38.99056 39.09056 -120.84111 -120.74111 Archived CCH Search Results
Search Results — 549 specimen records retrieved (549 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  GH403594  Acer macrophyllum G. K. Helmkamp & E. A. Helmkamp 2009-5-11 14600 Unknown Sierra Nevada Mountains Foothills: Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill Comment
  SEINET11261906  Acer macrophyllum George Helmkamp, E. A. Helmkamp 2012-5-11 18953 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1041 Comment
  SEINET3828342  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2012-1 18953 Placer Northern Sierra Nevada Mountians Foothills: Finnin Mill Road, 1.7 miles north of its junction with Forest Hill Road, Foresthill 7.5 1041 Comment
  UCD117054  Acer macrophyllum K. H. Traver 1969-5-24 39 Placer 1 mile north of Forest Hill. Comment
  UCR208593  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14660 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  UCR235391  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2012-5-11 18953 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  UCD128290  Achillea millefolium Eric Brenner; John Hunter 1996-5-26 009 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCR233278  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2011-7-9 17684 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road at Foresthill 883 Comment
  UCR250165  Achillea millefolium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20481 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  SEINET3828338 Image available Achnatherum lettermanii George K. Helmcamp, E. A. Helmkamp 2012-1 18959 Placer Northern Sierra Nevada Mountians Foothills: Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road, Foresthill 7.5' Q. 1140 Comment
  UCD51038  Achnatherum occidentale subsp. californicum Beecher Crampton 1955-6-15 2912 Placer 1/2 mile north of Forest Hill. 975 Comment
  UCR241743  Achnatherum occidentale subsp. californicum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19220 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UCR231855  Adenocaulon bicolor George K. Helmkamp, E. A. Helmkamp 2010-8-11 16764 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  SACT000031  Aegilops triuncialis D. Meyer 1983-6-5 Placer 982.98 Comment
  SEINET4178573 Image available Aegilops triuncialis Unknown 2012-6-19 Placer Northern Sierra Nevada Mtns Foothill: Foresthill rd, 2.6 miles e of its jct with Mosquito Ridge Rd. 1052 Comment
  UCR241273  Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19218 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  CAS-BOT-BC13323  Agoseris retrorsa L. S. Smith 1925-4-16 1777 Placer Tahoe National Forest. Forest Hill Divide. 609 Comment
  RSA790861  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  SD240834  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Northern Sierra Nevada Mountains Foothills:Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road (Foresthill 7.5'Q) 1103 Comment
  UCR235386  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  SACT000077  Agropyron trachycaulum D. Meyer 1983-8-7 Placer Moist shady area, Louisiana Pacific Private Forest entrance 2000.0 Comment
  SACT000087  Agrostis exarata D. Meyer 1984-6-10 Placer 436.0 Comment
  UCD124129  Agrostis exarata Ellen Dean; Marcel Rejmanek 2012-10-9 7503 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  SACT000191  Agrostis stolonifera var. major D. Meyer 1983-8-7 Placer Hwy 267 4.6 km South of PLacer County line. Roadside wash. 1758.0 Comment
  SACT000216  Agrostis tenuis D. Meyer 1984-6-10 Placer 606.0 Comment
  UCR194967  Ailanthus altissima George K. Helmkamp, E. A. Helmkamp 2007-5-18 12024 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCR231847  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2010-8-11 16756 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  GH403088  Arbutus menziesii D. H. Goldman 2004-11-2 2918 Unknown S. side of Yankee Jims Road, W. of Foresthill 859 Comment
  SACT000348  Arrhenatherum elatius D. Meyer 1984-6-10 Placer 606.0 Comment
  UCD36674  Arrhenatherum elatius Beecher Crampton 1955-6-15 2913 Placer Placer County, 0.5 mile north of Forest Hill, on road to Yankee Jims. Comment
  UCD56023  Arrhenatherum elatius Beecher Crampton 1955-6-15 2913 Placer 1/2 mile north of Forest Hill. 975 Comment
  CDA12005  Asclepias cordifolia G. F. Hrusa 1995-5-2 12186 Placer Sierra Nevada; Approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  SDSU2521  Asclepias cordifolia D. R. Harvey 1960-5-29 Placer Near Forest Hill Comment
  UCR194940  Asclepias cordifolia George K. Helmkamp, E. A. Helmkamp 2007-5-18 12009 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCD124137  Aspidotis densa Ellen Dean; Marcel Rejmanek 2012-10-9 7511 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  CAS-BOT-BC17415  Athysanus pusillus L. S. Smith 1926-4-16 1779 Placer Tahoe Forest. Forest Hill Divide. Road to Sugar Pine. 1097 Comment
  SACT000369  Avena barbata D. Meyer 1983-6-5 Placer along roadside 487.68 Comment
  SACT000392  Avena fatua D. Meyer 1983-6-5 Placer 977.3 Comment
  CAS-BOT-BC438832  Barbarea orthoceras George K. Helmkamp; Mary Alice Barnes 2013-5-3 20485 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill. 829 Comment
  RSA0037368  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-5-3 20485 Placer Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 ) of Foresthill 829 Comment
  UCR250072  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-5-3 20485 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR208590  Barbarea verna George K. Helmkamp, E. A. Helmkamp 2009-5-11 14663 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  UCR235379  Berberis aquifolium var. repens George K. Helmkamp, E. A. Helmkamp 2012-5-11 18961 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  CAS-BOT-BC75987  Berberis pumila L. S. Smith 1926-4-16 1774 Placer Tahoe Forest. Forest Hill Ridge. 1219 Comment
  UCD129571  Bidens frondosa G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12955 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR190711  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2007-9-14 12955 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCSB70080  Bidens frondosa Helmkamp, G.; Helmkamp, E. 2007-9-14 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR231879  Brassica geniculata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17022 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  SD234284  Brickellia californica G. K. Helmkamp, E. A. Helmkamp 2007-9-14 12961 Placer Foothills, norhtern Sierra Nevada Mountains: along Mosquito Ridge Road 6 miles east of Foresthill. 609 Comment
  UCD129631  Brickellia californica G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12961 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road 6 miles east of Foresthill. 610 Comment
  UCR190583  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2007-9-14 12961 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  SACT000516  Bromus carinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  CAS-BOT-BC149518  Bromus carinatus var. carinatus L. S. Smith 1925-6-4 1623 Placer Tahoe Forest. Forest Hills. 762 Comment
  SACT000519  Bromus diandrus D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT000527  Bromus diandrus D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT000532  Bromus diandrus D. Meyer 1983-6-5 Placer on the turnoff, along roadside 487.68 Comment
  RSA0039071  Bromus hordeaceus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20474 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCD58667  Bromus hordeaceus Beecher Crampton 1955-6-15 2914 Placer Forest Hill. 975 Comment
  UCR250588  Bromus hordeaceus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20474 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SACT000568  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-6-5 Placer 982.98 Comment
  JEPS69177  Bromus laevipes Leland S. Smith 1925-6-4 1624 Placer s of Forest Hill (Trail to Three Queens Mine, Tahoe National Forest); Tahoe National Forest 609 Comment
  SACT000559  Bromus laevipes Michael Baad 1977-6-8 Placer on the road between Forest Hill and French Meadows, roadside in serpentin-chaparral community Comment
  SACT000598  Bromus laevipes D. Meyer 1984-6-10 Placer 3.2 km southwest of Colfax, steep shady cliff along slowly moving stream 606.0 Comment
  SACT000633  Bromus madritensis D. Meyer 1983-6-5 Placer along roadside turn-off 487.68 Comment
  SACT000635  Bromus madritensis D. Meyer 1983-6-5 Placer along turn-off, roadside 487.68 Comment
  SACT000695  Bromus marginatus D. Meyer 1983-8-7 Placer moist, shady area, Louisiana Pacific Private Forest entrance 2000.0 Comment
  CAS-BOT-BC162168  Bromus orcuttianus Lillian S. Mott 1966-6-5 LSM 6645 Nevada Mayflower Mine. N.I.D. ditch water source. Little Alder Creek. 731 Comment
  CAS-BOT-BC174234  Bromus orcuttianus G. K. Helmkamp; Amy Barnes 2009-7-12 15177 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UCR215974  Bromus orcuttianus George K. Helmkamp, Amy Barnes 2009-7-12 15177 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UCR240902  Bromus orcuttianus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19215 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  SACT000768  Bromus tectorum Michael Baad 1977-6-8 Placer Forest Hill and French Meadows roadside in serpentine and chaparral community Comment
  SACT000774  Bromus tectorum D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT000773  Bromus tectorum var. tectorum D. Meyer 1983-7-3 Placer 1152.0 Comment
