39.01111 39.11111 -120.99278 -120.89278 UC/JEPS: Consortium Search Results
Search Results — 651 specimen records retrieved (651 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/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1071636  Acer macrophyllum J. E. Sowder, R. W. Lundh 1933-4-19 49 Placer Colfax Hill Colfax Quad., Colfax Hill Comment
  UCD164635  Acer macrophyllum Brandi Sorensen 1995-6-1 11 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC28720  Achillea millefolium Alice Eastwood 1912-6-20 621 Nevada Colfax Comment
  CAS-BOT-BC204856  Acmispon argophyllus var. fremontii Marcus E. Jones 1882-7-3 3338 Placer Colfax Comment
  UCD103988  Acmispon argophyllus var. fremontii Beecher Crampton 1955-6-15 2887 Placer Bunch Canyon near its base, 4.5 miles south of U.S. Highway 40, near its base, Forest Hill Road. Comment
  SEINET7249050  Acmispon brachycarpus G. K. Helmkamp, Mary Alice Barnes 2013-1 20345 Placer Northern Serrra Nevada Mountains Foothills; Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167? deg. ) of Colfax 561 Comment
  UCD41255  Acmispon brachycarpus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1712 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  UCD41258  Acmispon parviflorus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1715 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  SEINET3860417 Image available Adiantum jordanii George K. Helmkamp, Mary Alice Barnes; Mary Jane Ganibe 2010-7-2 16437 Placer Sierra Nevada Mountains Foothills: Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way Colfax.; 0 415 Comment
  UCR218241  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16437 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  UCR218244  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16429 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  SACT000030  Aegilops triuncialis D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  SACT000036  Aegilops triuncialis H. Stinnett, Ron Pelzman 1963-5-26 Placer 762.0 Comment
  POM85633  Aesculus californica I. E. Diehl 1902-7-7 42 Placer Colfax. Comment
  UCR218227  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2010-6-26 16410 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  CAS-BOT-BC29650  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-6-20 499 Nevada Colfax Comment
  UCD41262  Agoseris heterophylla Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1719 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UC1563961  Agoseris heterophylla var. cryptopleura Barbara Ertter with David Thompson 1989-4-8 8154 Placer near entrance, ca 2 mi from I80 (at creek crossing) Auburn State Recreation Area; Iowa Creek Road 518 Comment
  UC194732  Agoseris heterophylla var. cryptopleura C. F. Sonne 1891-5-17 Placer Colfax Comment
  RSA453071  Agrimonia gryposepala Wm. Martin 1971-9-10 20229 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  UCD51686  Agropyron desertorum Beecher Crampton 1974-10-24 9096 Placer 1 mile west of Colfax. 762 Comment
  SACT000047  Agropyron intermedium var. intermedium D. Meyer 1984-6-10 Placer at Bear River Campground 582.0 Comment
  UCD52123  Agrostis exarata Beecher Crampton 1955-6-15 2886 Placer Bunch Canyon, Forest Hill Road, 3 miles south of US Hwy 40. Comment
  UCD36658  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Placer County, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  UCR146665  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Sierra Nevada Mountains, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road 427 Comment
  SEINET2473478 Image available Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2010-1 16380 Placer Sierra Nevada Mountains Foothills; junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SEINET4691428  Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2010-1 16380 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  UCR218131  Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16380 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCD53578  Agrostis stolonifera R. Tofsrud 1951-7-1 s.n. Placer between Weimar and Colfax. Comment
  SACT000215  Agrostis tenuis D. Meyer 1984-6-10 Placer 606.0 Comment
  SACT000217  Agrostis tenuis D. Meyer 1984-8-17 Placer 667.0 Comment
  CAS-BOT-BC64487  Ailanthus altissima T. C. Fuller 1975-9-5 20101 Placer Between old Hwy 40 & Interstate 80 freeway, n. limits of Colfax. Sierra Nevada. 731 Comment
  CDA4760  Ailanthus altissima T. C. Fuller 1975-9-5 20101 Placer Sierra Nevada; Between old Highway 40 & Interstate 80 freeway, north limits of Colfax. Comment
  SACT000229  Aira caryophyllea D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  SACT000265  Aira caryophyllea Michael Baad 1983-5-7 Placer open rock hillside; south facing serpentine outcrop 426.7 Comment
  RSA353527  Alisma triviale William Martin 1971-9-10 20221 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CAS-BOT-BC132121  Allium sanbornii var. sanbornii G. L. Stebbins, Jr. 1952-6-22 5100 Placer Along southeast bank of American River, 1 mile northeast of bridge on Colfax-Iowa Hill Road 350 Comment
  UCD138626  Allium sanbornii var. sanbornii G. L. Stebbins 1952-6-22 5100 Placer Southeast bank of American River, 1/2 mile northeast of bridge on Colfax-Iowa Hill road. 350 Comment
  RSA452774  Alnus rhombifolia Wm. Martin 1971-9-10 20228 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  UCR218467  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16390 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SACT000334  Anthoxanthum odoratum Michael Baad 1983-5-5 Placer One mikle south of Placer Hills Road , on Milk Ranch Road, 2 miles west of Colfax, open hillside, north-facing slope. 609.6 Comment
  UCD56275  Anthoxanthum odoratum Beecher Crampton 1955-6-15 2863 Placer 3 miles east of Weimar. Comment
  SEINET3854170 Image available Antirrhinum vexillo-calyculatum subsp. intermedium Marcus E. Jones 1882-7-3 3426 Placer Colfax Comment
  POM29613  Antirrhinum vexillocalyculatum subsp. intermedium Marcus E. Jones 1882-7-3 3426 Placer Colfax. Comment
  UC885065  Antirrhinum vexillocalyculatum subsp. intermedium Marcus E. Jones, A. M. 1882-7-3 3426 Placer Colfax Comment
  CAS-BOT-BC218514  Apiaceae Saichi Kawahara 1969-5-24 826 Placer Slope overlooking north fork of the American River, on the Colfax-Iowa Hill Road betwen Dinner Tree and Windy Point 585 Comment
  SDSU2587  Apocynum androsaemifolium Bill Sonle 1942-5-27 3308 Placer Colfax Comment
  UCD164652  Aquilegia formosa Brandi Sorensen 1995-6-1 29 Placer .73 kilometers northwest of Colfax. 671 Comment
  POM105934  Arceuthobium campylopodum Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  POM76766  Arctostaphylos mewukka Marcus E. Jones 1900-7-10 s.n. Placer Colfax Comment
  A362384  Arctostaphylos viscida A. Eastwood 1922-4-6 11123 Unknown Colfax Comment
  GH362440  Arctostaphylos viscida S. M. Peers 1946-3-18 Unknown Colfax Comment
  CAS-BOT-BC47051  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11123 Placer Colfax. Comment
  CAS-BOT-BC47061  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. 762 Comment
  CAS-BOT-BC47064  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer Sierra Nevada, 1 mi. w. of Colfax. 658 Comment
  CAS-BOT-BC47067  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1911-11-4 s.n. Placer Colfax. Comment
  CAS-BOT-BC47125  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. Comment
  POM202666  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. Comment
  POM202667  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11123 Placer Colfax. Comment
  RSA252141  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer 1 mi W. of Colfax. 659 Comment
  RSA273223  Arctostaphylos viscida subsp. viscida Jo Ann Olson 1966-4-10 s.n. Placer Near Colfax. Comment
  UC674747  Arctostaphylos viscida subsp. viscida C. H. Merriam 1911-11-4 Placer Colfax Comment
  UC1123505  Asclepias cordifolia C. R. Clar 1933-6-3 124 Placer near Weimer; Colfax Quadrangle Comment
  UCD121247  Asclepias cordifolia John F. Addicott 1965-5-15 83 Placer 2 miles from Colfax on road to Owl Hill. 548 Comment
  CAS-BOT-BC438815  Barbarea orthoceras George K. Helmkamp; Mary Alice Barnes 2013-4-18 20349 Placer Foothills, northern Sierra Nevada Mountains: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax. 561 Comment
  RSA0035849  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20349 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR250688  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20349 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UCR250689  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20353 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UC1126293  Berberis aquifolium var. repens J. E. Sowder and R. W. Lundh 1933-4-26 37 Placer ne Colfax Hill (near camp); Colfax Quadrangle Comment
  POM350843  Bidens frondosa Wm. Martin 1971-9-10 20205 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  JEPS127729  Brodiaea elegans H. Forbes, B. Keller 2009-7-2 UCBG 33 Lake Iowa Hill Road, 3.53 km from its intersection with Canyon Way, just S of Colfax in the Auburn State Recreation Area - Mineral Bar. Comment
  SEINET9364702  Brodiaea elegans Unknown 2010-6-26 16372 Placer Sierra Nevada Mountains Foothills Comment
  JEPS7629  Brodiaea elegans subsp. elegans Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, H. Stutz and F. Ehrendorfer 1952-7-19 3858 Placer North Fork American River just below Cape Horn (0.5 mi above bridge on Colfax-Iowa Hill Road); North Fork American River 381 Comment
  RSA785457  Brodiaea elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2010-6-26 16372 Placer junction of Canyon Way and Yankee Jim s Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR219682  Brodiaea elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2010-6-26 16372 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCD77185  Brodiaea minor Robert E. Preston 2004-6-12 2255 Placer Ca. 1 mile east of Colfax, along Iowa Hill Road. 342 Comment
  SEINET2473481 Image available Bromus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-1 16435 Placer Sierra Nevada Mountains Foothills; Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 410 Comment
  UCR218217  Bromus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16435 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  SACT000376  Bromus arvensis D. Meyer 1983-6-5 Placer roadside ditch. 829.056 Comment
  UCD36651  Bromus commutatus Beecher Crampton 1955-6-15 2862 Placer Placer County, 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. Comment
  UCD58454  Bromus commutatus Beecher Crampton 1955-6-15 2862 Placer 3 miles east of Weimar. Comment
