38.72111 38.82111 -120.62444 -120.52444 UC/JEPS: Consortium Search Results
Search Results — 740 specimen records retrieved (740 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC747686  Abies concolor G. Thomas Robbins 1944-10-15 1833 El Dorado 3 mi e Camino (at C.C.C. Camp Snowline) 1036 Comment
  UCD134113  Abies concolor Collector unknown Date Unknown 1592 El Dorado Summit. Comment
  UCD134203  Abies magnifica Collector unknown 1925-5-28 1593 El Dorado Summit. Comment
  UCR196841  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2008-6-3 13565 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UCR206092  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2009-6-3 14881 El Dorado Sierra Nevada Mountains Foothills, Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  UC907645  Achnatherum lemmonii G. Thomas Robbins 1943-6-10 1149 El Dorado 3 mi e Camino (north fork Webber Creek, slope above); Webber Creek 975 Comment
  UC907646  Achnatherum lemmonii G. Thomas Robbins 1943-6-10 1156 El Dorado 3 mi e Camino (North Fork Webber Creek, slope above); Webber Creek 975 Comment
  CAS-BOT-BC523901  Acmispon micranthus George K. Helmkamp; Mary Alice Barnes 2013-4-30 20429 El Dorado Northern Sierra Nevada Mountains: Capps Crossing Rd., 0.2 mi S of its jct with Mormon Emigrant Trail 1260 Comment
  SEINET13203263 Image available Acmispon parviflorus G. K. Helmkamp, Mary Alice Barnes 2013-1 20429 El Dorado Northern Sierra Nevada Mountains: Capps Crossing Road, 0.1 mile south of its junction with Mormon Emigrant Trail (Sly Park 7.5' Q.) 1260 Comment
  UC747410  Actaea rubra G. Thomas Robbins 1943-4-25 1032 El Dorado ca. 3 mi. e. Camino; N. Fork Webber Creek 914 Comment
  UC747164  Adenocaulon bicolor G. Thomas Robbins 1943-7-10 1263 El Dorado 3 mi e, along bank of North Fork Webber Creek Camino; Webber Creek 914 Comment
  UC747207  Adenocaulon bicolor G. Thomas Robbins 1945-7-16 2068 El Dorado 3 mi e, along bank of North Fork Webber Creek Camino; Webber Creek 914 Comment
  UCD160947  Adiantum aleuticum G. Ledyard Stebbins 1978-6-11 78114 El Dorado 3 miles northwest of Pollock Pines, along South Fork American River above El Dorado Powerhouse. (Exact location unknown. Coordinates estimated by label maker. Obtained location, elevation, and ecological informaiton from duplicate CAS652781) 701 Comment
  UCR171258  Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2005-7-11 9716 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UCR191067  Agoseris grandiflora George K. Helmkamp, E. A. Helmkamp 2007-6-6 12276 El Dorado Northern Sierra Nevada Mountains, junction of Bonetti Road and Mormon Emigrant Trail, east of Jenkinson Lake 1226 Comment
  UCR206096  Agoseris grandiflora George K. Helmkamp, E. A. Helmkamp 2009-6-3 14887 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 3.2 miles northwest of its junction with Pony Express Trail in Pollock Pines 1052 Comment
  UCR208562  Agoseris heterophylla George K. Helmkamp, E. A. Helmkamp 2009-5-4 14588 El Dorado Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 3.6 miles east of Sly Park Rd. and Jenkinson Lake 1226 Comment
  UC747145  Agoseris heterophylla var. cryptopleura G. Thomas Robbins 1943-4-15 998 El Dorado about 3 mi e Camino; North Fork Webber Creek 975 Comment
  SD240833  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-18 19000 El Dorado Northern Sierra Nevada Mountains: junction of Bonnetti Road (Clapps Crossing Road) and Mormon Emigrant Trail, east of Jenkinson Lake (Sly Park 7.5'Q) 1260 Comment
  UC747131  Agoseris retrorsa G. Thomas Robbins 1943-4-29 1047 El Dorado 3 mi e, along U.S. Highway 50 at C.C.C. Camp Snowline Camino 1036 Comment
  UCR237084  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-18 19000 El Dorado Northern Sierra Nevada Mountains, junction of Bonnetti Road (Capps Crossing Rd.) and Mormon Emigrant Trail, east of Jenkinson Lake 1261 Comment
  UCR258546  Agoseris retrorsa George K. Helmkamp, Mary Alice Barnes 2013-4-30 20423 El Dorado Northern Sierra Nevada Mountains, Capps Crossing Road, 0.1 mile south of its junction with Mormon Emigrant Trail 1261 Comment
  CAS-BOT-BC127516  Agrostis capillaris John Thomas Howell 1943-7-28 18895 El Dorado 2 miles west of Pacific House. 1188 Comment
  SEINET3282805 Image available Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2009-6-3 14875 El Dorado Foothills, northern Sierra Nevada Mountains; Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines. 851 Comment
  SEINET4178571 Image available Aira caryophyllea Unknown 2011-5-24 El Dorado Northern Sierra Nevada Mtns, Mesquite Rd, 11.2 mi S. of jct with Wentworth Springs Rd. 991 Comment
  UCR206007  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2009-6-3 14875 El Dorado Sierra Nevada Mountains Foothills, Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  UC217300  Allium amplectens H. M. Hall 1921-6-24 11283 El Dorado Sly Park 1066 Comment
  JEPS20280  Allium campanulatum G. Thomas Robbins 1944-6-7 1661 El Dorado 3 mi e Camino (woods above North Fork Webber Creek); North Fork Webber Creek 914 Comment
  UC747528  Allium campanulatum G. Thomas Robbins 1943-5-27 1093 El Dorado about 3 mi e Camino (woods along bank of North Fork Webber Creek); North Fork Webber Creek 914 Comment
  UC972360  Allium campanulatum G. Thomas Robbins 1945-6-23 2011 El Dorado ca. 3 mi e Camino (on wooded slope above North Fork Webber Creek); North Fork Webber Creek 975 Comment
  UCR233636  Allium campanulatum George K. Helmkamp, E. A. Helmkamp 2011-7-7 17640 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with Old Sly Park Road, southeast of Pollock Pines, 0.7 mi. SSW (191 deg. ) of Fresh Pond 1250 Comment
  SEINET11261875  Allophyllum divaricatum George Helmkamp, E. A. Helmkamp 2012-5-3 18907 El Dorado Northern Sierra Nevada Mountains Foothills: unnamed road leading to power plant, .3 mile east of South Fork American River bridge (Pollock Pines 7.5' Q.).; 0 613 Comment
  SEINET959050  Allophyllum divaricatum Unknown 2005-1 9712 El Dorado Northern Sierra Nevada Foothills: Pollock Pines area just S of US highway 50 along Country Road #5 (Pollock Pines 7.5 Q) 1159 Comment
  UCR171241  Allophyllum divaricatum George K. Helmkamp, E. A. Helmkamp 2005-7-11 9712 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UCR235620  Allophyllum divaricatum George K. Helmkamp, E. A. Helmkamp 2012-5-3 18907 El Dorado Northern Sierra Nevada Mountains Foothills, unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  UCD110006  Alnus rhombifolia T. J. Higgins 1969-5-18 46 El Dorado Hazel Creek by Jenkinson Lake, off U.S. Highway 50 at Pollock Pines. Comment
  SBBG71002  Amelanchier alnifolia Milo H. Gates 1879-1 El Dorado Camp 2, South Fork Canal Comment
  UC746997  Amelanchier utahensis G. Thomas Robbins 1943-4-24 1025 El Dorado 3 mi e Camino 1036 Comment
  UCD161005  Antennaria G. Ledyard Stebbins 1978-6-11 78115 El Dorado 3 miles northwest of Pollock Pines, along South Fork American River above El Dorado Power House. (Exact location unknown. Coordinates estimated by label maker. Location copied from Stebbins 78114.) 701 Comment
  CAS-BOT-BC137761  Anthoxanthum odoratum John Thomas Howell 1943-7-28 18905 El Dorado 2 miles west of Pacific House. Comment
  UC907649  Anthoxanthum odoratum G. Thomas Robbins 1944-7-6 1755 El Dorado 5 mi s of Pollock Pines (Sly Park); Sly Park 1005 Comment
  UCD56270  Anthoxanthum odoratum John Thomas Howell 1943-7-28 18905 El Dorado 2 miles west of Pacific House. 1219 Comment
  UCR196791  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2008-6-5 13593 El Dorado Sierra Nevada Mountains, Forbay Road, 5.3 miles north of its junction with Pony Express Trail in Pollock Pines 947 Comment
  UC746946  Aralia californica G. Thomas Robbins 1945-7-16 2066 El Dorado 3 mi. e. Camino (N. Fork Webber Creek); N. Fork Webber Creek 914 Comment
  CAS-BOT-BC24261  Arctostaphylos mewukka Gilbert Thereon Benson 1926-1-21 84 El Dorado Bullion Bend, 14 mi. above Placerville. Comment
  RSA633100  Arctostaphylos mewukka Jon E. Keeley 1993-9-13 25028 El Dorado S side of Peavine Ridge, road to Soldier Creek. 1210 Comment
  RSA633112  Arctostaphylos mewukka Jon E. Keeley 1993-9-13 25020 El Dorado South side of Peavine Ridge, road to Soldier Creek. 1160 Comment
  RSA633119  Arctostaphylos mewukka Jon E. Keeley 1993-9-13 25025 El Dorado South side of Peavine Ridge, road to Soldier Creek. 1230 Comment
  UC747666  Arctostaphylos mewukka G. Thomas Robbins 1944-3-31 1492 El Dorado 3 mi e Camino (canyon slope above creek); North Fork Webber Creek 975 Comment
  UCD52261  Arctostaphylos mewukka Roman Gankin 1965-8-31 614 El Dorado South-facing slope overlooking Sly Park Reservoir; 1 mile above Gankin home; 1/2 mile west of Pacific House. Comment
  UCD52275  Arctostaphylos mewukka Roman Gankin 1965-8-31 613 El Dorado South-facing slope overlooking Sly Park Reservoir; 1 mile above Gankin home; 1/2 mile west of Pacific House. Comment
  UCD52373  Arctostaphylos mewukka Roman Gankin 1965-8-31 615 El Dorado South-facing slope overlooking Sly Park Reservoir; 1 mile above Gankin home; 1/2 mile west of Pacific House. Comment
  CAS-BOT-BC39902  Arctostaphylos nissenana Walter Knight; Irja Knight 1965-10-22 1205 El Dorado Poho Ridge. Confluence of S. fork of American River & Brush Creek. 975 Comment
  JEPS43043  Arctostaphylos nissenana Walter Knight and Irja Knight 1965-10-22 1205 El Dorado most accessible from Pollock Pines Poho Ridge Comment
  SBBG122292  Arctostaphylos viscida subsp. viscida G. K. Helmkamp with E. A. Helmkamp 2008-4-21 13299 El Dorado jct of Bonetti Rd and Mormon Emigrant Trail, 3.6 mi E of Sly Park Rd at Jenkinson Lake 1226 Comment
  UC747552  Arctostaphylos viscida subsp. viscida G. Thomas Robbins 1943-3-26 968 El Dorado 3 mi e Camino (canyon slope above creek); North Fork Webber Creek 1036 Comment
  UCR197276  Arctostaphylos viscida subsp. viscida George K. Helmkamp, E. A. Helmkamp 2008-4-21 13299 El Dorado Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 3.6 miles east of Sly Park Road at Jenkinson Lake 1226 Comment
  SFV12199  Arnica mollis J. Major 1968-7-27 s. n. El Dorado Sierra Nevada Above south fork of Silver Creek. 2165 Comment
  UCD129159  Arnica mollis Jack Major 1968-7-27 s.n. El Dorado El Dorado County. above south fork of Silver Creek. 2164 Comment
  UCD129289  Artemisia douglasiana G. K. Helmkamp; E. A. Helmkamp 2007-9-26 13020 El Dorado Northern Sierra Nevada Mountains: junction of Bonetti Road and Mormon Emigrant Trail, 2.3 miles east of Jenkinson Lake. 1226 Comment
  UCR188558  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2007-9-26 13020 El Dorado Northern Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 2.3 miles east of Jenkinson Lake 1226 Comment
  UCR209709  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2009-8-8 15420 El Dorado Sierra Nevada Mountains Foothills, Lake Forebay, 0.8 mile northwest of Pollock Pines on Forebay Road 1195 Comment
  UCR253246  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2013-11-27 22489 El Dorado Sierra Nevada Mountains Foothills, Capp's Crossing Road at its junction with Mormon Emigrant Trail 1224 Comment
  UCR198109  Asarum hartwegii Janis Green 1976-5-1 12 El Dorado 12.1 mi northeast of somerset on Road E-16(Mount Aukum Road) 762 Comment
  RSA0012140  Asclepias cordifolia George K. Helmkamp, E. Helmkamp 2011-7-7 17641 El Dorado Park Creek Road, 0.4 mile east of its junction with Old Sly Park Road, southeast of Pollock Pines, 0.7 mi. SSW (191 deg ) of Fresh Pond 1250 Comment
  SD237291  Asclepias cordifolia G. K. Helmkamp, E. A. Helmkamp 2008-6-3 13573 El Dorado Sierra Nevada Mountains: Forbay Road, 7.1 miles northwest of CA-50 (road junction in Pollock Pines), no-outlet road leading to the South fork of the American River. 715 Comment
  SEINET1908705  Asclepias cordifolia G. K. Helmkamp, E. A. Helmkamp 2008-1 13573 El Dorado Sierra Nevada Mountains: Forbay Road, 7.1 miles northwest of CA-50 (road junction in Pollock Pines), no-outlet road leading to the South Fork of the American River (Pollock Pines 7.5' Q.; open roadside. 716 Comment
  SEINET195650  Asclepias cordifolia G. Thomas Robbins 1943-6-2 1109 El Dorado At ccc Camp Snowline. 1036 Comment
  UC747578  Asclepias cordifolia G. Thomas Robbins 1943-7-6 1246 El Dorado 3 mi e Camino; North Fork Webber Creek 975 Comment
  UC747579  Asclepias cordifolia G. Thomas Robbins 1943-6-2 1109 El Dorado C.C.C. Camp Snowline 1036 Comment
  UCR233635  Asclepias cordifolia George K. Helmkamp, E. A. Helmkamp 2011-7-7 17641 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with Old Sly Park Road, southeast of Pollock Pines, 0.7 mi. SSW (191 deg. ) of Fresh Pond 1250 Comment
  CAS-BOT-BC68081  Athyrium filix-femina subsp. cyclosorum G. Thomas Robbins 1944-6-7 1657 El Dorado North Fork Webber Creek, 3 mi. e. of Camino 975 Comment
  UC747644  Athyrium filix-femina var. cyclosorum G. Thomas Robbins 1944-6-7 1657 El Dorado 3 mi e Camino (canyon slope above N Fork Webber Creek) 975 Comment
  UCR219635  Athyrium filix-femina var. cyclosorum George K. Helmkamp, E. A. Helmkamp 2009-10-22 15700 El Dorado Sierra Nevada Mountains Foothills, Pollock Pines, Blair Road just south of its junction with Forebay Road 1125 Comment
  UC747386  Athysanus pusillus G. Thomas Robbins 1943-4-10 988 El Dorado 3 mi e of Camino (above North Fork Webber Creek) 975 Comment
  UCR235623  Athysanus pusillus George K. Helmkamp, E. A. Helmkamp 2012-5-3 18905 El Dorado Northern Sierra Nevada Mountains Foothills, unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  RSA759761  Barbarea verna George K. Helmkamp, E. A. Helmkamp 2009-5-4 14585 El Dorado junction of Bonetti Road and Mormon Emigrant Trail, 3.6 miles east of Sly Park Rd. and Jenkinson Lake 1226 Comment
  UCR208565  Barbarea verna George K. Helmkamp, E. A. Helmkamp 2009-5-4 14585 El Dorado Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 3.6 miles east of Sly Park Rd. and Jenkinson Lake 1226 Comment
  CAS-BOT-BC417616  Boykinia major H. M. Hall 1921-6-28 11377 El Dorado Sly Park 1036 Comment
  SBBG70954  Boykinia major Milo H. Gates 1879-1 El Dorado Camp 2, South Fork Canal Comment
  CAS-BOT-BC418412  Boykinia occidentalis H. M. Hall 1921-6-25 11300 El Dorado Sly Park 1036 Comment
  GH363699  Boykinia occidentalis H. M. Hall 1921-6-25 11300 Unknown Sly Park 1066 Comment
  RSA32295  Boykinia occidentalis G. Thomas Robbins 1943-6-17 1187 El Dorado Near head of Long canyon. 2-3 miles E of Pollock Pines. 976 Comment
  UC219396  Boykinia occidentalis H. M. Hall 1921-6-25 11300 El Dorado Sly Park 1066 Comment
  UC420464  Boykinia occidentalis Katharine Brandegee El Dorado Pacific House Comment
  UC747372  Boykinia occidentalis G. Thomas Robbins 1943-6-17 1187 El Dorado near head of Long Canyon 2-3 mi w Pollock PInes; head of Long Canyon 975 Comment
  SEINET196996  Brodiaea minor G. Thomas Robbins 1944-6-27 1737 El Dorado North Fork Webber Creek about 3 miles east of Camino 975 Comment
  UC747541  Brodiaea minor G. Thomas Robbins 1944-6-27 1737 El Dorado top of ridge above North Fork Webber Creek (about 3 mi e of Camino) 975 Comment
  UCR171619  Bromus carinatus George K. Helmkamp, E. A. Helmkamp 2005-7-11 9695 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UC907614  Bromus laevipes G. Thomas Robbins 1943-6-10 1157 El Dorado about 3 mi e of Camino (above North Fork Webber Creek) 975 Comment
