment
  LA27283  Monardella odoratissima Lewis S. Rose; 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  CAS-BOT-BC222102  Monardella odoratissima subsp. pallida Lewis S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  CAS-BOT-BC222103  Monardella odoratissima subsp. pallida H. D. Ripley; R. C. Barneby 1948-7-13 98310 Placer Yuba Gap, Placer-Nevada Co. line 1828 Comment
  RSA751290  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2008-8-20 14030 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  SEINET4691694  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-1 16666 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  CAS-BOT-BC318591  Monardella odoratissima subsp. pallida Mrs. H. C. Cantelow 1938-7-2 2268 Placer 8 mi N of Auburn Comment
  RSA401652B  Monardella odoratissima subsp. pallida Julian P. Donahue 1976-7-4 s.n. Placer Blackwood Canyon, approx. 5 miles SW of Tahoe City 2134 Comment
  CAS-BOT-BC445125  Montia parvifolia Marcus E. Jones 1882-6-1 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC445126  Montia parvifolia Marcus E. Jones 1882-6-1 s.n. Placer Emigrant Gap Comment
  CDA15758  Muhlenbergia filiformis G. F. Hrusa, L. Serafini 1993-6-29 11250 Placer Common in dense mats 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. Annual. Comment
  POM114424  Muhlenbergia filiformis Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC579522  Muhlenbergia filiformis B. Bolt 1934-7-20 155 Placer Whiskey Hill Tahoe National Forest, Colfax Quadrangle 1645 Comment
  UCD36426  Muhlenbergia filiformis Beecher Crampton 1953-7-21 1536 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  UCD44571  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1937 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD75748  Muhlenbergia filiformis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5214 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2270 Comment
  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
  UC1069126  Nama lobbii B. Bolt 1934-7-17 125 Placer 1 mi ne of Sun Flower Hill (Tahoe National Forest, Truckee Quadrangle); Tahoe National Forest 2072 Comment
  UC128216  Nama lobbii Miss Harriet A. Walker 1908-7-26 1490 Placer Cisco 1828 Comment
  UCR237435  Narcissus poeticus George K. Helmkamp, E. A. Helmkamp 2012-2-23 18574 Placer Sacramento Valley, Nicolaus Road, 0.4 mile west of South Dowd Road, west of Lincoln 45 Comment
  RSA113797  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer Valley plain, Whitney Ranch, 6.8 miles N of Roseville Comment
Read comments
Dec 4 2013
  UCD22114  Navarretia breweri Rex Palmer 1979-6-21 N 385 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC74111  Navarretia capillaris Susi Urie 1998-8-11 98 -011 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  UC163971  Navarretia capillaris Mrs. Carlotta C. Hall 1910-6-25 8710 Placer Cisco 1850 Comment
  UCD36408  Navarretia crystallina Beecher Crampton 1953-7-21 1516 Placer Placer County, 1.5 miles east of Emmigrant Gap, along U.S. Highway 40. 1645 Comment
  UCD21616  Navarretia divaricata E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1265 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UC126077  Navarretia divaricata Katharine Brandegee 1908-7-17 Placer near Magda Station (along railway) Comment
  CAS-BOT-BC230291  Navarretia eriocephala Carl B. Wolf 1937-5-12 8618 Placer Sacramento Valley, 1 mile N of Lincoln 45 Comment
  JEPS70275  Navarretia eriocephala R. E. Arp 1932-4-28 6 Placer Roseville Comment
  RSA21275  Navarretia eriocephala C. B. Wolf 1937-5-12 8618 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  UC762161  Navarretia eriocephala R. F. Hoover 1939-5-10 4093 Placer 2 mi se Sheridan Comment
  SEINET3861932  Navarretia intertexta Genevieve K. Walden 2009-6-25 210 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  CHSC74245  Navarretia intertexta subsp. propinqua Susi Urie 1998-9-4 98 -256 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
  UC110968  Navarretia intertexta subsp. propinqua Katharine Brandegee Sep 1888 Placer Donner Comment
  RSA35119  Navarretia intertexta subsp. propinqua L. S. Rose 1944-7-26 44289 Placer Truckee River, 7 mi. N of Lake Tahoe 1799 Comment
  RSA84887  Navarretia leptalea L. S. Rose 1941-7-15 41319 Placer Chambers Lodge (McKinney), Lake Tahoe 1921 Comment
  SBBG58362  Navarretia leptalea A. A. Heller 1927-8-15 14445 Placer near the Yuba River, Cisco Comment
  SD38789  Navarretia leptalea Dr. De Forest 1931-5-4 2064 B Placer Crystal Lake Comment
  RSA562586  Navarretia leptalea subsp. bicolor Alva Day 1982-7-13 82 -72 Placer Soda Springs Rd. 1.7 mi. N of Chickering property. Comment
  UC572518  Navarretia leptalea subsp. leptalea N. French 1934-6-22 468 Placer Serena Lake Tahoe National Forest, Truckee Quad. 2407 Comment
  JEPS70379  Navarretia leucocephala R. E. Arp 1932-4-28 2 Placer Roseville Comment
  UCD39200  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer 2 miles north of Licoln. Sunnybrook Farm (Francheschi). Comment
  RSA29021  Navarretia leucocephala subsp. leucocephala Lincoln Constance 1941-5-28 2820 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  UC1124149  Navarretia tagetina C. R. Clar 1933-6-5 130 Placer sw Auburn Placer National Forest, Sacramento Quad., Auburn 243 Comment
Read comments
Jun 11 2013
  JEPS126331  Nemophila heterophylla Steve Matson 2006-4-23 1600 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  RSA0043190  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2010-4-23 15911 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  RSA75815  Nemophila heterophylla Lincoln Constance, J. L. Morrison 1938-4-30 2171 Placer At eastern edge of Applegate, Sierra Nevada foothills. 610 Comment
  UCD119915  Nemophila maculata Terri Williamson 1990-4-15 4 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  CDA19093  Nemophila maculata D. A. Mayhew 2001-3-19 s.n. Placer Sacramento Valley; NE of wet vernal pool, Aylesbury Way, Roseville. 0 Comment
  SEINET5520996  Nemophila menziesii L. Munker None 26 Placer Goldrun, US 40 West 411 Comment
  UCD120255  Nemophila menziesii var. menziesii J. L. Wirka 1995-5-19 s.n. Placer Near a road cut 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
  UC606979  Nemophila pedunculata L. Constance 1938-6-6 2278 Placer 6.5 mi w Cisco (Sierra Nevada); , w of Cisco 1584 Comment
  CDA15946  Nothocalais alpestris G. F. Hrusa, J. Glazner 1999-7-17 15154 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD39233  Odontostomum hartwegii Beecher Crampton 1955-6-15 2869 Placer Bunch Canyon Head. Comment
  UC1122248  Oenothera elata subsp. hirsutissima N. French, R. Clar 1933-6-20 80 Placer Mount Vernon Roadside Sacramento Quadrangle Comment
  UCD150707  Oenothera elata subsp. hookeri James A. Neilson Jr. 1971-8-16 2401 Placer Tahoe Basin, Chamberlands. 1905 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
  JEPS72368  Orobanche corymbosa subsp. corymbosa Gladys L. Smith 1972-8-25 3416 Placer Near base of Granite Chief. Comment
  JEPS72372  Orobanche fasciculata Gladys L. Smith 1972-6-20 3605 Placer Ward Peak, above Sherwood Forest. Comment
  UCR173258  Orobanche uniflora George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10446 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
  JEPS72698  Orogenia fusiformis Gladys L. Smith and Betsy Smith June 1971 3037 Placer 5 mi. w. Lake Tahoe (Alpine Meadows, foot of Ward Peak); Ward Peak, Alpine Meadows 2438 Comment
  UCR148840  Orthocarpus cuspidatus G. Fred Hrusa, J. Glazner 2001-7-15 15951 Placer Northern Sierra Nevada Mountains, Near summit of Crows Nest Peak, immediately west of Sugarbowl 2378 Comment
  UC194170  Orthocarpus cuspidatus subsp. cryptanthus C. F. Sonne 1884-8-10 Placer road to Lake Tahoe near Toll House; road to Lake Tahoe near Toll House Comment
  POM286516  Orthocarpus hispidus Lyman D. Benson 1932-7-31 4021 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  RSA99635  Orthocarpus linearilobus W. A. Weber, L. S. Rose 1953-5-19 8399 Placer 1 mi S of Auburn. 305 Comment
  SACT001684  Oryzopsis hymenoides Michael Baad 1976-8-25 Placer ridge of east Grouse Canyon 2499.0 Comment
  SEINET474026  Osmorhiza berteroi M. E. Jones 1882-6-29 Placer Emigrant Gap Comment
  UCD21670  Osmorhiza berteroi Beth Lowe Corbin 1982-8-6 271 Placer About 1/3 mile west of Onion Creek campground. In rocky, fine, sandy soil about 10 yards freom stream. Partial sun. South facing slope, 30% incline. Uncommon. 1920 Comment
  CDA15687  Osmorhiza occidentalis G. F. Hrusa, J. Glazner 1999-7-18 15238 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS126302  Osmorhiza occidentalis Steve Matson 1997-7-24 124 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. 200 yards wet of pavement. Comment
  UC398750  Osmorhiza occidentalis Katharine Brandegee 1917-1 Placer Cisco 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
  CAS-BOT-BC10503  Paeonia brownii Gregory Clark de Nevers 1995-8-20 10765 Placer Lake Tahoe. 2194 Comment
  UCD124126  Panicum acuminatum var. fasciculatum Ellen Dean; Marcel Rejmanek 2012-10-9 7500 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD36704  Panicum acuminatum var. fasciculatum Beecher Crampton 1955-7-13 2987 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD88218  Panicum acuminatum var. fasciculatum Beecher Crampton 1955-7-13 2987 Placer 3.5 miles east of Baxter, along U.S. Highway 40. 1432 Comment
  CAS-BOT-BC253674  Panicum capillare Catherine Best 1981-6-17 s.n. Placer Highway 80 Rest Stop near Gold Run 990 Comment
  JEPS102508  Panicum capillare Lowell Ahart 2001-10-10 9342 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 a 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1591 Comment
  UCD34185  Panicum dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Applegate. Comment
  SACT001638  Panicum hillmanii Josephine Van Ess 1976-6-7 Placer Collected about 3/8 mile west from Barton Road. Roadside bank next to irrigated orchard. 103.7 Comment
  SACT001646  Panicum pacificum Michael Baad 1977-6-9 Placer At junction of Middle Fork of American River and Rubicon River 365.76 Comment