  UCR250179  Calamagrostis breweri George K. Helmkamp, Mary Alice Barnes 2013-5-3 20468 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SEINET3863172 Image available Calocedrus decurrens D. Bortner 1973-6-2 123 Placer Two miles east of Foresthill, off Auburn-Foresthill Rd.; 0 Comment
  UCD67355  Calocedrus decurrens D. Bortner 1973-6-2 123 Placer Two miles east of Foresthill, off Auburn-Foresthill Rd. Mixed conifer forest. Comment
  SEINET11261859  Calochortus minimus George Helmkamp, E. A. Helmkamp 2012-5-11 18941 Placer Foothills, Northern Sierra Nevada Mountains: Finning Mill Road, at the junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1136 Comment
  UCR208587  Calochortus minimus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14652 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  UCR235504  Calochortus minimus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18941 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  SD240790  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18958 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road (Foresthill 7.5'Q) 1139 Comment
  UCR235376  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18958 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  RSA0104574  Calystegia occidentalis subsp. occidentalis Sandra M. Namoff 2011-7-17 60 Nevada Near Tahoe National Forest, open area on Gorman Ranch Road, c. 3 miles from the intersection with Michigan Bluff Road. 1001 Comment
  UCD14647  Calystegia occidentalis subsp. occidentalis Deanna Lynn Pfleger 1989-5-20 4 Placer California, Placer Co.; 20 miles out of the town of Auburn, along Foresthill Road; 1036 Comment
Read comments
Jun 20 2014
  UCR194948  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12003 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CAS-BOT-BC416718  Calystegia vanzuukiae R. K. Brummitt; S. N. Namoff; K. Van Zuuk; B. Ertter 2012-6-12 22047 Placer Tahoe National Forest, 3 miles NE of Foresthill, Western States Trail c. 1 mile from Michigan Bluff Road 1091 Comment
  CHSC112057  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22047 Placer Tahoe National Forest, 3 miles NE of Foresthill, Western States Trail c. 1 mile from Michigan Bluff Road. 1091 Comment
  RSA0104567  Calystegia vanzuukiae Sandra M. Namoff 2011-7-17 59 Nevada Near Tahoe National Forest, open area on Gorman Ranch Road, 0.8 miles from the intersection with Michigan Bluff Road. 707 Comment
  SEINET10880650 Image available Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff; K. Van Zuuk; Barbara J. Ertter 2012-6-12 Brummitt 22047 Placer Tahoe National Forest, 3 mi NE of Foresthill, on Western States Trail, ca. 1 mi from Michigan Bluff Road. 1091 Comment
  UC1965419 Image available Calystegia vanzuukiae R. K. Brummitt 2012-6-12 22047 Placer Tahoe National Forest, Western States Trail c. 1 mile from Michigan Bluff Road Comment
  SD243112  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-11 16758 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek (Foresthill 7.5'Q) 1082 Comment
  UCR231822  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-11 16758 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  CHSC32008  Cardamine L. Ahart 1973-3-29 187 Placer Near Forest Hill. 457 Comment
  CAS-BOT-BC37369  Cardamine californica L. S. Smith 1926-4-16 1780 Sierra Tahoe Forest. Forest Hill Divide. 1097 Comment
  CDA11985  Carex G. F. Hrusa 1995-5-2 12166 Placer Sierra Nevada; Approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  JEPS73657  Castilleja applegatei subsp. pinetorum L. R. Heckard with G. L. Stebbins 1973-6-18 3445 Placer about 2.5 road mi e Forest Hill (high above (n of) Middle Fork American River) 762 Comment
  JEPS8664  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-20 3892 Placer about 2 mi e and below Forest Hill (n side of Middle Fork Canyon (American River), at Volcano Canyon, along oiled road of lumber company); Middle Fork Canyon (American River), Volcano Canyon 762 Comment
  RSA518676  Castilleja applegatei subsp. pinetorum L. R. Heckard, G. Ledyard Stebbins 1973-6-18 3445 Placer High above (north) of Middle Fork American River, about 2.5 road miles east of Forest Hill. 762 Comment
  UCR233277  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17685 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road at Foresthill 883 Comment
  CDA12001  Castilleja attenuata G. F. Hrusa 1995-5-2 12182 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  UCR194930  Castilleja subinclusa subsp. subinclusa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12013 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR208585  Ceanothus diversifolius George K. Helmkamp, E. A. Helmkamp 2009-5-11 14654 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  UCD111987  Ceanothus integerrimus K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles east of Forest Hill (town). 900 Comment
  UCD16105  Ceanothus integerrimus R. Rhode 1984-5-12 s.n. Placer California. Placer County: at the intersection of Michigan Bluff Rd. and Foresthill Rd. 1005 Comment
  UCD21954  Ceanothus integerrimus Brian Vanden Heuvel 2002-7-3 159 Placer Tahoe National Forest. 1.2 road miles WSW of Foresthill on Forest Service Road 96. Large population on north side of road on steep hillside. Comment
  UCD22724  Ceanothus integerrimus K. A. Bear 1978-5-13 52 Placer 4.1 mi. E. of Foresr Hill Rd. on Mosquito Ridge Rd. Comment
  UCD16103  Ceanothus integerrimus var. californicus Gary Brickner 1984-5-12 31 Placer California. Placer County: 4 mi east of Forest Hill on Forest Hill Rd. 1121 Comment
  UCR235384  Ceanothus oliganthus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18946 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  UC18387  Ceanothus prostratus H. N. Bolander 1865-4-13 4557 Placer Forest Hill Comment
  RSA790859  Ceanothus tomentosus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18946 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  SEINET3828341  Ceanothus tomentosus George K. Helmcamp, E. A. Helmkamp 2012-1 18946 Placer Northern Sierra Nevada Mountians Foothills: Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road, 7.5'. 1103 Comment
  UC18418  Ceanothus tomentosus H. N. Bolander 1865-4-13 4558 Placer Forest Hills Comment
  UCD124138  Ceanothus tomentosus Ellen Dean; Marcel Rejmanek 2012-10-9 7512 Placer Along Mosquito Ridge Road, ca. five road mile E of junction with Foresthill Road, S side of Mosquito Ridge Road by firebreak. Comment
  JEPS81204  Centaurea cyanus Douglas W. James Jr. 1973-5-27 120 Placer off Mosquito Ridge Road about 2 mi from Forest Hill 853 Comment
  SEINET4560835  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-1 17023 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's road, 0.5 mile north of Forest Hill road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UCR231863  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-10-16 17023 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  CAS-BOT-BC136990  Cercocarpus betuloides var. betuloides Mary E. Jump 1939-5-15 s.n. Placer Road to Foresthill Comment
  CHSC75010  Chamaebatia foliolosa Sabbina M. Lau 1989-5-20 13 Placer 20 miles out of Auburn on Foresthill Rd. 1036 Comment
  CHSC75011  Chamaebatia foliolosa Alan B. Chan 1977-5-28 27 Placer Mosquito Ridge Road, 1.6 rd mi. SE of Auburn-Foresthill Road. Comment
  SEINET3392250  Chamaebatia foliolosa E. D. McArthur 1982-1 EDM- 1361 Placer East of Auburn; along the road to Forest hill Comment
  UCD112924  Chamaebatia foliolosa R. Bladin 1992-6-7 13 Placer Forest Hill near parket lot. 975 Comment
  UCD112933  Chamaebatia foliolosa G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12051 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCD112939  Chamaebatia foliolosa K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles east of Forest Hill (town). Western Sierra foothills. 900 Comment
  UCD21955  Chamaebatia foliolosa Brian Vanden Heuvel 2002-7-3 160 Placer Tahoe National Forest. 1.2 road miles WSW of Foresthill on Forest Service Road 96. Large population on north side of road on steep hillside. Comment
  UCR191059  Chamaebatia foliolosa George K. Helmkamp, E. A. Helmkamp 2007-5-23 12051 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  UCR200855  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2008-9-15 14098 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  RSA782551  Chlorogalum pomeridianum George K. Helmkamp, Amy Barnes 2009-7-12 15172 Placer along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  SD237255  Chlorogalum pomeridianum G. K. Helmkamp, Amy Barnes 2009-7-12 15172 Placer Sierra Nevada Mountains Foothills: along Foresthill Road at the northeast end of the city of Foresthill. 985 Comment
  UCR215903  Chlorogalum pomeridianum George K. Helmkamp, Amy Barnes 2009-7-12 15172 Placer Sierra Nevada Mountains Foothills, along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  UCR233238  Chlorogalum pomeridianum var. pomeridianum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17694 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  UCD130485  Cichorium intybus G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11208 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 1.0 mile north of Forest Hill. 1037 Comment
  UCD130486  Cichorium intybus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12949 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR176265  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2006-8-11 11208 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 1.0 mile north of Forest Hill 1037 Comment