  UC907659  Bromus orcuttianus G. Thomas Robbins 1945-7-15 2062 El Dorado 3 mi e of Camino (along U.S. Highway 50); U.S. Highway 50 1036 Comment
  CAS-BOT-BC438798  Calocedrus decurrens George K. Helmkamp; E. A. Helmkamp 2013-11-27 22491 El Dorado Sierra Nevada Mountains Foothills: Capp's Crossing Road at its junction with Mormon Emigrant Trail. 1224 Comment
  SDSU1791  Calocedrus decurrens Harold Wier 1972-8-20 009 El Dorado Ten miles east of Placerville, on Highway 50. Comment
  UC183375  Calocedrus decurrens Arthur Baumhoff 1914-9-1 El Dorado Sportsman's Hall Fyffe Comment
  UC747693  Calocedrus decurrens G. Thomas Robbins 1944-2-6 1484 El Dorado 3 mi e of Camino (C. C. C. Camp Snowline) 1036 Comment
  UCR253244  Calocedrus decurrens George K. Helmkamp, E. A. Helmkamp 2013-11-27 22491 El Dorado Sierra Nevada Mountains Foothills, Capp's Crossing Road at its junction with Mormon Emigrant Trail 1224 Comment
  UCR196854  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2008-6-5 13595 El Dorado Sierra Nevada Mountains, Forbay Road, 5.3 miles north of its junction with Pony Express Trail in Pollock Pines 947 Comment
  UC747010  Calochortus clavatus var. avius G. Thomas Robbins 1944-7-12 1762 El Dorado about 3 mi e Camino (on slope above North Fork Webber Creek) 914 Comment
  UC747533  Calochortus clavatus var. avius G. Thomas Robbins 1945-7-16 2064 El Dorado about 3 mi e Camino (on slope above North Fork Webber Creek) 914 Comment
  UC747650  Calochortus clavatus var. avius G. Thomas Robbins 1943-7-10 1264 El Dorado about 3 mi e Camino (above North Fork Webber Creek) 914 Comment
  UCR258550  Calochortus minimus George K. Helmkamp, Mary Alice Barnes 2013-4-30 20420 El Dorado Northern Sierra Nevada Mountains, Capps Crossing Road, 0.1 mile south of its junction with Mormon Emigrant Trail 1261 Comment
  SEINET5218930  Calochortus monophyllus Unknown 1995-6-17 05 El Dorado on highway 50 outside Placerville Comment
  UC747551  Calochortus nudus G. Thomas Robbins 1943-4-25 1029 El Dorado ca 3 mi e Camino (on ridge se and above North Fork Webber Creek canyon) 1036 Comment
  UC85610  Calochortus nudus Katharine Brandegee 1907-5-23 El Dorado 12 mi above Placerville (near Sportsman's Hall) Comment
  UC747175  Calycadenia truncata G. Thomas Robbins 1943-7-15 1269 El Dorado 3 mi e Camino; North Fork Webber Creek 975 Comment
  UCR171248  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-7-11 9711 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UC747429  Capsella bursa-pastoris G. Thomas Robbins 1944-5-7 1594 El Dorado 3 mi e of Camino (along North Fork Webber Creek, on site of abandoned sawmill); North Fork Webber Creek 914 Comment
  UC747398  Cardamine californica G. Thomas Robbins 1944-3-28 1491 El Dorado along U.S. Highway 50 3 mi e Camino; e of Camino 1036 Comment
  UCR208560  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2009-5-4 14591 El Dorado Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 3.6 miles east of Sly Park Rd. and Jenkinson Lake 1226 Comment
  SD237239  Carex bolanderi G. K. Helmkamp, E. A. Helmkamp 2008-6-3 13576 El Dorado Sierra Nevada Mountains: Forbay Road, 7.1 miles northwest of CA-50 (road junction in Pollock Pines). No-outlet road leading to the South Fork of the American River. 715 Comment
  UCR206091  Carex feta George K. Helmkamp, E. A. Helmkamp 2009-6-3 14880 El Dorado Sierra Nevada Mountains Foothills, Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  UC907665  Carex fracta G. Thomas Robbins 1944-6-7 1662 El Dorado 3 mi E of Camino (North Fork Webber Creek) 914 Comment
  CAS-BOT-BC32198  Carex multicaulis John Thomas Howell 1943-7-28 18900 El Dorado 2 mi W of Pacific House. Comment
  UCD146964  Carex multicaulis Chuck Hughes 2012-6-19 335 El Dorado About 50 feet south of Blair Road. 1136 Comment
  UCR258232  Carex multicaulis George K. Helmkamp, Mary Alice Barnes 2013-4-30 20422 El Dorado Northern Sierra Nevada Mountains, Capps Crossing Road, 0.1 mile south of its junction with Mormon Emigrant Trail 1261 Comment
  UC747497  Carex subfusca G. Thomas Robbins 1944-7-6 1747 El Dorado 5 mi s Pollock Pines; Sly Park 975 Comment
  UC907705  Castilleja applegatei subsp. pinetorum G. Thomas Robbins 1943-5-2 1061 El Dorado ca 3 mi e Camino (slope above North Fork Webber Creek) 914 Comment
  UC747126  Castilleja attenuata G. Thomas Robbins 1945-5-17 1909 El Dorado about 3 mi e Camino (canyon side above the North Fork Webber Creek) 1005 Comment
  UC219419  Castilleja lacera H. M. Hall 1921-6-26 11306 El Dorado Sly Park 1066 Comment
  CAS-BOT-BC49345  Ceanothus cuneatus Peter H. Raven; H. L. Mason; R. Ornduff 1957-4-27 10698 El Dorado Sierra Nevada, 3.8 miles e. of Camino Comment
  UC746921  Ceanothus cuneatus var. cuneatus G. Thomas Robbins 1943-4-10 989 El Dorado 3 mi above Camino (canyon side above North Fork Webber Creek) 1036 Comment
  CAS-BOT-BC49812  Ceanothus diversifolius John Thomas Howell 1943-7-28 18897 El Dorado 2 milest west of Pacific House Comment
  UC746919  Ceanothus integerrimus G. Thomas Robbins 1943-7-23 1282 El Dorado 3 mi e. Camino 1036 Comment
  UCR171239  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2005-7-11 9692 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR237034  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2012-5-18 19007 El Dorado Northern Sierra Nevada Mountains, junction of Bonnetti Road (Capps Crossing Rd.) and Mormon Emigrant Trail, east of Jenkinson Lake 1261 Comment
  UCR258544  Ceanothus integerrimus George K. Helmkamp, Mary Alice Barnes 2013-4-30 20425 El Dorado Northern Sierra Nevada Mountains, Capps Crossing Road, 0.1 mile south of its junction with Mormon Emigrant Trail 1261 Comment
  UCSB22593  Ceanothus integerrimus James, C. 1966-5-14 El Dorado On north side of Highway 50 at Pollock Pines turnoff. 1188 Comment
  CAS-BOT-BC50676  Ceanothus integerrimus var. macrothyrsus Alice M. King 1943-7-28 18899 El Dorado 2 miles west of Pacific House Comment
  CAS-BOT-BC52029  Ceanothus prostratus Gilbert T. Benson 1924-4-12 1 El Dorado 6 miles East of Camino on Lincoln Highway Comment
  UC746930  Ceanothus prostratus G. Thomas Robbins 1943-7-23 1281 El Dorado 3 mi e Camino (at C.C.C. Camp Snowline); e of Camino 1036 Comment
  UC747322  Ceanothus prostratus G. Thomas Robbins 1943-4-11 990 El Dorado along US Hwy 50, 3 mi E of Camino 1036 Comment
  UCR198530  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 2008-4-21 13298 El Dorado Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 3.6 miles east of Sly Park Road at Jenkinson Lake 1226 Comment
  UCR258533  Ceanothus prostratus George K. Helmkamp, Mary Alice Barnes 2013-4-30 20421 El Dorado Northern Sierra Nevada Mountains, Capps Crossing Road, 0.1 mile south of its junction with Mormon Emigrant Trail 1261 Comment
  UC746918  Ceanothus tomentosus G. Thomas Robbins 1943-4-25 1034 El Dorado ca 3 mi e Camino (slope above North Fork Webber Creek); above North Fork Webber Creek 914 Comment
  UC746920  Ceanothus tomentosus G. Thomas Robbins 1943-6-29 1240 El Dorado about 3 mi e Camino (above North Fork Webber Creek); North Fork Webber Creek 914 Comment
  UCR171234  Centaurea cyanus George K. Helmkamp, E. A. Helmkamp 2005-7-11 9706 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UC1008642  Centaurium venustum G. Thomas Robbins 1943-6-5 1127 El Dorado 3 mi e Camino (on canyon slope above North Fork Webber Creek) 1036 Comment
  UC747606  Centaurium venustum G. Thomas Robbins 1943-7-15 1267 El Dorado about 3 mi e Camino (canyon slope above North Fork Webber Creek) 975 Comment
  UC746955  Cephalanthera austiniae G. Thomas Robbins 1943-6-8 1142 El Dorado ca. 3 mi. e. Camino (N. Fork Webber Creek); N. Fork Webber Creek 914 Comment
  UC746962  Cephalanthera austiniae G. Thomas Robbins 1944-6-29 1746 El Dorado ca. 3 mi. e. Camino (along bank N. Fork Webber Creek); N. Fork Webber Creek 914 Comment
  CAS-BOT-BC388277  Cerastium glomeratum G. K. Helmkamp; E. A. Helmkamp 2009-6-3 14879 El Dorado Foothills, northern Sierra Nevada Mountains: Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  UCR206090  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2009-6-3 14879 El Dorado Sierra Nevada Mountains Foothills, Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  UC907773  Chaenactis glabriuscula var. heterocarpha G. Thomas Robbins 1944-5-21 1613 El Dorado 3 mi e of Camino (on canyon side above North Fork Webber Creek); North Fork Webber Creek 975 Comment
  A345564  Chamaebatia foliolosa A. A. Heller 1915-8-7 12197 Unknown On the Lincoln Highway to 10 miles east of Placerville 975 Comment
  CAS-BOT-BC140768  Chamaebatia foliolosa A. A. Heller 1915-8-7 12197 El Dorado On the Lincoln Highway 10 miles east of Placerville 975 Comment
  CAS-BOT-BC140774  Chamaebatia foliolosa A. A. Heller 1915-8-7 12197 El Dorado On the Lincoln Highway 10 miles east of Placerville 975 Comment
  GH345583  Chamaebatia foliolosa A. A. Heller 1915-8-7 12197 Unknown On the Lincoln Highway to 10 miles east of Placerville 975 Comment
  LA207918  Chamaebatia foliolosa A. A. Heller; 1915-8-7 sn El Dorado On the Lincoln Hwy. 10 mi. E of Placerville 975 Comment
  RSA31132  Chamaebatia foliolosa A. A. Heller 1915-8-7 12197 El Dorado On the Lincoln Hwy to miles E of Placerville. 976 Comment
  UC746971  Chamaebatia foliolosa G. Thomas Robbins 1943-6-2 1110 El Dorado 3 mi e of Camino (at CCC Camp Snowline) 1036 Comment
  UCD19830  Chamaebatia foliolosa C. H. Lamoureux; M. Ingle and J. Major 1956-5-19 1077 El Dorado Pollock Pines. Comment
  UCR171231  Chamaebatia foliolosa George K. Helmkamp, E. A. Helmkamp 2005-7-11 9709 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UCR206089  Chamaebatia foliolosa George K. Helmkamp, E. A. Helmkamp 2009-6-3 14889 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 3.2 miles northwest of its junction with Pony Express Trail in Pollock Pines 1052 Comment
  UC747295  Chamaesyce serpyllifolia G. Thomas Robbins 1944-6-27 1735 El Dorado 3 mi e Camino (slope above North Fork of Webber Creek) 975 Comment
  SD239705  Chenopodium George K. Helmkamp, E. A. Helmkamp 2011-10-13 18424 El Dorado Northern Sierra Nevada Mountains: Pony Express Trail, 0.9 mile east of Sly Park Road in Pollock Pines (Pollock Pines 7.5'Q) 1220 Comment
  SEINET3828365  Chenopodium George K. Helmcamp, E. A. Helmkamp 2011-1 18424 El Dorado Northern Sierra Nevada Mountains: Pony Express Trail, 0.9 mile east of Sly Park Road in Pollock Pines. 7.5 1219 Comment
  UCR232605  Chenopodium George K. Helmkamp, E. A. Helmkamp 2011-10-13 18424 El Dorado Northern Sierra Nevada Mountains, Pony Express Trail, 0.9 mile east of Sly Park Road in Pollock Pines 1220 Comment
  RSA0110268  Chenopodium berlandieri George K. Helmkamp, E. Helmkamp 2011-10-13 18424 El Dorado Pony Express Trail, 0.9 mile east of Sly Park Road in Pollock Pines 1220 Comment
  UC746898  Chenopodium botrys G. Thomas Robbins 1943-7-6 1248 El Dorado 3 mi e Camino; C.C.C. Camp Snowline 1036 Comment
  UCR171243  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2005-7-11 9702 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UC1120950  Chimaphila umbellata P. L. Johannsen 1934-10-18 521 El Dorado 1 1/2 mi. s.e. Big X Mt.; El Dorado Nat'l Forest, Placerville Quad. Comment
  UC747015  Chlorogalum pomeridianum var. pomeridianum G. Thomas Robbins 1944-6-29 1745 El Dorado ca 3 mi e Camino (above North Fork Webber Creek); North Fork Webber Creek 914 Comment
  UCD130414  Chondrilla juncea G. K. Helmkamp; E. A. Helmkamp 2007-9-26 13021 El Dorado Northern Sierra Nevada Mountains: junction of Bonetti Road and Mormon Emigrant Trail, 2.3 miles east of Jenkinson Lake. 1226 Comment
  UCR188559  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2007-9-26 13021 El Dorado Northern Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 2.3 miles east of Jenkinson Lake 1226 Comment
  CAS-BOT-BC252681  Chorizanthe membranacea G. Thomas Robbins 1943-6-5 1654 El Dorado Above North Fork Webber Creek, 3 mi. E of Camino 975 Comment
  UC746877  Chorizanthe membranacea G. Thomas Robbins 1943-6-5 1654 El Dorado 3 mi e Camino (above North Fork Webber Creek); above North Fork Webber Creek 975 Comment
  UCR171332  Chrysanthemum leucanthemum George K. Helmkamp, E. A. Helmkamp 2005-7-11 9698 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UC747285  Circaea alpina subsp. pacifica G. Thomas Robbins 1943-6-8 1141 El Dorado ca. 3 mi. e. Camino (N. Fork Webber Creek); N. Fork Webber Creek 914 Comment
  UC101804  Clarkia arcuata Katharine Brandegee 1907-5-22 El Dorado 12 mi above Placerville (Sportsman's Hall) Comment
  UC747276  Clarkia arcuata G. Thomas Robbins 1944-5-21 1612 El Dorado 3 mi e Camino; North Fork Webber Creek 975 Comment
  UC747269  Clarkia heterandra G. Thomas Robbins 1945-6-23 2005 El Dorado ca. 3 mi. e. Camino (canyon slope above N. Fork Webber Creek) 975 Comment
  CAS-BOT-BC164789  Clarkia rhomboidea G. Thomas Robbins 1945-7-15 2061 El Dorado Along U.S. Highway 50, 3 mi. e. of Camino 1036 Comment
  RSA714444  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2005-7-11 9683 El Dorado Nothern Sierra Nevada Foothills: 30 miles SW of Lake Tahoe; 1 mile E of Jenkinson Lake along Mormon Emigrant Road (County Highway 5). 1220 Comment
  SEINET4138077 Image available Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2011-7-7 17632 El Dorado Northern Sierra Nevada Mountain Foothills: Park Creek Road, 0.4 mile E of junction with Sly Park Road, 1.4 mi SE of Pollock Pines 1289 Comment
  UC747273  Clarkia rhomboidea G. Thomas Robbins 1945-7-15 2061 El Dorado 3 mi e Camino (along U. S. Highway 50) 1036 Comment
  UC747283  Clarkia rhomboidea G. Thomas Robbins 1943-6-17 1183 El Dorado 3 mi e Camino (along U.S. Highway 50) 1036 Comment
  UCR171250  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2005-7-11 9714 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UCR171255  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2005-7-11 9683 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR191041  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2007-6-6 12274 El Dorado Northern Sierra Nevada Mountains, junction of Bonetti Road and Mormon Emigrant Trail, east of Jenkinson Lake 1226 Comment
  UCR242600  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2011-7-7 17632 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111 deg. ) of Pollock Pines 1290 Comment
  UC112802  Clarkia williamsonii Katharine Brandegee, Emma Baumhoff Jul 1908 El Dorado 12 mi e Placerville (near Sportsman's Hall (Fyffe P.O.)) Comment
  UC746853  Claytonia parviflora subsp. grandiflora G. Thomas Robbins 1943-4-10 987 El Dorado about 3 mi e Camino (slope above North Fork Webber Creek) 975 Comment
  UCR208561  Claytonia parviflora subsp. parviflora George K. Helmkamp, E. A. Helmkamp 2009-5-4 14590 El Dorado Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 3.6 miles east of Sly Park Rd. and Jenkinson Lake 1226 Comment
  UCR258543  Claytonia parviflora subsp. parviflora George K. Helmkamp, Mary Alice Barnes 2013-4-30 20426 El Dorado Northern Sierra Nevada Mountains, Capps Crossing Road, 0.1 mile south of its junction with Mormon Emigrant Trail 1261 Comment
  SD239880  Claytonia perfoliata subsp. perfoliata G. K. Helmkamp, E. A. Helmkamp 2008-6-3 13555 El Dorado Sierra Nevada Mountains: Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 (Pollock Pines 7.5'Q) 1213 Comment