  SACT001647  Panicum pacificum Michael Baad 1976-8-4 Placer At end of Jeep road, 2 miles east of Talbot Camp Northeast of Mildred Ridge 1975.0 Comment
  SACT001648  Panicum pacificum Michael Baad 1976-8-4 Placer Royal Gorge-Wabena Creek to Wild Cat Canyon Comment
  CDA7109  Parentucellia viscosa L. P. Janeway 2006-5-1 8593 Placer Sacramento Valley; Northeast side of Highway 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. Comment
  CAS-BOT-BC175506  Parnassia fimbriata Allen L. Chickering 1946-8-30 s.n. Placer On north slope of Granite Chief 2749 Comment
  POM142851  Parnassia fimbriata Allen M. Carpenter 1892-1 s.n. Placer [Unspecified] Comment
  POM264538  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mi north of Lincoln Comment
  CAS-BOT-BC258772  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CAS-BOT-BC258773  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  UC1618222  Pectocarya pusilla Barbara Ertter with David Thompson 1989-4-8 8172 Placer Iowa Creek Rd. ca. 2 mi. from I-80 near entrance to Auburn State Recreation Area (at creek crossing) 518 Comment
  CHSC73204  Pedicularis attollens L. P. Janeway; Eric Shroder 1998-9-16 6319 Placer Lake Tahoe Basin Management Unit. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. 2164 Comment
  JEPS59356  Pedicularis attollens Ezra Brainerd and Viola B. Baird 1915-7-7 101 Placer Squaw Valley; Sierra Nevada Mountains 1981 Comment
  POM298008  Pedicularis attollens A. A. Heller 1919-7-26 13315 Placer West of Donner Pass. 2073 Comment
  RSA463157  Pedicularis attollens Lyman Benson 1942-7-2 11261 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD18261  Pedicularis attollens E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 473 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  RSA401935  Pedicularis attollens Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  UC480747  Pedicularis groenlandica W. C. Blasdale 1923-7-15 Placer Ellis Peak; Lake Tahoe Regio Comment
  POM44038  Pedicularis semibarbata Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UC41748  Pedicularis semibarbata C. J. Fox Jr. July, 1895 Placer near Squaw Valley Comment
  UCR177127  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2005-10-1 9992 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
  UCR209726  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15454 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  SCFS11529162  Pellaea brachyptera E. Krimmel, F. Felix 2012-9-13 Placer North Fork, American River. Comment
  CAS-BOT-BC69381  Pellaea breweri C. F. Sonne 1885-7-12 320 Placer Mountains above Coldstream 2438 Comment
  RSA124754  Pellaea bridgesii John H. Thomas, Hazelle A. Thomas 1956-7-22 6223 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2134 Comment
  UCD69352  Pellaea bridgesii S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  SCFS1163  Penstemon E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. In roadside area at Chickering Meadow. Comment
  JEPS16351  Penstemon azureus Peter H. Raven 1956-8-4 10001 Placer dirt road n Emigrant Gap; Sierra Nevada, n of Emigrant Gap 1493 Comment
  SEINET9885426  Penstemon azureus David J. Keil 1978-1 12930 Placer Cisco Grove exit from I-80, just E of Nevada Co line; around South fork of Yuba River 1768 Comment
  UCR240895  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19208 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  RSA285686  Penstemon azureus subsp. azureus D. C. Michener 1981-7-16 4010 -B Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  UCR229537  Penstemon azureus var. azureus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17856 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
  UC1063380  Penstemon deustus H. S. Yates 1934-6-29 3901 Placer near Craigs; Tahoe National Forest, Truckee Quad. 1981 Comment
  UC565903  Penstemon deustus N. French 1934-6-22 439 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle Comment
  JEPS71736  Penstemon deustus var. pedicellatus Gladys L. Smith 1972-6-20 3226 Placer Ward Peak Ward Peak (steep exposed ridge from charilift terminus to ultimate summit peak) 2632 Comment
  CAS-BOT-BC264481  Penstemon heterodoxus var. heterodoxus Peter Rubtzoff 1976-9-19 8866 Placer Meadow adjacent to the E end of Lake Van Norden 2063 Comment
  CAS-BOT-BC248296  Penstemon laetus var. laetus George K. Helmkamp; E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  SD243212  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18190 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UCD69249  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
  SCFS1211  Penstemon newberryi E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  CAS-BOT-BC239277  Penstemon newberryi var. berryi L. S. Smith 1926-6-8 1902 Placer Tahoe National Forest, French Lake, rocky slopes east side 2133 Comment
  UC565930  Penstemon newberryi var. newberryi N. French 1934-5-24 369 Placer north Fork of North Fork of American River 1341 Comment
  JEPS15336  Penstemon roezlii N. French 1934-5-28 372 Placer 1 1/2 mi w Black Mountain; Tahoe National Forest, Colfax Quad., w of Black Mountain 1767 Comment
  NY650155  Penstemon roezlii H. D. D. Ripley 1948-7-13 9822 Placer Southwest of Emigrant Gap 1676.4 Comment
  POM44791  Penstemon roezlii Marcus E. Jones 1882-7-1 3434 Placer Emigrant Gap. Comment
  UCR246825  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16647 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  CAS-BOT-BC239582  Penstemon rydbergii var. oreocharis Alice Eastwood 1909-1-1 39 Placer Lake Tahoe Region, Sunnyside Comment
  CHSC74279  Penstemon rydbergii var. oreocharis Susi Urie 1998-8-27 98 -119 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD164637  Pentagramma triangularis subsp. triangularis Brandi Sorensen 1995-6-1 27 Placer .73 kilometers northwest of Colfax. 671 Comment
  SCFS1219  Perideridia E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top meadow, 7500-ft. Comment
  RSA459111  Perideridia bolanderi subsp. bolanderi Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  CHSC73911  Perideridia lemmonii Susi Urie 1998-8-26 98 -104 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 30 W']. 2121 Comment
  CHSC73913  Perideridia lemmonii Susi Urie 1998-9-1 98 -175 Placer Below Hwy 28, between the highway and lake Forest Road; about 0.3 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  CHSC73914  Perideridia lemmonii Susi Urie 1998-8-28 98 -147 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 11 W']. 2115 Comment
  CHSC74182  Perideridia lemmonii Susi Urie 1998-8-26 98 -113 Placer Eastern end of Page Meadows; abot 1.5 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 30 W']. 2121 Comment
  UCR201935  Perideridia lemmonii George K. Helmkamp, E. A. Helmkamp 2008-8-20 14032 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCD127956  Perideridia parishii subsp. latifolia F. A. MacFadden 1934-7-2 s.n. Placer American River, 1/2 mile east of Rawhide Mine. Comment
  UCD41261  Phacelia egena Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1718 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UCR189629  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2007-7-27 12637 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCR240916  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19241 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  SEINET5764677  Phacelia hastata var. compacta M. J. Williams 1985-7-6 85- 63 -5 Placer Pacific Crest Trail between old and new Donner Summits. Sierra Nevada. Comment
  SEINET5764709  Phacelia hastata var. hastata P. A. Lehenbauer 1934-6-10 s.n. Placer Near Homewood, Lake Tahoe Comment
  UCD43241  Phacelia heterophylla C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 610 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS2123  Phacelia humilis C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UCR80207  Phacelia humilis L. S. Rose 1946-6-23 46189 Placer Rainbow, north of Cisco 1738 Comment
  CAS-BOT-BC249047  Phacelia hydrophylloides George K. Helmkamp; E. A. Helmkamp 2010-7-28 16675 Placer Northern Sierra Nevada Mountains: Robinson Flat campground near the junction of Forest Hill Road and Soda Springs Road, 27 miles northwest of the city of Foresthill 2040 Comment
  JEPS126294  Phacelia hydrophylloides Steve Matson 2004-7-4 1071 Placer Tahoe north shore; Griff Creek Watershed above Kings Beach, CA; near junction of Gas Line Road and Griff Creek. Comment
  UCR207106  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2009-7-16 15231 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  SD44659  Phacelia imbricata Darley F. Howe 1951-5-1 2102 Placer 456 Comment
  JEPS21168  Phacelia marcescens N. French 1934-5-24 362 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  UC577901  Phacelia marcescens N. French 1934-5-24 362 (260) Placer north fork of North Fork of American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  UC881016  Phacelia mutabilis Marcus E. Jones, A. M. 1882-6-30 2813 Placer Emigrant Gap Comment
  UCR229536  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17857 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  SCFS5102  Phacelia mutabilis F. Felix, Erica Krimmel 2013-5-19 22 Placer North Fork American River, 0.5 mile east Heath Falls overlook, on trail Comment
  POM64823  Phacelia racemosa Katherine Brandegee 1908-7-15 s.n. Placer Cisco. Comment
  SEINET5506816  Phacelia racemosa K. Brandegee 1908-7-15 s.n. Placer Cisco Comment
  UC163979  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer type locality Cisco 1804 Comment
  CHSC40967  Phacelia vallicola J. D. Jokerst 1984-6-19 2057 Placer North of Long Canyon Cr., E of Blacksmith Flat. 1127 Comment
  SACT001691  Phalaris aquatica D. Meyer 1984-6-3 Placer 585.0 Comment
  JEPS74040  Phalaris arundinacea Virginia Bufford 1932-9-9 529 Placer along Truckee River; along Truckee River Comment
  CDA36452  Phalaris arundinacea var. picta R. Robison 2011-8-19 Placer Lake Tahoe; Sugar Pine Point State Park, along General Creek, downstream from historic icehouse. 0 Comment
  SACT001704  Phalaris lemmonii D. Meyer 1984-4-15 Placer Roadside appears to have been a vernal pool. Dry. 36.97 Comment