  UCR146660  Bromus commutatus Beecher Crampton 1955-6-15 2862 Placer Sierra Nevada Mountains, 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills [Yankee Jim] Road, just off U.S. Highway 40 701 Comment
  SACT000525  Bromus diandrus Michael Baad 1983-5-5 Placer One mile north of Placer hills Road, 2 miles from Colfax. Open hillside, north-facing slope. 609.6 Comment
  UCD58614  Bromus grandis G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrendorfer, J. Hunziker et al. 1952-7-19 5124 Placer Along north fork of American River. 2 miles south of Colfax. 1/2 mile east of bridge of Iowa Hill Road. 350 Comment
  SACT000567  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-6-5 Placer roadside ditch 829.056 Comment
  SACT000630  Bromus madritensis Michael Baad 1983-5-7 Placer open rock hillside; south-facing, serpentine slope 426.7 Comment
  SACT000634  Bromus madritensis D. Meyer 1983-6-5 Placer roadside ditch 829.056 Comment
  SACT000677  Bromus sterilis Michael Baad 1983-5-5 Placer streamside picnic area at junction. on Bear River. 3 miles southwest of Colfax, shaded moist site. 609.0 Comment
  SACT000767  Bromus tectorum Michael Baad 1983-5-5 Placer Ciolfax, 1 mile north of Placer Hills Road. Open hillside north-facing slope. 609.6 Comment
  UCD36654  Bromus tectorum Beecher Crampton 1955-6-15 2874 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  UC1585975  Calandrinia ciliata Barbara Ertter with David Thompson 1989-4-8 8155 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing) 518 Comment
  POM281959  Calocedrus decurrens Major Irving, Irving 1929-9-17 s.n. Placer Colfax, Sierra Nevada 610 Comment
  CAS-BOT-BC438817  Calochortus albus George K. Helmkamp; Mary Alice Barnes 2013-4-18 20358 Placer Northern Sierra Nevada Mtns Foothills: Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar. 512 Comment
  UCR250350  Calochortus albus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20358 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  SDSU11925  Calochortus monophyllus Bill Fonle 1942-5-27 Placer Colfax 1219 Comment
  UC197247  Calochortus monophyllus C. F. Sonne 1891-5-17 Placer Colfax Comment
  UCD164625  Calochortus monophyllus Brandi Sorensen 1995-6-1 18 Placer .73 kilometers northwest of Colfax. 671 Comment
  SBBG57803  Calochortus venustus M. N. Ackley -Jun-1925 649 Placer New England Mills Comment
  CAS-BOT-BC126721  Calycadenia multiglandulosa G. K. Helmkamp; E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SD237303  Calycadenia multiglandulosa G. K. Helmkamp, E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  SEINET3245944  Calycadenia multiglandulosa G. K. Helmkamp, E. A. Helmkamp 2010-1 16368 Placer Sierra Nevada Mountain Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax (Colfax 7.5') 616 Comment
  UCR218991  Calycadenia multiglandulosa George K. Helmkamp, E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR51761  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer Weimar Post Office 686 Comment
  POM29893  Calycadenia truncata subsp. truncata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  POM30655  Calycadenia truncata subsp. truncata Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  CAS-BOT-BC37354  Cardamine californica Alice Eastwood 1922-4-6 11120 Placer Colfax. Comment
  CAS-BOT-BC37842  Cardamine oligosperma Saichi Kawahara 1969-5-24 884 Placer Slope overlooking north fork of the American River. Colfax-Iowa Hill Road, between Dinner Tree and Windy Point. 585 Comment
  CAS-BOT-BC20110  Carex feta Saichi Kawahara 1969-5-25 1032 Placer Near BM 2393, 'Nigger' george Ravine, Colfax - Iowa Hill Road. [locality name changed to Georges Ravine.] 729 Comment
  RSA115454  Carex feta Beecher Crampton 1955-6-15 2865 Placer Head of Bunch Canyon, Forest Hill Road junction with U. S. Highway 40, 3 miles east of Weimar. Comment
  CAS-BOT-BC119587  Carex nudata Rimo Bacigalupi; George Ledyard Stebbins; Daniel Zohary; Juan Hector Hunziker; Alexander D. Hawkes; Friedrich Ehrendorfer; Howard C. Stutz 1952-7-19 3851 Placer Along N Fork of the American River, below Cape Horn sta. on the SP RR, 381 Comment
  JEPS14034  Carex nudata Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Juan Hunziker, Alex Hawkes, ... 1952-7-19 3851 Placer 1/2 mi above bridge on Iowa Hill to Colfax road (below Cape Horn on the S.P. RR); North Fork of the American River 381 Comment
  CAS-BOT-BC248978  Castilleja Saichi Kawahara 1969-5-24 829 Placer Overlooking north fork of the American River. On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  JEPS103908  Castilleja applegatei subsp. pinetorum T. I. Chuang and F. M. Chuang 1991-6-29 7840 Placer 3.6 mi SW of Iowa Hill, on road to Iowa Hill.o Comment
  JEPS88828  Castilleja applegatei subsp. pinetorum T. I. and F. M. Chuang 1991-6-29 7840 Placer 3.6 mi sw Iowa Hill (on road to Iowa Hill) Comment
  UC2045175  Castilleja applegatei subsp. pinetorum George K. Helmkamp with Mary Alice Barnes 2013-4-18 20354 Placer Northern Sierra Nevada Mtns Foothills: Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar. Colfax 7.5' Q. Comment
  UCR250687  Castilleja applegatei subsp. pinetorum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20354 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  UCD41257  Castilleja lacera Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1714 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  JEPS103927  Castilleja subinclusa subsp. subinclusa T. I. and F. M. Chuang 1991-6-29 7839 Placer 3.6 mi SW of Iowa Hill, on road to Iowa Hill. Comment
  JEPS88839  Castilleja subinclusa subsp. subinclusa T. I. and F. M. Chuang 1991-6-29 7839 Placer 3.6 mi sw Iowa Hill (on road to Iowa Hill) Comment
  CAS-BOT-BC47796  Ceanothus C. H. M. 1911-11-5 s.n. Placer Colfax Comment
  UC1071509  Ceanothus N. French 1933-5-16 120 Placer 3 mi se Colfax; Colfax Quad. Comment
  RSA129722  Ceanothus cordulatus N. H. French 1934-5-24 361 Placer N Fork, N Fork American River, Colfax 1341 Comment
  A349129  Ceanothus cuneatus A. Eastwood 1912-06-20 - 1912-06-22 618 Unknown Colfax Comment
  CAS-BOT-BC48947  Ceanothus cuneatus Alice Eastwood 1912-6-20 618 Nevada Colfax Comment
  GH349593  Ceanothus integerrimus S. M. Peers 1946-5-4 Unknown Shirttail Canyon near Forest Hill Comment
  RSA0035851  Ceanothus integerrimus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20370 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  SACT002924  Ceanothus integerrimus Michael Baad 1977-4-13 Placer 0.8 mile north of PLacer Hills Road on Milk Ranch Road leading to Bear River Camp. High road bank to the east of road, sunny slope. Comment
  UC1070714  Ceanothus integerrimus J. E. Sowder, R. W. Lundh 1933-5-15 29 Placer n slope of Colfax Hill Colfax quad. 822 Comment
  UC1070727  Ceanothus integerrimus N. French 1933-5-5 39 Placer American River Colfax quad. 609 Comment
  UC750675  Ceanothus integerrimus Susie M. Peers 1946-5-4 Placer near Forest Hill Shirttail Canyon Comment
  UCD111963  Ceanothus integerrimus Beecher Crampton 1955-6-15 2859 Placer Bunch Canyon head. Comment
  UCD164646  Ceanothus integerrimus Brandi Sorensen 1995-6-1 21 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCR250360  Ceanothus integerrimus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20370 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  POM86936  Ceanothus integerrimus var. californicus I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  CAS-BOT-BC51039  Ceanothus integerrimus var. macrothyrsus Susie Peers 1929-5-1 s.n. Placer Colfax Comment
  A349707  Ceanothus lemmonii H. Peers 1933-5-12 Unknown Colfax Comment
  UC1070796  Ceanothus lemmonii N. French 1933-5-16 57 Placer 3 mi se Colfax; Colfax quad. 670 Comment
  UC1070800  Ceanothus lemmonii C. R. Clar 1933-5-11 117 Placer 3 mi e Weimer; Colfax quad. 609 Comment
  UCD164638  Ceanothus oliganthus Brandi Sorensen 1995-6-1 23 Placer .73 kilometers northwest of Colfax. 671 Comment
  POM204426  Ceanothus tomentosus Hamilton Peers 1933-5-12 s.n. Placer Colfax Comment
  POM85944  Ceanothus tomentosus Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  RSA264955  Ceanothus tomentosus Wyrick 1975-4-27 9633 Placer near Cape horn near Colfax 793 Comment
  UC1071448  Ceanothus tomentosus N. French 1933-5-16 58 Placer 4 mi se Colfax; Colfax quad. Comment
  CAS-BOT-BC52884  Ceanothus tomentosus var. tomentosus Hamilton Peers 1933-5-12 s.n. Placer Colfax Comment
  UCR218231  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16406 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CAS-BOT-BC179376  Cercis occidentalis Saichi Kawahara 1969-5-25 1037 Placer Colfax - Town Hill Road, near B.M. 2393, 'Nigger' George Ravine 729 Comment
  CAS-BOT-BC207587  Cercis occidentalis Marcus E. Jones 1882-7-4 3572 Placer Colfax Comment
  POM28572  Cercis occidentalis Marcus E. Jones 1882-7-4 3572 Placer Colfax Comment
  UC863549  Cercis occidentalis Marcus E. Jones, A. M. 1882-7-4 3572 Placer Colfax Comment
  UCD164624  Cercis occidentalis Brandi Sorensen 1995-5-17 4 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD41263  Chaenactis glabriuscula Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1720 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  CAS-BOT-BC141721  Chamaebatia foliolosa Doris K. Kildale 1928-8-23 6643 Placer Near Colfax Comment
  CAS-BOT-BC141727  Chamaebatia foliolosa C. Hart Merriam 1911-11-5 s.n. Placer Colfax Comment
  SDSU9003  Chamaebatia foliolosa Sonle 1942-5-27 Placer Colfax. Comment
  UC615243  Chamaebatia foliolosa Beryl O. Schreiber 1932-9-11 758 Placer near Colfax Comment
  UCR218121  Chlorogalum grandiflorum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16394 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCD41254  Clarkia arcuata Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1711 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  UC930772  Clarkia biloba A. A. Heller 1917-6-19 12746 Placer 4 mi e Colfax Comment
  UC930775  Clarkia biloba Marcus E. Jones, A. M. 1882-7-3 3340 Placer Colfax Comment
  UC930777  Clarkia biloba Alice Eastwood Jun 20 1912-Jun 22 1912 619 Placer Colfax Comment
Read comments
Sep 7 2010
  UCD104313  Clarkia biloba L. D. Gottlieb 1988-6-29 8837 Placer E of Colfax, on Iowa Hill Road, 1.6 miles E of Canyon Road. Comment
  CAS-BOT-BC163588  Clarkia biloba subsp. biloba Marcus E. Jones 1882-7-3 3340 Placer Colfax Comment
  POM37817  Clarkia biloba subsp. biloba Marcus E. Jones 1882-7-3 3340 Placer Colfax. Comment
  RSA449278  Clarkia biloba subsp. biloba A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  SEINET3260628 Image available Clarkia biloba subsp. biloba Marcus E. Jones 1882-7-3 3340 Placer Colfax. Comment
  CAS-BOT-BC172406  Clarkia biloba subsp. brandegeeae Marcus E. Jones 1882-7-3 3340 Placer Colfax Comment
  CAS-BOT-BC172407  Clarkia biloba subsp. brandegeeae Alice Eastwood 1912-6-20 619 Placer Colfax Comment