  UCR196835  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, E. A. Helmkamp 2008-6-3 13555 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UCR258542  Claytonia rubra subsp. rubra George K. Helmkamp, Mary Alice Barnes 2013-4-30 20427 El Dorado Northern Sierra Nevada Mountains, Capps Crossing Road, 0.1 mile south of its junction with Mormon Emigrant Trail 1261 Comment
  SD236416  Collinsia tinctoria G. K. Helmkamp, E. A. Helmkamp 2008-6-3 13572 El Dorado Sierra Nevada Mountains: Forbay Road, 7.1 miles northwest of CA-50 (road junction in Pollock Pines), no-outlet road leading to the South Fork of the American River 715 Comment
  UC747084  Collinsia tinctoria G. Thomas Robbins 1945-6-23 2010 El Dorado 3 mi e of Camino (on canyon slope above North Fork Webber Creek) 975 Comment
  UC747089  Collinsia torreyi var. torreyi G. Thomas Robbins 1943-6-13 1170 El Dorado 2 mi w of Park Creek (along road to Park Creek) 1219 Comment
  SEINET11266300  Collomia grandiflora George Helmkamp, E. A. Helmkamp 2011-7-7 17630 El Dorado Northern Sierra Nevada Mountains: Park Creek Road, 0.4 miles east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (1111/4) of Pollock Pines (Pollock Pines 7.5' Q.); 0 1289 Comment
  SEINET959165  Collomia grandiflora G. K. Helmkamp, E. A. Helmkamp 2005-1 9703 El Dorado Northern Sierra Nevada Foothills: Pollock Pines are just South of US highway 50 along County Road #5 (Pollock Pines 7.5' Q) 1158 Comment
  UC747612  Collomia grandiflora G. Thomas Robbins 1944-6-27 1740 El Dorado top ridge above North Fork Webber Creek (about 3 mi e of Camino) 975 Comment
  UCR171232  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2005-7-11 9703 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UCR242576  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2011-7-7 17630 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111 deg. ) of Pollock Pines 1290 Comment
  RSA114106  Collomia heterophylla G. Thomas Robbins 1943-6-20 1189 El Dorado near head of Long Canyon, 2 to 3 miles west of Pollock Pines below and just south of road to powerhouse 915 Comment
  UC747618  Collomia heterophylla G. Thomas Robbins 1943-6-20 1189 El Dorado open sites in woods near head of Long Canyon (2-3 mi w of Pollock Pines) 1066 Comment
  UCR232603  Conyza canadensis George K. Helmkamp, E. A. Helmkamp 2011-10-13 18426 El Dorado Northern Sierra Nevada Mountains, Pony Express Trail, 0.9 mile east of Sly Park Road in Pollock Pines 1220 Comment
  SEINET9311287  Cornus nuttallii Unknown 2009-10-22 15701 El Dorado Sierra Nevada Mountains Foothills Comment
  UC747239  Cornus nuttallii G. Thomas Robbins 1943-4-24 1027 El Dorado ca. 3 mi. e. Camino 975 Comment
  UCD117155  Cornus nuttallii Robert C. Bechtel 1952-5-3 88 El Dorado Pollock Pines. 1066 Comment
  UCR173304  Cornus nuttallii George K. Helmkamp, Elizabeth Helmkamp 2006-5-18 10476 El Dorado Northern Sierra Nevada Foothills, Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 mi. NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservior, c. 1.4 air mi. N of US Hwy 50) 1189 Comment
  UCR219634  Cornus nuttallii George K. Helmkamp, E. A. Helmkamp 2009-10-22 15701 El Dorado Sierra Nevada Mountains Foothills, Pollock Pines, Blair Road just south of its junction with Forebay Road 1125 Comment
  JEPS50173  Cornus sessilis K. Brandegee 1907-5-23 El Dorado Pacific House Comment
  UC122499  Cornus sessilis Katharine Brandegee 1907-5 El Dorado near Pacific House on Tahoe Rd., fruit near Riverton 5 mi. distant Comment
  UCD19896  Corylus cornuta subsp. californica C. H. Lamoureux; R. Gankin 1957-3-24 1176 El Dorado Near R. Gankin's cabin, 1 mile west of Pacific House, along Hwy 50. Comment
  SD113256  Corylus cornuta var. californica Darley F. Howe 1960-9-19 2974 El Dorado 10 miles east of Placerville on #50 1035 Comment
  SBBG63606  Cryptantha affinis H. M. Hall 1921-6-24 11276 El Dorado Sly Park 1066 Comment
  UC219322  Cryptantha affinis H. M. Hall 1921-6-24 11276 El Dorado Sly Park, in Sierran foothills Sierra Nevada 1066 Comment
  UC907717  Cryptantha flaccida G. Thomas Robbins 1945-6-23 2012 El Dorado about 3 mi e Camino; North Fork Webber Creek 975 Comment
  UC907689  Cryptantha intermedia G. Thomas Robbins 1945-6-23 2009 El Dorado 3 mi e Camino (slope above North Fork Webber Creek) 975 Comment
  UC907716  Cryptantha intermedia G. Thomas Robbins 1945-6-3 1967 El Dorado 1.5 mi ne Pollock Pines 1158 Comment
  UC280517  Cryptantha simulans Katharine Brandegee El Dorado 12 mi above Placerville (Sportsman's Hall, Fa<???>e P.O>) Comment
  UC747563  Cryptantha simulans G. Thomas Robbins 1943-6-17 1184 El Dorado about 3 mi e Camino (along U.S. Highway 50) 1036 Comment
  UC907714  Cryptantha simulans G. Thomas Robbins 1944-6-3 1645 El Dorado 3 mi e Camino (at C.C.C. Camp Snowline) 1036 Comment
  UC747568  Cuscuta subinclusa G. Thomas Robbins 1944-9-3 1829 El Dorado 2-3 mi e Camino 914 Comment
  CAS-BOT-BC190386  Cynosurus echinatus R. E. Frenkel 1964-6-11 550 El Dorado On Sly Park Road, 0.2 mile southeast of Clear Creek Road, Pleasant Valley. 792 Comment
  SD62132  Cynosurus echinatus D. F. Howe 1965-5-22 4071 El Dorado 10.3 miles south of Placerville 487 Comment
  SDSU984  Cynosurus echinatus D. F. Howe 1965-5-22 4071 El Dorado 10.3 miles south of Placerville 488 Comment
  SEINET2441655  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2009-6-3 14884 El Dorado Foothills, northern Sierra Nevada Mountains: Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines (Pollock Pines 7.5' Q.).; 0 851 Comment
  SEINET3282804 Image available Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2009-6-3 14884 El Dorado Sierra Nevada Mountains Foothills; Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines. 851 Comment
  SEINET3828327  Cynosurus echinatus George K. Helmcamp, E. A. Helmkamp 2012-1 18906 El Dorado Northern Sierra Nevada Mountains Foothills: Unnamed road leading to power plant 0.3 mile east of South Fork American River bridge. Pollock Pines 7.5 '. 613 Comment
  SEINET4142469 Image available Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2012-5-3 18906 El Dorado Northern Sierra Nevada Mountain Foothills: unnamed road leading to power plant, 0.3 mi. E of South Fork American River bridge 613 Comment
  UC907639  Cynosurus echinatus G. Thomas Robbins 1943-6-10 1146 El Dorado about 3 mi e Camino; on canyon slope above North Fork Webber Creek 975 Comment
  UCR171320  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2005-7-11 9687 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR206094  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2009-6-3 14884 El Dorado Sierra Nevada Mountains Foothills, Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  UCR235621  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2012-5-3 18906 El Dorado Northern Sierra Nevada Mountains Foothills, unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  SEINET1908700  Cystopteris fragilis G. K. Helmkamp, E. A. Helmkamp 2008-1 13551 El Dorado Sierra Nevada Mountains: Pony Express Trail, 0.8 mile east of Sly Park Road (Pollack Pines) and parallel to US-50 (Pollack Pines 7.5' Q). 1213 Comment
  UC747648  Cystopteris fragilis G. Thomas Robbins 1944-6-7 1658 El Dorado ca. 3 mi e Camino (along N Fork Webber Creek) 914 Comment
  UC964820  Cystopteris fragilis G. Thomas Robbins 1944-6-7 1658 El Dorado ca. 3 mi e Camino (along N Fork Webber Creek) 914 Comment
  UC964859  Cystopteris fragilis G. Thomas Robbins 1945-6-9 1975 El Dorado ca. 3 mi e Camino (above N Fork Webber Creek) 975 Comment
  UCR196941  Cystopteris fragilis George K. Helmkamp, E. A. Helmkamp 2008-6-3 13551 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UCR237072  Dactylis glomerata George K. Helmkamp, E. A. Helmkamp 2012-5-18 19003 El Dorado Northern Sierra Nevada Mountains, junction of Bonnetti Road (Capps Crossing Rd.) and Mormon Emigrant Trail, east of Jenkinson Lake 1261 Comment
  UC747344  Darmera peltata G. Thomas Robbins 1943-5-23 1085 El Dorado North Fork Webber Creek, 3 mi E of Camino. 914 Comment
  UC747355  Darmera peltata G. Thomas Robbins 1943-4-10 983 El Dorado 3 mi e Camino (in at edge of North Fork Webber Creek); North Fork Webber Creek 944 Comment
  CAS-BOT-BC8810  Delphinium gracilentum Guy Thomas Robbins 1943-5-8 1077 El Dorado Along U.S. Highway 50, 3 mi. E of Camino 1036 Comment
  UC747434  Delphinium gracilentum G. Thomas Robbins 1945-6-23 2006 El Dorado canyon slope above North Fork Webber Creek (about 3 mi e of Camino) 975 Comment
  UC747442  Delphinium gracilentum G. Thomas Robbins 1943-5-8 1077 El Dorado along US Hwy 50 3 mi e Camino 1036 Comment
  UC747395  Dendromecon rigida G. Thomas Robbins 1943-6-20 1198 El Dorado along road to powerhouse 4-5 mi nw Pollock Pines (n-facing wall of canyon); canyon of South Fork American River 914 Comment
  UC747399  Dicentra formosa G. Thomas Robbins 1943-4-25 1031 El Dorado ca 3 mi e Camino (along bank of North Fork of Webber Creek); North Fork of Webber Creek 914 Comment
  CAS-BOT-BC402364  Dicentra formosa subsp. formosa G. Thomas Robbins 1943-4-25 1031 El Dorado Along bank of North Fork Webber Creek, ca. 3 mi. e. of Camino 914 Comment
  SD239511  Dichelostemma multiflorum G. K. Helmkamp, E. A. Helmkamp 2008-6-5 13591 El Dorado Sierra Nevada Mountains: Forbay Road, 5.3 miles north of its junction with Pony Express Trail in Pollock Pines (Slate Mountain 7.5'Q) 947 Comment
  UC747537  Dichelostemma multiflorum G. Thomas Robbins 1943-6-10 1158 El Dorado 3 mi e Camino (at C.C.C. Camp Snowline) 1036 Comment
  UCR191102  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-6-8 12313 El Dorado Northern Sierra Nevada Mountains, junction of Bonetti Road and Mormon Emigrant Trail [Silver Lake Rd.], east of Jenkinson Lake 1226 Comment
  UCR196858  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2008-6-5 13591 El Dorado Sierra Nevada Mountains, Forbay Road, 5.3 miles north of its junction with Pony Express Trail in Pollock Pines 947 Comment
  UCR206112  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2009-6-3 14992 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 3.2 miles northwest of its junction with Pony Express Trail in Pollock Pines 1052 Comment
  CAS-BOT-BC257277  Diplacus viscidus George K. Helmkamp; E. A. Helmkamp 2011-7-7 17635 El Dorado Northern Sierra Nevada Mountains: Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111 deg. ) of Pollock Pines 1290 Comment
  UC747622  Dodecatheon hendersonii G. Thomas Robbins 1943-4-10 985 El Dorado 3 mi e Camino; canyon slope North Fork Webber Creek, e of Camino 975 Comment
  UC964821  Dryopteris arguta G. Thomas Robbins 1944-6-7 1657 El Dorado 3 mi e Camino (above N Fork Webber Creek) 975 Comment
  UCD146966  Duchesnea indica var. indica Chuck Hughes 2012-6-19 337 El Dorado About 15 feet south of Blair Road. 1136 Comment
  UCD146972  Dysphania botrys Chuck Hughes 2012-7-26 343 El Dorado Near Pollock Pines. 1134 Comment
  UCR232604  Dysphania botrys George K. Helmkamp, E. A. Helmkamp 2011-10-13 18425 El Dorado Northern Sierra Nevada Mountains, Pony Express Trail, 0.9 mile east of Sly Park Road in Pollock Pines 1220 Comment
  UC907664  Eleocharis bella G. Thomas Robbins 1944-7-6 1758 El Dorado 5 mi S of Pollock Pines (Sly Park) 975 Comment
  CAS-BOT-BC113564  Eleocharis bolanderi Guy Thomas Robbins 1945-6-23 2004 El Dorado Canyon slope above North Fork Webber Creek ca. 3 mi E of Camino. 975 Comment
  UC907704  Eleocharis bolanderi G. Thomas Robbins 1945-6-23 2004 El Dorado 3 mi E of Camino (canyon slope above North Fork Webber Creek) 975 Comment
  UCR248537  Elymus George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21037 El Dorado Northern Sierra Nevada Mountains, Mormon Emigrant Trail, 0.1 mile west of the junction with Capps Crossing Road, 6.3 km SE (127 deg. ) of Pollock Pines, just east of Jenkinson Lake 1221 Comment
  UC907632  Elymus glaucus G. Thomas Robbins 1944-6-15 1693 El Dorado 3 mi e Camino; C.C.C. Camp Snowline 1036 Comment
  UC907636  Elymus glaucus G. Thomas Robbins 1943-6-10 1148 El Dorado slope above North Fork Webber Creek (about 3 mi e of Camino) 975 Comment
  UCR196845  Elymus glaucus George K. Helmkamp, E. A. Helmkamp 2008-6-3 13570 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UC907643  Elymus multisetus G. Thomas Robbins 1943-6-10 1155 El Dorado canyon slope above North Fork Webber Creek (about 3 mi e of Camino) 975 Comment
  RSA121161  Epilobium canum subsp. latifolium H. C. Lee 1934-8-24 21 Alpine 1 mile west of Pacific Heights 2470 Comment
  UC747232  Epilobium densiflorum G. Thomas Robbins 1943-7-15 1268 El Dorado canyon slope above North Fork Webber Creek (about 3 mi e of Camino) 975 Comment
  UC747235  Epilobium densiflorum G. Thomas Robbins 1944-7-6 1750 El Dorado 5 mi s Pollock Pines; Sly Park 1005 Comment
  UC747310  Eremocarpus setiger G. Thomas Robbins 1943-7-15 1266 El Dorado flat above North Fork Webber Creek (about 3 mi e of Camino) 975 Comment
  POM359542  Ericameria discoidea Albert J. Perkins 1923-8-26 s.n. El Dorado Summit of Mts , Lake Tahoe Region, 3049 Comment
  UC747178  Erigeron inornatus var. inornatus G. Thomas Robbins 1943-6-29 1239 El Dorado on wooded slope of North Fork Webber Creek canyon (ca. 3 mi e of Camino) 914 Comment
  UCR171245  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2005-7-11 9699 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR196790  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2008-6-5 13592 El Dorado Sierra Nevada Mountains, Forbay Road, 5.3 miles north of its junction with Pony Express Trail in Pollock Pines 947 Comment
  CAS-BOT-BC253099  Eriogonum roseum G. Thomas Robbins 1944-9-24 1831 El Dorado On canyon side above North Fork Webber Creek, ca. 3 mi. E of Camino 975 Comment
  UC746876  Eriogonum roseum G. Thomas Robbins 1944-9-24 1831 El Dorado ca. 3 mi e Camino (on canyon side above North Fork Webber Creek); North Fork Webber Creek 975 Comment
  UCD132174  Eriophyllum lanatum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-18 1071 El Dorado Northern Sierra Nevada Foothills. Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 miles NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservoir, ca. 1.4 air miles N of US Hwy 50). 1189 Comment
  UCR173305  Eriophyllum lanatum George K. Helmkamp, Elizabeth Helmkamp 2006-5-18 10471 El Dorado Northern Sierra Nevada Foothills, Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 mi. NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservior, c. 1.4 air mi. N of US Hwy 50) 1189 Comment
  UC217377  Eriophyllum lanatum var. achilleoides H. M. Hall 1921-6-22 11292 El Dorado Sly Park 1036 Comment
  UCR171184  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2005-7-11 9682 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR171233  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2005-7-11 9705 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UCR272417  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2011-7-7 17638 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with Old Sly Park Road, southeast of Pollock Pines, 0.7 mi. SSW (191 deg. ) of Fresh Pond 1250 Comment
  UC747194  Eriophyllum lanatum var. croceum G. Thomas Robbins 1943-6-17 1186 El Dorado 3 mi e Camino (along U.S. Highway 50) 1036 Comment