  UCD35460  Phalaris lemmonii Beecher Crampton 1957-5-7 3991 Placer 2 miles N of Lincoln. Comment
  UCD117279  Philadelphus lewisii G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10705 Placer Northern Sierra Nevada Mountains: 0.2 mile N of Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  SACT001752  Phleum pratense D. Meyer 1983-6-25 Placer 1418.0 Comment
  POM282382  Phlox diffusa subsp. diffusa Lyman Benson 1933-6-26 4536 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  CDA12402  Phlox gracilis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8530 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CDA39028  Phoradendron juniperinum D. G. Kelch 2011-10-3 11 .827 Placer Tahoe City. Granlibakken Resort. Comment
  UC1078887  Phoradendron juniperinum Job Kuijt 1957-8-9 1408 Placer near Immigrant Gap (1. mi. e. of Nevada-Placer Co. line) Comment
  UC199690  Phoradendron villosum C. F. Sonne 1878-1 Placer Dutch Flat Comment
  CAS-BOT-BC58831  Phyllodoce breweri M. E. Parsons 1910-7-7 s.n. Placer Lake Tahoe - Madden Creek Meadows Comment
  UC1121048  Phyllodoce breweri C. W. Hanks 1934-10-11 124 Placer Tahoe National Forest, Upper end of Cold Creek Canyon Cold Creek Canyon; Tahoe National Forest, Cold Creek Canyon 2286 Comment
  CHSC84562  Pilularia americana John Dittes 2003-5-25 2003 -21 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  UCSB45757  Pilularia americana Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65. Comment
  CAS-BOT-BC76971  Pilularia americana W. A. Weber 1953-5-19 8396 Placer 5 mi. N of Roseville on road to Lincoln. 45 Comment
  JEPS73151  Pinus albicaulis Gladys L. Smith 1972-8-25 3422 Placer summit area Granite Chief 2775 Comment
  SEINET5334496  Pinus attenuata P. L. Comanor, B. Clark; B. O'Malia 1969-5-15 s.n. Placer Approx. 3 mi. west of Colfax plot (1.85 mi. from end of railroad bridge on CA 194) up a dirt road located 1/2 mile past Bear Creek bridge additional 4/10 about 6 m. Comment
  CAS-BOT-BC78461  Pinus contorta subsp. murrayana Geo. B. Grant 1906-7-15 6997 Placer Tahoe Taver, Lake Tahoe 1889 Comment
  UC813291  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit valley 2118 Comment
  UC1819257  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  UCD15411  Pinus ponderosa Lorraine Prunier 1982-5-22 22 Placer at Yuba Pass on Hwy 49. 2286 Comment
  UCD33760  Pistacia atlantica Beecher Crampton 1972-9-28 8879 Placer Placer County, Applegate. 579 Comment
  CHSC67787  Plagiobothrys distantiflorus James D. Jokerst 1986-3-19 2600 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. Comment
  CHSC96470  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
  UCD18831  Plagiobothrys greenei Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-27 136 Placer 1 mi. east along Athens Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022, UTMs: 10S0645594; 4300408. Comment
  CAS-BOT-BC230949  Plagiobothrys hispidulus Alice Eastwood 1906-7-27 1066 Placer Glen Alpine Region. Fallen Leaf Lake Comment
  CHSC82582  Plagiobothrys hispidulus Lowell Ahart 2002-7-22 9881 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-BC230955  Plagiobothrys hispidulus Peter Rubtzoff; Edward W. Colson 1976-7-7 8729 Placer E side of Lake Van Norden 2063 Comment
  UCSB5648  Plagiobothrys stipitatus Constance, Lincoln 1941-5-28 Placer Two miles north of Lincoln, Sacramento Valley 60 Comment
  JEPS113107  Plagiobothrys stipitatus var. micranthus Lowell Ahart, Brian Williams 2007-4-13 13638 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
  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
  CAS-BOT-BC516752  Plantago lanceolata George K. Helmkamp; Amy Barnes 2013-3-28 20295 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  RSA388850  Plantago lanceolata Jon Schroeder 1975-5-24 66 Placer Spring Garden Road, just off of Auburn-Forest Hill Road. Comment
  CHSC10719  Plantago major Lowell Ahart 1969-7-30 Placer Near Ahart Camp, French Meadows. 1524 Comment
  CHSC81805  Plantago major Lowell Ahart 2001-10-10 9337 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  SEINET9164073  Plantago major L. R. Miller 1934-7-8 s.n. Placer Cisco. 1707 Comment
  UCR231817  Platanthera dilatata var. leucostachys George K. Helmkamp, E. A. Helmkamp 2010-8-14 16793 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  SEINET5340048  Platystemon californicus J. Ridley 1959-3-29 3 Placer 2 miles north of Roseville in open field one mile east of Hwy 99. 49 Comment
  RSA0042076  Plectritis macrocera George K. Helmkamp, Mary Alice Barnes 2013-4-18 20347 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  CHSC96459  Poa annua Lowell Ahart; Brian Williams 2007-4-13 13665 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
  JEPS70620  Poa annua Leland S. Smith 1926-4-10 1778 Placer rd to Sugar Pine (Forest Hill Divide); Tahoe Nat'l Forest 1097 Comment
  SACT001806  Poa bolanderi D. Meyer 1983-10-22 Placer Searchlight ski run from base to Olympic Lady chairlift. 2121.0 Comment
  UCD75951  Poa bolanderi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5192 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
  UCD90629  Poa bulbosa Beecher Crampton 1967-7-26 8159 Placer 1.5 miles W of Weimar, near Heather Glen, Interstate Hwy. 80 W. 579 Comment
  UCR208591  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14662 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  SACT001826  Poa canbyi Michael Baad 1983-8-27 Placer 2072.64 Comment
  SACT001827  Poa canbyi Michael Baad 1983-8-11 Placer To Five Lakes Basin, continuing 2.4 km west toward Whiskey Creek. 2072.0 Comment
  UCD36710  Poa compressa Beecher Crampton 1955-7-13 2995 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD90841  Poa compressa Beecher Crampton 1955-6-15 2864 Placer 3 miles east of Weimar. Comment
  CAS-BOT-BC255052  Poa compressa John Thomas Howell; Gordon H. True 1968-6-9 44516 Placer Alta 1066 Comment
  SACT001860  Poa incurva Michael Baad 1983-8-11 Placer On trail from Creek to Mildred Ridge 2133.0 Comment
  UCR146857  Poa nervosa Beecher Crampton 1964-7-21 7130 Placer Sierra Nevada Mountains, Blue Canyon 1431 Comment
  CHSC75340  Poa palustris Susi Urie 1998-8-29 98 -156 Placer Lake Tahoe Basin-National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  SACT001892  Poa palustris D. Meyer 1984-7-21 Placer 7.52 km southeast of Placer County line moist shaded stream area. 9 mfrom roadway. 1758.0 Comment
  SACT001893  Poa palustris D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line, roadside. 1758.0 Comment
  UCD38668  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Blue Canyon. 1432 Comment
  CAS-BOT-BC247375  Poa pratensis Saichi Kawahara 1969-7-6 1416 Placer West of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  CAS-BOT-BC247376  Poa pratensis A. A. Beetle 1941-5-26 2717 Placer Near Cisco 914 Comment
  SACT001918  Poa pratensis D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT001936  Poa pratensis D. Meyer 1984-7-15 Placer 8.2 km from Serene Lakes 1909.0 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
  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
  UCD43838  Poa pratensis subsp. pratensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1204 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SACT001972  Poa scabrella Michael Baad 1976-6-10 Placer Along creek near trail to Robinson Flat. 1737.0 Comment
  SACT001973  Poa scabrella Michael Baad 1983-5-5 Placer 3 miles southeast of Canyon Way Road descending to North Fork of the American River. 548.64 Comment
  SACT001984  Poa scabrella Michael Baad 1983-5-5 Placer 1.5 mile southeast of Yankee Jim Road from Junction with Canyon Way Road, south of Colfax 548.64 Comment
  SD44636  Poa secunda Darley F. Howe 1951-5-2 Placer 4 miles north of Auburn 456 Comment
  CAS-BOT-BC242952  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC242953  Poa secunda subsp. secunda A. A. Heller 1917-6-17 12696 Placer Along the Yuba River below Cisco 1676 Comment
  JEPS75188  Poa secunda subsp. secunda Gladys L. Smith 1972-6-20 3263 -A Placer Ward Peak above Sherwood Forest (below summit) 2590 Comment
  UCD75959  Poa secunda subsp. secunda Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5216 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
  UCD90485  Poa secunda subsp. secunda A. A. Beetle 1941-5-26 2725 Placer Near Cisco. 914 Comment
  UCD91645  Poa secunda subsp. secunda John Thomas Howell 1943-7-21 18638 Placer Donner Pass to Mt. Lincoln. Comment
  UCR193398  Poa secunda var. secunda George K. Helmkamp, E. A. Helmkamp 2007-5-30 12197 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  CAS-BOT-BC244157  Poa sierrae G. L. Stebbins, Jr. 1952-6-22 5101 Placer Along SE bank of American River, 1.5 miles NE of bridge on Colfax-Iowa Hill Road 365 Comment
  CAS-BOT-BC244281  Podagrostis humilis Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  UCD52760  Podagrostis humilis R. Tofsrud 1951-7-1 s.n. Placer near Campton's store, Hwy. 40 (above Nayak). Comment
  UCD21968  Polemonium californicum Beth Lowe Corbin 1982-8-23 408 Placer 2 miles SW of The Cedars. In fine, sandy, organic soil. Flowers blue with white throat. Partial sun. North facing slope, 40% incline. Occasional. 2103 Comment
  CAS-BOT-BC167538  Polygala cornuta var. cornuta L. S. Smith 1925-8-13 1705 Placer Tahoe National Forest. Gold Dollar Mine Trail to Pine Nut 1828 Comment
  CAS-BOT-BC300503  Polygala cornuta var. cornuta George K. Helmkamp; E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  SD244200  Polygala cornuta var. cornuta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountain Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill (Westville 7.5'Q) 1052 Comment
  UC1130351  Polygala cornuta var. cornuta N. French 1934-6-15 410 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UCR231875  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2010-10-16 17020 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
  UC850344  Polygonum aviculare subsp. aviculare A. A. Heller 1917-8-12 12876 Placer w Emigrant Gap; Southern Pacific reservoir Comment