  UCR190225  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12949 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR231867  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17018 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  CDA11989  Cirsium occidentale var. californicum G. F. Hrusa 1995-5-2 12170 Placer Sierra Nevada; 6 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCR231858  Cirsium vulgare George K. Helmkamp, E. A. Helmkamp 2010-8-11 16761 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  CAS-BOT-BC162633  Clarkia Elizabeth McClintock 1969-6-1 s.n. El Dorado Canyon of Rubicon River near Volcanoville 579 Comment
  CAS-BOT-BC438831  Claytonia parviflora subsp. parviflora George K. Helmkamp; Mary Alice Barnes 2013-5-3 20476 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  RSA0042822  Claytonia parviflora subsp. parviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20476 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCR250048  Claytonia parviflora subsp. parviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20476 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  CAS-BOT-BC438830  Collomia heterophylla George K. Helmkamp; Mary Alice Barnes 2013-5-3 20473 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  CDA11992  Collomia heterophylla G. F. Hrusa 1995-5-2 12173 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  RSA0039072  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SD248473  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Foothills, Northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road (Forest Hill 7.5'Q) 961 Comment
  UCR115099  Collomia heterophylla G. Fred Hrusa 1995-5-20 s.n. Placer 1 km east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCR250063  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UC1999784  Cornus nuttallii H. E. M. Dobson 1977-10-23 285 Placer near Forest hill. Comment
  UCD110087  Corylus cornuta subsp. californica D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-6 s.n. Placer Michigan Bluff-Forest Hill. Michigan Bluff Road. 1070 Comment
  SDSU4788  Corylus cornuta var. californica D. R. Harvey 1960-5-29 Placer Between Michigan Bluff and Forest Hill. Comment
  CDA12009  Cynoglossum grande G. F. Hrusa 1995-5-2 12190 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  SACT000855  Cynosurus echinatus D. Meyer 1983-6-5 Placer On turn-off along roadside. 487.68 Comment
  SACT000856  Cynosurus echinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  SD260155  Cynosurus echinatus George K. Helmkamp, Mary Alice Barnes 2015-5-3 20478 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92a^z) of Foresthill (Forest Hill 7.5'Q) 829 Comment
  UCR250045  Cynosurus echinatus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20478 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCD141044  Cyperus eragrostis G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12950 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR190140  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2007-9-14 12950 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCD124127  Cyperus niger Ellen Dean; Marcel Rejmanek 2012-10-9 7501 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  CDA11995  Delphinium gracilentum G. F. Hrusa 1995-5-2 12176 Placer Sierra Nevada; Shaded slopes beneath Douglas-fir. 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Perennial, flowers purple. Comment
  RSA388346  Dendromecon rigida T. Sholars 1975-5-11 30 Placer Mosquito Ridge Road, 6 miles east of intersection with Foresthill Road Comment
  UCR250167  Dendromecon rigida George K. Helmkamp, Mary Alice Barnes 2013-5-3 20483 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  SACT000958  Deschampsia elongata D. Meyer 1984-6-10 Placer 436.0 Comment
  CDA11984  Dicentra formosa G. F. Hrusa 1995-5-2 12165 Placer Sierra Nevada; Mosquito Ridge Rd., approx. 5 km. beyond crossing of North Fork of Middle Fork of the American River. Comment
  RSA755333  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14568 Placer town of Foresthill, along Forest Hill Road 988 Comment
  SD239841  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18955 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road. 1041 Comment
  UCD23418  Dicentra formosa Alan B. Chan 1977-5-28 34 Placer Purple flowers, bilabiate corolla, in part shade. Collected 20 miles NE of the Auburn Forest Hill Bridge on Auburn Forest Hill Road towards Michigan Bluff. Mixed evergreen forest. Comment
  UCR115101  Dicentra formosa G. Fred Hrusa 1995-5-20 12165 Placer Sierra Nevada Mtns., Mosquito Ridge Road, c. 5 km beyond crossing of North Fork of Middle Fork of the American River. 700 Comment
  UCR207861  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14568 Placer Sierra Nevada Mountains Foothills, town of Foresthill, along Forest Hill Road 988 Comment
  UCR208609  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14664 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  UCR235422  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18955 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  SEINET3885610  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12006 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 2.8 miles southeast of Foresthill (Foresthill 7.5' Q.).; 0 814 Comment
  UCR194966  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12022 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCR195170  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12006 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR233241  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17691 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  CAS-BOT-BC150477  Diplacus grandiflorus Rimo Bacigalupi; A. Hawkes; J. Hunziker; G. L. Stebbins; D. Zohary; H. Stutz; F. Ehrendorfer 1952-7-20 3893 Placer Middle fork of the American River, at Volcano Canyon, about 2 miles below and east of Forest Hill 762 Comment
  CAS-BOT-BC150512  Diplacus grandiflorus Elizabeth McClintock 1969-6-1 s.n. El Dorado Canyon of the Rubicon River near Volcanoville 579 Comment
  SD114411  Diplacus torreyi Darley F. Howe 1971-6-29 4747 Placer 1.4 miles east of Forest Hill 1096 Comment
  CDA12294  Draperia systyla G. F. Hrusa 1989-5-2 7067 Placer Sierra Nevada; 6 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  SEINET1908714  Dysphania botrys G. K. Helmkamp, E. A. Helmkamp 2008-1 14098 Placer Foothills, northern Sierra Nevada Mountains; along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  RSA604108  Elymus glaucus Eric Brenner, John Hunter 1996-5-26 10 Placer Tahoe national Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon 570 Comment
  SACT001083  Elymus glaucus D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001092  Elymus glaucus D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT001132  Elymus glaucus Michael Baad 1977-6-8 Placer 1.3 miles southeast on road between Forest Hill and French Meadows Reservoir. Serpentine chaparral community. Comment
  SD81191  Elymus glaucus Darley F. Howe 1971-6-29 Placer 1.4 miles East of Forest Hill 1096 Comment
  CAS-BOT-BC206773  Elymus glaucus subsp. glaucus Lillian Mott 1966-6-5 6645 Nevada Mayflower Mine, NID ditch - Sierra Nevada 731 Comment
  UCD36673  Elymus glaucus subsp. glaucus Beecher Crampton 1955-6-15 2911 Placer Placer County, 0.5 mile north of Forest Hill, on road to Yankee Jims. 975 Comment
  UCD61697  Elymus glaucus subsp. glaucus Beecher Crampton 1955-6-15 2911 Placer 1/2 mile north of Forest Hill. 975 Comment
  UCD61770  Elymus glaucus subsp. glaucus Eric Brenner; John Hunter 1996-5-26 010 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCR240900  Elymus glaucus subsp. glaucus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19213 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  SACT001077  Elymus glaucus subsp. jepsonii D. Meyer 1984-6-10 Placer 606.0 Comment
  SACT001093  Elymus glaucus subsp. jepsonii D. Meyer 1983-6-5 Placer Turn off along roadside. 487.68 Comment
  SACT001156  Elymus triticoides D. Meyer 1984-7-21 Placer sagebrush type vegetation. 1758.0 Comment
  UCR200879  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14097 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UCD124133  Epilobium ciliatum Ellen Dean; Marcel Rejmanek 2012-10-9 7507 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD105784  Epilobium ciliatum subsp. ciliatum G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12956 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR190699  Epilobium ciliatum subsp. ciliatum George K. Helmkamp, E. A. Helmkamp 2007-9-14 12956 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  CAS-BOT-BC300666  Erigeron foliosus var. hartwegii Mary E. Jump 1939-5-15 s.n. Placer Road to Foresthills Comment
  UCR231846  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16757 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  SD234988  Eriogonum nudum var. oblongifolium G. K. Helmkamp, E. A. Helmkamp 2007-9-14 12960 Placer Foothills, Northern Sierra Nevada Mountains: along Mosquito Ridge Road 6 miles east of Foresthill (Foresthill 7.5' Q) 609 Comment
  UCD100548  Eriogonum nudum var. oblongifolium G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12960 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road 6 miles east of Foresthill. 610 Comment
  UCR190584  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2007-9-14 12960 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  UCSB70078  Eriogonum nudum var. oblongifolium Helmkamp, G.; Helmkamp, E. 2007-9-14 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 6 miles east of Foresthill (Foresthill 7.5' Q) 610 Comment