  UCR196863  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2008-6-3 13563 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  RSA755990  Erodium cicutarium George K. Helmkamp, E. A. Helmkamp 2009-6-3 14878 El Dorado Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  SEINET2441668  Erodium cicutarium George K. Helmkamp 2009-6-3 14878 El Dorado Foothills, northern Sierra Nevada Mountains: Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines (Pollock Pines 7.5' Q.). 851 Comment
  UCR206000  Erodium cicutarium George K. Helmkamp, E. A. Helmkamp 2009-6-3 14878 El Dorado Sierra Nevada Mountains Foothills, Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  UCR208564  Erodium cicutarium George K. Helmkamp, E. A. Helmkamp 2009-5-4 14586 El Dorado Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 3.6 miles east of Sly Park Rd. and Jenkinson Lake 1226 Comment
  UC747396  Eschscholzia caespitosa G. Thomas Robbins 1945-6-9 1977 El Dorado about 3 mi e Camino (canyon slope above creek); North Fork Webber Creek 975 Comment
  SEINET4691437  Festuca microstachys George K. Helmkamp, E. A. Helmkamp 2011-1 17375 El Dorado Northern Sierra Nevada Mountains Foothills: Mesquite Road, 11.2 miles south of its junction with Wentworth Springs Road, 7.3 mi NE (42 degrees) of Placerville. 1073 Comment
  UCR191069  Festuca microstachys George K. Helmkamp, E. A. Helmkamp 2007-6-6 12275 El Dorado Northern Sierra Nevada Mountains, junction of Bonetti Road and Mormon Emigrant Trail, east of Jenkinson Lake 1226 Comment
  UCR237437  Festuca microstachys var. microstachys George K. Helmkamp, E. A. Helmkamp 2012-5-18 19001 El Dorado Northern Sierra Nevada Mountains, junction of Bonnetti Road (Capps Crossing Rd.) and Mormon Emigrant Trail, east of Jenkinson Lake 1261 Comment
  UC747004  Fragaria vesca G. Thomas Robbins 1944-5-16 1609 El Dorado about 3 mi e Camino (along bank of North Fork Webber Creek); North Fork Webber Creek 914 Comment
  UCR237448  Fritillaria atropurpurea George K. Helmkamp, E. A. Helmkamp 2012-5-18 19004 El Dorado Northern Sierra Nevada Mountains, junction of Bonnetti Road (Capps Crossing Rd.) and Mormon Emigrant Trail, east of Jenkinson Lake 1261 Comment
  GH385635  Galium aparine G. T. Robbins 1944-6-3 1647 Unknown C.C.C. Camp Snowline, three miles east of Camino 1036 Comment
  UC747060  Galium aparine G. Thomas Robbins 1944-6-3 1647 El Dorado 3 mi e Camino; C.C.C. Camp Snowline 1036 Comment
  UCR171256  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2005-7-11 9694 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR252932  Galium californicum subsp. sierrae George K. Helmkamp, E. A. Helmkamp 2013-11-27 22487 El Dorado Sierra Nevada Mountains Foothills, Capp's Crossing Road at its junction with Mormon Emigrant Trail 1224 Comment
  UCR171249  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2005-7-11 9713 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UCR206075  Galium porrigens var. tenue George K. Helmkamp, E. A. Helmkamp 2009-6-3 14891 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 3.2 miles northwest of its junction with Pony Express Trail in Pollock Pines 1052 Comment
  RSA739924  Galium sparsiflorum George K. Helmkamp, E. A. Helmkamp 2007-6-6 12277 El Dorado Northern Sierra Nevada Mtns.; junction of bonetti Rd. and Mormon Emigrant Trail, east of Jenkinson Lake (Sly Park 7.5' Q.) 1226 Comment
  UCR191068  Galium sparsiflorum George K. Helmkamp, E. A. Helmkamp 2007-6-6 12277 El Dorado Northern Sierra Nevada Mountains, junction of Bonetti Road and Mormon Emigrant Trail, east of Jenkinson Lake 1226 Comment
  UC747063  Galium triflorum G. Thomas Robbins 1945-7-15 2063 El Dorado 3 mi e Camino (along US Hwy 50) 1036 Comment
  UCR196867  Galium triflorum George K. Helmkamp, E. A. Helmkamp 2008-6-3 13556 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UC873673  Gayophytum heterozygum David D. Keck 1932-6-29 1548 El Dorado about 5 mi e Camino 1125 Comment
  UC746951  Gayophytum humile G. Thomas Robbins 1945-6-9 1973 El Dorado slope above North Fork Webber Creek (about 3 mi e of Camino) 975 Comment
  SBBG61282  Gayophytum ramosissimum Milo H. Gates 1879-1 El Dorado Camp 2, South Fork Canal Comment
  CAS-BOT-BC228619  Geranium carolinianum George K. Helmkamp; E. A. Helmkamp 2012-5-3 18904 El Dorado Northern Sierra Nevada Mountains Foothills: unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  UCR235622  Geranium carolinianum George K. Helmkamp, E. A. Helmkamp 2012-5-3 18904 El Dorado Northern Sierra Nevada Mountains Foothills, unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  CAS-BOT-BC227282  Geranium dissectum George K. Helmkamp; E. A. Helmkamp 2012-5-3 18909 El Dorado Northern Sierra Nevada Mountains Foothills: unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  UCR235586  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-5-3 18909 El Dorado Northern Sierra Nevada Mountains Foothills, unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  UC747028  Githopsis pulchella subsp. pulchella G. Thomas Robbins 1943-6-5 1128 El Dorado about 3 mi e Camino (slopes above North Fork Webber Creek) 1036 Comment
  CAS-BOT-BC302496  Gnaphalium palustre John Thomas Howell 1943-7-28 18901 El Dorado 2 miles west of Pacific House Comment
  CAS-BOT-BC302497  Gnaphalium palustre H. M. Hall 1921-6-25 11289 El Dorado Sly Park 1036 Comment
  UC217375  Gnaphalium palustre H. M. Hall 1921-6-25 11289 El Dorado Sly Park 1036 Comment
  UC747065  Gratiola ebracteata G. Thomas Robbins 1944-6-18 1720 El Dorado 5 mi s Pollock Pines (Sly Park) 1005 Comment
  CAS-BOT-BC304967  Grindelia hirsutula Lewis S. Rose 1930-7-1 s.n. El Dorado Placerville Comment
  CAS-BOT-BC304969  Grindelia hirsutula Lewis S. Rose 1930-7-1 s.n. El Dorado Placerville Comment
  UCR206757  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2009-6-25 15053 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 1.5 miles north of the crossing of the South Fork American River, c. 9 miles north of Pollock Pines 857 Comment
  CAS-BOT-BC310035  Hemizonella minima H. M. Hall 1921-6-28 11372 El Dorado Sly Park 1036 Comment
  CAS-BOT-BC310036  Hemizonella minima H. M. Hall 1921-6-28 11372 El Dorado Sly Park 1036 Comment
  CAS-BOT-BC310037  Hemizonella minima H. M. Hall 1921-6-24 11277 El Dorado Sly Park 1066 Comment
  UC217374  Hemizonella minima H. M. Hall 1921-6-24 11277 El Dorado Sly Park 1066 Comment
  UC747027  Heterocodon rariflorum G. Thomas Robbins 1943-7-6 1243 El Dorado about 3 mi e Camino (slope above North Fork Webber Creek) 975 Comment
  UC747048  Heterocodon rariflorum G. Thomas Robbins 1943-7-8 1253 El Dorado 3 mi e Camino (slope above North Fork Webber Creek) 975 Comment
  SBBG70486  Heuchera micrantha Milo H. Gates 1879-1 El Dorado Camp 2, South Fork Canal Comment
  SD236411  Heuchera micrantha G. K. Helmkamp, E. A. Helmkamp 2008-6-3 13581 El Dorado Sierra Nevada Mountains: Forbay Road, 7.1 miles northwest of CA-50 (road junction in Pollock Pines), no-outlet road leading to the South Fork of the American River 715 Comment
  SEINET1908709  Heuchera micrantha G. K. Helmkamp, E. A. Helmkamp 2008-1 13581 El Dorado Sierra Nevada Mountains: Forbay Road, 7.1 miles northwest of CA-50 (road junction in Pollock Pines), no-outlet road leading to the South Fork of the American River (Pollock Pines 7.5' Q). 716 Comment
  CAS-BOT-BC420465  Heuchera micrantha var. erubescens G. Thomas Robbins 1945-7-16 2067 El Dorado N Fork Webber Creek, 3 mi. E of Camino 914 Comment
  UC217368  Heuchera micrantha var. erubescens H. M. Hall 1921-6-28 11378 El Dorado Sky Park Comment
  UC747337  Heuchera micrantha var. erubescens G. Thomas Robbins 1945-7-16 2067 El Dorado 3 mi e Camino (along North Fork Webber Creek); North Fork Webber Creek 914 Comment
  RSA714205  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2005-7-11 9696 El Dorado Nothern Sierra Nevada Foothills: 30 miles SW of Lake Tahoe; 1 mile E of Jenkinson Lake along Mormon Emigrant Road (County Highway 5). 1220 Comment
  SEINET959559  Hieracium albiflorum G. K. Helmkamp, E. A. Helmkamp 2005-1 9696 El Dorado Northern Sierra Nevada Foothills: 30 mi SW of Lake Tahoe; 1 mi E of Jenkison Lake along Mormon Emigrant Road (County Highway 5) (Sly Park 7.5 Q) 1219 Comment
  UCR171251  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2005-7-11 9696 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR206001  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2009-6-3 14890 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 3.2 miles northwest of its junction with Pony Express Trail in Pollock Pines 1052 Comment
  SBBG72320  Holodiscus discolor var. discolor Milo H. Gates 1879-1 El Dorado Camp 2, South Fork Canal Comment
  UC907647  Hordeum brachyantherum subsp. californicum G. Thomas Robbins 1943-6-10 1143 El Dorado about 3 mi E of Camino (above North Fork Webber Creek) Comment
  UC907613  Hordeum marinum subsp. gussoneanum G. Thomas Robbins 1943-6-10 1152 El Dorado about 3 mi e Camino (canyon slope above North Fork Webber Creek); canyon slope above North Fork Webber Creek 975 Comment
  UCR176291  Hordeum murinum George K. Helmkamp, Elizabeth Helmkamp 2006-5-18 10469 El Dorado Northern Sierra Nevada Foothills, Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 mi. NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservior, c. 1.4 air mi. N of US Hwy 50) 1189 Comment
  UCR234179  Horkelia tridentata subsp. flavescens George K. Helmkamp, E. A. Helmkamp 2011-7-7 17637 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with Old Sly Park Road, southeast of Pollock Pines, 0.7 mi. SSW (191 deg. ) of Fresh Pond 1250 Comment
  UC747267  Horkelia tridentata subsp. tridentata G. Thomas Robbins 1943-4-25 1036 El Dorado 3 mi e Camino (C. C. C. Camp Snowline grounds) 1036 Comment
  RSA0012133  Horkelia tridentata var. flavescens George K. Helmkamp, E. A. Helmkamp 2011-7-7 17637 El Dorado Park Creek Road, 0.4 mile east of its junction with Old Sly Park Road, southeast of Pollock Pines, 0.7 mi. SSW (191 deg.) of Fresh Pond 1250 Comment
  SBBG68151  Hosackia oblongifolia var. oblongifolia Milo H. Gates 1879-1 El Dorado Camp 2, South Fork Canal Comment
  UC700283  Hydrophyllum occidentale G. Thomas Robbins 1943-5-23 1080 El Dorado 3 mi e Camino (woods along North Fork Webber Creek); North Fork Webber Creek 914 Comment
  CAS-BOT-BC400835  Hypericum anagalloides H. M. Hall 1921-6-25 11302 El Dorado Sly Park 1036 Comment
  UC746947  Hypericum anagalloides G. Thomas Robbins 1943-6-13 1173 El Dorado along rd. to and ca. 2 mi. w. of Park Creek 1219 Comment
  UC1122092  Hypericum concinnum P. L. Johannsen 1934-7-5 366 El Dorado 1 mi. s.w. McManus; El Dorado Nat'l Forest, Placerville Quad. Comment
  RSA714207  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2005-7-11 9689 El Dorado 30 mi. SW of Lake Tahoe; 1 mi E of Jenkinson Lake along Mormon Emigrant Road (County Highway 5). 1220 Comment
  UCR171621  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2005-7-11 9689 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UC747021  Iris hartwegii G. Thomas Robbins 1943-5-2 1062 El Dorado ca 3 mi e Camino; North Fork Webber Creek 914 Comment
  UCD138743  Iris hartwegii G. K. Helmkamp; Elizabeth Helmkamp 2006-5-18 10468 El Dorado Northern Sierra Nevada: Spring Valley; Telephone Ridge area, NW of Riverton, Brockliss Canyon Road, about 11 miles NW of junction with Meadowridge Road and Ice House Canyon Road. (SSW of Union Valley Reservoir, ca. 1.4 air miles north of US Hwy 50). 1189 Comment
  UCR173320  Iris hartwegii George K. Helmkamp, Elizabeth Helmkamp 2006-5-18 10468 El Dorado Northern Sierra Nevada Foothills, Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 mi. NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservior, c. 1.4 air mi. N of US Hwy 50) 1189 Comment
  UCR258545  Iris hartwegii George K. Helmkamp, Mary Alice Barnes 2013-4-30 20424 El Dorado Northern Sierra Nevada Mountains, Capps Crossing Road, 0.1 mile south of its junction with Mormon Emigrant Trail 1261 Comment
  JEPS93192  Iris hartwegii subsp. hartwegii Carol A. Wilson 1992-5-7 92 -15 El Dorado at Pollock Pines, off of Hwy 50, along road thru town, between roadway and church parking lot Pollock Pines Comment
  UCR237035  Iris hartwegii subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2012-5-18 19008 El Dorado Northern Sierra Nevada Mountains, junction of Bonnetti Road (Capps Crossing Rd.) and Mormon Emigrant Trail, east of Jenkinson Lake 1261 Comment
  CAS-BOT-BC340281  Jensia rammii H. M. Hall 1921-6-25 11305 El Dorado Sly Park 1036 Comment
  CAS-BOT-BC340282  Jensia rammii H. M. Hall 1921-6-25 11305 El Dorado Sly Park 1036 Comment
  CAS-BOT-BC340283  Jensia rammii H. M. Hall 1921-6-25 11305 El Dorado Sly Park 1036 Comment
  UC1601158  Jensia rammii Miss Hazel Stark August 1921 El Dorado Sly Park Comment
  UC219360  Jensia rammii H. M. Hall 1921-6-25 11305 El Dorado Sly Park 1036 Comment
  UC219361  Jensia rammii H. M. Hall 1921-6-25 11305 El Dorado Sly Park 1036 Comment
  UC747203  Jensia rammii G. Thomas Robbins 1943-4-15 997 El Dorado about 3 mi e Camino (above North Fork Webber Creek); on canyon side above North Fork Webber Creek 975 Comment
  UCR206093  Juncus bufonius George K. Helmkamp, E. A. Helmkamp 2009-6-3 14882 El Dorado Sierra Nevada Mountains Foothills, Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  UC747503  Juncus covillei G. Thomas Robbins 1944-7-6 1751 El Dorado 5 mi s Pollock Pines; Sly Park 975 Comment
  UC907721  Juncus effusus subsp. pacificus G. Thomas Robbins 1945-7-16 2069 El Dorado 3 mi e Camino; North Fork Webber Creek 914 Comment
  UC747500  Juncus macrandrus G. Thomas Robbins 1944-7-6 1757 El Dorado 5 mi s Pollock Pines; Sly Park 975 Comment
  UC907719  Juncus oxymeris G. Thomas Robbins 1945-7-16 2070 El Dorado 3 mi e Camino (above North Fork Webber Creek) 914 Comment
  UCR206755  Keckiella breviflora subsp. breviflora George K. Helmkamp, E. A. Helmkamp 2009-6-25 15054 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 1.5 miles north of the crossing of the South Fork American River, c. 9 miles north of Pollock Pines 857 Comment
  UC747115  Keckiella lemmonii G. Thomas Robbins 1945-7-16 2071 El Dorado 3 mi e Camino (slope above North Fork Webber Creek) 975 Comment
  UC747061  Kelloggia galioides G. Thomas Robbins 1943-6-17 1185 El Dorado ca 3 mi e Camino (along U.S. Highway 50) 1036 Comment
  UCD121963  Kelloggia galioides Bruce G. Baldwin 1985-6-30 497 El Dorado Sly County Park, immediately east of Miwok Trailhead. Comment
  RSA789499  Lapsana communis George K. Helmkamp, E. A. Helmkamp 2011-10-13 18423 El Dorado Pony Express Trail, 0.9 mile east of Sly Park Road in Pollock Pines 1220 Comment
  SD240871  Lapsana communis George K. Helmkamp, E. A. Helmkamp 2011-10-13 18423 El Dorado Northern Sierra Nevada Mountains: Pony Express Trail, 0.9 mile east of Sly Park Road in Pollock Pines. 1220 Comment
  SEINET3828538  Lapsana communis George K. Helmkamp, E. A. Helmkamp 2011-1 18423 El Dorado Northern Sierra Nevada Mountains: Pony Express Trail, 0.9 mile east of Sly Park Road in Pollock Pines (Pollock Pines 7.5 ') 1219 Comment
  UCR232607  Lapsana communis George K. Helmkamp, E. A. Helmkamp 2011-10-13 18423 El Dorado Northern Sierra Nevada Mountains, Pony Express Trail, 0.9 mile east of Sly Park Road in Pollock Pines 1220 Comment