  UCR120231  Polygonum bistortoides George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5068 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  JEPS126269  Polygonum californicum Steve Matson 2003-6-9 826 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters South north of Martis Dam Road, 20 meters north of airport creek, 200 meters NW of vernal pools north of Highway 267. Comment
  CDA22765  Polygonum californicum E. Dewitt 1929-10-3 Placer Lincoln. 0 Comment
  CHSC82654  Polygonum douglasii subsp. douglasii Lowell Ahart 2002-7-22 9897 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
  UCR253808  Polygonum persicaria George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20107 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  CDA15977  Polygonum polygaloides subsp. confertiflorum G. F. Hrusa, J. Glazner 1999-7-17 15169 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC419862  Polygonum polygaloides subsp. confertiflorum M. S. Jussel 1928-6-25 s.n. Placer Fish Hatchery Comment
  CAS-BOT-BC420036  Polygonum polygaloides subsp. kelloggii John H. Thomas; Hazelle A. Thomas 1956-7-21 6144 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC420035  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1906-7-24 445 Placer Lake Tahoe Region. Road to Lily L. Comment
  CAS-BOT-BC420038  Polygonum polygaloides subsp. kelloggii H. D. Ripley; R. C. Barneby 1948-7-13 9844 Placer Yuba River, 4 mi. E. of Cisco 1844 Comment
  UC1191259  Polygonum punctatum Malcolm A. Nobs 1948-9-25 688 Placer Hwy 49 about 9 mi n Auburn; Rock Creek Comment
  UC570037  Polygonum sawatchense subsp. oblivium N. French 1934-6-22 478 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  CAS-BOT-BC109255  Polygonum shastense M. E. Parsons 1912-8-25 s.n. Placer Crow Peak Summit. Comment
  RSA689953  Polypodium californicum Elizabeth Flint 1930-1 103 Placer Near Penryn 244 Comment
  RSA689954  Polypodium californicum Elizabeth Flint 1930-1 101 Placer American River bridge, near Auburn 457 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-BC232991  Polypogon australis Saichi Kawahara 1969-7-6 1449 Placer E bank of Indian Creek, Mel Henderson Ranch 987 Comment
  CDA2335  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch of Rubicon River. 0 Comment
  CDA337  Polypogon monspeliensis M. P. Kelly 1928-5-6 s.n. Placer Old Auburn-Folsom Road. 0 Comment
  POM115763  Polypogon monspeliensis Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  SACT002036  Polypogon monspeliensis Josephine Van Ess 1975-11-5 Placer Collected about 1 mile east of east end of Annabelle Ave at north end of pond. Wet area. 103.0 Comment
  SACT002037  Polypogon monspeliensis Josephine Van Ess 1972-6-11 Placer Collected on Seven Cedars Road. Low, moist area. Comment
  UCD91298  Polypogon monspeliensis Beecher Crampton 1958-6-24 4972 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  UCR193282  Polystichum imbricans George K. Helmkamp, E. A. Helmkamp 2007-5-30 12173 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  JEPS14358  Polystichum imbricans subsp. imbricans Rimo Bacigalupi, et al. 1952-7-19 3854 Placer below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd.); N Fork American River 381 Comment
  CAS-BOT-BC76723  Polystichum lemmonii G. Ledyard Stebbins 1969-7-19 6942 Placer Sierra Nevada - Monument Ridge, 3 mi. S of Yuba Gap 2057 Comment
  SEINET6409481  Polystichum lemmonii W. Dakan 1976-6-1 s.n. Placer Sierra Nevada, near Bucks Lake 1585 Comment
  UCR146963  Populus tremuloides Beecher Crampton 1975-10-14 9322 Placer Sierra Nevada Mountains, Blue Canyon airport area 1524 Comment
  CAS-BOT-BC105581  Populus trichocarpa Geo. B. Grant 1906-7-15 7031 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  POM107359  Populus trichocarpa Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UC128220  Populus trichocarpa Miss Harriet A. Walker 1908-7-25 1394 Placer Cisco near Yuba River (near Yuba River) 1798 Comment
  CDA859  Potamogeton richardsonii R. Talbert 1959-8-14 2927 Placer Lake Tahoe. 0 Comment
  JEPS127453  Potentilla biennis Steve Matson 1998-5-27 322 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267 rampart, close to Martis Creek. Comment
  JEPS127452  Potentilla flabellifolia Steve Matson 2004-8-1 1091 Placer Tahoe Basin west shore; Blackwood Canyon; 1/2 mile SE of Barker Pass. Comment
  POM36827  Potentilla flabellifolia C. F. Sonne 1897-7-18 s.n. Placer Near Tinkers Knob 2439 Comment
  UCR130215  Potentilla glandulosa subsp. ashlandica George K. Helmkamp, E. A. Helmkamp 1999-6-30 5092 Placer Northern Sierra Nevada Mtns., Soda Springs Rd 0.9 mi south of Donner Pass Rd, approaching Ice Lakes 2104 Comment
  CHSC74701  Potentilla glandulosa subsp. nevadensis Susi Urie; Eric Schroder 1998-9-8 98 -280 Placer Lake Tahoe Basin. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 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
  CAS-BOT-BC158436  Potentilla glaucophylla var. glaucophylla L. S. Smith 1925-6-27 1659 Placer Tahoe National Forest. Tahoe Camp Ground & Ward Cr. 1905 Comment
  CHSC74431  Potentilla gracilis var. fastigiata Susi Urie 1998-9-2 98 -220 Placer Lake Tahoe Basin. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  JEPS59374  Potentilla gracilis var. fastigiata Ezra Brainerd and Viola B. Baird 1915-7-10 122 Placer roadside Deer Park Sierra Nevada, Deer Park 1889 Comment
  UC1128227  Potentilla gracilis var. flabelliformis H. S. Yates 1934-6-29 3899 Placer near Tahoe City; Tahoe National Forest, Truckee Quad. Comment
  UCD35458  Poterium sanguisorba Beecher Crampton 1957-5-7 3994 Placer Placer County; 2 miles northeast of Lincoln along Thermalands Road. Comment
  JEPS126258  Primula jeffreyi Steve Matson 2002-5-26 525 Placer North Shore; Tahoe Vista; Snow Creek Watershed. Comment
  CAS-BOT-BC64620  Primula suffrutescens Alice Eastwood 1909-1-1 307 Placer Wards Pass, between Ward Peak and Twin Peak; Deer Park, Lake Tahoe Region. Comment
  RSA0093562  Prunella vulgaris var. lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22418 Placer Sierra Nevada Mountains Foothills. Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road. 651 Comment
  UCR231866  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17029 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  CAS-BOT-BC163054  Prunus emarginata Carl B. Wolf 1930-10-11 988 Placer 4 miles west of Emigrant Gap 1524 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
  UC859381  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer below Cisco (near the Yuba River) 1676 Comment
  UC861032  Prunus emarginata Marcus E. Jones, A. M. 1882-5-28 2693 Placer Emigrant Gap Comment
  UCR201929  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14028 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  UCR209727  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15433 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  CAS-BOT-BC154644  Prunus subcordata W. R. Dudley 1909-8-1 s.n. Placer Vicinity Dutch Flat Comment
  UC1128491  Prunus subcordata N. French 546 Placer Tahoe National Forest, Lafayette Ridge Lafayette Ridge; Tahoe National Forest, Lafayette Ridge 1127 Comment
  OBI16412  Pseudognaphalium thermale Robert F. Hoover 1967-9-5 10825 Placer Carnelian Bay, Lake Tahoe Comment
  SACT002063  Pseudosasa japonica Josephine Van Ess 1976-9-22 Placer Collected in vicinity of 2120 Bald Hill Road. Wet Roadside ditch. 365.8 Comment
  POM177611  Pseudotsuga menziesii I. L. Wiggins 1930-10-12 5083 Placer Near Cisco. 1982 Comment
  UCR208594  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2009-5-11 14659 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  SFV10346  Psilocarphus brevissimus M. L. Vincent 1963-6-5 368 Placer 5 miles north of Roseville. Comment
  CAS-BOT-BC361711  Psilocarphus brevissimus var. brevissimus John Thomas Howell; Gordon H. True 1971-5-26 47628 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC460524  Pterospora andromedea Alice Eastwood 1912-6-15 478 Placer Lake Tahoe Region: Deer Park Comment
  SEINET12528640 Image available Pterospora andromedea A. P. Kelley 1925-1 833 Placer Tahoe Tavern. Comment
  SEINET7236749  Pterospora andromedea P. B. Kennedy, S. B. Doten 1901-8-15 404 Placer Bearman's Camp, 6 miles from French Meadows. Comment
  SBBG29003  Puccinellia distans B. Crampton 1967-7-26 Placer Kingvale, Interstate 80 1950 Comment
  UCR146667  Puccinellia distans Beecher Crampton 1967-7-26 8155 Placer Sierra Nevada Mountains, near Nevada County line in Kingvale on Interstate-80 1951 Comment
  SBBG59894  Pyrola picta M. N. Ackley -Jun-1925 319 Placer Baxter 1127 Comment
  UC412731  Pyrola picta J. A. DeCow 1900-8-5 454 Placer Tahoe, McKinneys Tahoe; , McKinneys Comment
  UCD22163  Pyrola picta Rex Palmer 1979-7-25 N 805 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD82847  Quercus Rodney Gale Myatt 1972-6-1 s.n. Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  JEPS37696  Quercus X morehus J. C. Hawver 1909-4-4 Placer 3 mi sw Auburn Comment
  SACT002615  Quercus chrysolepis Josephine Van Ess 1976-9-29 Placer Collected a short way upstream from old Foresthill Bridge. Rocky steep streambank. Comment
  UC119113 Image available Quercus chrysolepis A. Eastwood 1994-9-10 Placer Colfax, Placer Co., Cal. Comment
  CDA20382  Quercus chrysolepis var. chrysolepis P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  CDA16972  Quercus durata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16025 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SACT002635  Quercus durata Michael Baad 1977-6-21 Placer 1.5 miles south of junction of road to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  UC1135560  Quercus durata N. French 1933-10-17 105 Placer Todd Valley Placerville National Forest, Placerville Quad. 762 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
  SBBG50715  Quercus kelloggii R. F. Denno 1967-5-6 75 Placer 1.5 mi N of Colfax, S of Bear River Comment
  UCSC010012  Quercus kelloggii Al Keuter 2014-6-15 00 101 D Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  UCSC010013  Quercus kelloggii Al Keuter 2014-6-15 00 101 C Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  CAS-BOT-BC104586  Quercus vacciniifolia J. F. Emmel 1970-6-21 317 Placer Slope, 0.6 air mile S of South end of Lake Mary, S. of Donner Pass 2286 Comment