  UCR194950  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-5-18 12021 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCR250164  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20479 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR208566  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14604 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UCR231853  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16767 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  CAS-BOT-BC301406  Eriophyllum lanatum var. grandiflorum L. S. Smith 1923-5-1 1829 Placer Tahoe National Forest. Forest Hill Divide 762 Comment
  JEPS34505  Eriophyllum lanatum var. grandiflorum L. S. Smith 1925-6-3 1617 Placer along road below Yankee Jim; Tahoe National Forest 746 Comment
  CAS-BOT-BC308250  Eriophyllum lanatum var. integrifolium L. S. Smith 1926-5-23 1829 Placer Forest Hill Divide, Tahoe Forest 762 Comment
  UCD14937  Erysimum capitatum Alan B. Chan 1977-5-28 35 Placer California, Placer Co.; 20 miles northeast of the Auburn Forest Hill Bridge, 1.2 miles south along Auburn Forest Hill Road towards Michigan Bluff; Comment
  SD240985  Euphorbia crenulata George K. Helmkamp, E. A. Helmkamp 2012-5-11 18943 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road (Foresthill 7.5'Q) 1103 Comment
  SD81227  Euphorbia crenulata Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill. 1399 Comment
  SEINET11261856  Euphorbia crenulata George Helmkamp, E. A. Helmkamp 2012-5-11 18943 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.2 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1104 Comment
  UCR235502  Euphorbia crenulata George K. Helmkamp, E. A. Helmkamp 2012-5-11 18943 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  UCD142804  Euphorbia serpillifolia G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12952 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR190713  Euphorbia serpillifolia George K. Helmkamp, E. A. Helmkamp 2007-9-14 12952 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR235383  Festuca occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18945 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  SACT001180  Festuca pratensis D. Meyer 1984-6-10 Placer 606.0 Comment
  SACT001193  Festuca rubra D. Meyer 1983-8-7 Placer 4.6 miles south of county line. Roadside. 1758.0 Comment
  SACT001198  Festuca subulata D. Meyer 1984-6-10 Placer 436.0 Comment
  UCR194963  Filago gallica George K. Helmkamp, E. A. Helmkamp 2007-5-18 12026 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  SD81185  Frangula californica subsp. tomentella D. F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  UCR235390  Fritillaria atropurpurea George K. Helmkamp, E. A. Helmkamp 2012-5-11 18952 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  RSA0039077  Galium aparine George K. Helmkamp, Mary Alice Barnes 2013-5-3 20466 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCD15080  Galium aparine Alan B. Chan 1977-5-28 31 Placer California, Placer Co.; 20 miles northeast of the Auburn Forest Hill Bridge along Auburn Forest Hill Road, 0.25 miles going south on Auburn Forest Hill Road towards Michigan Bluff; Comment
  UCR250629  Galium aparine George K. Helmkamp, Mary Alice Barnes 2013-5-3 20466 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SD81249  Galium bolanderi Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  SDSU9323  Galium bolanderi D. F. Howe 1971-6-29 4748 Placer 1.4 miles E of Forest Hill. 1097 Comment
  UCR231820  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-8-11 16766 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  SACT001233  Gastridium ventricosum D. Meyer 1984-6-10 Placer 436.0 Comment
  SACT001236  Gastridium ventricosum Michael Baad 1977-6-8 Placer 3.7 miles east of canyon on Forest Hill to French Meadows Road. Slate outcrop. Comment
  UCR194932  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2007-5-18 12015 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR250166  Gilia capitata subsp. mediomontana George K. Helmkamp, Mary Alice Barnes 2013-5-3 20482 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCD132554  Grindelia camporum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11209 Placer Northern Sierra Nevada Mountain. Along Forest Hill Road, 1.0 mile north of Forest Hill. 1037 Comment
  UCR176264  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2006-8-11 11209 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 1.0 mile north of Forest Hill 1037 Comment
  UCR194936  Hesperolinon californicum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12017 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SEINET4691682  Hesperolinon micranthum George K. Helmkamp, E. A. Helmkamp 2010-1 16760 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek. 1082 Comment
  UCR231859  Hesperolinon micranthum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16760 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCR200877  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2008-9-15 14094 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UC639132  Heterotheca grandiflora Marian M. Enzler 1939-9-26 1 El Dorado junction of North and Middle Forks of American River (Placer-El Dorado County line); North and Middle Forks of American River 243 Comment
  CDA11996  Heuchera micrantha G. F. Hrusa 1995-5-2 12177 Placer Sierra Nevada; Above North Fork of Middle Fork of the American River, approx. 3 km. east of Mosquito Ridge Rd. crossing . Comment
  UCD105891  Hoita orbicularis Richard F. Davis 1953-8-1 s.n. Placer From a meadow near Forest Hills. Comment
  CAS-BOT-BC289223  Holcus lanatus Lillian S. Mott 1966-6-5 6646 Nevada Mayflower Mine NID ditch, water source Little Deer Cr. 731 Comment
  SACT001283  Holcus lanatus Michael Baad 1977-6-21 Placer Road of Weimar 685.0 Comment
  SACT001340  Hordeum geniculatum D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001373  Hordeum leporinum D. Meyer 1984-6-10 Placer 606.0 Comment
  SACT001376  Hordeum leporinum D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT001378  Hordeum leporinum D. Meyer 1983-7-3 Placer 1152.0 Comment
  SD81224  Horkelia tridentata Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  SEINET9349643  Horkelia tridentata Unknown 2009-5-11 14651 Placer Sierra Nevada Mountains Foothills Comment
  UCR208588  Horkelia tridentata subsp. flavescens George K. Helmkamp, E. A. Helmkamp 2009-5-11 14651 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  SD81186  Hypericum perforatum Darley F. Howe 1971-6-24 Placer 1.4 miles east of Forest Hill. 1096 Comment
  CAS-BOT-BC438826  Hypochaeris glabra George K. Helmkamp; Mary Alice Barnes 2013-5-3 20464 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  RSA0035674  Hypochaeris glabra George K. Helmkamp, Mary Alice Barnes 2013-5-3 20464 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCR250630  Hypochaeris glabra George K. Helmkamp, Mary Alice Barnes 2013-5-3 20464 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SEINET9355646  Iris hartwegii Unknown 2009-5-11 14653 Placer Sierra Nevada Mountains Foothills Comment
  UCD138732  Iris hartwegii subsp. hartwegii Eric Brenner; John Hunter 1996-5-26 009 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD138733  Iris hartwegii subsp. hartwegii G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12046 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCD138734  Iris hartwegii subsp. hartwegii K. O'Keefe 1995-6-4 s.n. Placer along Forest Hill Road, about 4 miles east of Forest Hill (town). Western Sierra foothills. 900 Comment
  UCR137663  Iris hartwegii subsp. hartwegii E. Brenner, J. Hunter 1996-5-26 008 Placer Sierra Nevada Mountains, Tahoe National Forest, along Forest Hill Road at Mosquito Ridge at Volcano Canyon 1870 Comment
  UCR191055  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12046 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  UCR194941  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-18 12010 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR208586  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2009-5-11 14653 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  SEINET11261858  Iris hartwegii subsp. pinetorum George Helmkamp, E. A. Helmkamp 2012-5-11 18942 Placer Foothills, Northern Sierra Nevada Mountains: Finning Mill Road, at the junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1136 Comment
  UCR235503  Iris hartwegii subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2012-5-11 18942 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  UC9316  Isopyrum occidentale H. N. Bolander 1865-4-12 4553 Placer near Forest Hill; near Forest Hill Comment
  JEPS120278  Juncus acuminatus Barbara Ertter with R. K. Brummitt, K. VanZuuk, S. Namoff 2012-6-12 21029 Placer Placer NF Road 3004-6 several miles south of Michigan Bluff Road, 3--4 airmiles ENE of Foresthill Comment
  UCR190586  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12957 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCD124128  Juncus ensifolius Ellen Dean; Marcel Rejmanek 2012-10-9 7502 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD141463  Juncus exiguus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12957 Placer Northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  CAS-BOT-BC235567  Keckiella breviflora L. S. Smith 1926-5-23 1830 Placer Tahoe National Forest, American River slopes, below Forest Hill 548 Comment
  CAS-BOT-BC236793  Keckiella breviflora Elizabeth McClintock 1969-6-1 s.n. El Dorado Canyon of Rubicon River near Volcanoville 579 Comment