  UCR171326  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2005-7-11 9681 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR173303  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, Elizabeth Helmkamp 2006-5-18 10475 El Dorado Northern Sierra Nevada Foothills, Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 mi. NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservior, c. 1.4 air mi. N of US Hwy 50) 1189 Comment
  UC747300  Lathyrus nevadensis var. nevadensis G. Thomas Robbins 1943-5-4 1069 El Dorado 3 mi e Camino (along U.S. Highway 50 at C.C.C. Camp Snowline) 1036 Comment
  UCD106397  Lathyrus nevadensis var. nevadensis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-18 10475 El Dorado Northern Sierra Nevada Foothills. Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 miles NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservoir, ca. 1.4 air miles N of US Hwy 50). 1189 Comment
  RSA0070104  Lathyrus sulphureus George K. Helmkamp 2014-5-2 22832 A El Dorado Forebay Road at Kodiak Trail, about 1 mile northwest of Forebay Reservoir. 1079 Comment
  UC747294  Lathyrus sulphureus G. Thomas Robbins 1943-6-5 1130 El Dorado about 3 mi e Camino (slope above North Fork Webber Creek) 975 Comment
  UCR256491  Lathyrus sulphureus George K. Helmkamp 2014-5-2 22832 A El Dorado Sierra Nevada Mountains Foothills, Forebay Road at Kodiak Trail, about 1 mile northwest of Forebay Reservoir 1079 Comment
  UC747368  Lepidium nitidum G. Thomas Robbins 1943-4-15 1000 El Dorado about 3 mi e Camino (above North Fork Webber Creek) 975 Comment
  CAS-BOT-BC13004  Lepidium virginicum G. Thomas Robbins 1945-5-15 1907 El Dorado At C.C.C. Camp Snowline, 3 miles east of Camino. 1036 Comment
  UC747383  Lepidium virginicum G. Thomas Robbins 1945-5-15 1907 El Dorado 3 mi e Camino (at C.C.C. Camp Snowline) 1036 Comment
  CAS-BOT-BC339588  Lessingia leptoclada A. A. Heller 1915-8-7 12198 El Dorado On the Lincoln Highway 10 miles east of Placerville 975 Comment
  CAS-BOT-BC339591  Lessingia leptoclada L. R. Abrams 1930-8-31 12761 El Dorado Near Snowline, Placerville Comment
  CAS-BOT-BC339599  Lessingia leptoclada L. R. Abrams 1930-8-31 12761 El Dorado Near Snowline, Placerville Comment
  CAS-BOT-BC339602  Lessingia leptoclada A. A. Heller 1915-8-7 12198 El Dorado On the Lincoln Highway 10 miles east of Placerville 975 Comment
  CDA21199  Lessingia leptoclada G. Shutler 2006-8-3 PDR 1332356 El Dorado Sierra Nevada; USDA Badger Hill Plantation, Badger Hill Rd., Pollock Pines. Comment
  SD51220  Lessingia leptoclada Darley F. Howe 1960-9-19 2976 El Dorado 10 miles east of Placerville on U.S.50 1035 Comment
  SDSU4737  Lessingia leptoclada D. F. Howe 1960-9-19 2976 El Dorado 10 miles east of Placervilleon #50. 1036 Comment
  SEINET2441560  Lessingia leptoclada George K. Helmkamp, E. A. Helmkamp 2009-8-8 15419 El Dorado Sierra Nevada Mountains Foothills: Lake Foreboy, 0.8 mile northwest of Pollock Pines on Forebay Road (Pollock Pines 7.5' Q.). 1195 Comment
  UC463397  Lessingia leptoclada L. R. Abrams 1930-8-31 12761 El Dorado near Snowline; Placerville Comment
  UCR177228  Lessingia leptoclada George K. Helmkamp, E. A. Helmkamp 2005-7-11 9704 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UCR209708  Lessingia leptoclada George K. Helmkamp, E. A. Helmkamp 2009-8-8 15419 El Dorado Sierra Nevada Mountains Foothills, Lake Forebay, 0.8 mile northwest of Pollock Pines on Forebay Road 1195 Comment
  UC747184  Leucanthemum vulgare G. Thomas Robbins 1943-5-27 1092 El Dorado about 3 mi e of Camino; North Fork Webber Creek 914 Comment
  UCR233637  Leucanthemum vulgare George K. Helmkamp, E. A. Helmkamp 2011-7-7 17639 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with Old Sly Park Road, southeast of Pollock Pines, 0.7 mi. SSW (191 deg. ) of Fresh Pond 1250 Comment
  CAS-BOT-BC56399  Leucothoe davisiae G. Thomas Robbins 1943-6-20 1190 El Dorado near head of Long Canyon, 2-3 mi. w. of Pollock Pines 975 Comment
  UC747669  Leucothoe davisiae G. Thomas Robbins 1943-6-20 1190 El Dorado 2-3 mi w of Pollock Pines (near head of Long Canyon); Long Canyon 975 Comment
  UC101835  Lewisia nevadensis Katharine Brandegee May 1907 El Dorado 18 mi above Placerville (near Pacific House) Comment
  CAS-BOT-BC130705  Lilium pardalinum G. Thomas Robbins 1945-7-16 2065 El Dorado Along North Fork Webber Creek, 3 mi. e. of Camino 914 Comment
  UC747532  Lilium pardalinum G. Thomas Robbins 1945-7-16 2065 El Dorado about 3 mi e Camino; North Fork Webber Creek 914 Comment
  UC747550  Lilium pardalinum G. Thomas Robbins 1943-7-10 1265 El Dorado about 3 mi e Camino; North Fork Webber Creek 914 Comment
  JEPS19591  Limnanthes alba subsp. alba Katharine Brandegee 1907-1 El Dorado Pacific House 1036 Comment
  UC747316  Limnanthes alba subsp. versicolor G. Thomas Robbins 1943-5-2 1063 El Dorado along creek about 3 mi e Camino; North Fork Webber Creek 914 Comment
  UC1023041  Linanthus bicolor G. Thomas Robbins 1944-5-21 1615 El Dorado about 3 mi e Camino (canyon of North Fork Webber Creek); North Fork Webber Creek 975 Comment
  UC908663  Linanthus bicolor G. Thomas Robbins 1944-5-21 1615 El Dorado ca 3 mi e Camino (above North Fork Webber Creek) 975 Comment
  JEPS13931  Linanthus filipes G. Thomas Robbins 1944-6-18 1717 El Dorado 5 mi s Pollock Pines; Sly Park 1005 Comment
  JEPS24409  Linanthus filipes G. Thomas Robbins 1943-7-18 1273 El Dorado along Pleasant Valley road Sly Park 914 Comment
  UC907942  Linanthus filipes G. Thomas Robbins 1944-6-18 1717 El Dorado 5 mi s Pollock Pines; Sly Park 975 Comment
  UC1135277  Lithocarpus densiflorus P. L. Johannsen 1934-10-18 520 El Dorado 1.5 mi se Big X Mountain; El Dorado National Forest, Placerville Quad. 1036 Comment
  UC746865  Lithocarpus densiflorus G. Thomas Robbins 1943-6-20 1194 El Dorado 4-5 mi nw Pollock (along road to powerhouse, n-facing wall of South Fork American River); South Fork American River 914 Comment
  RSA123005  Lithocarpus densiflorus var. densiflorus P. L. Johannsen 1934-10-18 520 El Dorado 1 1/2 miles southeast of Big X Mountain. 1037 Comment
  UC1135300  Lithocarpus densiflorus var. echinoides P. L. Johannsen 1934-7-6 370 El Dorado 1 mi w Blair Saw Mill; El Dorado National Forest, Placerville Quad. 1066 Comment
  UC747353  Lithophragma G. Thomas Robbins 1943-5-2 1065 El Dorado ca 3 mi e Camino ( North Fork Webber Creek); North Fork Webber Creek 914 Comment
  UC747335  Lithophragma bolanderi G. Thomas Robbins 1945-5-17 1908 El Dorado about 3 mi e Camino (above North Fork Webber Creek); above North Fork Webber Creek 975 Comment
  UCR176290  Lotus George K. Helmkamp, Elizabeth Helmkamp 2006-5-18 10472 El Dorado Northern Sierra Nevada Foothills, Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 mi. NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservior, c. 1.4 air mi. N of US Hwy 50) 1189 Comment
  RSA755991  Lotus incanus George K. Helmkamp, E. A. Helmkamp 2009-6-3 14888 El Dorado Forbay Road, 3.2 miles northwest of its junction with Pony Express Trail in Pollock Pines 1052 Comment
  UCR206097  Lotus incanus George K. Helmkamp, E. A. Helmkamp 2009-6-3 14888 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 3.2 miles northwest of its junction with Pony Express Trail in Pollock Pines 1052 Comment
  UCR257561  Lotus micranthus George K. Helmkamp, Mary Alice Barnes 2013-4-30 20429 El Dorado Northern Sierra Nevada Mountains, Capps Crossing Road, 0.1 mile south of its junction with Mormon Emigrant Trail 1261 Comment
  UC1129041  Lotus nevadensis var. nevadensis P. L. Johannsen 1934-7-7 368 El Dorado 1 mi sw McManus; El Dorado National Forest, Placerville Quad. 1127 Comment
  UC746983  Lotus oblongifolius var. oblongifolius G. Thomas Robbins 1943-6-5 1655 El Dorado 3 mi e Camino (canyon side above North Fork Webber Creek); North Fork Webber Creek 975 Comment
  UC747245  Lotus oblongifolius var. oblongifolius G. Thomas Robbins 1943-5-23 1084 El Dorado 3 mi e Camino (canyon slope above North Fork Webber Creek); North Fork Webber Creek 914 Comment
  UC747247  Lotus pinnatus G. Thomas Robbins 1944-6-18 1715 El Dorado 5 mi s Pollock Pines; Sly Park 1005 Comment
  UC217347  Lotus purshianus var. purshianus H. M. Hall 1921-6-24 11275 El Dorado Sly Park 1066 Comment
  UCR171257  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2005-7-11 9685 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR191143  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2007-6-8 12312 El Dorado Northern Sierra Nevada Mountains, junction of Bonetti Road and Mormon Emigrant Trail [Silver Lake Rd.], east of Jenkinson Lake 1226 Comment
  UCR196865  Lunaria annua George K. Helmkamp, E. A. Helmkamp 2008-6-3 13561 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UC125924  Lupinus Katharine Brandegee 1908-7-10 El Dorado Sportsmans Hall; Fyffe Fyffe Comment
  UC149868  Lupinus Katharine Brandegee July 1910 El Dorado Sportsman's Hall Fyffe ((Fyffe)) Comment
  UC907699  Lupinus albicaulis G. Thomas Robbins 1944-6-3 1648 El Dorado 3 mi E of Camimo ( along U.S. Hwy. 50) Comment
  UC907702  Lupinus albifrons G. Thomas Robbins 1943-6-5 1653 El Dorado 3 mi e Camino (slope above North Fork Webber Creek); North Fork Webber Creek, e of Camino 1036 Comment
  SEINET3828326  Lupinus albifrons var. collinus George K. Helmcamp, E. A. Helmkamp 2012-1 18908 El Dorado Northern Sierra Nevada Mountians Foothills: unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge. (Pollock Pines 7.5') 613 Comment
  UCR235587  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2012-5-3 18908 El Dorado Northern Sierra Nevada Mountains Foothills, unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  UC746991  Lupinus bicolor G. Thomas Robbins 1943-4-20 1013 El Dorado ca 3 mi e Camino (above North Fork Webber Creek); above North Fork Webber Creek 975 Comment
  UC747292  Lupinus bicolor G. Thomas Robbins 1943-4-20 1014 El Dorado about 3 mi e Camino (on canyon slope above North Fork Webber Creek); above North Fork Webber Creek 975 Comment
  UC219336  Lupinus latifolius var. columbianus H. M. Hall 1921-6-25 11297 El Dorado Sly Park 1036 Comment
  UC907696  Lupinus latifolius var. columbianus G. Thomas Robbins 1943-6-5 1123 El Dorado ca 3 mi e Camino (shady ravine above North Fork Webber Creek); above North Fork Webber Creek 975 Comment
  UC125886  Lupinus nanus Katharine Brandegee July 1908 El Dorado Fyffe; Sportsmans Hall Comment
  RSA0012134  Lupinus stiversii George K. Helmkamp, E. A. Helmkamp 2011-7-7 17633 El Dorado Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111deg.) of Pollock Pines 1290 Comment
  UC147315  Lupinus stiversii Katharine Brandegee 1907-5-23 El Dorado on Tahoe Road fifteen mi above Placerville; above Placerville Comment
  UCR234182  Lupinus stiversii George K. Helmkamp, E. A. Helmkamp 2011-7-7 17633 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111 deg. ) of Pollock Pines 1290 Comment
  UC747498  Luzula macrantha G. Thomas Robbins 1944-6-3 1649 El Dorado Along U.S. Highway 50 ca 3 mi E of Camino 1036 Comment
  UC907723  Luzula macrantha G. Thomas Robbins 1945-6-23 2008 El Dorado On Canyon slope above North Fork Webber Creek, ca. 3 mi E of Camino 975 Comment
  CAS-BOT-BC344332  Madia exigua H. M. Hall 1921-6-28 11376 El Dorado Sly Park 1036 Comment
  CAS-BOT-BC344333  Madia exigua H. M. Hall 1921-6-28 11376 El Dorado Sly Park 1036 Comment
  SD236215  Madia gracilis G. K. Helmkamp, Elizabeth Helmkamp 2008-6-3 13557 El Dorado Sierra Nevada Mountains: Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 (Pollock Pines 7.5'Q) 1213 Comment
  UC747506  Madia gracilis G. Thomas Robbins 1943-6-5 1129 El Dorado about 3 mi e of Camino; North Fork Webber Creek 975 Comment
  UCR171238  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2005-7-11 9686 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR196859  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2008-6-3 13557 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UCR206095  Madia subspicata George K. Helmkamp, E. A. Helmkamp 2009-6-3 14886 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 3.2 miles northwest of its junction with Pony Express Trail in Pollock Pines 1052 Comment
  UC907638  Melica californica G. Thomas Robbins 1943-6-10 1151 El Dorado about 3 mi e Camino; North Fork Webber Creek 975 Comment
  UC907662  Melica californica G. Thomas Robbins 1945-5-17 1913 El Dorado about 3 mi e Camino; North Fork Webber Creek 975 Comment
  UCD108005  Melilotus albus G. K. Helmkamp; E. A. Helmkamp 2007-9-26 13019 El Dorado Northern Sierra Nevada Mountains: junction of Bonetti Road and Mormon Emigrant Trail, 2.3 miles east of Jenkinson Lake. 1226 Comment
  UCR171242  Melilotus albus George K. Helmkamp, E. A. Helmkamp 2005-7-11 9701 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UCR188498  Melilotus albus George K. Helmkamp, E. A. Helmkamp 2007-9-26 13019 El Dorado Northern Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 2.3 miles east of Jenkinson Lake 1226 Comment
  UC747559  Mentha canadensis G. Thomas Robbins 1943-7-10 1262 El Dorado about 3 mi e Camino (along bank of North Fork Webber Creek); bank of North Fork Webber Creek 914 Comment
  SEINET223337  Mentzelia longiloba Unknown 1980-6-2 3592 San Bernardino Several miles south of Kelson on Kelbaker Road, west side Providence Mountains. 671 Comment
  SEINET226233  Mentzelia longiloba A. C. Sanders 1983-5-22 3834 Riverside Along Kelbaker Road at the east end of the Kelson Dunes, 2.2 miles SE of Kelson. 655 Comment
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May 18 2015
  SD236412  Micranthes californica G. K. Helmkamp, E. A. Helmkamp 2008-6-3 13552 El Dorado Sierra Nevada Mountains: Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UC907776  Micropus californicus var. californicus G. Thomas Robbins 1945-5-17 1910 El Dorado about 3 mi e Camino (on canyon side above creek); North Fork Webber Creek 1005 Comment
  UC217305  Mimulus angustatus H. M. Hall 1921-6-25 11287 El Dorado Sly Park 1036 Comment
  UC219335  Mimulus angustatus H. M. Hall 1921-6-26 11307 El Dorado Sly Park 1066 Comment
  UC1509736  Mimulus aurantiacus var. grandiflorus T. Turner, Zoe Tyler, R. Barron 1983-6-22 El Dorado n Slab Creek Reservoir (Forebay Rd., s-facing slope of Peavind Ridge); Eldorado Nat'l Forest, Slate Mtn. Quad. 853 Comment
  RSA0013380  Mimulus bicolor George K. Helmkamp, E. A. Helmkamp 2011-7-7 17631 El Dorado Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111deg.) of Pollock Pines. 1290 Comment
  UC217372  Mimulus bicolor H. M. Hall 1921-6-22 11294 El Dorado Sly Park 1036 Comment
  UC217373  Mimulus bicolor H. M. Hall 1921-6-24 11285 El Dorado Sly Park 1066 Comment
  UC747090  Mimulus bicolor G. Thomas Robbins 1944-5-21 1616 El Dorado about 3 mi e Camino; North Fork Webber Creek 975 Comment
  UC85429  Mimulus bicolor Katharine Brandegee 1907-5-24 El Dorado 15th milestone above Placerville Comment
  UCR242575  Mimulus bicolor George K. Helmkamp, E. A. Helmkamp 2011-7-7 17631 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111 deg. ) of Pollock Pines 1290 Comment
  SEINET1908704  Mimulus guttatus G. K. Helmkamp, E. A. Helmkamp 2008-1 13567 El Dorado Sierra Nevada Mountains: Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 (Pollock Pines 7.5' Q). 1213 Comment