  CAS-BOT-BC172408  Clarkia biloba subsp. brandegeeae A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  CAS-BOT-BC172410  Clarkia biloba subsp. brandegeeae A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  LA205993  Clarkia biloba subsp. brandegeeae H. Lewis; M. Lewis 1947-6-10 385 Placer US Highway 40, 1.8 mi. S of S turnoff of Colfax Comment
  SEINET3860298  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-26 16379 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax.; 0 616 Comment
  UCD77559  Clarkia biloba subsp. brandegeeae Robert E. Preston 2004-6-12 2254 Placer Ca. 0.7 mile E of Colfax, along Iowa Hill Road. 342 Comment
  UCR218115  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-26 16379 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR218238  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16441 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  UCR218240  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16438 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  UCR218446  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16423 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  UCD104459  Clarkia cylindrica J. F. Addicott 1965-5-15 82 Placer 2 miles from Colfax on road to Owl Hill. 548 Comment
  RSA115451  Clarkia heterandra Beecher Crampton 1955-6-15 2858 Placer Head of Bunch Canyon, just off U.S. Highway 40, 3 miles east of Weimar, Forest Hill Road Comment
  CAS-BOT-BC172532  Clarkia purpurea subsp. purpurea Marcus E. Jones 1882-7-3 3341 Placer Colfax Comment
  CAS-BOT-BC163841  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1912-6-20 620 Nevada Colfax Comment
  SEINET3260811 Image available Clarkia purpurea subsp. viminea Marcus E. Jones 1882-7-3 3341 Placer Colfax. Comment
  SEINET3860297  Clarkia purpurea subsp. viminea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16414 Placer Sierra Nevada Mountains Foothills: Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 ENE of Applegate.; 0 476 Comment
  UCD104965  Clarkia purpurea subsp. viminea L. D. Gottlieb 1988-6-29 8838 Placer Iowa Hill Road, E of Colfax, 1.6 miles E of Canyon Road. Comment
  UCR218445  Clarkia purpurea subsp. viminea George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16424 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  UCR219652  Clarkia purpurea subsp. viminea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16414 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  UCD13162  Clarkia rhomboidea Michael Walton 1974-5-25 98 Placer Canyon Way, parallel to U.S. Interstate 80, about 15 miles northeast of Auburn. 609 Comment
  UCR218135  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16403 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR218228  Clarkia unguiculata George K. Helmkamp, E. A. Helmkamp 2010-6-26 16409 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  UCR218449  Clarkia unguiculata George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16420 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  POM37811  Clarkia williamsonii Marcus E. Jones 1882-7-3 3341 Placer Colfax. Comment
  UC930749  Clarkia williamsonii Marcus E. Jones, A. M. 1882-7-3 3341 Placer Colfax Comment
  UCD41270  Claytonia parviflora subsp. grandiflora Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1726 Placer East of Hwy 80 and town of Colfax, western side of canyon of North Fork of the American River. Along Iowa Hill Road, about 1.8 road miles east of intersection with Canyon Way in Colfax. 518 Comment
  UCR250343  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Mary Alice Barnes 2013-4-18 20366 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  UCR250646  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Mary Alice Barnes 2013-4-18 20378 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCD164650  Claytonia parviflora subsp. parviflora Brandi Sorensen 1995-6-1 28 Placer .73 kilometers northwest of Colfax. 671 Comment
  SFV8731  Claytonia perfoliata E. J. McBerty 1961-5-7 25 Placer Sierra Nevada On county road about 1 mile north from Weimar. 640 Comment
  UCR250649  Claytonia perfoliata subsp. mexicana George K. Helmkamp, Mary Alice Barnes 2013-4-18 20375 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  CAS-BOT-BC238043  Collinsia Saichi Kawahara 1969-5-24 824 Placer On slope overlooking the north fork of the American River. On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  POM49312  Collinsia tinctoria Marcus E. Jones 1882-7-3 3433 Placer Colfax. Comment
  RSA785458  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SD237613  Collinsia tinctoria G. K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer Sierra Nevada Mountains Foothills: juncton of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax (Colfax 7.5'Q) 616 Comment
  SEINET5796622 Image available Collinsia tinctoria Marcus E. Jones 1882-1 Placer Colfax; 39.10073 -120.953276 Comment
  UC885593  Collinsia tinctoria Marcus E. Jones, A. M. 1882-7-3 3433 Placer Colfax Comment
  UCR218242  Collinsia tinctoria George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16430 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  UCR218248  Collinsia tinctoria George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16434 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  UCR219647  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR218223  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2010-6-26 16386 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCD41265  Collomia heterophylla Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1722 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UCR218247  Conium maculatum George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16433 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  UCR146914  Cornus glabrata Beecher Crampton 1955-6-15 2866 Placer Sierra Nevada Mountains, head of Bunch Canyon, 3.5 mi. east of Weimar on road to Foresthill, 0.5 mi. south of US Hwy 40 671 Comment
  UCD164641  Cornus nuttallii Brandi Sorensen 1995-5-17 1 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD38474  Cornus sericea Beecher Crampton 1955-6-15 2866 Placer Head of Bunch Canyon, road to Forest Hill. 0.5 miles south US Hwy 40. Comment
  SEINET9336239  Croton setiger Unknown 2010-6-26 16370 Placer Sierra Nevada Mountains Foothills Comment
  UCR219648  Croton setiger George K. Helmkamp, E. A. Helmkamp 2010-6-26 16370 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR218126  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 2010-6-26 16401 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  POM84452  Cuscuta californica Marcus E. Jones 1882-5-3 s.n. Placer Colfax Comment
Read comments
Sep 7 2010
  SACT000850  Cynosurus echinatus Michael Baad 1983-5-5 Placer One mile north of placer Hills Road on Milk Ranch Road. 2 miles from Colfax, open hillside, north-facing slope. 609.6 Comment
  UCR218221  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16388 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  POM111775  Cyperus eragrostis I. E. Diehl 1902-7-7 55 Placer Colfax Comment
  CAS-BOT-BC198183  Cytisus scoparius Saichi Kawaha 1969-5-25 1028 Placer Near B.M. 2393, Nigger George Ravine, Colfax-Iowa Hill Road 729 Comment
  UCD164628  Cytisus scoparius Brandi Sorensen 1995-6-1 26 Placer .73 kilometers northwest of Colfax. 671 Comment
  SACT000883  Danthonia californica var. americana Josephine Van Ess 1977-6-3 Placer Collected in low area in west side of road at bend. 6 miles west of highway. Low vernally wet area. 420.7 Comment
  UCR218243  Delphinium hansenii subsp. hansenii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16428 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  UCD38471  Delphinium patens subsp. patens Beecher Crampton 1955-6-15 2875 Placer Head of Bunch Canyon. Comment
  GH381403  Dendromecon rigida F. A. MacFadden 1934-3-31 12428 Unknown Colfax Comment
  UCD19843  Dendromecon rigida C. H. Lamoureux; M. Ingle and J. Major 1956-5-19 1091 Placer 15 miles east of Auburn on Hwy 40. Comment
  UCD95207  Dendromecon rigida C. H. Lamoureux 1956-5-19 1091 Placer 15 miles east of Auburn on Hwy 40. Comment
  HSC59000  Dicentra formosa Dan Wyrick 1975-4-27 113 Placer Near Bear River, close to the town of Colfax 610 Comment
  UCD164615  Dicentra formosa Brandi Sorensen 1995-5-17 9 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD95493  Dicentra formosa subsp. formosa Amelie Blyth 1952-5-11 9- 7 Placer 4 miles W of Iowa Hill, on road from Colfax. 609 Comment
  CAS-BOT-BC444011  Dichelostemma capitatum subsp. capitatum George K. Helmkamp; Mary Alice Barnes 2013-4-18 20348 Placer Foothills, northern Sierra Nevada Mountains: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax. 170 Comment
  RSA0035848  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20348 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR218134  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16384 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR250685  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20348 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  JEPS73981  Digitaria sanguinalis Virginia Bufford 1932-9-9 508 Placer near Colfax; near Colfax Comment
  CAS-BOT-BC150475  Diplacus grandiflorus Saichi Kawahara 1969-5-24 822 Placer Slope overlooking the American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CAS-BOT-BC150480  Diplacus grandiflorus G. L. Stebbins, Jr. 1952-6-22 5093 Placer 2 miles southeast of Colfax. Along American River north of bridge on road to Iowa Hill 350 Comment
  UCD40552  Dittrichia graveolens A. M. Shapiro 2003-10-13 s.n. Placer Colfax, along railroad tracks near downtown. 670 Comment
  UCD53912  Dittrichia graveolens A. M. Shapiro 2004-11-1 s.n. Placer Colfax, construction site opposite 148 Whitcomb St. Comment
  UCD54324  Dittrichia graveolens A. M. Shapiro 2005-10-5 s.n. Placer Colfax. 682 Comment
  UC1123272  Dodecatheon hendersonii J. E. Sowder, R. W. Lundh 1933-4-19 48 Placer Colfax Hill Colfax Quad., Colfax Hill Comment
  UCR218132  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2010-6-26 16385 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC109479  Dudleya Saichi Kawahara 1969-5-24 823 Placer Overlooking north fork of the American River. Colfax-Iowa Hill Road between Dinner Tree and Windy Point. 585 Comment
  UCR250345  Dudleya cymosa subsp. cymosa George K. Helmkamp, Mary Alice Barnes 2013-4-18 20364 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  CAS-BOT-BC197168  Echinochloa crus-galli Gordon H. True 1968-8-26 4582 Nevada Taylor crossing on Bear River ca. 2.5 miles west of Colfax, just west of Placer County line Comment
  CAS-BOT-BC197169  Echinochloa crus-galli Gordon H. True 1968-8-26 4583 Nevada Taylor crossing on Bear River ca. 2.5 miles west of Colfax, just west of Placer County line Comment