  CAS-BOT-BC104588  Quercus vacciniifolia Mary P. Wells 1980-9-11 s.n. Placer Sierra Nevada. West of Pioneer Way in forest. Tahoe City 1981 Comment
  SACT002710  Quercus vacciniifolia James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002711  Quercus vacciniifolia James Grove 1977-7-15 Placer 2000.0 Comment
  UCD21488  Quercus vacciniifolia Rex Palmer 1979-7-26 N 832 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC104989  Quercus wislizeni Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  UCR280609  Quercus wislizeni Tom Scott, Gary Nakamura 2009-1 2009- 017 Placer Sierra Nevada Mtns. Foothills, Auburn, Hwy 49 at Auburn Bridge on American River, slopes on north side of canyon above highway 198 Comment
  CDA19799  Quercus wislizeni K. Kosta, C. Blomquist November 2001 s.n. Placer Northern California; No location data provided. 0 Comment
  UCSB32122  Quercus wislizeni var. wislizeni Pulsifer Ames, Mary; Bingham, R. Placer Auburn Comment
  UCD135411  Raillardella argentea G. F. Hrusa; J. Glazner 2001-7-15 15964 Placer Northern Sierra Nevada, N summit face of Crows Nest Pk. Immediately W of Sugarbowl. 2377 Comment
  CAS-BOT-BC379467  Ranunculus alismifolius R. K. Wellman 1981-5-15 36 Placer Emmigrant Gap Rd. of Hwy 80, Placer City city limits Comment
  CAS-BOT-BC379274  Ranunculus alismifolius var. alismellus C. F. Sonne 1886-6-20 3 Placer grassy shady place above Donner Lake, Placer and Nevada Counties Comment
  JEPS72152  Ranunculus alismifolius var. alismellus Gladys L. Smith 1972-6-18 3151 Placer cliff above Alpine Meadows 2133 Comment
  UC827594  Ranunculus alismifolius var. alismifolius A. A. Heller 1917-6-19 12731 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC379386  Ranunculus alismifolius var. hartwegii Lowell Ahart 1983-8-17 4338 Placer found growing on damp dark rocky soil near an open bare mountain side, south of Onion Valley, near the Quincy La Porte Road, west of Pilot PR, about 11 mi northeast of La Porte, California 2000 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-BC379395  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 s.n. Placer Lake Tahoe Region, Seven Lakes 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-BC379435  Ranunculus alismifolius var. hartwegii A. A. Heller 1903-7-16 6945 Placer lower end of Donner Lake 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-BC379438  Ranunculus alismifolius var. hartwegii E. R. Drew 1925-5-18 s.n. Placer Hobart Mills Comment
  JEPS127530  Ranunculus aquatilis var. diffusus Steve Matson 1997-7-6 51 Placer nSNH: Tahoe north shore, Snow Creek watershed; Tahoe Vista/Kings Beach. Comment
  CAS-BOT-BC378965  Ranunculus bonariensis Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 0.5 mi N of Western Electric Plant on Industrial Blvd. Comment
  RSA795178  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  UC198931  Ranunculus cymbalaria var. saximontanus C. F. Sonne 1885-6-27 Placer On road to Tahoe near old Shingle Mill, at Squaw Creek Comment
  SEINET3161114  Ranunculus hebecarpus G. B. Grant 1906-8-1 6963 Placer About Lake Tahoe 2438 Comment
  POM149892  Ranunculus hystriculus Katherine Brandegee 1909-4-28 92 Placer In the Sierra Nevada foothills. Comment
  UC1607879  Ranunculus muricatus C. G. Nast 1936-4-12 127 Placer Auburn Comment
  UCD96231  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sunnybrook Farms, 2 miles North of Lincoln. Comment
  SDSU10115  Ranunculus muricatus D. F. Howe 1948-5-21 1909 Placer 457 Comment
  CDA19566  Ranunculus occidentalis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 224 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
  SD239889  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18934 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  UC480972  Ranunculus occidentalis Francis Ramaley 1917-4-24 11142 Placer Auburn Comment
  UCD41266  Ranunculus occidentalis Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1723 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
  SEINET5338812  Ranunculus occidentalis H. E. Hodge 1956-3-18 2 Placer Collected northwest of Colfax, off of US Hwy. 40, Approximately 6 miles. 617 Comment
  JEPS127531  Ranunculus occidentalis var. ultramontanus Steve Matson 1998-6-14 237 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave., under power lines. Comment
  UC9469  Ranunculus orthorhynchus var. orthorhynchus Mrs. M. M. Hardy 1893-1 Placer Comment
  UC838062  Ranunculus uncinatus Marcus E. Jones, A. M. 1882-6-28 3308 Placer Emigrant Gap Comment
  POM246490  Rhamnus alnifolia Carl B. Wolf 1937-9-4 9287 Placer Sierra Nevada, NW of Lake Tahoe, 1 mile below Deer Park. 1982 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
  UC662428  Rhamnus alnifolia James B. Roof, Irja Knight 1941-9-5 Placer 8 mi s Truckee (on State Highway 89, Silver Creek, a perennial tributary of the Truckee River); Truckee River, Silver Creek 1828 Comment
Read comments
Sep 3 2008
  UCD150478  Rhodiola integrifolia subsp. integrifolia James A. Neilson Jr. 1971-8-31 2588 Placer Tahoe Basin, south fork of Blackwood Creek. 2438 Comment
  CAS-BOT-BC58200  Rhododendron columbianum L. S. Smith 1925-8-14 1706 Placer Robertson Flat pasture. Tahoe forest. 1981 Comment
  UC372853  Rhododendron occidentale Marcus E. Jones, A. M. 1882-6-25 Placer Emigrant Gap Comment
  CAS-BOT-BC108692  Ribes cereum Bethel; Posey 1920-5-23 s.n. Placer Tahoe. Comment
  CAS-BOT-BC108693  Ribes cereum Bethel; Posey 1921-6-5 s.n. Placer Tahoe. Comment
  JEPS111154  Ribes cereum Steve Matson 2005-6-11 1249 b Placer North shore of Lake Tahoe; Lake Forest; Skylandia State Park; west edge of park; 39.1842 N, 120.1085 W; Elevation 6250 ft. 1905 Comment
  SBBG8912  Ribes cereum E. R. Blakley 1960-9-4 3826 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  UC212402  Ribes cereum G. B. Grant 1902-7-17 1458 Placer Alta Peak Comment
  UC480721  Ribes cereum W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  UCD43000  Ribes inerme var. inerme C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 369 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC79759  Ribes montigenum C. F. Sonne 1897-7-18 Placer Tinkers Knob Sierra Nevada Mountains Comment
  SEINET13942693 Image available Ribes nevadaense A. A. Heller 2017-1 12725 Placer Cisco, elev 6000 ft 1829 Comment
  SCFS11529120  Ribes nevadense E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UC1127483  Ribes nevadense N. French 1933-9-14 102 Placer Greek Store Tahoe National Forest, Colfax Quadrangle Comment
  UCD41252  Ribes nevadense Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1708 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
  SJSU10511  Ribes roezlii R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  UC974960  Ribes roezlii Alice Eastwood 1922-4-6 11119 Placer 3 mi above Colfax (near the road) Comment
  RSA0018263  Ribes roezlii Wm. Martin 1971-9-10 20271 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CAS-BOT-BC186206  Ribes roezlii var. roezlii Elizabeth Parsons Hawver s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC186208  Ribes roezlii var. roezlii Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco 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-BC168774  Ribes viscosissimum A. A. Heller 1909-7-16 9847 Placer Summit 2133 Comment
  SEINET5339886  Ribes viscosissimum M. J. Williams 1985-7-6 85- 63 -6 Placer Pacific Crest Trail between old and new Donner Summits Comment
  CAS-BOT-BC362923  Rigiopappus leptocladus G. L. Stebbins 1978-5-28 7879 Placer West side of Big Crater 1280 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
  CAS-BOT-BC74624  Rorippa curvisiliqua Gladys L. Smith 1977-6-16 4670 Placer Goose Meadow, Route 89, between Tahoe City and Truckee. 1828 Comment
  CHSC82580  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-7-22 9882 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
  UC170073  Rorippa palustris Miss Helen D. Geis 1912-6 198 Placer Truckee River at lake outlet Comment
  CAS-BOT-BC74866  Rorippa subumbellata Alice Eastwood 1909-1-1 38 Placer Lake Tahoe Region. Sunnyside. Comment
  CAS-BOT-BC146354  Rosa Saichi Kawahara 1969-5-24 842 Placer Near garden Henderson Ranch, Indian Creek 1005 Comment
  UCD113389  Rosa bridgesii K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles east of Forest Hill (town). 900 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
  CAS-BOT-BC147024  Rosa woodsii subsp. ultramontana Geo. B. Grant 1906-7-15 6991 Placer Tahoe Tavern, Lake Tahoe Comment
  JEPS72264  Rosa woodsii var. ultramontana Gladys L. Smith, Betsy and Norman Wilson 1972-7-6 3285 Placer Squaw Creek Squaw Valley 2438 Comment
  UCD89706  Rubus armeniacus Lindsay Clark 2008-6-10 FHD 2 Placer Next to American River at Driver's Flat Staging Area, 14.5 miles northeast of Auburn. 209 Comment
  UC861652  Rubus glaucifolius Marcus E. Jones, A. M. 1882-6-28 3309 Placer Emigrant Gap Comment
  CAS-BOT-BC147964  Rubus parviflorus A. M. Carpenter 1892-8-1 s.n. Placer Unspecified Comment
  JEPS127541  Rubus parviflorus Steve Matson 1999-7-2 425 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork of Snow Creek above the spring. Comment
  UC1128637  Rubus parviflorus N. French 1934-6-15 415 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  POM91484  Rubus parviflorus Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC363141  Rudbeckia californica G. P. Rixford 1916-7-1 s.n. Placer Cisco Comment
  UC89647  Rudbeckia occidentalis T. S. Brandegee 1888-9-1 Placer Blue Canyon Comment
  UCD100984  Rumex acetosella Amelie Blyth 1952-5-11 9- 2 Placer At junction of north fork and middle fork of American River, near Auburn. Comment
  UCD21927  Rumex acetosella Beth Lowe Corbin 1982-8-3 184 Placer Onion Creek campground. In fine, sandy, granitic soil. Disturbed ground near creek and reservoir. Perennial herb. Inflorescence red and yellowish. Full sun. Southwest facing slope. Common. 1841 Comment
  UCD44670  Rumex acetosella C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2036 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 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