  UCR196843  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2008-6-3 13567 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UCR206008  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2009-6-3 14877 El Dorado Sierra Nevada Mountains Foothills, Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  UC1012254  Mimulus microphyllus Francis W. Pennell 1940-6-2 25648 El Dorado 3 mi w Pacific (Route 50) 1188 Comment
  UC112812  Mimulus moniliformis Katharine Brandegee July 1908 El Dorado 12 mi above Placerville (Sportsmans's Hall) Comment
  UC125177  Mimulus torreyi Katharine Brandegee 1907-5-22 El Dorado five mi above Camino; Sportsmans Hall Comment
  UC217369  Mimulus torreyi H. M. Hall 1921-6-24 11279 El Dorado Sly Park 1066 Comment
  UC747087  Mimulus torreyi G. Thomas Robbins 1943-7-6 1249 El Dorado 3 mi e Camino; C.C.C. Camp Snowline 1036 Comment
  RSA0012131  Mimulus viscidus George K. Helmkamp, E. A. Helmkamp 2011-7-7 17635 El Dorado Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111deg.) of Pollock Pines. 1290 Comment
  UCR234178  Mimulus viscidus George K. Helmkamp, E. A. Helmkamp 2011-7-7 17635 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111 deg. ) of Pollock Pines 1290 Comment
  CAS-BOT-BC219956  Monardella breweri subsp. lanceolata G. Thomas Robbins 1943-7-6 1244 El Dorado At C.C.C. Camp Snowline, 3 mi. e. of Camino 1036 Comment
  GH400531  Monardella breweri subsp. lanceolata G. T. Robbins 1943-7-6 1244 Unknown at C. C. C. Camp Snowline, three miles east of Camino 1036 Comment
  UC565950  Monardella breweri subsp. lanceolata P. L. Johannsen 1934-7-5 367 El Dorado 1 mile southwest of MacManus; Placerville Quadrangle 1127 Comment
  UC747583  Monardella breweri subsp. lanceolata G. Thomas Robbins 1943-7-6 1244 El Dorado At C. C. C. Camp Snowline, 3 mi E of Camino 1036 Comment
  CAS-BOT-BC220214  Monardella sheltonii G. Thomas Robbins 1943-7-6 1245 El Dorado At C.C.C. Camp Snowline, 3 mi. e. of Camino 1036 Comment
  GH400634  Monardella sheltonii G. T. Robbins 1943-7-6 1245 Unknown at C.C.C. Camp Snowline, 3 mi. e. of Camino 1036 Comment
  RSA755709  Monardella sheltonii George K. Helmkamp, E. A. Helmkamp 2009-6-25 15051 El Dorado Forbay Road, 1.5 miles north of the crossing of the South Fork American River, c. 9 miles north of Pollock Pines 857 Comment
  UCR206759  Monardella sheltonii George K. Helmkamp, E. A. Helmkamp 2009-6-25 15051 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 1.5 miles north of the crossing of the South Fork American River, c. 9 miles north of Pollock Pines 857 Comment
  UC747582  Monardella villosa subsp. villosa G. Thomas Robbins 1943-7-6 1245 El Dorado 3 mi E of Camino (at C.C.C. Camp Snowline) 1036 Comment
  UC217356  Montia parvifolia H. M. Hall 1921-6-25 11301 El Dorado Sly Park 1036 Comment
  RSA749686  Navarretia George K. Helmkamp, E. A. Helmkamp 2007-6-8 12311 El Dorado junction of Bonetti Road and Mormon Emigrant Trail [Silver Lake Rd.], east of Jenkinson Lake 1226 Comment
  UCR191144  Navarretia George K. Helmkamp, E. A. Helmkamp 2007-6-8 12311 El Dorado Northern Sierra Nevada Mountains, junction of Bonetti Road and Mormon Emigrant Trail [Silver Lake Rd.], east of Jenkinson Lake 1226 Comment
  UC913384  Navarretia divaricata G. Thomas Robbins 1943-7-6 1247 El Dorado 3 mi e Camino (at C.C.C. Camp Snowline) 1036 Comment
  JEPS24406  Navarretia divaricata subsp. vividior G. Thomas Robbins 1943-7-6 1247 El Dorado 3 mi e Camino (at C.C.C. Camp Snowline) 1036 Comment
  UC913398  Navarretia intertexta G. Thomas Robbins 1944-6-18 1722 El Dorado 5 mi s Pollock Pines; Sly Park 975 Comment
  UC913407  Navarretia intertexta G. Thomas Robbins 1944-7-6 1760 El Dorado 5 mi s Pollock Pines; Sly Park 975 Comment
  UC913409  Navarretia intertexta G. Thomas Robbins 1943-6-5 1126 El Dorado ca 3 mi e Camino (canyon slope above North Fork Webber Creek) 1005 Comment
  UC913410  Navarretia intertexta G. Thomas Robbins 1944-7-6 1761 El Dorado 5 mi s Pollock Pines; Sly Park 975 Comment
  UC747611  Navarretia leptalea subsp. leptalea G. Thomas Robbins 1944-6-27 1738 El Dorado about 3 mi e Camino (North Fork Webber Creek); , e of Camino 975 Comment
  CAS-BOT-BC230508  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-7-5 392 El Dorado Extreme E end of Jenkinsons Lake N of Hazel Creek. Park at group campgrounds and walk uphill 1158 Comment
  CAS-BOT-BC230510  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-6-10 363 El Dorado W of Park Creek Road (11N67), 1 mile NW of Park Creek 1234 Comment
  CAS-BOT-BC230511  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-6-16 370 El Dorado 500 feet E on Baltic Ridge Road off Mormon Emigrant Trail 1219 Comment
  CAS-BOT-BC230514  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-6-19 377 El Dorado Along road 11N55.1, W of junction with 11N63.2. Road to Blair Mill and Pacific House 1493 Comment
  CAS-BOT-BC230521  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-6-3 319 El Dorado 0.03 mile W on Kingswood Trail off Sly Park Road. N and S of Unicorn Lane. At upper reaches of Weber Creek 1231 Comment
  CAS-BOT-BC230526  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-7-17 397 El Dorado 1 mile E on Sly Park Road (road inside park) 1143 Comment
  CAS-BOT-BC230536  Navarretia prolifera subsp. lutea Sophie Fauntleroy 1939-7-1 s.n. El Dorado Bullion Monument about 20 miles from Placerville on highway to Tahoe Comment
  CAS-BOT-BC230540  Navarretia prolifera subsp. lutea David D. Keck 1932-6-29 1547 El Dorado About 5 miles E of Camino 1125 Comment
  CAS-BOT-BC230541  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-5-19 302 El Dorado Sly Park Road to Starks Grade Road to Lynx Trail Road N. Population begins along road just past FS boundary corner at 671 Lynx Trail Rd, the Radekin residence. Along saddle W to FS 80 acres. Across saddle and at bottom of large scar across ridge 1127 Comment
  CAS-BOT-BC230542  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-5-19 303 El Dorado Proceed down Starks Grade Rd off Sly Park Rd, approx. 3 miles, take old private road N out of meadow adjacent to edge of quad sheet, sec 14. Proceed uphill until first FS boundary marker can be seen and road dissipates into forest. On foot, travel NW 987 Comment
  CAS-BOT-BC230543  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-5-20 314 El Dorado Below ridgeline S of Highway 50, around Snowline Camp and E for 1.5 miles. 0.25 mile E on old road just off Ridgeway Drive and road to sawmill. 0.15 mile S on road to sawmill in disturbed and natural volcanic outcrop. On ridgeline road below Snowline Camp 1048 Comment
  CAS-BOT-BC230544  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-6-10 362 El Dorado On bottom end of large burn with natural openings, N of Park Creek, off Park Creek Road on 11N67A 1219 Comment
  CAS-BOT-BC230548  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-5-22 315 El Dorado 0.07 mile up Gilmore Road W of Pollock Pines, to end of paved road and beginning of FS lands. 700 feet further up road to population. Pop. extends 500 more feet to fork in road. Occurs along ridgetop N and S of road 1097 Comment
  CAS-BOT-BC230549  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-5-24 318 El Dorado Along Badger Hill Road adjacent to Research Plantation, throughout W portion of plantation and on roads W and S around plantation 1036 Comment
  CAS-BOT-BC230550  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-5-24 318 El Dorado Along Badger Hill Road adjacent to Research Plantation, throughout W portion of plantation and on roads W and S around plantation 1036 Comment
  CAS-BOT-BC231226  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-6-3 322 El Dorado Sly Park Road to Park Creek Road (11N67). Population begins just past road junctions at upper reaches of small drainage; S of tower. One small population occurs 200 feet S of sawmill just off FS lands 1280 Comment
  CAS-BOT-BC231235  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-6-18 372 El Dorado Off Forebay Road behind and around Snowline Field baseball diamond. In vacant lot behind field, in path along N side of diamond, in back yards abutting park, and in apple orchard N of park 1158 Comment
  JEPS41357  Navarretia prolifera subsp. lutea Katharine Brandegee 1908-7-10 El Dorado 12 mi e Placerville; Fyffe Comment
  JEPS6654  Navarretia prolifera subsp. lutea G. Thomas Robbins 1932-6-2 1111 El Dorado 3 mi e Camino (at Civilian Conservation Corps Camp Snowline) 1036 Comment
  RSA0012130  Navarretia prolifera subsp. lutea George K. Helmkamp, E. A. Helmkamp 2011-7-7 17634 El Dorado Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111deg.) of Pollock Pines 1290 Comment
  RSA262380  Navarretia prolifera subsp. lutea Stanton H. Allen 1974-5-28 30 El Dorado 46 miles from the jct of Hwy 89 and 50 at South Lake Tahoe, in Pollock Pines 1220 Comment
  SEINET11265991  Navarretia prolifera subsp. lutea George Helmkamp, E. A. Helmkamp 2011-7-7 17634 El Dorado Northern Sierra Nevada Mountains: Park Creek Road, 0.4 miles east of its junctions with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (1111/4) of Pollock Pines (Pollock Pines 7.5' Q.); 0 1289 Comment
  UC112841  Navarretia prolifera subsp. lutea Katharine Brandegee 1908-7-10 El Dorado 12 mi e Placerville (Sportsman's Hall (Fyffe)) Comment
  UC1519847  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-5-22 346 El Dorado private inholding at 6961 Pony Express Trail, 1.5 mi W of Pollock Pines vic. Bullion Bend Historical Marker Eldorado National Forest 1188 Comment
  UC1519850  Navarretia prolifera subsp. lutea Mary E. Meyer 1982-6-4 345 El Dorado private land, just S of Mace Rd. Eldorado National Forest 975 Comment
  UC913472  Navarretia prolifera subsp. lutea G. Thomas Robbins 1943-6-2 1111 El Dorado 3 mi e Camino (at C.C.C. Camp Snowline) 1036 Comment
  UCR234177  Navarretia prolifera subsp. lutea George K. Helmkamp, E. A. Helmkamp 2011-7-7 17634 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111 deg. ) of Pollock Pines 1290 Comment
  SD236309  Nemophila heterophylla G. K. Helmkamp, E. A. Helmkamp 2008-6-3 13575 El Dorado Sierra Nevada Mountains: Forbay Road, 7.1 miles northwest of CA-50 (road junction in Pollock Pines), no-outlet road leading to the South Fork of the American River 715 Comment
  UC698015  Nemophila heterophylla G. Thomas Robbins 1943-4-10 986 El Dorado 3 mi e Camino (Canyon slope of North Fork Webber Creek); North Fork Webber Creek, e of Camino 975 Comment
  UC747464  Nemophila heterophylla G. Thomas Robbins 1943-4-10 986 El Dorado 3 mi e Camino (canyon slope above North Fork Webber Creek); , e of Camino 975 Comment
  UC101843  Nemophila maculata Katharine Brandegee May 1907 El Dorado Eighteen mi above Placerville (in meadows near Pacific House); near Pacific House, above Placerville Comment
  UC700282  Nemophila maculata G. Thomas Robbins 1943-6-13 1172 El Dorado ca 2 mi w Park Creek (along road to Park Creek); w of Park Creek 1219 Comment
  UC700317  Nemophila maculata G. Thomas Robbins 1943-4-29 1049 El Dorado 3 mi e Camino (C.C.C. Camp Snowline); e of Camino 1036 Comment
  UC700305  Nemophila menziesii G. Thomas Robbins 1943-5-2 1064 El Dorado ca 3 mi e Camino (along North Fork Webber Creek); North Fork Webber Creek, e of Camino 914 Comment
  UC747507  Nemophila menziesii G. Thomas Robbins 1943-5-2 1064 El Dorado ca 3 mi e Camino (along North Fork Webber Creek); North Fork Webber Creek, e of Camino 914 Comment
  UC700287  Nemophila pedunculata G. Thomas Robbins 1943-4-1 978 El Dorado 3 mi e Camino (above North Fork Webber Creek); , e of Camino 1036 Comment
  UC747263  Oemleria cerasiformis G. Thomas Robbins 1944-4-2 1493 El Dorado ca 3 mi e Camino (thickets above North Fork Webber Creek) 914 Comment
  UC747029  Orobanche uniflora subsp. occidentalis G. Thomas Robbins 1944-5-21 1614 El Dorado On east-facing Canyon slope of North Fork Webber Creek, about 3 miles E of Camino. Comment
  RSA0012132  Osmorhiza berteroi George K. Helmkamp, E. Helmkamp 2011-7-7 17636 El Dorado Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111 deg ) of Pollock Pines 1290 Comment
  UC747419  Osmorhiza brachypoda G. Thomas Robbins 1944-6-7 1660 El Dorado ca 3 mi e Camino; North Fork Webber Creek 914 Comment
  UCR171240  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2005-7-11 9693 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR234180  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2011-7-7 17636 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111 deg. ) of Pollock Pines 1290 Comment
  UC907615  Panicum acuminatum var. acuminatum G. Thomas Robbins 1943-6-10 1150 El Dorado about 3 mi e Camino; above North Fork Webber Creek 975 Comment
  UCD88583  Panicum acuminatum var. fasciculatum Dean W. Taylor 1976-6-30 6008 El Dorado Peavine Ridge, steep South slope of S. Fork American River canyon. Mesic sites along Soldier Cr. 853 Comment
  SEINET4142652 Image available Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-7-7 17629 El Dorado Northern Sierra Nevada Mountains: Park Creek Road, 0.4 miles E of junction with Sly Park Road, 1.4 mi. SE of Pollock Pines 1289 Comment
  UCR171230  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2005-7-11 9708 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UCR196853  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2008-6-5 13594 El Dorado Sierra Nevada Mountains, Forbay Road, 5.3 miles north of its junction with Pony Express Trail in Pollock Pines 947 Comment
  UCR242577  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-7-7 17629 El Dorado Northern Sierra Nevada Mountains, Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111 deg. ) of Pollock Pines 1290 Comment
  UCR196943  Penstemon laetus subsp. leptosepalus George K. Helmkamp, E. A. Helmkamp 2008-6-3 13550 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  NY604469  Penstemon laetus var. laetus H. M. Hall 1921-6-28 11375 El Dorado Sly Park 1036.3 Comment
  SEINET959164  Penstemon laetus var. laetus G. K. Helmkamp, E. A. Helmkamp 2005-1 9708 El Dorado Northern Sierra Nevada Foothills: Pollock Pines area just S of US Highway 50 along County Road #5 (Pollock Pines 7.5' Q) 1158 Comment
  UC2044607  Penstemon laetus var. laetus George K. Helmkamp with E. A. Helmkamp 2011-7-7 17629 El Dorado Northern Sierra Nevada Mountains Park Creek Road, 0.4 mile east of its junction with (Co. Rd. E16) Sly Park Road, 1.4 mi. SE (111 deg. ) of Pollock Pines. (Pollock Pines 7.5' Q.) Comment
  UC219337  Penstemon laetus var. laetus H. M. Hall 1921-6-28 11374 El Dorado Sly Park 1036 Comment
  UC219394  Penstemon laetus var. laetus H. M. Hall 1921-6-28 11375 El Dorado Sly Park 1036 Comment
  UCD124292  Penstemon newberryi Collector Unknown Date Unknown 1948 El Dorado Summit. Comment
  SBBG64844  Phacelia breweri Milo H. Gates 1879-1 El Dorado Camp 2, South Fork Canal Comment
  UCR206802  Phacelia hastata George K. Helmkamp, E. A. Helmkamp 2009-6-25 15055 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 1.5 miles north of the crossing of the South Fork American River, c. 9 miles north of Pollock Pines 857 Comment