  UCD60936  Echinochloa crus-galli var. zelayensis Gordon H. True 1968-8-26 4582 Nevada Taylor Crossing on Bear River ca. 2.5 miles west of Colfax, just west of county line. Comment
  CAS-BOT-BC113125  Eleocharis pachycarpa Rimo Bacigalupi 1952-7-19 3850 Placer Along the N Fork of the American River, 1/2 mi above bridge on the Colfax-Iowa Hill Rd, 381 Comment
  JEPS14035  Eleocharis pachycarpa Rimo Bacigalupi, Alex Hawkes et al. 1952-7-19 3850 Placer 1/2 mi above bridge on the Colfax - Iowa Hill road, directly below Cape Horn station of S.P.RR North Fork American River 381 Comment
  SACT001076  Elymus glaucus D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001133  Elymus glaucus Michael Baad 1977-6-21 Placer 685.0 Comment
  SACT001134  Elymus glaucus Michael Baad 1977-6-21 Placer 685.0 Comment
  SACT001135  Elymus glaucus Michael Baad 1977-6-21 Placer On Colfax to Forest Hill Road, east-facing cliff, streamside habitat. 670.0 Comment
  SEINET203584  Elymus glaucus subsp. glaucus F. J. Hermann 1955-7-26 11936 Placer US Hwy 40 mi SW Weimer 0 Comment
  SEINET2473480 Image available Elymus glaucus subsp. glaucus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-1 16436 Placer Sierra Nevada Mountains Foothills; Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 410 Comment
  UCR218234  Elymus glaucus subsp. glaucus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16436 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  UCR218123  Epilobium George K. Helmkamp, E. A. Helmkamp 2010-6-26 16392 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CAS-BOT-BC171973  Epilobium canum subsp. latifolium G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; J. Hunziker; H. Stutz; D. Zohary 1952-7-19 5122 Placer Along North fork Amercian River, 2 miles south of Colfax, about 1/2 mile east of bridge of Iowa Hill Road Comment
  CAS-BOT-BC171974  Epilobium canum subsp. latifolium G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; J. Hunziker; H. Stutz; D. Zohary 1952-7-20 5133 Placer Along Shrittail Creek, just above its junction with north fork American River, along road from Colfax to Forest Hill Comment
  CAS-BOT-BC171975  Epilobium canum subsp. latifolium G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; Juan Hunziker; Howard Stutz; Daniel Zohary 1952-7-19 3859 Placer Rock outcropping just above torrent of main stream, North Fork of American River, below Cape Horn sta. on S.P.RR, 1/2 mile above bridge on colfax - Iowa Hill Road 381 Comment
  JEPS14028  Epilobium canum subsp. latifolium Rimo Bacigalupi,with G. L. Stebbins, D. Zohary, J. Hunziker, F. Ehrendorfer, A. Hawkes, & H. Stutz 1952-7-19 3859 Placer rock outcropping just above torrent of main stream (below Cape Horn sta. on S.P.R.R., 1/2 mi above bridge on Colfax-Iowa Hill rd); North Fork of American River 381 Comment
  UCD105596  Epilobium canum subsp. latifolium G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, et al. 1952-7-20 5133 Placer Along Shirttail Creek, just above its junction with N Fork American River, along road from Colfax to Forest Hill. Comment
  POM46188  Epilobium ciliatum subsp. ciliatum I. E. Diehl 1902-7-7 s.n. Placer Colfax. Comment
  RSA436023  Eremocarpus setiger Wm. Martin 1971-9-10 20201 Placer 8 miles E of Auburn on the road to Applegate on Hwy. 80. Comment
  CAS-BOT-BC293370  Erigeron Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCD41260  Erigeron foliosus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1717 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  CAS-BOT-BC300665  Erigeron foliosus var. hartwegii G. K. Helmkamp; E. A. Helmkamp 2010-6-26 16391 Placer Sierra Nevada Mountains Foothills: Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CAS-BOT-BC300671  Erigeron foliosus var. hartwegii Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCR218122  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2010-6-26 16391 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR218224  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2010-6-26 16413 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  UCR218453  Erigeron foliosus var. hartwegii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16426 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  CAS-BOT-BC216229  Eriodictyon californicum Saichi Kawahara 1969-5-24 834 Placer Cape Horn, overlooking north fork of American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCD164651  Eriodictyon californicum Brandi Sorensen 1995-6-1 17 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC255403  Eriogonum Saichi Kawahara 1969-7-6 833 Placer Slope over looking north fork of the American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CAS-BOT-BC263700  Eriogonum luteolum var. pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax Comment
  CAS-BOT-BC263701  Eriogonum luteolum var. pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax Comment
  SEINET3405037 Image available Eriogonum luteolum var. pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax Comment
  UC615468  Eriogonum luteolum var. pedunculatum Beryl O. Schreiber 1932-9-11 760 Placer near Colfax Comment
  UC912848  Eriogonum luteolum var. pedunculatum Marcus E. Jones, A. M. 1882-7-3 2840 Placer Colfax Comment
  UCR218124  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2010-6-26 16393 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  POM105140  Eriogonum pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax. Comment
  UCD14667  Eriogonum tripodum A. M. Shapiro 1997-6-5 s.n. Placer California, Placer Co.; Colfax, saddle above Burnt Flat, ca. 3/4 mile along Iowa Hill Road; 670 Comment
  CAS-BOT-BC300950  Eriophyllum lanatum Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCR218222  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2010-6-26 16387 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC301411  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 miles east of Colfax Comment
  CAS-BOT-BC301412  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 miles east of Colfax Comment
  GH427018  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Unknown 4 miles east of Colfax Comment
  UC201298  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 mi e of Colfax Comment
  UC896353  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 mi e of Colfax Comment
  CAS-BOT-BC438819  Erythranthe guttata George K. Helmkamp; Mary Alice Barnes 2013-4-18 20377 Placer Northern Sierra Nevada Mtns Foothills: Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax. 544 Comment
  SEINET4678047  Erythranthe pardalis Barbara Ertter, David M. Thompson 1989-4-8 8173 Placer Iowa Creek Road ca 2 miles from I-80 near entrance to Auburn State Recreation Area.; 0 518 Comment
  UCR218127  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2010-6-26 16402 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR250904  Eschscholzia caespitosa George K. Helmkamp, Mary Alice Barnes 2013-4-18 20344 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  POM85679  Euphorbia crenulata Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCD36650  Festuca elmeri Beecher Crampton 1955-6-15 2861 Placer 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. Comment
  UCD65915  Festuca elmeri Beecher Crampton 1955-6-15 2861 Placer 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. Comment
  SACT001175  Festuca pratensis D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  CAS-BOT-BC53543  Frangula californica subsp. tomentella Doris K. Kildale 1928-8-23 6644 Placer near Colfax Comment
  CAS-BOT-BC53550  Frangula californica subsp. tomentella C. Hart Merriam 1911-11-4 s.n. Placer Colfax Comment
  RSA785623  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2010-6-26 16375 Placer junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SEINET9349432  Galium parisiense Unknown 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills Comment
  UCR219679  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UC1122680  Garrya fremontii C. R. Clar, N. French 1933-5-19 123 Placer Iowa Hill Road; Colfax Quad. 822 Comment
  UCD81187  Genista monspessulana William Haley 2009-5-12 s.n. Placer Stevens Trail near Colfax, ca. 1.2 mi from trailhead parking area on North Canyon Way. SW corner of trail junction leading to Burnt Flat region. 597 Comment
  UCR219495  Genista monspessulana Bill Haley 2009-5-12 s.n. Placer Stevens Trail near Colfax, c. 1.2 mi from trailhaed parking area on North Canyon Way, Southwest corner of trail junction leading to Burnt Flat region. Old homesteads are in the area 598 Comment
  JEPS127402  Geranium molle Steve Matson 2006-4-23 1608 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  SEINET3860402  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2010-6-26 16408 Placer Sierra Nevada Mountains Foothills: Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE of Applegate.; 0 476 Comment
  UCR218229  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2010-6-26 16408 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  UC193884  Gilia capitata subsp. pedemontana C. F. Sonne 1891-5-17 Placer Colfax Comment
  SEINET3163581  Gilia filicaulis M. E. Jones 1882-7-3 sn Placer Colfax Comment
  RSA537481  Gilia tricolor subsp. diffusa Barbara Ertter, David M. Thompson 1989-4-8 8156 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  POM112751  Glyceria striata Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCR218233  Gnaphalium californicum George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16445 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road on the west side of Iowa Hill Bridge over the North Fork of the American River 345 Comment
  CAS-BOT-BC314602  Grindelia hirsutula Saichi Kawahara 1969-5-25 1030 Placer Nigger George Ravine, near BM 2393, Colfax - Iowa Hill Road 729 Comment
  UCR218246  Grindelia hirsutula var. davyi George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16432 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  POM359761  Helenium puberulum Wm. Martin 1971-9-10 20238 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  SEINET9343148  Herniaria hirsuta Unknown 2010-6-26 16373 Placer Sierra Nevada Mountains Foothills Comment
  UCR219680  Herniaria hirsuta subsp. cinerea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16373 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC143607  Heteromeles arbutifolia Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  SEINET3156757  Heteromeles arbutifolia M. E. Jones 1882-7-3 sn Placer Colfax Comment
  UC380603  Heteromeles arbutifolia Marcus E. Jones, A. M. 1882-7-3 Placer Colfax Comment
  UCR218452  Heuchera micrantha George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16425 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  CAS-BOT-BC319757  Hieracium argutum G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; J. Hunziker; H. Stutz; D. Zohary 1952-7-19 5125 Placer Along north fork of American River 2 miles south of Colfax 1/2 mile east of bridge of Iowa Hill Road Comment
  CAS-BOT-BC319759  Hieracium argutum Rimo Bacigalupi; G. L. Stebbins; Alex Hawkes; et al. 1952-7-19 3855 Placer Along the North Fork of the American River directly below Cape Horn 1/2 mile upstream from teh bridge on the Colfax-Iowa Hill Road 381 Comment
  JEPS7097  Hieracium argutum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, et al. 1952-7-19 3855 Placer along river directly below Cape Horn (1/2 mi upstream from the bridge on the Colfax-Iowa Hill Road); North Fork of the American River 381 Comment
  CAS-BOT-BC280704  Holcus lanatus Saichi Kawahara 1969-7-6 1033 Placer Near B.M. 2393, Nigger George Ravine, Colfax-Iowa Hill Road 729 Comment
  SEINET2473479 Image available Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-1 16400 Placer Sierra Nevada Mountains Foothills; Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 590 Comment
  UCR218116  Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16400 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SACT001339  Hordeum geniculatum D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001371  Hordeum leporinum D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SEINET6744633  Hosackia argophylla Marcus E. Jones 1882-1 3338 Placer Colfax Comment
  UCD106043  Hosackia pinnata R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax, CA. Comment
  UCD106044  Hosackia pinnata R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax, CA. Comment
  POM86318  Hypericum I. E. Diehl 1902-7-7 50 Placer Colfax Comment
  UCD110359  Hypericum concinnum John R. Davey 1966-5-14 33 Placer ca. 3 miles south of U.S. Highway 40 and 4 miles southwest of Colfax. 609 Comment
  SEINET9285668  Hypericum perforatum Unknown 2010-6-26 16371 Placer Sierra Nevada Mountains Foothills Comment
  UCR219683  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16371 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  JEPS111141  Hypochaeris glabra Steve Matson 2005-4-17 1217 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  UCD164639  Iris hartwegii Brandi Sorensen 1995-6-1 10 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD138774  Iris macrosiphon Elizabeth Gerich 1976-4-23 17 Placer 0.8 mile north of the junction of Interstate 80 and Highway 174, on Highway 174. 762 Comment
  POM196059  Isopyrum occidentale K. Sullivan 1929-4-28 s.n. Placer near colfax Comment
  POM111245  Juncus bufonius Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  SEINET6744631 Image available Juncus bufonius Marcus E. Jones 1882-1 2903 Placer Colfax, California Comment
  OBI49318  Juncus bufonius var. bufonius Unknown 1882-7-4 2903 Placer Colfax Comment
  UC842326  Juncus bufonius var. bufonius Marcus E. Jones, A. M. 1882-7-4 2903 Placer Colfax Comment
  SEINET3814472 Image available Juncus bufonius var. halophilus Marcus E. Jones 1882-7-4 2903 Placer Colfax Comment
  UCD123691  Keckiella breviflora Beecher Crampton 1955-6-15 2882 Placer Dry canyon slopes, Bunch Canyon. Comment
  UCD38469  Keckiella breviflora Beecher Crampton 1955-6-15 2882 Placer Dry canyon slopes, Bunch Canyon. Comment
  UCR218448  Keckiella breviflora subsp. breviflora George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16421 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  UCR250188  Lamium amplexicaule George K. Helmkamp, Mary Alice Barnes 2013-4-18 20339 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UC1563889  Lasthenia gracilis Barbara Ertter with David Thompson 1989-4-8 8147 Placer near entrance to Auburn State Recreation Area (Iowa Creek Road 2 mi from I-80, at creek crossing) 518 Comment
  RSA0035477  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20355 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  RSA0115333  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg ) of Colfax. 561 Comment
  SD260903  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mil East of its junction with Canyon Way, 4.4 miles SE (167a^z) of Colfax (Colfax 7.5'Q) 561 Comment
  UCR250057A  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20337 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UCR250686  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20355 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  RSA0042966  Lepidium campestre George K. Helmkamp, Mary Alice Barnes 2013-4-18 20350 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR250684  Lepidium campestre George K. Helmkamp, Mary Alice Barnes 2013-4-18 20350 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UCR218237  Lilium humboldtii subsp. humboldtii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16442 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  RSA0039273  Lomatium dissectum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SD247298  Lomatium dissectum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles southeast (167 degrees) of Colfax. 561 Comment
  CAS-BOT-BC516755  Lomatium utriculatum George K. Helmkamp; Mary Alice Barnes 2013-4-18 20336 Placer Northern Sierra Nevada Mountains foothills: Yankee Jim Road, 0.9 mi E of its jct with Canyon Way, 4.4 mi SE (167 deg. ) of Colfax 561 Comment
  JEPS127404  Lomatium utriculatum Steve Matson 2006-4-23 1605 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCR250056  Lomatium utriculatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  A422867  Lonicera hispidula M. E. Jones 1882-7-3 3605 Unknown Colfax Comment
  SEINET5784637 Image available Lonicera hispidula Marcus E. Jones 1882-1 3605 Placer Colfax Comment
  CAS-BOT-BC240669  Lonicera interrupta Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  CAS-BOT-BC240670  Lonicera interrupta Saichi Kawahara 1969-5-24 837 Placer Slope overlooking the north fork of the American River on the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  POM68017  Lonicera interrupta Marcus E. Jones 1882-7-3 3605 Placer Colfax. Comment
  CAS-BOT-BC200947  Lotus Saichi Kawahara 1969-5-24 831 Placer Overlooking north fork of the American River, on Colfax-Iowa Hill Road between Dinner Tree and Windy Point Comment
  POM26985  Lotus I. E. Diehl 1902-7-7 53 Placer Colfax Comment
  UC864264  Lotus argophyllus Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  POM27260  Lotus argophyllus var. fremontii Marcus E. Jones 1882-7-3 3338 Placer Colfax. Comment
  UC168928  Lotus argophyllus var. fremontii Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  UC864262  Lotus argophyllus var. fremontii Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  UCR146926  Lotus argophyllus var. fremontii Beecher Crampton 1955-6-15 2887 Placer Sierra Nevada Mountains, 4.5 miles south of US Hwy 40, along North Fork of American River, near base of Bunch Canyon, on road to Forest Hills 701 Comment
  POM27248  Lotus humistratus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  RSA0039066  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20345 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR218230  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16407 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  UCR250903  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20345 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  POM27004  Lotus incanus Marcus E. Jones 1882-5-3 s.n. Placer Colfax Comment
  UCR219681  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16374 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  RSA406275  Lotus unifoliolatus Wm. Martin 1973-9-10 20213 Placer 1 mile east of Weimar on Hwy. 80. 610 Comment
  RSA406278  Lotus unifoliolatus Wm. Martin 1971-9-10 20204 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  CAS-BOT-BC438818  Lupinus albifrons var. albifrons George K. Helmkamp; Mary Alice Barnes 2013-4-18 20361 Placer Northern Sierra Nevada Mtns Foothills: Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar. 512 Comment
  RSA0035850  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  SD248424  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 miles ENE of Weimar. 512 Comment
  UCR250446  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  RSA0039076  Lupinus benthamii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20362 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  UCR250592  Lupinus benthamii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20362 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  RSA0035676  Lupinus bicolor George K. Helmkamp, Mary Alice Barnes 2013-4-18 20342 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR250893  Lupinus bicolor George K. Helmkamp, Mary Alice Barnes 2013-4-18 20342 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UC1129681  Lupinus latifolius var. latifolius N. French 1933-5-15 52 Placer American River 609 Comment
  RSA0035677  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20341 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR218133  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16383 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR218235  Lupinus nanus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16444 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  UCR250894  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20341 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  JEPS127405  Luzula comosa var. laxa Steve Matson 2006-4-23 1603 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCR218232  Madia citriodora George K. Helmkamp, E. A. Helmkamp 2010-6-26 16405 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR218245  Madia citriodora George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16431 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  POM362140  Madia elegans subsp. elegans Wm. Martin 1971-9-10 20202 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  UCR218117  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16399 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR218130  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16382 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR218218  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16416 Placer Sierra Nevada Mountains Foothills, Canyon Way, 1.2 miles south of its junction with Yankee Jim's Road, 1.7 mi. NE (24 deg. ) of Applegate 668 Comment