  UCR260819  Rumex acetosella M. Kauffman 1997-5-18 20 Placer Sierra Nevada Mtns., 0.1 mile from Hwy 80 on Eagle Lakes Road 1768 Comment
  CAS-BOT-BC422030  Rumex acetosella Peter H. Raven 1950-6-26 2413 Placer Baxter's 1219 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
  CDA32823  Rumex acetosella William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  UCD44001  Rumex paucifolius C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1367 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD101614  Rumex salicifolius A. A. Heller 1917-6-19 12734 Placer Emigrant Gap. 1615 Comment
  UCD138054  Sagittaria latifolia Malcolm A. Nobs; Herbert L. Mason 1948-10-2 701 Placer 1/2 mile east of South Dos Palos. Comment
  CAS-BOT-BC103550  Salix eastwoodiae John H. Thomas; Hazelle A. Thomas 1956-7-21 6191 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC103554  Salix eastwoodiae W. R. Dudley 1900-6-14 5046 Placer Half-way up the loop road from Donner lake to Summit Comment
  CAS-BOT-BC103611  Salix eastwoodiae W. R. Dudley 1900-6-14 5119 Placer In valley northwest of Lake Mary Comment
  UC1134858  Salix eastwoodiae N. French 1934-6-19 416 Placer Lock Leven Lakes; Tahoe Nat'l Forest, Colfax Quadrangle Comment
  UCD22318  Salix eastwoodiae Rex Palmer 1979-7-11 N 590 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC9599  Salix geyeriana E. L. Smith 1971-6-17 973 Placer In Martis Valley at the s end, ca. 11 km se of Truckee. 1800 Comment
  JEPS127554  Salix geyeriana Steve Matson 1998-9-1 395 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; middle fork Snow Creek; north end of main pond meadow Comment
  CAS-BOT-BC106883  Salix jepsonii W. R. Dudley 1900-6-14 5061 Placer Between Donner Lake and Summit Comment
  SEINET4560768  Salix jepsonii George K. Helmkamp, E. A. Helmkamp 2010-1 16671 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  CAS-BOT-BC106952  Salix laevigata Gordon H. True 1971-5-26 6537 Placer northern limits of Lincoln 48 Comment
  CAS-BOT-BC106953  Salix laevigata Gordon H. True 1971-4-21 6528 A Placer Auburn Ravine just west of Lincoln 49 Comment
  UC477572  Salix lasiandra subsp. lasiandra L. S. Smith 1931-8-28 2630 Placer below Chalk Bluff crossing (Middle Fork American R.); Tahoe Nat'l Forest, Middle Fork American R. Comment
  UCD16131  Salix lasiandra var. abramsii Sutton 1984-5-19 14 Placer Califorina. Placer County: Blue Canyon Rd., 3 mi off Hwy 80 along river bank. 1371 Comment
  CAS-BOT-BC124747  Salix lemmonii W. R. Dudley 1900-6-1 5283 Placer west of Independence Hotel Comment
  CAS-BOT-BC124752  Salix lemmonii A. A. Heller 1917-6-17 12688 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124753  Salix lemmonii W. R. Dudley 1900-6-14 5014 Placer Donner Lake Meadow Comment
  CAS-BOT-BC124770  Salix lemmonii W. R. Dudley 1900-6-14 5109 Placer Valley northwest of Lake Mary, near Summit Comment
  CAS-BOT-BC124774  Salix lemmonii W. R. Dudley 1900-6-14 5069 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124786  Salix lemmonii Gordon H. True 1965-5-18 1904 Placer Deer Creek trib. to Truckee River just below Squaw Valley, near confluence with Truckee River 1859 Comment
  CHSC13659  Salix lemmonii E. L. Smith 1971-4-17 983 Placer At Yuba Gap ca. 7 km e of Emigrant Gap. 1770 Comment
  CHSC73994  Salix lemmonii Susi Urie 1998-8-28 98 -134 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CAS-BOT-BC125098  Salix ligulifolia Alice Eastwood 1912-6-15 386 Placer Deer Park, Lake Tahoe region Comment
  POM362680  Salix lucida subsp. lasiandra Glenn A. Gorelick 1965-8-21 s.n. Placer Emigrant Gap. Comment
  JEPS86498  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
  UC1135086  Salix scouleriana B. Bolt 1934-7-23 162 Placer end of rd. from Westville (Plot 249); Tahoe Nat'l Forest, Colfax Quad. Comment
  RSA1844  Sambucus caerulea C. B. Wolf 1930-10-11 1729 Placer 4 miles west of Emigrant Gap 1524 Comment
  UC484002  Sambucus mexicana Carl B. Wolf 1930-10-11 1729 Placer 4 mi w Emigrant Gap 1524 Comment
  CAS-BOT-BC235189  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  CDA15934  Sanguisorba annua G. F. Hrusa, J. Glazner 1999-7-17 15160 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA24991  Sanguisorba annua J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 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
  SD235013  Sanguisorba minor subsp. muricata G. K. Helmkamp, E. A Helmkamp 2007-9-14 12959 Placer Northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill (Foresthill 7.5' Q) 942 Comment
  UCR241765  Sanguisorba minor subsp. muricata George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19802 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
  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
  UC174164  Sanicula graveolens C. F. Sonne 1886-6-6 Placer Sierra Nevada Mountains, road to Tahoe Sierra Nevada Mountains Comment
  SEINET3480979  Sanicula tuberosa L. S. Rose 1941-7-18 1911 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) Comment
  UC171012  Sanicula tuberosa C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  SEINET13945244 Image available Sanicula tuberosa L. S. Rose 1941-1 41323 Placer Edge of meadow, Chambers Lodge, Lake Tahoe. Ca 1900 m 1900 Comment
  CHSC9511  Sarcodes sanguinea J. F. Goodwin 1971-7-10 153 Placer 1 mi W of Lake Tahoe at end of Old County Road, 2.3 mi SW of Cornelian Bay. 1981 Comment
  UCD117994  Sarcodes sanguinea C. J. W. 1913-7-2 162 Placer Emigrant Gap. Comment
  UCR120247  Sarcodes sanguinea George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5037 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CDA38882  Sarcodes sanguinea R. Covey 1980-6-15 s.n. Placer Ca. 5 km from the north shore of Lake Tahoe, near Kings Beach on Crystal Bay [?]. 0 Comment
  UC115030  Saxifraga bryophora C. F. Sonne 1897-8-14 Placer above Coldstream; Sierra Nevada Mountains Comment
  UC858868  Saxifraga californica Marcus E. Jones, A. M. 1882-7-1 3587 Placer Emigrant Gap Comment
  UCSC003621  Saxifraga californica Barbara Ertter, David Thompson 1989-4-9 8182 Placer Bridge over Shirttail Canyon west of Yankee Jim's, ca 4 air miles W of Foresthill. Shrittail Canyon, west of Yankee Jim's 305 Comment
  POM93288  Saxifraga mertensiana Marcus E. Jones 1882-7-1 3588 Placer Emigrant Gap. Comment
  UC115054  Saxifraga odontoloma C. F. Sonne 1897-8-14 Placer canyon above Coldstream; Sierra Nevada Mountains Comment
  JEPS59418  Saxifraga oregana Ezra Brainerd and Viola B. Baird 1915-7-4 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1889 Comment
  SCFS1125  Sceptridium multifidum F. Felix 2014-5-10 Placer Woods on trail to Heath Falls. Comment
  SJSU8159  Sceptridium multifidum R. L. Fisher 1959-8-12 Placer near pond, 2 mi W of Lake Van Norden 1981 Comment
  CDA19555  Scirpus congdonii M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 233 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
  UC590003  Scirpus microcarpus H. S. Yates 1936-8-9 6000 Placer near Brockway; Truckee Quad., near Brockway Comment
  CDA3394  Scleranthus annuus G. D. Barbe 1985-7-15 4239 Placer Meadow Vista Community Park, 10 miles east of Auburn. 0 Comment
  UCD34139  Scleranthus annuus subsp. annuus Beecher Crampton 1977-4-3 9463 Placer Placer County, 3.5 miles north of Auburn, just east of Elder's Corner on Dry Creek Road. Comment
  UCD36212  Scribneria bolanderi Beecher Crampton 1953-4-21 1116 Placer Placer County, 2 miles north of Lincoln, Sunnybrook Farms. Comment
  JEPS11416  Scrophularia californica subsp. floribunda R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln Comment
  RSA0074846  Sedum obtusatum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UCD41269  Sedum spathulifolium Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1725 Placer East of Hwy 80 and town of Colfax, western side of canyon of North Fork of the American River. Along Iowa Hill Road, about 1.8 road miles east of intersection with Canyon Way in Colfax. 518 Comment
  UCR235594  Sedum spathulifolium George K. Helmkamp, E. A. Helmkamp 2012-5-5 18923 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-BC62095  Selaginella hansenii G. Ledyard Stebbins 1969-11-30 6979 Placer West side of American River Canyon on road from Colfax to Iowa Hill 457 Comment
  RSA684431  Selaginella hansenii Viola N. Poole 1932-05 324 Placer Shirt-tail Canyon. 762 Comment
  UCD21788  Senecio Rex Palmer 1979-6-9 N 162 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  SD43765  Senecio aronicoides Darley F. Howe 1948-5-23 1922 Placer American River 305 Comment
  UCD44703  Senecio hydrophiloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2069 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD135552  Senecio integerrimus var. exaltatus Arthur D. Haig 1956-5-23 s.n. Placer 2 miles south of Truckee. Comment
  CAS-BOT-BC363912  Senecio integerrimus var. exaltatus M. Alice King 1923-6-1 s.n. Placer Summit Comment
  CAS-BOT-BC364004  Senecio integerrimus var. major G. B. Grant 1906-7-15 7012 Placer Tahoe Tavern - Lake Tahoe Comment
  JEPS126354  Senecio integerrimus var. major Steve Matson 1998-6-21 259 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  UC147608  Senecio integerrimus var. major Harriet A. Walker 1908-6-26 1303 Placer Cisco 1810 Comment
  UC472370  Senecio integerrimus var. major C. F. Sonne July 1897 6593 Placer Coldstream <?> to Tinker Knob Comment
  UC91697  Senecio integerrimus var. major C. F. Sonne July 1897 Placer Squaw Valley Comment
  UCR191103  Senecio integerrimus var. major George K. Helmkamp, E. A. Helmkamp 2007-6-12 12328 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CAS-BOT-BC364384  Senecio triangularis Alice Eastwood 1909-1-1 23 Placer Lake Tahoe Region. Sunnyside Comment
  UCD135801  Senecio triangularis L. M. Sparks 1912-8-1 56 Placer Lake Tahoe. 1920 Comment
  UCR171030  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2006-2-24 10070 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  CAS-BOT-BC364759  Sericocarpus oregonensis subsp. californicus Ira L. Wiggins 1933-8-21 6789 Placer Shores of Lake Tahoe, near Tahoma Comment
  UC832211  Sericocarpus oregonensis subsp. californicus Ira L. Wiggins 1933-8-21 6789 Placer near, shores of Lake Tahoe Tahoma; Lake Tahoe Comment