  RSA782546  Kelloggia galioides George K. Helmkamp, Amy Barnes 2009-7-12 15173 Placer along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  SD237601  Kelloggia galioides G. K Helmkamp, Amy Barnes 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill (Michigan Bluff 7.5'Q) 1230 Comment
  SEINET9316294  Kelloggia galioides Unknown 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills Comment
  UCR215979  Kelloggia galioides George K. Helmkamp, Amy Barnes 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  CHSC12192  Kumlienia hystricula Lowell Ahart 1973-3-29 Placer Near Forest Hill. 472 Comment
  UCR190147  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2007-9-14 12951 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  SEINET11261857  Lathyrus nevadensis subsp. nevadensis George Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1041 Comment
  UCR235392  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  SD241007  Lathyrus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road. 1041 Comment
  UC15341  Lathyrus nevadensis var. nevadensis H. N. Bolander 1865-4-15 4629 Placer Forest Hills Comment
  UC15345  Lathyrus nevadensis var. nevadensis State Survey 1865-4-13 4629 Placer Forest Hill Comment
  CAS-BOT-BC175712  Lathyrus sulphureus G. K. Helmkamp; E. A. Helmkamp 2007-5-18 12004 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CDA12008  Lathyrus sulphureus G. F. Hrusa 1995-5-2 12189 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  SDSU4207  Lathyrus sulphureus D. R. Harvey 1960-5-29 Placer Near Forest Hull. Comment
  SEINET6658657  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12004 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 2.8 miles southeast of Foresthill (Foresthill 7.5' Q.).; 0 814 Comment
  UCR194939  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12004 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR231849  Lepidium latifolium George K. Helmkamp, E. A. Helmkamp 2010-8-11 16754 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  UC1999791  Lessingia leptoclada H. E. M. Dobson 1977-10-23 285 Placer Near Forest hill Comment
  UCR215902  Lilium humboldtii subsp. humboldtii George K. Helmkamp, Amy Barnes 2009-7-12 15171 Placer Sierra Nevada Mountains Foothills, along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  SACT001440  Lolium multiflorum D. Meyer 1983-6-5 Placer along roadside. 487.68 Comment
  UCR194931  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12012 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR231874  Lonicera hispidula var. vacillans George K. Helmkamp, E. A. Helmkamp 2010-10-16 17021 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UC15545  Lotus aboriginus H. N. Bolander Apr 1865 4617 Placer Forest Hill Comment
  CDA11997  Lotus humistratus G. F. Hrusa 1995-5-2 12178 Placer Sierra Nevada; Approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  UCR194938  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12014 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR250593  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20467 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SEINET11265986  Lotus purshianus var. purshianus George Helmkamp, E. A. Helmkamp 2010-10-16 17016 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 0.5 miles north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd (Foresthill 7.5' Q.); 0 948 Comment
  UCR194949  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12023 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCR231883  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17016 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UCR194960  Lupinus adsurgens George K. Helmkamp, E. A. Helmkamp 2007-5-18 12008 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CAS-BOT-BC434224  Lupinus albicaulis George K. Helmkamp; Mary Alice Barnes 2013-5-3 20460 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  UCR250177  Lupinus albicaulis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20460 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  OBI82142  Lupinus albifrons var. collinus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20486 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill. 829 Comment
  UCR208573  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14607 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UCR250071  Lupinus albifrons var. collinus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20486 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  CDA12003  Lupinus benthamii G. F. Hrusa 1995-5-2 12184 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  CAS-BOT-BC438828  Lupinus nanus George K. Helmkamp; Mary Alice Barnes 2013-5-3 20471 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  CDA12006  Lupinus nanus G. F. Hrusa 1995-5-2 12187 Placer Sierra Nevada; along side of Mosquito Ridge Rd. approx. 3 km. E of Foresthill. Comment
  RSA0038508  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20471 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  RSA790862  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Finning Mill Road at the junction with Forest Hill Road. 1144 Comment
  SD260247  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20484 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 miles east (92a^z) of Foresthill (Forest Hill 7.5'Q) 829 Comment
  SEINET3271551 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14603 Placer Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  SEINET3815513 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Foothills, northern Sierra Nevada Mountains: Finning Mill Road at the junction with Forest Hill Road 346 Comment
  SEINET3828385  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-1 18940 Placer Foothills northern Sierra Nevada Mountians: Finnin Mill Road at the junction with Forest Hill Road (Foresthill 7.5') 1135 Comment
  UCR208567  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14603 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UCR235395  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  UCR250065  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20471 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCR250172  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20484 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  SEINET12902685 Image available Lupinus silvicola A. A. Heller 1909-1 9857 Placer Summit 2134 Comment
  CDA12002  Lupinus stiversii G. F. Hrusa 1995-5-2 12183 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  UCD144415  Lupinus stiversii G. F. Hrusa 1995-5-20 12183 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  UCD144418  Lupinus stiversii G. F. Hrusa 1995-5-20 12183 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  UCR235387  Luzula comosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18949 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  CHSC9127  Luzula comosa var. subsessilis J. L. Wilson 1970-3-25 220 Placer U.S. Forest Station, Foresthill, Tahoe National Forest. In a lawn area in front of the office, Box 277. 984 Comment
  OBI82262  Madia elegans George K Helmkampf, Mary Alice Barnes 2013-5-3 20489 Placer Northern Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR250353  Madia elegans George K. Helmkamp, Mary Alice Barnes 2013-5-3 20489 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR194935  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12018 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  CAS-BOT-BC344331  Madia exigua Elizabeth McClintock 1969-6-1 s.n. El Dorado Canyon of Rubicon River near Volcanoville 579 Comment
  UCR194961  Madia exigua George K. Helmkamp, E. A. Helmkamp 2007-5-18 12007 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CAS-BOT-BC434231  Madia gracilis George K. Helmkamp; E. A. Helmkamp 2012-6-19 19219 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  SD81181  Madia gracilis Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill. 1095 Comment
  UCD134280  Madia gracilis Eric Brenner; John Hunter 1996-5-26 2 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCR233240  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-7-9 17692 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  UCR241744  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19219 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  CAS-BOT-BC345247  Madia subspicata Eric Brenner; John Hunter 1996-5-26 002 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon 1870 Comment
  CAS-BOT-BC438827  Marrubium vulgare George K. Helmkamp; Mary Alice Barnes 2013-5-3 20470 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  RSA0038509  Marrubium vulgare George K. Helmkamp, Mary Alice Barnes 2013-5-3 20470 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCR250066  Marrubium vulgare George K. Helmkamp, Mary Alice Barnes 2013-5-3 20470 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SEINET11601814 Image available Matricaria discoidea R. Elliott, H. N. Mozingo 1979-3-31 s.n. Placer 518 Comment
  SEINET4560777  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 2012-1 19217 Placer Northern Sierra Nevada Mountains; Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  UCR241260  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 2012-6-19 19217 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UCD14576  Melica aristata Dale Christensen 1983-6-14 s.n. Placer California, Placer Co.; Foresthill. Comment
  SACT001513  Melica harfordii Michael Baad 1977-6-2 Placer 0.8 mile south of Wiemar, east-facing cliff streamside habitat. 606.0 Comment
  SACT001558  Melica torreyana D. Meyer 1984-6-10 Placer 3.2 km southwest of Colfax, steep shady cliff along slowly moving stream 606.0 Comment
  UCD122182  Mimulus aurantiacus Eric Brenner; John Hunter 1996-5-26 7 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD144313  Mimulus aurantiacus G. F. Hrusa 1995-5-20 12185 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  UCR194952  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12025 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCR208568  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14602 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  JEPS4595  Mimulus aurantiacus var. grandiflorus Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, J. Hunziker, D. Zohary, H. Stutz, F. Ehrendorfer 1952-7-20 3893 Placer about 2 mi below and e Forest Hills (along n side of canyon); Canyon of Middle Fork of American River, Volcano Canyon 762 Comment
  UCR250171  Mimulus aurantiacus var. grandiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20477 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  CDA12004  Mimulus bifidus subsp. bifidus G. F. Hrusa 1995-5-2 12185 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  UCR190712  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCD122674  Mimulus nasutus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD139283  Muilla maritima G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12048 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCR191056  Muilla maritima George K. Helmkamp, E. A. Helmkamp 2007-5-23 12048 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  CDA11993  Nemophila heterophylla G. F. Hrusa 1995-5-2 12174 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCR208592  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2009-5-11 14661 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  UCD110219  Notholithocarpus densiflorus var. echinoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-6 s.n. Placer Michigan Bluff-Forest Hill. Michigan Bluff Road. 1070 Comment
  UCR231857  Notholithocarpus densiflorus var. echinoides George K. Helmkamp, E. A. Helmkamp 2010-8-11 16762 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCD124132  Oenothera elata subsp. hirsutissima Ellen Dean; Marcel Rejmanek 2012-10-9 7506 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCR200878  Oenothera elata subsp. hirsutissima George K. Helmkamp, E. A. Helmkamp 2008-9-15 14096 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  RSA790860  Osmorhiza George K. Helmkamp, E. Helmkamp 2012-5-11 18947 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  UCR235385  Osmorhiza George K. Helmkamp, E. A. Helmkamp 2012-5-11 18947 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  UCD127774  Osmorhiza berteroi G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12049 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCR191057  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2007-5-23 12049 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  UCD124126  Panicum acuminatum var. fasciculatum Ellen Dean; Marcel Rejmanek 2012-10-9 7500 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  SACT001644  Panicum pacificum Michael Baad 1983-6-27 Placer 4 miles east southeast of Forest Hill 365.0 Comment
  CDA11927  Pedicularis semibarbata G. F. Hrusa, J. Dinsdale 1989-5-2 7064 Placer Sierra Nevada; Mosquito Ridge Rd, at intersection of spur to Placer Redwood Grove. Comment
  UCR194959  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12011 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR233280  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17683 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road at Foresthill 883 Comment
  SD241190  Penstemon azureus var. angustissimus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17683 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road (Foresthill 7.5'Q) 883 Comment
  UCD137789  Pentagramma triangularis subsp. triangularis Eric Brenner; John Hunter 1996-5-26 5 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  OBI82266  Phacelia heterophylla subsp. virgata George K. Helmkamp, Mary Alice Barnes 2013-5-3 20487 Placer Northern Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR250070  Phacelia heterophylla subsp. virgata George K. Helmkamp, Mary Alice Barnes 2013-5-3 20487 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR194933  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12020 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  CDA11925  Philadelphus lewisii G. F. Hrusa, J. Dinsdale 1989-5-2 7068 Placer Sierra Nevada; Mosquito Ridge Rd, about 15 miles below Placer Redwood Grove. Comment
  CDA12295  Phlox gracilis G. F. Hrusa 1989-5-2 7066 Placer Sierra Nevada; Mosquito Ridge Road about 15 km. beyond crossing of North Fork of Middle Fork of the American River. Comment
  GH354287  Pinus ponderosa G. E. Sindel 1955-9-25 Unknown Forest Hill, ca. 50 feet west of northern edged of Forest Hill Ranger Station, Tahoe Nat'l For. T14N, R10E, Sec. 35, MDM. IFG plot 68 Comment
  UC1819257  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  UC1819258  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  UC1819259  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  GH311677  Pinus sabiniana D. H. Goldman 2004-12-14 3010 Unknown Along Mosquito Ridge Road, 1.7 mi E. of the intersection of Road 96 and Forest Hill Road in Forest Hill. Placer Co. 877 Comment
  GH357202  Pinus sabiniana D. H. Goldman 2004-12-14 3010 Unknown Along Mosquito Ridge Road, 1.7 mi E. of the intersection of Road 96 and Forest Hill Road in Forest Hill. Placer Co. 877 Comment
  RSA758238  Pinus sabiniana Doug Goldman 2004-12-24 3010 Placer Along Mosquito Ridge Road, 1.7 miles east of the intersection of Road 96 and Forest Hill Road in Forest Hill. 878 Comment
  UCR215977  Piperia transversa George K. Helmkamp, Amy Barnes 2009-7-12 15175 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  SACT001783  Poa annua D. Meyer 1984-6-10 Placer 436.0 Comment
  OBI82260  Poa bulbosa George K Helmkampf, Mary Alice Barnes 2013-5-3 20491 Placer Northern Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR208591  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14662 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  UCR250355  Poa bulbosa George K. Helmkamp, Mary Alice Barnes 2013-5-3 20491 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  SACT001879  Poa nevadensis D. Meyer 1983-8-7 Placer Southeast of county line on roadside. 1758.0 Comment
  SACT001880  Poa nevadensis D. Meyer 1984-6-10 Placer 3.2 km south of Colfax steep shady cliff above stream. 606.0 Comment
  SACT001892  Poa palustris D. Meyer 1984-7-21 Placer 7.52 km southeast of Placer County line moist shaded stream area. 9 mfrom roadway. 1758.0 Comment
  SACT001893  Poa palustris D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line, roadside. 1758.0 Comment
  SACT001894  Poa palustris D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line. Roadside. 1758.0 Comment
  SACT001896  Poa palustris D. Meyer 1983-8-7 Placer 8.5 km south of placer county line. Moist wooded area at Louisiana Pacific Private Forest enterance. 1758.0 Comment
  SACT001913  Poa pratensis D. Meyer 1983-8-7 Placer 8.5 km south of Placer County line moist shady area Louisiana Pacific Private Forest enterance. 1758.0 Comment
  SACT001916  Poa pratensis D. Meyer 1983-8-7 Placer 24.5 km south of Placer County line moist shady area Louisiana Pacific Private Forest enterance. 1758.0 Comment
  SACT001943  Poa pratensis D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line, roadside wash. 1758.0 Comment
  SACT002016  Poa trivialis D. Meyer 1984-6-10 Placer 3.26 km southwest of Colfax, steep shady cliff along slow moving stream. 606.0 Comment
  SACT002017  Poa trivialis Michael Baad 1977-6-21 Placer Junction of Foresthill to Colfax road at Weimar 977.3 Comment
  SEINET4691427  Polygala cornuta George K. Helmkamp, E. A. Helmkamp 2012-1 19216 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  CAS-BOT-BC167566  Polygala cornuta var. cornuta Elizabeth McClintock 1969-6-1 s.n. El Dorado Canyon of Rubicon River near Volcanoville 579 Comment
  CAS-BOT-BC167811  Polygala cornuta var. cornuta Lillian S. Mott 1963-7-31 963 Nevada Mayflower Mine, 0.5 mile from N.C. off Canada Hill Road 731 Comment
  CAS-BOT-BC300503  Polygala cornuta var. cornuta George K. Helmkamp; E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  SD244200  Polygala cornuta var. cornuta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountain Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill (Westville 7.5'Q) 1052 Comment
  UCR240903  Polygala cornuta var. cornuta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UCR231848  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2010-8-11 16755 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  UCR231875  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2010-10-16 17020 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  SACT001571  Polypogon australis D. Meyer 1984-6-10 Placer 436.0 Comment
  CDA11990  Potentilla glandulosa subsp. glandulosa G. F. Hrusa 1995-5-2 12171 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCR194962  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12005 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SBBG123118  Poteridium annuum G. K. Helmkamp with E. A. Helmkamp 2007-9-14 12959 Placer Mosquito Ridge Rd 0.4 mi E of Foresthill 942 Comment
Read comments
Mar 30 2014
  CHSC118021  Poterium sanguisorba G. K Helmkamp; E. A Helmkamp 2007-9-14 12959 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  UCD113979  Poterium sanguisorba G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12959 Placer Northern Sierra Nevada Mountains: Along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  CAS-BOT-BC520326  Poterium sanguisorba var. sanguisorba George K. Helmkamp; E. A. Helmkamp 2012-6-19 19214 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Rd, 2.6 mi E of its jct with Mosquito Ridge Rd in Forest Hill 1051 Comment
  CAS-BOT-BC248284  Prunella vulgaris var. lanceolata George K. Helmkamp; E. A. Helmkamp 2010-8-11 16763 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCR231856  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-8-11 16763 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCD124131  Pseudognaphalium beneolens Ellen Dean; Marcel Rejmanek 2012-10-9 7505 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  CHSC43333  Pseudotsuga menziesii var. menziesii Lowell Ahart 1973-3-29 189 Placer Near Volcano Canyon, east of Foresthill. 1371 Comment
  UCR231876  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-10-16 17019 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  SACT002618  Quercus chrysolepis Michael Baad 1976-6-4 Placer 3.7 miles east of Forest Hill on road to French Meadows. Serpentine outcrop north side of road. Comment
  UCD45386  Quercus chrysolepis Eric Brenner; John Hunter 1996-5-26 006 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. Elev. 1870 m. 1870 Comment
  UCR190666  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2007-9-14 12962 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  CDA12007  Quercus durata G. F. Hrusa 1995-5-2 12188 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  GH344819  Quercus durata D. H. Goldman 2004-12-24 3009 Unknown Along Mosquito Ridge Road, 1.7 mi E. of the intersection of Road 96 and Forest Hill Road in Forest Hill 877 Comment
  UCD124134  Quercus durata Ellen Dean; Marcel Rejmanek 2012-10-9 7508 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  UCD124135  Quercus durata Ellen Dean; Marcel Rejmanek 2012-10-9 7509 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  UCD124136  Quercus durata Ellen Dean; Marcel Rejmanek 2012-10-9 7510 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  UCD45933  Quercus durata G. F. Hrusa 1995-5-20 12188 Placer Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. 39 deg. 01' N, 120 deg. 50' W. Placer County 600 m. 600 Comment
  SACT002144  Quercus kelloggii 1980-3-12 Placer collected about 1/3 way down to the river, wooded slope 335.4 Comment
  UC9442  Ranunculus hebecarpus H. N. Bolander 1865-4-16 4575 Placer Forest Hill Comment
  GH68776  Ranunculus hystriculus H. N. Bolander 1865-04-01 - 1865-05-01 4630 Unknown Forest Hill [protologue: Foothills of the Sierra Nevada, at Forest Hill and at New Castle, Placer Co.] Comment
  SD239890  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18956 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road 1.7 miles north of its junction with Forest Hill Road (Foresthill 7.5'Q) 1041 Comment
  UCR235423  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18956 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  UCR200856  Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2008-9-15 14099 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UCR233239  Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2011-7-9 17693 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  GH363095  Rhododendron occidentale M. E. P. Ames 1893-05-01 - 1893-06-01 Unknown Forest Hill Comment
  OBI82257  Robinia pseudoacacia George K. Helmkamp, Mary Alice Barnes 2013-5-3 20490 Placer Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCD108416  Robinia pseudoacacia G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12958 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR190587  Robinia pseudoacacia George K. Helmkamp, E. A. Helmkamp 2007-9-14 12958 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR250068  Robinia pseudoacacia George K. Helmkamp, Mary Alice Barnes 2013-5-3 20490 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  CAS-BOT-BC146432  Rosa bridgesii G. K. Helmkamp; Amy Barnes 2009-7-12 15176 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UCD113386  Rosa bridgesii G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12052 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCD113389  Rosa bridgesii K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles east of Forest Hill (town). 900 Comment
  UCR191060  Rosa bridgesii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12052 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  UCR215976  Rosa bridgesii George K. Helmkamp, Amy Barnes 2009-7-12 15176 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  CAS-BOT-BC147110  Rubus glaucifolius G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12053 Placer Northern Sierra Nevada Mountains Foothills: along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  UCD113781  Rubus glaucifolius G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12053 Placer Northern Sierra Nevada Mountains Foothills; along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCR191061  Rubus glaucifolius George K. Helmkamp, E. A. Helmkamp 2007-5-23 12053 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  CAS-BOT-BC248300  Rubus laciniatus George K. Helmkamp; E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  SD243197  Rubus laciniatus George K. Helmkamp, E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  UCR231851  Rubus laciniatus George K. Helmkamp, E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  RSA0035673  Rumex acetosella George K. Helmkamp, Mary Alice Barnes 2013-5-3 20465 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCR250628  Rumex acetosella George K. Helmkamp, Mary Alice Barnes 2013-5-3 20465 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCD124130  Salix lasiolepis Ellen Dean; Marcel Rejmanek 2012-10-9 7504 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  RSA0093628  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2012-6-19 19214 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  RSA750890  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2007-9-14 12959 Placer along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  SD235013  Sanguisorba minor subsp. muricata G. K. Helmkamp, E. A Helmkamp 2007-9-14 12959 Placer Northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill (Foresthill 7.5' Q) 942 Comment
  SD243198  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17017 Placer Northern Sierra Nevada Mountains Foothill: Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 947 Comment
  SD243199  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-8-11 16753 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  SEINET4560808  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-1 17017 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 0.5 miles north of Forest Hill Road in Foresthill, near intersection with Mayflower rd. 948 Comment
  SEINET4691686  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-1 16753 Placer Northern Sierra Nevada Mountains: Finning Mill road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  UCR190585  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2007-9-14 12959 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR194937  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2007-5-18 12016 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR231850  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-8-11 16753 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  UCR231868  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17017 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UCR240901  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2012-6-19 19214 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UCR215978  Sanguisorba officinalis George K. Helmkamp, Amy Barnes 2009-7-12 15174 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  CDA12010  Sanicula bipinnatifida G. F. Hrusa 1995-5-2 12191 Placer Sierra Nevada; approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  UCR250178  Sanicula crassicaulis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20469 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SDSU2326  Scandix pecten-veneris D. R. Harvey 1960-5-29 Placer Near Forest Hill. Comment
Read comments
Jun 16 2009
  UC25825  Scutellaria tuberosa H. N. Bolander 1865-4-16 4576 Placer Forest Hill Comment
  CAS-BOT-BC59085  Sedum spathulifolium Elizabeth McClintock 1969-6-1 s.n. El Dorado Canyon of Rubicon River near Volcanoville. 579 Comment
  CAS-BOT-BC226818  Senecio aronicoides George K. Helmkamp; E. A. Helmkamp 2012-5-11 18944 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  UCR235382  Senecio aronicoides George K. Helmkamp, E. A. Helmkamp 2012-5-11 18944 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  CAS-BOT-BC438825  Sidalcea asprella subsp. asprella George K. Helmkamp; Mary Alice Barnes 2013-5-3 20463 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  UCR233237  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2011-7-9 17695 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  UCR250174  Sidalcea malviflora subsp. asprella George K. Helmkamp, Mary Alice Barnes 2013-5-3 20463 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  CDA11994  Silene californica G. F. Hrusa 1995-5-2 12175 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCR231854  Silene californica George K. Helmkamp, E. A. Helmkamp 2010-8-11 16765 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  CAS-BOT-BC249049  Silene laciniata subsp. californica George K. Helmkamp; E. A. Helmkamp 2010-8-11 16765 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  CDA11926  Silene lemmonii G. F. Hrusa, J. Dinsdale 1989-5-2 7065 Placer Sierra Nevada; Mosquito Ridge Rd, about 15 miles below Placer Redwood Grove. Comment
  CAS-BOT-BC438824  Silene vulgaris George K. Helmkamp; Mary Alice Barnes 2013-5-3 20462 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  SD247392  Silene vulgaris George K. Helmkamp, Mary Alice Barnes 2013-5-3 20462 Placer Foothills, northern Sierra Nevada Mountains: southwest edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest hill Road. 974 Comment
  UCD99126  Silene vulgaris G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12953 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR190136  Silene vulgaris George K. Helmkamp, E. A. Helmkamp 2007-9-14 12953 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR250175  Silene vulgaris George K. Helmkamp, Mary Alice Barnes 2013-5-3 20462 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SACT002218  Sitanion hystrix D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT002219  Sitanion hystrix D. Meyer 1983-8-7 Placer Moist shady area, Louisiana Pacific Private Forest enterance. 2000.0 Comment
  SACT002258  Sitanion jubatum Michael Baad 1977-6-8 Placer 1.3 miles southwest of Volcano Canyon on road between Forest Hill and French Meadows, roadside in serpentine. Comment
  SACT002259  Sitanion jubatum Michael Baad 1977-6-8 Placer 1.3 miles southwest of Volcano Canyon on road between Forest Hill and French Meadows, roadside in serpentine. Comment
  UCR231860  Stachys ajugoides var. rigida George K. Helmkamp, E. A. Helmkamp 2010-8-11 16759 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  SEINET9339966  Stachys rigida var. rigida Unknown 2010-8-11 16759 Placer Northern Sierra Nevada Mountains Comment
  RSA790858  Stipa lettermanii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18959 Placer Finning Mill Road, 4 mi north of Forest Hill Road and at the junction with Hollow Logging Road. 1140 Comment
  SEINET3815515 Image available Stipa lettermanii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18959 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 4.0 miles N of Forest Hill Road 1140 Comment
  UCR235377  Stipa lettermanii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18959 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  CAS-BOT-BC87558  Streptanthus tortuosus Elizabeth McClintock 1969-6-1 s.n. El Dorado Canyon of Rubicon River near Volcanoville. 579 Comment
  CDA11986  Streptanthus tortuosus G. F. Hrusa 1995-5-2 12167 Placer Sierra Nevada; Approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CDA11987  Streptanthus tortuosus G. F. Hrusa 1995-5-2 12168 Placer Sierra Nevada; Approx. 4 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CDA12296  Streptanthus tortuosus G. F. Hrusa 1989-5-2 7063 Placer Sierra Nevada; approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  OBI70540  Streptanthus tortuosus G. F. Hrusa 1995-5-20 12168 Placer Approx 4 km beyond Mosquito Ridge Rd crossing of North Fork of middle Fork of the American river 650 Comment
  CDA11991  Styrax officinalis var. redivivus G. F. Hrusa 1995-5-2 12172 Placer Sierra Nevada; below Mosquito Ridge Rd. approx. 1 km. east of crossing of North Fork of Middle Fork of the American River. Comment
  JEPS81209  Styrax officinalis var. redivivus Douglas W. James Jr. 1973-5-27 119 Placer off Mosquito Ridge Road about 2 mi from Forest Hill 853 Comment
  UC877966  Styrax officinalis var. redivivus Mary Elizabeth Jump 1939-5-15 Placer road to Foresthill; road to Foresthill Comment
  UCR115100  Styrax officinalis var. redivivus G. Fred Hrusa 1995-5-20 12172 Placer Below Mosquito Ridge Road c. 1 km east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. 500 Comment
  UCR208574  Styrax officinalis var. redivivus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14606 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  A384854  Styrax redivivus M. E. Jump 1939-5-15 Unknown Road to Foresthill Comment
  RSA654887  Styrax redivivus G. Fred Hrusa 1995-5-20 12172 Placer below Mosquito Ridge Road, approximately 1 km east of crossing of North Fork of Middle Fork of the American River. 500 Comment
  UCD119094  Styrax redivivus Eric Brenner; John Hunter 1996-5-26 003 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD19281  Styrax redivivus Renee Shahrok 1986-6-25 3 Placer 4.2 mi. east of Forest Hill Rd junction, Mosquito Ridge Rd. 731 Comment
  CAS-BOT-BC269542  Symphoricarpos albus var. laevigatus Lillian S. Mott 1967-7-9 6770 Nevada Removed from ditch at Mayflower Mine and now growing in my [Lillian S. Mott's] yard 731 Comment
  GH355466  Taxus brevifolia H. N. Bolander 1865-1-1 4554 Unknown Forest Hill, Placer Co. Comment
  UC9  Taxus brevifolia H. N. Bolander 1865-4-13 4554 Placer Forest Hills Comment
  OBI82263  Torilis arvensis George K Helmkampf, Mary Alice Barnes 2013-5-3 20492 Placer Northern Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR250354  Torilis arvensis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20492 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  JEPS5225  Torreya californica Rimo Bacigalupi 1952-7-20 3894 Placer off the Mosquito Ridge Road about 4 1/2 mi due e Foresthill (in canyon of Mad Creek, tributary (on n side of canyon) of the Middle Fork of the American River); Middle Fork of the American River, canyon of Mad Creek 670 Comment
  UCD133442  Torreya californica Eric Brenner; John Hunter 1996-5-26 4 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD69337  Torreya californica Collector unknown 1997-9-5 Placer Between Forest Hill and Michigan Bluff. Michigan Bluff Road. Tahoe National Forest. Shady Douglas fir forests (Pseudotsuga menziesii) at Volcano Canyon. 1060 Comment
  UCD117569  Trientalis latifolia Eric Brenner; John Hunter 1996-5-26 001 Placer Tahoe National Forest, along Forest Hill Road at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCR235378  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2012-5-11 18960 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  CAS-BOT-BC227704  Trifolium ciliolatum G. K. Helmkamp; E. A. Helmkamp 2007-5-18 12019 Placer Northern Sierra Nevada Mountains Foothills: along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCR194934  Trifolium ciliolatum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12019 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  CAS-BOT-BC444014  Trifolium dubium George K. Helmkamp; Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 293 Comment
  OBI82141  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20488 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  RSA0042823  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SD248417  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 961 Comment
  SEINET7865170 Image available Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains; Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCR250069  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20488 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR250636  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  CAS-BOT-BC438829  Trifolium hirtum George K. Helmkamp; Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  SD248419  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 961 Comment
  UCR250064  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  CDA11998  Trifolium microcephalum G. F. Hrusa 1995-5-2 12179 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  UCR194964  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12027 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCR208575  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14605 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UCR235393  Trifolium willdenovii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18939 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  UCD14650  Triteleia ixioides Deanna Lynn Pfleger 1989-5-20 1 Placer 20 miles out of the town of Auburn, along Foresthill Road; 1036 Comment
  UCR250176  Vicia sativa subsp. nigra George K. Helmkamp, Mary Alice Barnes 2013-5-3 20461 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCD110908  Viola lobata G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12050 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 2.3 miles NE of Foresthill. Comment
  UCD111045  Viola lobata K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles E of Forest Hill (town). Western Sierra foothills. 900 Comment
  UCR208608  Viola lobata George K. Helmkamp, E. A. Helmkamp 2009-5-11 14650 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  UCR191058  Viola lobata var. lobata George K. Helmkamp, E. A. Helmkamp 2007-5-23 12050 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  UCR235389  Viola purpurea subsp. purpurea George K. Helmkamp, E. A. Helmkamp 2012-5-11 18951 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  SD239954  Viola sheltonii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18957 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 4.0 miles north of Forest Hill Road and the junction with Hollow Logging Road. 1139 Comment
  UCR235388  Viola sheltonii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18950 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  UCR235424  Viola sheltonii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18957 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  CAS-BOT-BC199957  Vulpia microstachys var. ciliata L. S. Smith 1925-6-3 1616 Placer Tahoe National Forest. Below Yankee Jim. Forest Hill D. 746 Comment
  SACT002579  Vulpia myuros var. hirsuta D. Meyer 1983-6-5 Placer 982.98 Comment



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