  UCR218128  Madia minima George K. Helmkamp, E. A. Helmkamp 2010-6-26 16377 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  POM30638  Madia rammii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  POM33073  Malacothrix floccifera Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCR218225  Malacothrix floccifera George K. Helmkamp, E. A. Helmkamp 2010-6-26 16412 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  POM68320  Marah watsonii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCD36656  Melica californica Beecher Crampton 1955-6-15 2877 Placer Placer County, Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  UCD86438  Melica californica Beecher Crampton 1955-6-15 2877 Placer Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  UCR146663  Melica californica Beecher Crampton 1955-6-15 2877 Placer Sierra Nevada Mountains, Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road 518 Comment
  SACT001522  Melica harfordii D. Meyer 1984-8-17 Placer 667.0 Comment
  UCD36652  Melica harfordii Beecher Crampton 1955-6-15 2872 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  UCD36657  Melica harfordii Beecher Crampton 1955-6-15 2884 Placer Placer County, Bunch Canyon, 2.5 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  UCD87385  Melica harfordii Beecher Crampton 1955-6-15 2872 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40, Forest Hill Road. Comment
  UCD87386  Melica harfordii Beecher Crampton 1955-6-15 2884 Placer Placer County, Bunch Canyon, 2.5 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  UCR146664  Melica harfordii Beecher Crampton 1955-6-15 2884 Placer Sierra Nevada Mountains, Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road 518 Comment
Read comments
Oct 11 2010
  SACT001535  Melica torreyana Michael Baad 1977-6-21 Placer On Colfax to Forest Hill Road; east-facing cliff; stream side habitat 670.0 Comment
  UCD36655  Melica torreyana Beecher Crampton 1955-6-15 2876 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  UCD88830  Melica torreyana Beecher Crampton 1955-6-15 2876 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. 914 Comment
  UCR218451  Melica torreyana George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16427 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  CAS-BOT-BC428875  Micranthes californica G. L. Stebbins 1970-4-4 6988 Placer Shrittail [Shirttail] Canyon, south of North Fork, American River, along road from Colfax to Forest Hill [Foresthill]. 365 Comment
  CAS-BOT-BC428876  Micranthes californica G. L. Stebbins 1970-4-4 6990 Placer Shirttail Canyon, south of North Fork, American River, along road from Colfax to Forest Hill [Foresthill]. 365 Comment
  CAS-BOT-BC428878  Micranthes californica G. L. Stebbins 1970-4-4 6989 Placer Shirttail Canyon south of North Fork, American River, along road from Colfax to Forest Hill [Foresthill]. 365 Comment
  UCD102830  Micranthes californica G. L. Stebbins 1970-4-4 6989 Placer Shirttail Canyon, on road from Colfax to Forest Hill, ca. 1/2 mile east of crossing of North Fork American River. 457 Comment
  UCD102832  Micranthes californica G. L. Stebbins 1970-4-4 6990 Placer Shirttail Canyon, on road from Colfax to Forest Hill, ca. 1/2 mile east of crossing of North Fork American River. 457 Comment
  UCR146916  Mimulus aurantiacus Beecher Crampton 1955-6-15 2893 Placer Sierra Nevada Mountains, 8.5 miles west of Iowa Hill, bottom of Shirttail Canyon 610 Comment
  UC445119  Mimulus aurantiacus var. grandiflorus C. F. Sonne 1891-6-17 4268 Placer near Colfax (at Cape Horn) Comment
  RSA0047749  Mimulus guttatus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20377 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCR218120  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16395 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR250647  Mimulus guttatus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20377 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  RSA0042077  Mimulus kelloggii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20346 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR250902  Mimulus kelloggii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20346 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  JEPS9069  Mimulus nasutus Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, Juan Hunziker, Friedr. Ehrendorfer, et al. 1952-7-19 3857 Placer below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill road); North Fork of American River 381 Comment
  UCD38470  Monardella breweri subsp. lanceolata Beecher Crampton 1955-6-15 2880 Placer Bunch Canyon. 2.5 miles south of US Hwy. 40, road to Forest Hill. Comment
  CAS-BOT-BC221667  Monardella candicans Marcus E. Jones 1882-7-4 3458 Placer Colfax Comment
  CAS-BOT-BC221668  Monardella candicans Marcus E. Jones 1882-7-4 3458 Placer Colfax Comment
  GH400541  Monardella candicans M. E. Jones 1882-7-4 3458 Unknown Colfax Comment
  POM70499  Monardella candicans Marcus E. Jones 1882-7-4 s.n. Placer Colfax. Comment
  SEINET3224456 Image available Monardella candicans Marcus E. Jones 1882-7-4 3458 Placer Colfax Comment
  SEINET6744777 Image available Monardella candicans Unknown 1882-1 3458 Unknown Colfax, California Comment
  UC883586  Monardella candicans Marcus E. Jones, A. M. 1882-7-4 3458 Placer Colfax Comment
  RSA70488  Monardella odoratissima I. E. Diehl 1902-7-7 52 Placer Colfax. Comment
  SBBG116113  Muhlenbergia rigens B. Crampton 1969-11-13 8530 Placer Weimar on Interstate 80 685 Comment
  UCD33558  Muhlenbergia rigens Beecher Crampton 1969-11-13 8530 Placer Placer County, Weimar on Interstate 80. 685 Comment
  UCD87000  Muhlenbergia rigens Beecher Crampton 1969-11-13 8530 Placer Placer County, Weimar on Interstate 80 eastbound. 685 Comment
  UCR148107  Muhlenbergia rigens Beecher Crampton 1969-11-13 8530 Placer Welmar on Interstate 80 686 Comment
  UC856864  Navarretia divaricata subsp. vividior Alice Eastwood Jun 20 1912-Jun 22 1912 498 Placer Colfax Comment
Read comments
Sep 7 2010
  POM74987  Navarretia filicaulis Anonymous 1882-7-3 3417 Placer Colfax Comment
  SEINET178555  Navarretia filicaulis Marcus E. Jones 1982-7-3 3417 Placer Colfax Comment
  UC126091  Navarretia filicaulis Marcus E. Jones, A. M. 1882-7-3 3417 Placer Colfax Comment
  UC52811  Navarretia filicaulis Edward Lee Greene 1883-1 Placer Colfax Comment
  UC879942  Navarretia filicaulis Marcus E. Jones, A. M. 1882-7-3 3417 Placer Colfax Comment
  JEPS126331  Nemophila heterophylla Steve Matson 2006-4-23 1600 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  RSA0047750  Nemophila heterophylla George K. Helmkamp, Mary Alice Barnes 2013-4-18 20374 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCR250062  Nemophila pulchella var. gracilis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20340 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UCR250650  Nemophila pulchella var. gracilis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20374 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCD39233  Odontostomum hartwegii Beecher Crampton 1955-6-15 2869 Placer Bunch Canyon Head. Comment
  CAS-BOT-BC67625  Pellaea mucronata Saichi Kawahara 1969-5-24 832 Placer Cape Horn, overlooking north fork of Americna river, Colfax-Iowa Hill Road, between Dinner Tree & Windy Point 585 Comment
  UCD41267  Pellaea mucronata Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1727 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  SEINET178786 Image available Penstemon azureus Marcus E. Jones 1982-7-3 3437 Placer Colfax Comment
  SEINET178787 Image available Penstemon azureus Marcus E. Jones 1982-7-3 3436 Placer Colfax Comment
  POM44119  Penstemon azureus subsp. angustissimus Marcus E. Jones 1882-7-3 3437 Placer Colfax. Comment
  UCR218226  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16411 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  NY571130  Penstemon azureus var. angustissimus M. E. Jones 1882-7-3 3437 Placer Colfax Comment
  UC886822  Penstemon azureus var. angustissimus Marcus E. Jones, A. M. 1882-7-3 3437 Placer Colfax Comment
  NY571188  Penstemon azureus var. azureus M. E. Jones 1882-7-3 3436 Placer Colfax Comment
  RSA780095  Penstemon breviflorus subsp. glabrisepalus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  NY601764  Penstemon heterophyllus var. purdyi A. A. Heller 1917-6-19 12748 Placer 5 miles west of Colfax Comment
  UC887073  Penstemon heterophyllus var. purdyi A. A. Heller 1917-6-19 12748 Placer 5 mi w Colfax; w of Colfax Comment
  UCR250341  Pentagramma pallida George K. Helmkamp, Mary Alice Barnes 2013-4-18 20368 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  UCD164637  Pentagramma triangularis subsp. triangularis Brandi Sorensen 1995-6-1 27 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC438816  Petrorhagia dubia George K. Helmkamp; Mary Alice Barnes 2013-4-18 20357 Placer Northern Sierra Nevada Mtns Foothills: Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar. 512 Comment
  UCR250351  Petrorhagia dubia George K. Helmkamp, Mary Alice Barnes 2013-4-18 20357 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  UCD41261  Phacelia egena Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1718 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  RSA0039073  Phacelia imbricata subsp. imbricata George K. Helmkamp, Mary Alice Barnes 2013-4-18 20369 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCR219666  Phacelia imbricata subsp. imbricata George K. Helmkamp, E. A. Helmkamp 2010-6-26 16376 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR250361  Phacelia imbricata subsp. imbricata George K. Helmkamp, Mary Alice Barnes 2013-4-18 20369 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCD41264  Phacelia vallicola Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1721 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  A401639  Philadelphus californicus M. E. Jones 1882-7-3 3586 Unknown Colfax Comment
  CAS-BOT-BC77387  Philadelphus lewisii Saichi Kawahara 1969-5-24 835 Placer Cape Horn, overlooking north fork of American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CAS-BOT-BC77388  Philadelphus lewisii Marcus E. Jones 1882-7-3 3586 Placer Colfax Comment
  CAS-BOT-BC77389  Philadelphus lewisii Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  UC858324  Philadelphus lewisii Marcus E. Jones, A. M. 1882-7-3 3586 Placer Colfax Comment
  UCR218216  Philadelphus lewisii George K. Helmkamp, E. A. Helmkamp 2010-6-26 16415 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  SEINET177601  Philadelphus lewisii subsp. californicus Marcus E. Jones 1882-7-3 3586 Placer Colfax. Comment
  UCD38468  Philadelphus lewisii var. californicus Beecher Crampton 1955-6-15 2883 Placer Canyon slopes of Bunch Canyon. Comment
  A246935  Pinus attenuata L. Abrams 1935-10-20 Unknown Near Colfax 457 Comment
  A354602  Pinus attenuata L. Abrams 1935-10-20 Unknown Near Colfax 457 Comment
  GH311167  Pinus jeffreyi C. L. Reid 1969-1-1 Unknown California. Placer County: Gold Run to Auburn, near Lake Tahoe Comment
  UC400273  Pinus ponderosa H. M. Hall 1916-6-18 10215 Placer 200 yds ne highest point <on hill>; Colfax Hill 853 Comment
  UCR218239  Piperia elongata George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16440 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  UCD120892  Plagiobothrys nothofulvus John R. Davey 1966-5-14 34 Placer ca. 4 miles southwest of Colfax and 3 miles south of U.S. Highway 40. Comment
  UCD41256  Plagiobothrys nothofulvus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1713 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  POM69140  Plantago lanceolata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  CAS-BOT-BC516756  Plectritis macrocera George K. Helmkamp; Mary Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains foothills: Yankee Jim Road, 0.9 mi E of its jct with Canyon Way, 4.4 mi SE (167 deg. ) of Colfax 561 Comment
  RSA0042076  Plectritis macrocera George K. Helmkamp, Mary Alice Barnes 2013-4-18 20347 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCD41268  Plectritis macrocera Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1724 Placer East of Hwy 80 and town of Colfax, western side of canyon of North Fork of the American River. Along Iowa Hill Road, about 1.8 road miles east of intersection with Canyon Way in Colfax. 518 Comment
  UCR250901  Plectritis macrocera George K. Helmkamp, Mary Alice Barnes 2013-4-18 20347 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  SACT001776  Poa annua Michael Baad 1983-5-5 Placer On Bear River streamside picnic area. 3 miles southwest of Colfax. Moist shaded. 609.0 Comment
  UCD90629  Poa bulbosa Beecher Crampton 1967-7-26 8159 Placer 1.5 miles W of Weimar, near Heather Glen, Interstate Hwy. 80 W. 579 Comment
  UCR250683  Poa bulbosa George K. Helmkamp, Mary Alice Barnes 2013-4-18 20351 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UCD90841  Poa compressa Beecher Crampton 1955-6-15 2864 Placer 3 miles east of Weimar. Comment
  SACT001942  Poa pratensis D. Meyer 1984-6-17 Placer Southeast of Weimar. 666.0 Comment
  UCD91878  Poa pratensis Beecher Crampton 1955-6-15 2888 Placer 1 mile south of the North Fork of the American River Bridge, Shirttail Canyon; 3.5 miles north of Yankee Jim. Comment
  UCD36649  Poa secunda subsp. secunda Beecher Crampton 1955-6-15 2856 Placer 3 miles E of Weimar, head of Bunch Canyon, on Forest Hills Road, just off US Hwy 40. Comment
  UCD90792  Poa secunda subsp. secunda Beecher Crampton 1955-6-15 2860 Placer 3 miles east of Weimar, on Forest Hill Road, just off US Hwy 40. Comment
  CAS-BOT-BC170302  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax Comment
  CAS-BOT-BC170303  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax Comment
  POM86398  Polygala cornuta var. cornuta I. E. Diehl 1902-7-7 49 Placer Colfax Comment
  POM86556  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax. Comment
  UC868233  Polygala cornuta var. cornuta Marcus E. Jones, A. M. 1882-7-3 3316 Placer Colfax Comment
  CAS-BOT-BC109146  Polygonum bolanderi Rimo Bacigalupi 1952-7-19 3853 Placer Into the North Fork of the American River, below Cape Horn, 0.5 mile above bridge on the Colfax-Iowa Hill road. 381 Comment
  CAS-BOT-BC109147  Polygonum bolanderi G. L. Stebbins, Jr. 1952-6-22 5099 Placer Along southeast bank of American River, 1 mile northeast of bridge on Colfax-Iowa Hill road. 350 Comment
  JEPS14355  Polygonum bolanderi Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-19 3853 Placer peninsula jutting out into North Fork of the American River (below Cape Horn, 1/2 mi above bridge on Colfax-Iowa Hill road) 381 Comment
  RSA466396  Polygonum hydropiper Wm. Martin 1971-9-10 20225 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CAS-BOT-BC444012  Polypodium calirhiza George K. Helmkamp; Mary Alice Barnes 2013-4-18 20372 Placer Northern Sierra Nevada Mtns Foothills: Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax. 165 Comment
  RSA0039074  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20367 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  RSA0047901  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20372 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCR250342  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20367 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  UCR250652  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20372 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  JEPS14358  Polystichum imbricans subsp. imbricans Rimo Bacigalupi, et al. 1952-7-19 3854 Placer below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd.); N Fork American River 381 Comment
  RSA424599A  Prunella vulgaris var. lanceolata Wm. Martin 1971-9-10 20218 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  POM89355  Prunus emarginata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UC1128350  Prunus emarginata C. R. Clar 1933-5-11 116 Placer 3 mi e of Weimer 609 Comment
  UC1128496  Prunus subcordata J. E. Sowder, R. W. Lundh 1933-4-10 25 Placer North East Colfax Hill 853 Comment
  SD133933  Pseudobahia heermannii Barbara Ertter, David Thompson 1989-4-8 8165 Placer Iowa Creek Road, 2.0 miles from I-80 near entrance to Auburn State Recreation Area. 519 Comment
  UC1585835  Pseudobahia heermannii Barbara Ertter with David Thompson 1989-4-8 8165 Placer ca 2 mi from I-80 near entrance to, at creek crossing Auburn State Recreation Area; Iowa Creek Road Comment
  JEPS14031  Pseudognaphalium thermale Rimo Bacigalupi with G. L. Stebbins, D. Zohary, J. Hunziker, F. Ehrendorfer, A. Hawkes, H. Stutz 1952-7-19 3852 Placer below Cape Horn sta. on S.P RR (0.5 mi above bridge on Colfax-Iowa Hill road); North Fork of American River 381 Comment
  JEPS78940  Pseudognaphalium thermale Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Howard Stutz, Alex D. Hawkes, et al 1952-7-19 3852 Placer below Cape Horn sta. on S.P RR (0.5 mi above bridge on Colfax-Iowa Hill road); North Fork of American River 381 Comment
  CAS-BOT-BC45765  Quercus Saichi Kawahara 1969-5-24 838 Placer slope overlooking north fork of the American River. Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CAS-BOT-BC45768  Quercus Saichi Kawahara 1969-5-24 838 Placer slope overlooking north fork of the American River. Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  A344653  Quercus chrysolepis A. Eastwood 1894-9-10 22 Unknown Colfax Comment
  A344654  Quercus chrysolepis A. Eastwood 1894-9-10 14 Unknown Colfax Comment
  A344655  Quercus chrysolepis A. Eastwood 1894-9-10 15 Unknown Colfax Comment
  A344656  Quercus chrysolepis A. Eastwood 1894-9-10 16 Unknown Colfax Comment
  CAS-BOT-BC62426  Quercus chrysolepis Miss. A. Eastwood 1894-9-1 s.n. Placer Colfax Comment
  JEPS38082  Quercus chrysolepis H. L. Mason Placer Colfax Comment
  RSA252260  Quercus chrysolepis Gary D. Wallace 1974-12-21 1342 Placer Foothills of the Sierra Nevada, along a frontage road off Hwy. 80, 1 mi W of Colfax. Comment
  UC1135354  Quercus chrysolepis J. E. Sowder, R. W. Lundh 1933-4-18 47 Nevada w of Colfax; Colfax Quad. 640 Comment
  A343049  Quercus kelloggii A. Eastwood 1894-9-10 144 Unknown Colfax Comment
  CAS-BOT-BC105463  Quercus kelloggii Miss. A. Eastwood 1894-9-1 s.n. Placer Colfax Comment
  RSA476820  Quercus kelloggii Wm. Martin 1971-9-10 20203 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  RSA0042967  Ranunculus californicus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20352 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR250682  Ranunculus californicus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20352 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  RSA0037367  Ranunculus occidentalis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20371 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCD164622  Ranunculus occidentalis Brandi Sorensen 1995-6-1 3 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD41266  Ranunculus occidentalis Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1723 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UCR250359  Ranunculus occidentalis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20371 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCR218447  Rhamnus californica subsp. tomentella George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16422 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  UCD36677  Rhamnus crocea var. ilicifolia Beecher Crampton 1955-6-15 2871 Placer Placer County, Head of Bunch Canyon, 0.5 mile south of U.S. Highway 40. Comment
  UCD36696  Rhamnus ilicifolia Beecher Crampton 1955-6-15 2871 Placer Head of Bunch Canyon, 0.5 mile south of U.S. Highway 40. Comment
  UC1121923  Rhamnus rubra N. French 1933-5-19 61 Placer near Iowa Hill; Colfax Quad. 822 Comment
  UC870786  Rhamnus tomentella subsp. tomentella Marcus E. Jones, A. M. 1882-7-4 Placer Colfax Comment
  UCD113771  Rubus armeniacus G. L. Stebbins Jr. 1952-6-22 5094 Placer 2 miles southeast of Colfax. Abundant along American River, north of bridge on road to Iowa Hill. 350 Comment
  UCD114020  Rubus armeniacus G. L. Stebbins Jr. 1952-6-22 5095 Placer Along southeast bank of American River, 1/4 mile north of bridge of road to Iowa Hill, 2 miles southeast of Colfax. 350 Comment
  UCD89716  Rubus armeniacus Lindsay Clark 2008-6-20 CFX 17 Placer Stevens Trailhead parking lot in Colfax, off of N Canyon Way, just on the east side of I-80. 737 Comment
  UCD89719  Rubus armeniacus Lindsay Clark 2008-6-20 CFX 20 Placer Stevens Trail in Colfax, close to trailhead. 717 Comment
  POM366398  Rubus discolor Wm. Martin 1971-9-10 20214 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  RSA114764  Rubus ursinus G. L. Stebbins Jr. 1952-6-22 5095 Placer 2 miles southeast of Colfax. Along southeast bank of American River, 1/4 mile north of bridge of road to Iowa Hill. 351 Comment
  UCD164607  Rubus ursinus Brandi Sorensen 1995-6-1 25 Placer .73 kilometers northwest of Colfax. 671 Comment
  SEINET3860446  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2010-6-26 16404 Placer Sierra Nevada Mountains Foothills: Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way.; 0 591 Comment
  UCR218118  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2010-6-26 16404 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CAS-BOT-BC103061  Salix bonplandiana A. A. Heller 1917-6-19 12747 Placer 5 miles west of Colfax Comment
  CAS-BOT-BC103062  Salix bonplandiana A. A. Heller 1917-6-19 12747 Placer 5 miles west of Colfax Comment
  LA208830  Salix lasiandra A. A. Heller; 1917-6-19 12747 Placer 5 mi. W of Colfax Comment
  A383545  Salix lasiolepis A. Eastwood 1922-4-6 11125 Unknown Colfax Comment
  CAS-BOT-BC107383  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 s.n. Placer Colfax Comment
  CAS-BOT-BC128474  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 11125 Placer Colfax Comment
  RSA31128  Salix lucida subsp. lasiandra A. A. Heller 1917-6-19 12747 Placer 5 miles W of Colfax. Comment
  RSA477526  Sambucus caerulea Wm. Martin 1971-9-10 20240 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CAS-BOT-BC223279  Sanicula bipinnatifida Alice Eastwood 1912-6-28 497 Placer Colfax Comment
  CAS-BOT-BC223280  Sanicula bipinnatifida Alice Eastwood 1912-6-28 497 Placer Colfax Comment
  POM83023  Sanicula bipinnatifida Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  UC420483  Sanicula bipinnatifida C. F. Sonne 1891-5-17 1465 Placer Colfax Comment
  JEPS82987  Saxifraga G. L. Stebbins 1970-4-4 6990 Placer 1/2 mi e of crossing of North Fork (American River, on road from Colfax to Forest Hill); Shirttail Canyon, American River 457 Comment
  JEPS82983  Saxifraga californica Patrick Elvander 1984-4-2 1022 Placer 5.1 mi on Yankee Jim Road from junction with Canyon Way (between Colfax and Foresthill off I-80); North Fork American River 1219 Comment
  JEPS82984  Saxifraga californica Patrick Elvander 1984-4-2 1023 Placer 5.3 mi on Yankee Jim Road from junction with Canyon Way (between Colfax and Foresthill off I-80); North Fork American River 1219 Comment
  JEPS82986  Saxifraga californica G. L. Stebbins 1970-4-4 6989 Placer 1/2 mi e of crossing of North Fork (American River, Shirttail Canyon, on road from Colfax to Forest Hill); American River, Shirttail Canyon 457 Comment
  UCD102829  Saxifraga californica G. L. Stebbins 1970-4-4 6988 Placer Shirttail Canyon, on road from Colfax to Forest Hill, ca. 1/2 mile east of crossing of North Fork American River. 457 Comment
  UCR250648  Saxifraga californica George K. Helmkamp, Mary Alice Barnes 2013-4-18 20376 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  JEPS82985  Saxifraga ferruginea G. L. Stebbins 1970-4-4 6988 Placer 1/2 mi e of North Fork American River (Shirttail Canyon, on road to Colfax to Forest Hill); Shirttail Canyon 457 Comment
Read comments
Oct 6 2009
  JEPS127401  Scandix pecten-veneris Steve Matson 2006-4-23 1606 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCD125715  Scutellaria californica C. J. W. 1913-6-26 120 Placer Colfax. Comment
  UCD38473  Scutellaria californica Beecher Crampton 1955-6-15 2868 Placer Head of Bunch Canyon. Comment
  UCR146855  Scutellaria californica Beecher Crampton 1955-6-15 2868 Placer Sierra Nevada Mountains, head of Bunch Canyon, 3.5 mi. east of Weimar on road to Foresthill, 0.5 mi. south of US Hwy 40 671 Comment
  UCD102066  Sedum spathulifolium J. F. Addicott 1965-5-4 80 Placer 1 mile from Colfax on road to Owl Hill. 609 Comment
  UCD41269  Sedum spathulifolium Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1725 Placer East of Hwy 80 and town of Colfax, western side of canyon of North Fork of the American River. Along Iowa Hill Road, about 1.8 road miles east of intersection with Canyon Way in Colfax. 518 Comment
  UCD55219  Setaria viridis A. M. Shapiro 2006-8-1 s.n. Placer Colfax; waste ground near railroad tracks. Comment
  POM84039  Sidalcea hartwegii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  RSA305931  Silene californica Fay A. MacFadden 1934-3-31 12424 Placer Hillsides near Colfax. Comment
  UC196791  Silene californica C. F. Sonne 1891-5-17 Placer Colfax Comment
  UCR250344  Silene californica George K. Helmkamp, Mary Alice Barnes 2013-4-18 20365 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  UCD164612  Silene laciniata subsp. californica Brandi Sorensen 1995-6-1 19 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD98954  Silene laciniata subsp. californica J. F. Addicott 1965-4-16 55 Placer on east side of Interstate Highway 80, 0.3 mile north of Colfax. 731 Comment
  UC1125021  Solanum umbelliferum N. French 1933-5-16 55 Placer 3 mi se of Weimer 609 Comment
  UCD93121  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8158 Placer 1.5 miles W of Weimar, near Heather Glen, Interstate Hwy. 80 W. 579 Comment
  CAS-BOT-BC87768  Streptanthus tortuosus Saichi Kawahara 1969-5-24 836 Placer Slope overlooking the north fork of the American River. Colfax-Iowa Hill Road between Dinner Hill and Windy Point. 585 Comment
  CAS-BOT-BC245859  Symphoricarpos Saichi Kawahara 1969-5-24 837 Placer Slope overlooking the north fork of the American River on the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCD137429  Symphoricarpos mollis Beecher Crampton 1955-6-15 2879 Placer Bunch Canyon. Comment
  JEPS127406  Tauschia hartwegii Steve Matson 2006-4-23 1602 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  POM82681  Tauschia kelloggii Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  SEINET5779710 Image available Tauschia kelloggii Marcus E. Jones 1882-1 Placer Colfax Comment
  RSA0039268  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20338 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SD248366  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20338 Placer Northern Sierra Nevada MountainsFoothills: Yankee Jim Road, 0.9 mile east of its juncton with Canyon Way, 4.4 miles SE (167a^z) of Colfax (Colfax 7.5'Q) 561 Comment
  UCD41259  Thysanocarpus curvipes Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1716 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UCR250189  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20338 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UCR250334  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20356 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  UCR218125  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16398 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR218129  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16381 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR218236  Torilis arvensis George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16443 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  UCR218468  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2010-6-26 16389 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  JEPS127403  Trifolium hirtum Steve Matson 2006-4-23 1599 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCD38472  Trifolium microcephalum Beecher Crampton 1955-6-15 2870 Placer Head of Bunch Canyon. 0.5 miles south of US Hwy. 40. Forest Hill Road. Comment
  UCD38467  Trifolium obtusiflorum Beecher Crampton 1955-6-15 2885 Placer Bunch Canyon, 3 miles south of US Hwy. 40, Forest Hill Road. Comment
  UCD109433  Trifolium variegatum R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax. Comment
  UCD109434  Trifolium variegatum R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax. Comment
  UCR250346  Trifolium willdenovii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20363 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  RSA0039075  Trifolium wormskioldii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20363 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  UCD139889  Trillium angustipetalum Amelie Blyth 1952-5-11 9- 6 Placer on Iowa Hill-Colfax road about 4 miles from Iowa Hill. Comment
  UCD93628  Trisetum canescens 1952-6-22 5103 El Dorado 2 miles northeast of bridge on Colfax-Iowa Hill Road. 350 Comment
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Nov 9 2015
  UCD93629  Trisetum canescens 1952-6-22 5103 El Dorado 2 miles northeast of bridge on Colfax-Iowa Hill Road. 350 Comment
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Nov 9 2015
  UCD93630  Trisetum canescens 1952-6-22 5103 El Dorado 2 miles northeast of bridge on Colfax-Iowa Hill Road. 350 Comment
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Nov 9 2015
  UCR218119  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2010-6-26 16396 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR250447  Triteleia ixioides subsp. scabra George K. Helmkamp, Mary Alice Barnes 2013-4-18 20360 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  SEINET3860289  Umbellularia californica George K. Helmkamp, Mary Alice Barnes; Mary Jane Ganibe 2010-7-2 16419 Placer Sierra Nevada Mountains Foothills: Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE of Calfax.; 0 412 Comment
  UC1126324  Umbellularia californica J. E. Sowder 1933-4-27 57 Placer 1 mi e of Colfax 457 Comment
  UCD164642  Umbellularia californica Brandi Sorensen 1995-5-17 s.n. Placer .73 kilometers northwest of Colfax. 671 Comment
  UCR218450  Umbellularia californica George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16419 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  RSA426392  Verbascum blattaria Wm. Martin 1971-9-10 20216 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  POM44469  Verbascum thapsus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCD164640  Vicia benghalensis Brandi Sorensen 1995-6-1 22 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD164647  Vicia sativa Brandi Sorensen 1995-5-17 20 Placer .73 kilometers northwest of Colfax. 671 Comment
  RSA0035675  Vicia sativa subsp. nigra George K. Helmkamp, Mary Alice Barnes 2013-4-18 20343 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR250651  Vicia sativa subsp. nigra George K. Helmkamp, Mary Alice Barnes 2013-4-18 20373 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCR250889  Vicia sativa subsp. nigra George K. Helmkamp, Mary Alice Barnes 2013-4-18 20343 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  UCD164617  Vinca major Brandi Sorensen 1995-5-17 8 Placer .73 kilometers northwest of Colfax. 671 Comment
  OBI75815  Vitis californica Unknown 1882-7-4 s.n. Placer Colfax Comment
  POM84591  Vitis californica Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  UCD142924  Vitis californica H. Olmo 1934-10-27 s.n. Placer 0.5 miles south of Colfax. Comment
  UCD17107  Vitis californica H. Olmo 1934-10-27 s.n. Placer 0.5 miles S of Colfax. Comment
  UCD17126  Vitis californica H. Olmo 1934-10-27 s.n. Placer 0.5 miles S of Colfax. Comment
  UCD17128  Vitis californica H. Olmo 1934-10-27 s.n. Placer 0.5 miles S of Colfax. Comment
  UCD17131  Vitis californica H. Olmo 1934-10-27 s.n. Placer 0.5 miles S of Colfax. Comment
  UCD17545  Vitis californica H. Olmo 1934-10-27 s.n. Placer Colfax. Comment
  UCD60311  Vitis californica H. Olmo 1934-10-27 s.n. Placer 0.5 miles S of Colfax. Comment
  UCD60315  Vitis californica H. Olmo 1934-10-27 s.n. Placer 0.5 miles S of Colfax. Comment
  UCD60316  Vitis californica H. Olmo 1934-10-27 s.n. Placer 0.5 miles S of Colfax. Comment
  SACT002568  Vulpia myuros var. hirsuta Michael Baad 1983-5-5 Placer 1.2 mile southeast of Canyon Way Road on Yankee Jim Road Comment
  SACT002570  Vulpia myuros var. hirsuta Michael Baad 1983-5-5 Placer 1 mile north of Placer Hills Road on Milk Ranch Road. 2miles from Colfax. Open hillside northfacing slope. 606.0 Comment



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