  NY429844  Sericotheca obovata C. F. Sonne 1886-7-17 s.n. Placer Truckee River Comment
  CDA19924  Sesbania punicea R. Simon 2002-6-17 PDR P 087232 Placer Sierra Nevada; Miner's Ravine Park 0 Comment
  UCR129369  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Sacramento Valley, southeast corner of Newcastle Road and Brenner [Brennans] Rd., Newcastle 226 Comment
  UC1261251  Setaria viridis G. D. Barbe 1974-11-26 1985 Placer e. Roseville (fence line along Barton Rd. at Eureka Rd., n.w. corner) Comment
  CAS-BOT-BC213131  Sidalcea Catherine Best 1981-8-2 s.n. Placer Above French Meadow Reservoir, Sierra Nevada Comment
  CHSC9519  Sidalcea glaucescens J. F. Goodwin 1971-7-10 161 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Roud, 2.3 mi. sw of Cornelian Bay. Comment
  JEPS67207  Sidalcea glaucescens C. F. Sonne 1888-7-29 42 Placer road near Lake Tahoe; Sierra Nevada Mountains, nr Lake Tahoe Comment
  OBI48964  Sidalcea glaucescens Lewis S. Rose 1938-9-14 38262 Placer South Fork of Yuba River, 3 mi E of Cisco 1737 Comment
  POM448574  Sidalcea glaucescens Fay A. MacFadden 1934-8-10 12841 Placer Cisco. 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
  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
  POM282876  Sidalcea glaucescens Lyman Benson 1933-6-26 4545 Placer 4 miles west of Donner Pass, Sierra Nevada, Bear River Watershed, Canadian zone, US 40. 1982 Comment
  SEINET8726849 Image available Sidalcea glaucescens L. S. Rose 1941-1 41314 Placer Homewood, Lake Tahoe 1900 Comment
  UC148998  Sidalcea glaucescens H. M. Hall 1910-7-11 8758 Placer along Yuba River (Old Cisco); Sierra Nevada Mountains, along Yuba River, Old Cisco 1737 Comment
  UC614866  Sidalcea glaucescens Beryl O. Schreiber 1933-9-11 762 Placer road to Summit; road to Summit Comment
  UC66468  Sidalcea glaucescens P. B. Kennedy 1901-8-6 242 Placer Soda Springs Comment
  JEPS50059  Sidalcea hartwegii W. H. Shockley 1879-1 Placer Auburn Comment
  POM84039  Sidalcea hartwegii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  SD113808  Sidalcea hartwegii Darley F. Howe 1951-5-2 2107 Placer 4.0 miles north of Auburn 456 Comment
  UCD116732  Sidalcea hartwegii Robert A. Christison 1960-5-8 61 Placer junction of State Highway 49 and turnoff to Foresthill. 91 Comment
  UCD15658  Sidalcea malviflora Jessica Le 1989-6-3 19 Placer Out of Colfax city, onto Rd 174. 609 Comment
  UC871466  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1940-5-7 6338 Placer ca 1 mi w Baxter; w of Baxter Comment
  UCR233237  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2011-7-9 17695 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  JEPS126280  Sidalcea oregana subsp. spicata Steve Matson 2002-6-29 535 Placer Tahoe north shore: Snow Creek Watershed, Tahoe Vista/Kings Beach; main meadow next to pond near Highway 28. Comment
  SBBG117216  Sidalcea oregana subsp. spicata B. Crampton 1972-7-26 8838 Placer Carpenter Flat, E of Emigrant Gap 1615 Comment
  UCD150576  Sidalcea oregana subsp. spicata James A. Neilson Jr. 1971-8-1 2338 Placer Tahoe Basin, Lower Ward Valley. 1935 Comment
  UCD21602  Sidalcea oregana subsp. spicata E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1267 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
  UCD21605  Sidalcea oregana subsp. spicata E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1270 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
  UCD33730  Sidalcea oregana subsp. spicata Beecher Crampton 1972-7-26 8838 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD98570  Silene csereii Lester J. Berry 1969-5-15 s.n. Placer Foresthill. Charles Finning Property. Comment
  CAS-BOT-BC249052  Silene douglasii George K. Helmkamp; E. A. Helmkamp 2010-8-14 16772 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  UCD150313  Silene douglasii var. douglasii James A. Neilson Jr. 1970-1 1678 Placer Tahoe Basin, Ward Creek, Plot E232, Sp. III. 2023 Comment
  UCD150314  Silene douglasii var. douglasii James A. Neilson Jr. 1970-8-5 1771 Placer Tahoe Basin, Ward Creek area. 2499 Comment
  CDA19496  Silene gallica M. I. Wibawa 2002-5-27 272 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. 0 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
  SD237401  Silene gallica G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15903 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
  UCR240908  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
  UCD15170  Silene laciniata subsp. californica Phyllis Adams 1982-5-15 48 Placer California, Placer Co.; in the American River Canyon; 198 Comment
  UCD164612  Silene laciniata subsp. californica Brandi Sorensen 1995-6-1 19 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC389027  Silene laciniata subsp. californica G. Earnhart 1961-4-2 6 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  CAS-BOT-BC389371  Silene lemmonii Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap Comment
  SACT002207  Sitanion hystrix Michael Baad 1983-7-23 Placer 0.15 mile west of US highway 89. 1828.0 Comment
  SACT002226  Sitanion hystrix D. Meyer 1983-9-10 Placer Collected at west end of meadow near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT002227  Sitanion hystrix D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT002228  Sitanion hystrix D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT002255  Sitanion jubatum Michael Baad 1983-6-27 Placer 1219.2 Comment
  SACT002260  Sitanion jubatum Michael Baad 1976-8-4 Placer Collected on banks amoung rocks in gravel beside creek. White fir forest with openings. 1975.0 Comment
  CDA5900  Solanum carolinense J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Colfax. Comment
  JEPS82189  Solanum rostratum Wilma Follette 1975-9-20 S 3630 Placer in backyard of Follette home on Carnelian Bay, Lake Tahoe, Tahoe Supplement Lake Tahoe; Carnelian Bay, Lake Tahoe Comment
  UC1125021  Solanum umbelliferum N. French 1933-5-16 55 Placer 3 mi se of Weimer 609 Comment
  UC192436  Solanum umbelliferum C. F. Sonne 1886-7-18 Placer on Truckee River, in [R.R.] Canyon Truckee River Comment
  UCD159473  Solidago D. S. Park 2010-8-21 227 Placer Off Hampshire Rocks Rd. Shaded understory. 1788 Comment
  UCD15443  Solidago altissima subsp. altissima A. M. Shapiro 1995-10-22 s.n. Placer city of Rocklin, in an old field along Interstate-80 frontage road. Comment
  UCR260078  Solidago californica George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22420 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  RSA122317  Solidago canadensis subsp. elongata H. S. Yates 1934-6-29 3900 Placer Near Tahoe City. 1921 Comment
  CHSC72868  Solidago elongata L. P. Janeway; Eric Schroder 1998-7-13 5747 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CHSC73023  Solidago elongata L. P. Janeway 1998-8-6 5960 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
  UC1035661  Solidago velutina subsp. californica Mildred M. Enzler 1939-9-17 Placer near Applegate (Highway 40) 609 Comment
  UC1128678  Sorbus californica N. French 1934-6-13 408 Placer Lock Leven Lake; Tahoe National Forest 2042 Comment
  SEINET7707311  Sorbus californica A. A. Heller 1909-7-16 9835 Placer Summit 2134 Comment
  UCR253816  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20099 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  SEINET3228406 Image available Spartium junceum M. F. Wojciechowski 2002-6-25 999 Placer Roadside along I-80, collected adjacent to rest area near Dutch Flat/Gold Run exit. 945 Comment
  HSC82626  Spergularia rubra Thomas W. Nelson, Jane P. Nelson 1979-4-11 4610 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UCR179197  Sphenosciadium capitellatum Rex Palmer 1979-1 N- 895 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
  POM107629  Spiranthes porrifolia Marcus E. Jones 1882-7-8 s.n. Placer Auburn Comment
  UC72215  Spiranthes stellata Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahe Region Comment
  SACT002304  Sporobolus cryptandrus D. Meyer 1984-7-9 Placer Exit from I80 park and ride lot at field across road. 103.0 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
  UCD43293  Stachys rigida subsp. rivularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 661 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD22172  Stellaria longipes subsp. longipes Rex Palmer 1979-7-9 N 452 Placer Headwaters basin area of the North Fork of the American River Comment
  UC8659  Stellaria longipes var. longipes C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  UCD43249  Stellaria longipes var. longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 618 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD99389  Stellaria media J. J. Geibel 1965-5-1 30 Placer on Forest Hill Road, 8 miles west of Forest Hill. 670 Comment
  CAS-BOT-BC375010  Stenotus acaulis C. F. Sonne 1885-7-12 138 Placer Sierra Nevada Mts. Tinker's Knob 2895 Comment
  POM161915  Stenotus acaulis Herbert McLean Evans 1920-7-22 s.n. Placer Ralston Ridge. Sierra Nevada. Comment
  POM51462  Stephanomeria lactucina Katherine Brandegee s.n. Placer Donner. Comment
  SD243104  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2011-8-26 18176 Placer Northern Sierra Nevada Mountains: Robinson Flat, 0.1 mile sout of the campground at Forest Hill Road (Duncan Peak 7.5'Q) 2061 Comment
  UCD50255  Stephanomeria lactucina A. M. Shapiro 2004-7-21 s.n. Placer near Soda Springs. 2133 Comment
  CAS-BOT-BC375610  Stephanomeria lactucina C. F. Sonne 1885-8-2 193 Placer Sierra Nevada Mts. Along Truckee River Comment
  UC1277972  Stephanomeria lactucina B. Crampton 1957-7-24 4402 Placer 2 mi w Emigrant Gap (roadbank along U.S. Hwy 40) 1524 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
  UCR235377  Stipa lettermanii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18959 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  CAS-BOT-BC87412  Streptanthus polygaloides L. S. Smith 1930-7-7 2513 Placer Tahoe Forest. Forbes Camp. 1219 Comment
  CAS-BOT-BC87767  Streptanthus tortuosus John H. Thomas; Hazelle A. Thomas 1956-7-21 6109 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CDA12396  Streptanthus tortuosus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8524 a Placer Lake Tahoe; Upper Ward Valley, 4 miles SW of Tahoe City. 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