  UCR196866  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2008-6-3 13560 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UCR171201  Phacelia heterophylla George K. Helmkamp, E. A. Helmkamp 2005-7-11 9707 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  RSA791741  Phacelia heterophylla subsp. virgata George K. Helmkamp, E. A. Helmkamp 2012-5-3 18903 El Dorado Northern Sierra Nevada Mountains Foothills: unnamed road leading to power plant, 0.3 miles east of South Fork American River bridge. 613 Comment
  SD237473  Phacelia heterophylla subsp. virgata G. K. Helmkamp, E. A. Helmkamp 2012-5-3 18903 El Dorado Northern Sierra Nevada Mountains Foothills: unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge (Pollock Pines 7.5'Q) 612 Comment
  UCR235581  Phacelia heterophylla subsp. virgata George K. Helmkamp, E. A. Helmkamp 2012-5-3 18903 El Dorado Northern Sierra Nevada Mountains Foothills, unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  CAS-BOT-BC227269  Phacelia heterophylla var. virgata George K. Helmkamp; E. A. Helmkamp 2012-5-3 18903 El Dorado Northern Sierra Nevada Mountains Foothills: unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  UC700284  Phacelia purpusii G. Thomas Robbins 1945-6-23 2007 El Dorado ca 3 mi e Camino (canyon slope above creek); North Fork Webber Creek 975 Comment
  CAS-BOT-BC76554  Philadelphus lewisii G. Thomas Robbins 1943-6-20 1193 El Dorado Canyon wall of South Fork American River along road to powerhouse, 4-5 mi. NW of Pollock Pines. 914 Comment
  SBBG70499  Philadelphus lewisii Milo H. Gates 1879-1 El Dorado Camp 2, South Fork Canal Comment
  UC747348  Philadelphus lewisii G. Thomas Robbins 1943-6-20 1193 El Dorado Canyon wall of South Fork American River along road to powerhouse, 4-5 miles NW of Pollock Pines. Comment
  UCR206758  Philadelphus lewisii George K. Helmkamp, E. A. Helmkamp 2009-6-25 15052 El Dorado Sierra Nevada Mountains Foothills, Forbay Road, 1.5 miles north of the crossing of the South Fork American River, c. 9 miles north of Pollock Pines 857 Comment
  CAS-BOT-BC135136  Phoradendron juniperinum Gilbert T. Benson 1926-6-21 85 El Dorado Bullian Bend, 14 mi E of Placerville Comment
  RSA133139  Phoradendron villosum Del Wiens 1960-6-17 2731 El Dorado On US Hwy 50, ca 15 miles E of Placerville. 366 Comment
  SBBG72311  Physocarpus capitatus Milo H. Gates 1879-1 El Dorado Camp 2, South Fork Canal Comment
  UC746994  Physocarpus capitatus G. Thomas Robbins 1943-6-29 1238 El Dorado ca 3 mi e of Camino (along N Fork Webber Creek) 914 Comment
  RSA32355  Pinus lambertiana G. Thomas Robbins 1943-6-20 1192 El Dorado Along road to P.G. & E. power house approximately 3 miles west of Forebay reservoir (near Pollock Pines). 976 Comment
  UC747621  Pinus ponderosa G. Thomas Robbins 1944-10-15 1834 El Dorado 3 mi e Camino (C. C. C. Camp Snowline) 1036 Comment
  UCR253135  Pinus ponderosa George K. Helmkamp, E. A. Helmkamp 2013-11-27 22488 El Dorado Sierra Nevada Mountains Foothills, Capp's Crossing Road at its junction with Mormon Emigrant Trail 1224 Comment
  UC746958  Piperia transversa G. Thomas Robbins 1943-7-15 1270 El Dorado 3 mi e Camino (at C.C.C. Camp Snowline) 1036 Comment
  UCR171259  Piperia unalascensis George K. Helmkamp, E. A. Helmkamp 2005-7-11 9691 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UC219426  Plagiobothrys hispidulus H. M. Hall 1921-6-26 11314 El Dorado Sly Park 1036 Comment
  UC907752  Plagiobothrys hispidulus G. Thomas Robbins 1945-6-17 2001 El Dorado 5 mi s Pollock Pines (in bed of drying streamlet); Sly Park 1005 Comment
  SEINET959166  Plantago lanceolata G. K. Helmkamp, E. A. Helmkamp 2005-1 9700 El Dorado Northern Sierra Nevada Foothills: 30 mi Sw of Lake Tahoe; 1 mi E of Jenkinson Lake along Mormon Emigrant Road (County Highway 5) (Sly Park7.5' Q.) 1219 Comment
  UCR171246  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2005-7-11 9700 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  CAS-BOT-BC453482  Pleuricospora fimbriolata G. Thomas Robbins 1943-6-20 1188 El Dorado Near head of Long Canyon, 2--3 mi. W of Pollock Pines 975 Comment
  UC747679  Pleuricospora fimbriolata G. Thomas Robbins 1943-6-20 1188 El Dorado 2-3 mi w of Pollock Pines (near head of Long Canyon) 975 Comment
  UCR196948  Poa nemoralis George K. Helmkamp, E. A. Helmkamp 2008-6-3 13564 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UC907652  Poa pratensis subsp. pratensis G. Thomas Robbins 1945-6-17 1999 El Dorado 5 mi s Pollock Pines (Sly Park) 1005 Comment
  UCR237436  Poa secunda George K. Helmkamp, E. A. Helmkamp 2012-5-18 19002 El Dorado Northern Sierra Nevada Mountains, junction of Bonnetti Road (Capps Crossing Rd.) and Mormon Emigrant Trail, east of Jenkinson Lake 1261 Comment
  UCR258541  Poa secunda var. secunda George K. Helmkamp, Mary Alice Barnes 2013-4-30 20428 El Dorado Northern Sierra Nevada Mountains, Capps Crossing Road, 0.1 mile south of its junction with Mormon Emigrant Trail 1261 Comment
  A347769  Polygala cornuta J. T. Howell 1943-7-28 18896 Unknown 2 miles west of Pacific House Comment
  CAS-BOT-BC167565  Polygala cornuta var. cornuta John Thomas Howell 1943-7-28 18896 El Dorado 2 miles west of Pacific House Comment
  UC747315  Polygala cornuta var. cornuta G. Thomas Robbins 1943-7-8 1254 El Dorado 3 mi e Camino; C.C.C. Camp Snowline 1036 Comment
  UCR219153  Polygala cornuta var. cornuta George K. Helmkamp, E. A. Helmkamp 2009-10-3 15665 El Dorado Sierra Nevada Mountains, junction of Capps Crossing Rd (Bonetti Rd on road sign) and Mormon Emigrant Trail; 3.6 miles east of Sly Park Road at Jenkinson Lake 1227 Comment
  SEINET959167  Polygonum argyrocoleon G. K. Helmkamp, E. A. Helmkamp 2005-1 9697 El Dorado Northern Sierra Nevada Foothills: 30 mi SW of Lake Tahoe; 1 mile E of Jenkinson Lake along Mormon Emigrant Road (County Highway 5)(Sly Park 7.5' Q) 1219 Comment
  UCR171244  Polygonum argyrocoleon George K. Helmkamp, E. A. Helmkamp 2005-7-11 9697 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  CAS-BOT-BC414376  Polygonum californicum G. Thomas Robbins 1945-6-9 1974 El Dorado Above North Fork Webber Creek, about 3 mi. e. of Camino 975 Comment
  UC746891  Polygonum californicum G. Thomas Robbins 1945-6-9 1974 El Dorado canyon slope above North Fork Webber Creek (about 3 mi e of Camino) 975 Comment
  UC746885  Polygonum douglasii subsp. majus G. Thomas Robbins 1944-6-27 1739 El Dorado top of ridge above North Fork Webber Creek (about 3 mi e of Camino) 975 Comment
  SD236111  Polystichum imbricans subsp. curtum G. K. Helmkamp, E. A. Helmkamp 2008-6-3 13571 El Dorado Sierra Nevada Mountains: Forbay Road, 7.1 miles northwest of CA-50 (road junction in Pollock Pines), no-outlet road leading to the South Fork of the American River 715 Comment
  SEINET1908707  Polystichum imbricans subsp. curtum G. K. Helmkamp, E. A. Helmkamp 2008-1 13571 El Dorado Sierra Nevada Mountains: Forbay Road, 7.1 miles northwest of CA-50 (road junction in Pollock Pines), no-outlet road leading to the South Fork of the American River (Pollock Pines 7.5' Q). 716 Comment
  UC747640  Polystichum imbricans subsp. imbricans G. Thomas Robbins 1944-6-7 1656 El Dorado ca. 3 mi e Camino (above N Fork Webber Creek) 914 Comment
  UC964851  Polystichum imbricans subsp. imbricans G. Thomas Robbins 1944-6-7 1656 El Dorado ca. 3 mi e Camino (above N Fork Webber Creek) 914 Comment
  UCR196842  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2008-6-3 13566 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UC746974  Prunus subcordata G. Thomas Robbins 1943-4-15 996 El Dorado 3 mi e of Camino (North Fork Webber Creek Canyon); North Fork Webber Creek Canyon 1036 Comment
  UC747141  Pseudognaphalium stramineum G. Thomas Robbins 1945-7-16 2072 El Dorado 3 mi e of Camino (in woods on canyon slope above North Fork Webber Creek) 914 Comment
  UCR253245  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2013-11-27 22490 El Dorado Sierra Nevada Mountains Foothills, Capp's Crossing Road at its junction with Mormon Emigrant Trail 1224 Comment
  CAS-BOT-BC361882  Psilocarphus tenellus H. M. Hall 1921-6-25 11288 El Dorado Sly Park 1036 Comment
  UC217376  Psilocarphus tenellus H. M. Hall 1921-6-25 11288 El Dorado Sly Park 1036 Comment
  SEINET3859824  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2009-10-22 15699 El Dorado Sierra Nevada Mountains Foothills: Pollock Pines, BLair Road just south of its junction with Forebay Road. (Pollock Pines 7.5' Q.).; 0 1125 Comment
  UCR219636  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2009-10-22 15699 El Dorado Sierra Nevada Mountains Foothills, Pollock Pines, Blair Road just south of its junction with Forebay Road 1125 Comment
  UCD146965  Pyrola aphylla Chuck Hughes 2012-6-19 336 El Dorado About 30 feet southeast of Blair Road. 1138 Comment
  SBBG117214  Quercus chrysolepis R. G. Myatt 1970-7-10 378 El Dorado S fork of American River from Pollock Pines 2700 Comment
  UC746868  Quercus chrysolepis G. Thomas Robbins 1944-5-21 1617 El Dorado about 3 mi e Camino; North Fork Webber Creek 975 Comment
  UCD40536  Quercus chrysolepis Rodney Gale Myatt 1970-7-10 378 El Dorado South Fork of American River from Pollock Pines. 822 Comment
  UCD45418  Quercus chrysolepis Collector Unknown 1925-5-8 1769 El Dorado Near Summit, El Dorado Co. Comment
  UCD67025  Quercus chrysolepis Rodney Gale Myatt 1970-7-10 378 El Dorado South Fork of American River from Pollock Pines. 822 Comment
  UCD72491  Quercus chrysolepis Rodney Gale Myatt 1970-7-10 378 El Dorado South Fork of American River from Pollock Pines. 822 Comment
  CDA21878  Quercus douglasii R. E. Skaggs 1961-12-3 El Dorado Route 2, Placerville. 0 Comment
  UC746859  Quercus garryana var. breweri G. Thomas Robbins 1945-6-9 1976 El Dorado ca 3 mi e Camino (above North Fork Webber Creek) 975 Comment
  SACT002145  Quercus kelloggii Michael Baad, John Willoughby 1976-9-13 El Dorado Along Highway 50 1219.2 Comment
  UC746879  Quercus kelloggii G. Thomas Robbins 1944-4-30 1580 El Dorado about 3 mi e Camino (above North Fork Webber Creek) 975 Comment
  UCR173302  Ranunculus californicus George K. Helmkamp, Elizabeth Helmkamp 2006-5-18 10474 El Dorado Northern Sierra Nevada Foothills, Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 mi. NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservior, c. 1.4 air mi. N of US Hwy 50) 1189 Comment
  CDA36373  Ranunculus muricatus G. K. Helmkamp, E. A. Helmkamp 2009-5-4 14589 El Dorado Sierra Nevada Mountains Foothills; Junction of Bonetti Road and Mormon Emigrant Trail, 3.6 miles east of Sly Park Rd. and Jenkinson Lake. Comment
  UCR208582  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2009-5-4 14589 El Dorado Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 3.6 miles east of Sly Park Rd. and Jenkinson Lake 1226 Comment
  UC907666  Rhamnus purshiana G. Thomas Robbins 1932-6-5 1124 El Dorado about 3 mi e Camino (above North Fork Webber Creek) 1036 Comment
  UC907680  Rhamnus purshiana G. Thomas Robbins 1944-6-27 1734 El Dorado about 3 mi e Camino (slope above North Fork Webber Creek) 975 Comment
  UC907683  Rhamnus rubra G. Thomas Robbins 1944-5-21 1620 El Dorado about 3 mi e Camino (e-facing canyon slope of North Fork of Webber Creek); North Fork of Webber Creek 914 Comment
  UC101538  Ribes Katharine Brandegee 1907-5-23 El Dorado 12 mi above Placerville (Sportsman's Hall) Comment
  JEPS29898  Ribes amarum Katharine Brandegee 1907-5-23 El Dorado 12 mi above Placerville (Sportsman's Hall) Comment
  JEPS43791  Ribes amarum Lewis Feldman 1966-4-19 40 El Dorado 16 mi e Placerville (along U. S. Highway 50) 609 Comment
  UC101536  Ribes amarum Katharine Brandegee 1907-5-23 El Dorado 12 mi above Placerville (Sportsman's Hall) Comment
  UC747378  Ribes amarum G. Thomas Robbins 1943-4-20 1012 El Dorado ca. 3 mi e Camino; North Fork Webber Creek 1036 Comment
  UC747371  Ribes nevadense G. Thomas Robbins 1943-4-22 1023 El Dorado 3 mi e Camino; North Fork Webber Creek 914 Comment
  UC747349  Ribes roezlii G. Thomas Robbins 1943-7-23 1280 El Dorado 3 mi e Camino (C.C.C. Camp Snowline) 1036 Comment
  UCD102453  Ribes roezlii Shannon Fairres 1976-5-1 44 El Dorado On Highway E-16, 12.1 miles northeast of Somerset. Comment
  UC101534  Ribes roezlii var. cruentum Katharine Brandegee 1907-5-23 El Dorado 12 mi above Placerville (Sportsman's Hall) Comment
  UC101537  Ribes roezlii var. cruentum Katharine Brandegee 1907-5-23 El Dorado 12 mi above Placerville (Sportsman's Hall) Comment
  UC907724  Rigiopappus leptocladus G. Thomas Robbins 1945-5-17 1912 El Dorado about 3 mi e Camino; North Fork Webber Creek 1005 Comment
  SBBG72216  Rorippa curvisiliqua Milo H. Gates 1879-1 El Dorado Camp 2, South Fork Canal Comment
  SBBG72217  Rorippa curvisiliqua Milo H. Gates 1879-1 El Dorado Camp 2, South Fork Canal Comment
  UC747433  Rorippa curvisiliqua G. Thomas Robbins 1945-6-17 2002 El Dorado 5 mi s Pollock Pines; s of Pollock Pines, Sly Park 1005 Comment
  UC747370  Rorippa nasturtium-aquaticum G. Thomas Robbins 1944-5-16 1610 El Dorado about 3 mi e Camino (meadow above North Fork Webber Creek); North Fork Webber Creek, e of Camino 914 Comment
  UC746978  Rosa bridgesii G. Thomas Robbins 1944-6-3 1652 El Dorado along U. S. Highway 50, 3 mi E of Camino 1036 Comment
  GH346015  Rosa gymnocarpa G. T. Robbins 1944-6-3 1651 Unknown along U.S. Highway 50, three miles east of Caminoa 1036 Comment
  SD51219  Rosa gymnocarpa D. F. Howe 1960-9-19 El Dorado 10 miles east of Placerville on U.S. #50 1036 Comment
  SDSU9227  Rosa gymnocarpa D. F. Howe 1960-9-19 2977 El Dorado 10 miles E of Placerville on #50. 1036 Comment
  UC746979  Rosa gymnocarpa G. Thomas Robbins 1944-6-3 1651 El Dorado along US Hwy 50 3 mi e Camino 1036 Comment
  UC746996  Rosa gymnocarpa G. Thomas Robbins 1943-5-23 1079 El Dorado 3 mi e Camino; North Fork Webber Creek 914 Comment
  UCR171321  Rubus armeniacus George K. Helmkamp, E. A. Helmkamp 2005-7-11 9688 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  CAS-BOT-BC147107  Rubus glaucifolius John Thomas Howell 1943-7-28 18898 El Dorado 2 miles west of Pacific House Comment
  UC85438  Rubus glaucifolius Katharine Brandegee 1907-5-23 El Dorado along Tahoe Road fifteen mi above Placerville; along Tahoe Road above Placerville Comment
  SD237597  Rubus parviflorus G. K Helmkamp, E. A. Helmkamp 2008-6-3 13569 El Dorado Sierra Nevada Mountains: Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 (Pollock Pines 7.5'Q) 1213 Comment
  UC481485  Rubus parviflorus Wilfred Robbins 1927-8-5 El Dorado Sly Park Comment
  UC747001  Rubus parviflorus G. Thomas Robbins 1943-6-20 1200 El Dorado along road to powerhouse 4-5 mi nw Pollock Pines; South Fork American River, nw of Pollock Pines 914 Comment
  UCR196844  Rubus parviflorus George K. Helmkamp, E. A. Helmkamp 2008-6-3 13569 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UCR208563  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2009-5-4 14587 El Dorado Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 3.6 miles east of Sly Park Rd. and Jenkinson Lake 1226 Comment
  CAS-BOT-BC227277  Rumex crispus George K. Helmkamp; E. A. Helmkamp 2012-5-3 18902 El Dorado Northern Sierra Nevada Mountains Foothills: unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  UCR206114  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2009-6-3 14885 El Dorado Sierra Nevada Mountains Foothills, Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  UCR235582  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2012-5-3 18902 El Dorado Northern Sierra Nevada Mountains Foothills, unnamed road leading to power plant, 0.3 mile east of South Fork American River bridge 613 Comment
  UCR188442  Rumex obtusifolius George K. Helmkamp, E. A. Helmkamp 2007-9-26 13022 El Dorado Northern Sierra Nevada Mountains Foothills, junction of Bonetti Road and Mormon Emigrant Trail, 2.3 miles east of Jenkinson Lake 1226 Comment
  HSC20085  Salix scouleriana D. Sutherland, A. Sylvester, R. Spellenberg 1966-3-25 1323 El Dorado 7 mi. E of Camino on Hwy. 50. 1280 Comment
  UC747266  Sanguisorba annua G. Thomas Robbins 1944-6-18 1719 El Dorado Sly Park 5 mi s Pollock Pines; , Sly Park 1005 Comment
  UC746905  Sanicula crassicaulis G. Thomas Robbins 1944-5-28 1637 El Dorado 1-2 mi from confluence of Long Creek with South Fork American River; Long Creek 762 Comment
  UC747219  Sanicula tuberosa G. Thomas Robbins 1943-4-25 1035 El Dorado 3 mi e of Camino (above North Fork Webber Creek, at edge of Buck Brush); Buck Brush 914 Comment
  UC747228  Sanicula tuberosa G. Thomas Robbins 1945-6-3 1968 El Dorado 1 1/2 mi ne of Pollock Pines (along U.S. Highway 50); U.S. Highway 50 1158 Comment
  UC747343  Saxifraga californica G. Thomas Robbins 1943-4-25 1030 El Dorado 3 mi e of Camino (above North Fork Webber Creek); North Fork Webber Creek 975 Comment
  UC747351  Saxifraga californica G. Thomas Robbins 1943-5-2 1066 El Dorado about 3 mi e of Camino ( North Fork Webber Creek); North Fork Webber Creek 914 Comment
  UCR196942  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2008-6-3 13552 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  CAS-BOT-BC283607  Schedonorus pratensis R. E. Frenkel 1964-6-12 553 El Dorado On US Highway 50, 0.5 mile E of Pollack Pines 1219 Comment
  CAS-BOT-BC283608  Schedonorus pratensis R. E. Frenkel 1964-6-12 552 El Dorado On US Highway 50, 0.5 mile E of Pollack Pines 1219 Comment
  UC746835  Scleranthus annuus subsp. annuus G. Thomas Robbins 1944-4-30 1581 El Dorado flat on canyon side above North Fork Webber Creek; above North Fork Webber Creek 975 Comment
  SD236322  Scutellaria californica G. K. Helmkamp, E. A. Helmkamp 2008-6-3 13578 El Dorado Sierra Nevada Mountains: Forbay Road, 7.1 miles northwest of CA-50 (road junction in Pollock Pines), no-outlet road leading to the South Fork of the American River 715 Comment
  SEINET1908712  Scutellaria californica G. K. Helmkamp, E. A. Helmkamp 2008-1 13578 El Dorado Sierra Nevada Mountains: Forbay Road, 7.1 miles northwest of CA-50 (road junction in Pollock Pines), no-outlet road leading to the South Fork of the American River (Pollock Pines 7.5' Q). 716 Comment
  UC747097  Scutellaria californica G. Thomas Robbins 1943-7-6 1241 El Dorado 3 mi e of Camino (North Fork Webber Creek); North Fork Webber Creek 1005 Comment
  UC416684  Scutellaria tuberosa Katharine Brandegee 1907-1 El Dorado Pacific House, a spotwise station for the variety in Sierras Pacific House Comment
  UC747574  Scutellaria tuberosa G. Thomas Robbins 1944-5-21 1619 El Dorado about 3 mi e of Camino (North Fork Webber Creek); North Fork Webber Creek 975 Comment
  UC747173  Senecio aronicoides G. Thomas Robbins 1943-4-25 1033 El Dorado about 3 mi e Camino (slope above North Fork Webber Creek); North Fork Webber Creek 975 Comment
  UC746932  Sidalcea hirsuta G. Thomas Robbins 1943-7-8 1252 El Dorado about 3 mi e of Camino (above North Fork Webber Creek) 975 Comment
  UC746904  Silene antirrhina G. Thomas Robbins 1944-6-7 1663 El Dorado about 3 mi e Camino (pine woods above North Fork Webber Creek); above North Fork Webber Creek, e of Camino 914 Comment
  CAS-BOT-BC384542  Silene bridgesii G. Thomas Robbins 1943-6-5 1125 El Dorado Above North Fork Webber Creek ca. 3 mi. e. of Camino 914 Comment
  UC746901  Silene bridgesii G. Thomas Robbins 1943-6-5 1125 El Dorado ca 3 mi e Camino (above North Fork Webber Creek); , e of Camino 914 Comment
  UC746902  Silene bridgesii G. Thomas Robbins 1944-6-29 1744 El Dorado ca 3 mi e Camino (along North Fork Webber Creek); , e of Camino 914 Comment
  CAS-BOT-BC389293  Silene lemmonii G. Thomas Robbins 1944-6-7 1659 El Dorado Above North Fork Webber Creek, ca. 3 mi. e. of Camino 914 Comment
  UC746903  Silene lemmonii G. Thomas Robbins 1944-6-7 1659 El Dorado ca 3 mi e Camino (above North Fork Webber Creek); , e of Camino 914 Comment
  CAS-BOT-BC389547  Silene nuda G. Thomas Robbins 1943-6-13 1171 El Dorado Along road to Park Creek, ca. 2 mi. w. of Park Creek 1219 Comment
  SEINET195651  Silene nuda G. Thomas Robbins 1943-6-13 1171 El Dorado Along road to Park Creek ca. two miles west of Park Creek. 1219 Comment
  UC746843  Silene occidentalis G. Thomas Robbins 1943-6-13 1171 El Dorado ca 2 mi w Park Creek (along road to Park Creek); w of Park Creek 1219 Comment
  UC747016  Sisyrinchium californicum G. Thomas Robbins 1944-5-16 1611 El Dorado 3 mi e of Camino (above North Fork Webber Creek) 914 Comment
  UC747020  Sisyrinchium californicum G. Thomas Robbins 1943-5-23 1082 El Dorado 3 mi e of Camino (along North Fork Webber Creek); North Fork Webber Creek 914 Comment
  UC747538  Smilacina racemosa G. Thomas Robbins 1943-5-23 1078 El Dorado 3 mi e Camino; North Fork Webber Creek 914 Comment
  UCR196940  Smilacina racemosa George K. Helmkamp, E. A. Helmkamp 2008-6-3 13553 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UC746960  Spiranthes porrifolia G. Thomas Robbins 1943-7-8 1251 El Dorado about 3 mi e Camino (slope above creek); North Fork Webber Creek 975 Comment
  UC907675  Stachys ajugoides var. rigida G. Thomas Robbins 1944-7-6 1749 El Dorado 5 mi s Pollock Pines; Sly Park 975 Comment
  UCR171247  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2005-7-11 9710 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UCR237085  Stipa occidentalis var. pubescens George K. Helmkamp, E. A. Helmkamp 2012-5-18 19006 El Dorado Northern Sierra Nevada Mountains, junction of Bonnetti Road (Capps Crossing Rd.) and Mormon Emigrant Trail, east of Jenkinson Lake 1261 Comment
  UCD116424  Streptanthus tortuosus Collector unknown Date unknown 1586 El Dorado Summit. Comment
  UC112905  Streptanthus tortuosus var. orbiculatus Katharine Brandegee 1908-7-12 El Dorado Summit Lake Tahoe Comment
  UC747054  Symphoricarpos mollis G. Thomas Robbins 1944-6-29 1743 El Dorado ca 3 mi e Camino (along small tributary stream of North Fork Webber Creek); North Fork Webber Creek 914 Comment
  UCR196939  Tanacetum parthenium George K. Helmkamp, E. A. Helmkamp 2008-6-3 13554 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UC747690  Taxus brevifolia G. Thomas Robbins 1943-10-5 1397 El Dorado ca. 3 mi E of Camino. 975 Comment
  UCD133416  Taxus brevifolia C. H. Lamoureux; R. Gankin 1957-3-24 1177 El Dorado Near R. Gankin's cabin, 1 mile west of Pacific House, along Hwy 50. Comment
  UCD19897  Taxus brevifolia C. H. Lamoureux; R. Gankin 1957-3-24 1177 El Dorado Near R. Gankin's cabin, 1 mile west of Pacific House, along Hwy 50. Comment
  UC747379  Tellima grandiflora G. Thomas Robbins 1943-5-23 1083 El Dorado 3 mi e Camino (woods along North Fork Webber Creek); North Fork Webber Creek 914 Comment
  UC747445  Thalictrum fendleri var. polycarpum G. Thomas Robbins 1944-6-29 1742 El Dorado small stream near North Fork Webber Creek (about 3 mi e of Camino) 914 Comment
  RSA714443  Tragopogon dubius George K. Helmkamp, E. A. Helmkamp 2005-7-11 9684 El Dorado 30 mi. SW of Lake Tahoe; 1 mi E of Jenkinson Lake along Mormon Emigrant Road (County Highway 5). 1220 Comment
  UCR171183  Tragopogon dubius George K. Helmkamp, E. A. Helmkamp 2005-7-11 9684 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  UCR196864  Tragopogon dubius George K. Helmkamp, E. A. Helmkamp 2008-6-3 13562 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UCR205999  Tragopogon dubius George K. Helmkamp, E. A. Helmkamp 2009-6-3 14876 El Dorado Sierra Nevada Mountains Foothills, Pony Express Trail, 0.7 mile east of its junction with Sly Park Road in Pollock Pines 851 Comment
  UC747558  Trichostema lanceolatum G. Thomas Robbins 1943-7-8 1250 El Dorado 3 mi E of Camino (above North Fork Webber Creek) 975 Comment
  UC747560  Trichostema oblongum G. Thomas Robbins 1943-7-6 1242 El Dorado 3 mi E of Camino (on canyon slope above North Fork Webber Creek) 975 Comment
  RSA791423  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2011-5-18 19005 El Dorado Northern Sierra Nevada Mountains: junction of Bonnetti Road (Capps Crossing Rd.) and Mormon Emigrant Trail, east of Jenkinson Lake 1261 Comment
  SD236389  Trientalis latifolia G. K. Helmkamp, E. A. Helmkamp 2008-6-3 13558 El Dorado Sierra Nevada Mountains: Pony Express Trail, 0.8 miles east of Sly Park Road (Polluck Pines) and parallel to US-50. 1213 Comment
  SEINET1908701  Trientalis latifolia G. K. Helmkamp, E. A. Helmkamp 2008-1 13558 El Dorado Sierra Nevada Mountains: Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 (Polllock Pines 7.5' Q). 1213 Comment
  UCR196862  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2008-6-3 13558 El Dorado Sierra Nevada Mountains, Pony Express Trail, 0.8 mile east of Sly Park Road (Pollock Pines) and parallel to US-50 1213 Comment
  UCR237073  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2012-5-18 19005 El Dorado Northern Sierra Nevada Mountains, junction of Bonnetti Road (Capps Crossing Rd.) and Mormon Emigrant Trail, east of Jenkinson Lake 1261 Comment
  UC125090  Trifolium breweri Katharine Brandegee July 1908 El Dorado betw Kyburg and Georgetown junction Comment
  UC125091  Trifolium breweri Katharine Brandegee July 1908 El Dorado above Placerville (twelfth milstone) Comment
  UC125092  Trifolium breweri Katharine Brandegee July 1908 El Dorado above Placerville (twelfth milstone) Comment
  UC125101  Trifolium breweri Katharine Brandegee July 1908 El Dorado betw Kyburg and Georgetown Junction Comment
  UCD108826  Trifolium dubium G. K. Helmkamp; Elizabeth Helmkamp 2006-5-18 10470 El Dorado Northern Sierra Nevada Foothills. Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 miles NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservoir, ca. 1.4 air miles N of US Hwy 50). 1189 Comment
  UCR173284  Trifolium dubium George K. Helmkamp, Elizabeth Helmkamp 2006-5-18 10470 El Dorado Northern Sierra Nevada Foothills, Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 mi. NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservior, c. 1.4 air mi. N of US Hwy 50) 1189 Comment
  SEINET959048  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2005-1 9715 El Dorado Northern Sierra Nevada Foothills; Pollock Pines area just S of US Highway 50 along Country Road #5 (Pollock Pines 7.5 Q. 1159 Comment
  UCR171252  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2005-7-11 9715 El Dorado Northern Sierra Nevada Foothills, Pollock Pines area just south of US Highway 50 along County Road #5 1159 Comment
  UC746988  Trifolium willdenovii G. Thomas Robbins 1945-5-17 1911 El Dorado ca 3 mi e Camino (above North Fork Webber Creek) 1005 Comment
  UC747649  Trillium angustipetalum G. Thomas Robbins 1943-4-10 984 El Dorado 3 mi. e. Camino (N. Fork Webber Creek); N. Fork Webber Creek 944 Comment
  SEINET195676 Image available Triteleia hyacinthina G. Thomas Robbins 1944-6-27 1714 El Dorado North Fork Webber Creek about 3 miles east of Camino 975 Comment
  UC747540  Triteleia hyacinthina G. Thomas Robbins 1944-6-27 1741 El Dorado above North Fork Webber Creek (ca 3 mi e of Camino) 975 Comment
  UC747510  Triteleia ixioides subsp. unifolia G. Thomas Robbins 1943-4-29 1048 El Dorado 3 mi w Camino (C.C.C. Camp Snowline) 1036 Comment
  UC1121151  Vaccinium shastense subsp. nevadense P. L. Johannsen 1934-7-6 369 El Dorado 1 mi W of Blair Saw Mill; El Dorado National Forest, Placerville Quad. 1066 Comment
  UC746980  Vicia americana var. americana G. Thomas Robbins 1943-4-29 1046 El Dorado 3 mi e Camino (along U.S. Highway 50, at C.C.C. Camp Snowline) 1036 Comment
  SD234411  Vicia villosa subsp. varia G. K. Helmkamp, E. A. Helmkamp 2005-7-11 9690 El Dorado Northern Sierra Nevada Foothills: 30 miles SW of Lake Tahoe; 1 mile E of Jenkinson Lake along Mormon Emigrant Road (County Highway 5) (Sly Park 7.5' Q) 1220 Comment
  UCR171622  Vicia villosa subsp. varia George K. Helmkamp, E. A. Helmkamp 2005-7-11 9690 El Dorado Northern Sierra Nevada Foothills, 30 miles SW of Lake Tahoe; 1 mile east of Jenkinson Lake along Mormon Emigrant Road/County Highway 5 1220 Comment
  RSA714206  Vicia villosa var. glabrescens George K. Helmkamp, E. A. Helmkamp 2005-7-11 9690 El Dorado 30 mi. SW of Lake Tahoe; 1 mi E of Jenkinson Lake along Mormon Emigrant Road (County Highway 5). 1220 Comment
  UC746938  Viola glabella G. Thomas Robbins 1944-5-7 1588 El Dorado n of Sly Park Meadow (along tributary stream of Park Creek); Park Creek 975 Comment
  UCD146973  Viola odorata Chuck Hughes 2012-7-26 344 El Dorado Near Pollock Pines. About 20 feet north of Blair Road. 1135 Comment
  UCR173301  Viola purpurea subsp. quercetorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-18 10473 El Dorado Northern Sierra Nevada Foothills, Spring Valley; Telephone Ridge area, NW of Riverton. Brockliss Canyon Road, about 11 mi. NW of junction with Meadowridge Road and Ice House Canyon Road (SSW of Union Valley Reservior, c. 1.4 air mi. N of US Hwy 50) 1189 Comment
  UC746941  Viola sheltonii G. Thomas Robbins 1943-4-10 982 El Dorado 3 mi e of Camino (North Fork Webber Creek); North Fork Webber Creek 944 Comment
  UCD19898  Viola sheltonii C. H. Lamoureux; R. Gankin 1957-3-24 1178 El Dorado Near R. Gankin's cabin, 1 mile west of Pacific House, along Hwy 50. Comment
  CAS-BOT-BC249067  Vulpia microstachys George K. Helmkamp; E. A. Helmkamp 2012-5-18 19001 El Dorado Northern Sierra Nevada Mountains: junction of Bonnetti Road (Capps Crossing Rd.) and Mormon Emigrant Trail, east of Jenkinson Lake 1261 Comment
  CAS-BOT-BC183083  Vulpia microstachys var. ciliata R. E. Frenkel 1964-6-11 549 El Dorado On Sly Park Road, 0.2 mile south-east of Clear Creek Road, Pleasant Valley 792 Comment
  CAS-BOT-BC183084  Vulpia microstachys var. ciliata R. E. Frenkel 1964-6-11 577 El Dorado On Sly Park Road, 2.2 miles east of Clear Creek Road 926 Comment
  UC907635  Vulpia microstachys var. ciliata G. Thomas Robbins 1945-6-8 1972 El Dorado 3 mi e Camino (near C.C.C. Camp Snowline) 1036 Comment
  CAS-BOT-BC382903  Wyethia angustifolia G. Thomas Robbins 1944-6-27 1736 El Dorado Above North Fork Webber Creek, ca. 3 mi. e. of Camino 975 Comment
  UC747170  Wyethia angustifolia G. Thomas Robbins 1944-6-27 1736 El Dorado grassy ravine on canyon slope above North Fork Webber Creek (ca 3 mi e of Camino) 975 Comment
  UC747171  Wyethia angustifolia G. Thomas Robbins 1944-6-18 1718 El Dorado 5 mi s Pollock Pines (Sly Park); Sly Park 975 Comment
  UC746909  Yabea microcarpa G. Thomas Robbins 1944-5-21 1618 El Dorado ca 3 mi e Camino (on canyon slope above North Fork Webber Creek) 975 Comment
  UC747519  Zigadenus exaltatus G. Thomas Robbins 1943-5-2 1060 El Dorado canyon slope above creek about 3 mi e Camino; North Fork Webber Creek 914 Comment
  UC747544  Zigadenus venenosus var. venenosus G. Thomas Robbins 1944-6-18 1716 El Dorado 5 mi s Pollock Pines; Sly Park 1005 Comment



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