  UCD116301  Streptanthus tortuosus Robert E. Preston 1984-6-13 459 Placer 4 km west of Sunnyside. 2044 Comment
  UCR208540  Streptanthus tortuosus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14611 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  SEINET5505738 Image available Styrax officinalis var. californicus Evert I. Schlinger 1952-1 95 Placer 2 miles east of Auburn Comment
  JEPS81209  Styrax officinalis var. redivivus Douglas W. James Jr. 1973-5-27 119 Placer off Mosquito Ridge Road about 2 mi from Forest Hill 853 Comment
  UCD40904  Styrax officinalis var. redivivus S. Boshoren 1983-5-30 18 Placer Mosquito Ridge Road. 8.1 mi. east of Forest Hill intersection. Comment
  UCD119093  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  UCD119094  Styrax redivivus Eric Brenner; John Hunter 1996-5-26 003 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD119102  Styrax redivivus Al Franklin 1987-5-1 87 -11 Placer 1.3 miles east of I-80 on Foresthill Road, just outside of Auburn. 426 Comment
  UCD119121  Styrax redivivus G. H. Vansell 1930-5-7 2213 Placer Auburn. Comment
  UCD19281  Styrax redivivus Renee Shahrok 1986-6-25 3 Placer 4.2 mi. east of Forest Hill Rd junction, Mosquito Ridge Rd. 731 Comment
  UCD67979  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  UCD119115  Styrax redivivus A. M. Shapiro 1993-5-8 s.n. Placer Iowa Hill Road, above North Fork of American River. Comment
  CAS-BOT-BC237003  Symphoricarpos mollis Alice Eastwood 1909-1-1 31 Placer Sunnyside Comment
  UC147557  Symphoricarpos mollis var. acutus Harriet A. Walker 1908-6-23 1236 Placer Blue Canyon 1432 Comment
  CDA12387  Symphoricarpos rotundifolius var. rotundifolius G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8515 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  JEPS59429  Symphoricarpos rotundifolius var. rotundifolius Ezra Brainerd and Viola B. Baird 1915-7-15 149 Placer Fire Lakes; Sierra Nevada Mts. 2298 Comment
Read comments
Nov 20 2014
  CAS-BOT-BC97555  Symphyotrichum ascendens J. F. Emmel 1971-8-21 380 Placer 0.2 air mile ENE of N. end of Lake Mary, Donner Pass 2156 Comment
  JEPS126303  Symphyotrichum bracteolatum Steve Matson 1998-8-15 375 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; West Fork Snow Creek about 200 yards NW of pond. Comment
  SEINET9289579  Symphyotrichum eatonii Unknown 2000-9-3 15665 Placer Placer Comment
  UCD159474  Symphyotrichum foliaceum var. parryi D. S. Park 2010-8-21 228 Placer Off Hampshire Rocks Rd. Shaded understory. Also adundant around exit to highway I-80. 1788 Comment
  CAS-BOT-BC98477  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit Valley 2118 Comment
  UC128133  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-26 1437 Placer Cisco 1810 Comment
  UC148933  Symphyotrichum spathulatum H. M. Hall 1910-7-11 8757 Placer Old Cisco Sierra Nevada Mountains 1737 Comment
  UC201327  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit valley 2118 Comment
  UCD43307  Symphyotrichum spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 675 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC53989  Symphyotrichum spathulatum Chesnut and Drew 1898-8-8 Placer Cascade Lake Tahoe Comment
  CHSC73925  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-1 98 -193 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74201  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-26 98 -114 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  OBI16991  Symphyotrichum spathulatum var. yosemitanum Robert F. Hoover 1967-9-6 10848 Placer Kings Beach, Lake Tahoe Comment
  CAS-BOT-BC376789  Tanacetum parthenium Peter H. Raven 1956-8-4 9987 Placer Blue Canyon 1432 Comment
  POM289884  Taraxacum officinale Lyman Benson 1942-7-2 11250 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UC147626  Taraxacum officinale Miss Harriet A. Walker 1908-6-26 1319 Placer Cisco 1810 Comment
  SEINET5779710 Image available Tauschia kelloggii Marcus E. Jones 1882-1 Placer Colfax Comment
  CAS-BOT-BC85268  Taxus brevifolia Saichi Kawahara 1969-5-25 899 Placer North of old cabin, Mel Henderson Ranch, Indian Creek 1011 Comment
  UC128270  Thalictrum fendleri Miss Harriet A. Walker 1908-7-26 1447 Placer Cisco 1828 Comment
  UCD22194  Thalictrum fendleri Beth Lowe Corbin 1982-8-6 272 Placer 1/3 mile W of Onion Creek Campground. S facing slope, 30% incline. Uncommon. Partial sun. In rocky, fine, sandy soil about 10 yards from stream in mixed conifer forest. Herb 2 1/2 ft tall. Fruit green. 1920 Comment
  UC495495  Thalictrum fendleri Merle Randall 1930-6-17 Placer above Cisco (w of Donner Lake); Big Bend Ranger Sta. 1767 Comment
  UCD44458  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1824 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC74252  Thalictrum fendleri var. polycarpum Susi Urie; Eric Schroder 1998-9-12 98 -368 Placer Lake Tahoe Basin--National Forest. Meadow complex on the south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCD137776  Thelypteris nevadensis F. A. MacFadden 1934-8-3 12793 Placer Canyon Creek, Dutch Flat. Comment
  UCR257102  Thysanocarpus curvipes George K. Helmkamp, Amy Barnes 2014-4-23 22786 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SD143459  Thysanocarpus radians Darley F. Howe 1951-5-1 2112 Placer 455 Comment
  RSA0049959  Thysanocarpus radians Carl B. Wolf 1937-3-30 8354 Placer Sacramento Valley, 2 mi. No. of Lincoln. 53 Comment
  SEINET12476857  Thysanocarpus radians R. L. Smith 1942-4-3 21 Placer 3 miles E of Roseville. 122 Comment
  CDA37054  Torilis arvensis CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCD40908  Torilis arvensis Dan Ceobrquist 1984-5-22 10 Placer 3 mi. east of Auburn. Along side of Hwy 80. Comment
  UCR218236  Torilis arvensis George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16443 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  CDA5466  Torilis nodosa T. C. Fuller 1959-5-2 2415 Placer Warren Wilson property, Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  CHSC45227  Torreya californica Lowell Ahart 1972-4-1 80 Placer Along the north side of Mosquito Ridge Road, about 8 miles east of Forest Hill. 1219 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
  CDA19569  Tragopogon dubius M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 242 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
  UCR253575  Tragopogon porrifolius George K. Helmkamp, Amy Barnes 2014-4-23 22801 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  RSA101426  Trautvetteria grandis R. Weatherby 1955-8-9 1679 Placer S Fork Haskins Creek, 2 miles S of Bucks Lake. 1646 Comment
  UCR198055  Trientalis latifolia Lisa Montany 1985-5-18 29 Placer Mosquito Ridge Road, 14.3 mi west of Forest Hill Road 1220 Comment
  SD62087  Trientalis latifolia Darley F. Howe 1965-5-21 4061 Placer Canyon, north side of American River between Forest Hill and Yankee Jims 914 Comment
  SEINET12157177  Trifolium cyathiferum C. F. Sonne 1884-1 60 Placer Canon above Goldstream, Macerlea Comment
  SJSU8021  Trifolium cyathiferum Virginia Hardham 1965-6-27 Placer by Hwy 89, 4.5 mi S of Truckee 1767 Comment
  UCR231900  Trifolium depauperatum var. depauperatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17154 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  CDA32949  Trifolium depauperatum var. depauperatum P. W. Hiatt 1979-3-29 s.n. Placer Near Rocklin; Sierra College Blvd. 0 Comment
  CAS-BOT-BC444014  Trifolium dubium George K. Helmkamp; Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 293 Comment
  SEINET13203101 Image available Trifolium dubium George K. Helmkamp, Amy Barnes 2014-1 22781 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  SEINET3245951  Trifolium dubium G. K. Helmkamp, E. A. Helmkamp 2010-1 15928 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5') 157 Comment
  UCD108820  Trifolium dubium Al Franklin 1987-5-1 87 -10 Placer 1.3 miles east of I-80, on Foresthill Road, just outside Auburn. 396 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
  UCR250603  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20496 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  CDA19487  Trifolium glomeratum M. I. Wibawa 2002-5-27 264 Placer Sacramento Valley; Folsom Lake, American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  CDA37045  Trifolium glomeratum CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA37058  Trifolium glomeratum CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  RSA31983  Trifolium gracilentum A. A. Heller 1940-4-20 15537 Placer Whitney Station south of Lincoln along US Hwy 99. Comment
Read comments
Mar 28 2011
  UCD111201  Trifolium hirtum M. H. Mills 1996-4-21 161 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCD111203  Trifolium hirtum K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, about 10 miles east of Auburn. 500 Comment
  UC866961  Trifolium kingii var. productum John Thomas Howell 1938-8-2 13995 Placer 5 mi n Brockway Comment
  UC750575  Trifolium microcephalum Lewis S. Rose 1946-6-23 46190 Placer n Cisco (Rainbow) Comment
  UC163953  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-11 8759 Placer Cisco Flats Yuba River 1740 Comment
  UCD38467  Trifolium obtusiflorum Beecher Crampton 1955-6-15 2885 Placer Bunch Canyon, 3 miles south of US Hwy. 40, Forest Hill Road. Comment
  JEPS127540  Trifolium pratense Steve Matson 1998-9-1 402 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; main meadow near pond. Comment
  UCR250289  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20800 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 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
  SD247433  Trifolium subterraneum George Helmkamp 2013-3-1 20151 Placer Sacramento Valley: Ranch Hose Road, 0.6 mile southeast of Riosa Road in Sheridan (Lincoln 7.5'Q) 36 Comment
  SEINET7375918  Trifolium tridentatum A. Beninghoff 1930-4-20 1779 Placer Lincoln Comment
  CDA32950  Trifolium variegatum var. variegatum P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment