Search Results — 1315 specimen records retrieved (1305 records with coordinates)
Results for search: County=NEVADA; Source=All; Collector=Helmkamp;   

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC226234  Poterium sanguisorba G. K. Helmkamp; E. A. Helmkamp 2011-5-26 17393 Nevada Northern Sierra Nevada Mountains Foothills: SE of Grass Valley, 0.2 mile south of CA-174 at the junction of Meadow View Road and Peardale Road 834 Comment
  CAS-BOT-BC226236  Vicia villosa G. K. Helmkamp; E. A. Helmkamp 2011-5-26 17384 Nevada Northern Sierra Nevada Mountains Foothills: SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  CAS-BOT-BC226811  Madia glomerata George K. Helmkamp; E. A. Helmkamp 2011-7-26 17867 Nevada Northern Sierra Nevada Mountains: along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  CAS-BOT-BC227839  Trifolium dubium G. K. Helmkamp; E. A. Helmkamp 2011-5-26 17385 Nevada Northern Sierra Nevada Mountains Foothills: SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  CAS-BOT-BC227843  Galium aparine G. K. Helmkamp; E. A. Helmkamp 2011-5-26 17386 Nevada Northern Sierra Nevada Mountains Foothills: SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  CAS-BOT-BC227844  Madia elegans G. K. Helmkamp; E. A. Helmkamp 2011-5-26 17380 Nevada Northern Sierra Nevada Mountains Foothills: SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  CAS-BOT-BC228553  Cytisus scoparius G. K. Helmkamp; E. A. Helmkamp 2011-5-26 17388 Nevada Northern Sierra Nevada Mountains Foothills: SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  CAS-BOT-BC228555  Salix laevigata G. K. Helmkamp; E. A. Helmkamp 2011-5-26 17394 Nevada Northern Sierra Nevada Mountains Foothills: SE of Grass Valley, 0.2 mile south of CA-174 at the junction of Meadow View Road and Peardale Road 834 Comment
  CAS-BOT-BC249055  Symphyotrichum spathulatum var. spathulatum George K. Helmkamp; E. A. Helmkamp 2010-8-26 16834 Nevada Northern Sierra Nevada Mountains: South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  CAS-BOT-BC249068  Deschampsia elongata George K. Helmkamp; E. A. Helmkamp 2012-6-13 19174 Nevada Northern Sierra Nevada Mountains Foothills: Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  CAS-BOT-BC257634  Nemophila pedunculata George K. Helmkamp; E. A. Helmkamp 2011-6-9 17518 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  CAS-BOT-BC257798  Aspidotis densa George K. Helmkamp; E. A. Helmkamp 2012-6-13 19205 Nevada Northern Sierra Nevada Mountains Foothills: Maybert Road along South Yuba River, 0.6 mi. northeast of the river bridge at Washington 796 Comment
  CAS-BOT-BC334218  Symphyotrichum eatonii George K. Helmkamp; E. A. Helmkamp 2012-9-25 19936 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 0.1 mile S of the bridge over the South Fork Yuba River 1424 Comment
  CAS-BOT-BC334219  Paspalum dilatatum George K. Helmkamp; E. A. Helmkamp 2012-10-5 19990 Nevada Northern Sierra Nevada Mountains: Foothills. Fiddletown Road, 1.5 miles W of Fiddletown 466 Comment
  CAS-BOT-BC434184  Plagiobothrys nothofulvus George K. Helmkamp; Elizabeth Helmkamp 2013-4-13 20306 Nevada Northern Sierra Nevada Mountains Foothills: Magnolia Road, 3.0 miles east of its junction with CA-49. 495 Comment
  CAS-BOT-BC434185  Draba verna George K. Helmkamp; Elizabeth Helmkamp 2013-4-13 20314 Nevada Northern Sierra Nevada Mountains Foothills: Magnolia Road, 3.0 miles east of its junction with CA-49. 495 Comment
  CAS-BOT-BC444015  Lupinus bicolor George K. Helmkamp; Elizabeth Helmkamp 2013-4-13 20325 Nevada Northern Sierra Nevada Mountains Foothills: Wolf Road, 1.6 miles northwest of its junction with CA-49. 123 Comment
  CAS-BOT-BC520349  Alisma lanceolatum George K. Helmkamp; E. A. Helmkamp 2012-10-9 20002 Nevada Northern Sierra Nevada Mountains Foothills: Higgins Corner, Combie Road, 0.1 mi E of jct with CA-49, between Auburn and Grass Valley 445 Comment
  CAS-BOT-BC520358  Galium parisiense George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20716 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  CAS-BOT-BC520359  Linum bienne George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20717 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  CAS-BOT-BC520360  Acmispon americanus var. americanus George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20724 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  CAS-BOT-BC520361  Viola lobata var. lobata George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20727 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 1.6 mi NE of Pine Flat Way, N of Scotts Flat Reservoir 1188 Comment
  CAS-BOT-BC520362  Vicia americana George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20744 Nevada Northern Sierra Nevada Mountains Foothills: along Scotts Flat Road, 0.7 mi SW of jct with CA-20, NE of Nevada City, NW of Scotts Flat Reservoir 1091 Comment
  CAS-BOT-BC520363  Clarkia stellata George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20749 Nevada Northern Sierra Nevada Mountains Foothills: along Scotts Flat Road, 0.7 mi SW of jct with CA-20, NE of Nevada City, NW of Scotts Flat Reservoir 1091 Comment
  CAS-BOT-BC523893  Leontodon saxatilis subsp. longirostris George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20715 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 2.5 mi W of CA-49 in Grass Valley 623 Comment
  CAS-BOT-BC523894  Lupinus polyphyllus var. burkei George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20745 Nevada Northern Sierra Nevada Mountains Foothills: along Scotts Flat Road, 0.7 mi SW of its jct with CA-20, NE of Neevada City, NW of Scotts Flat Reservoir 1091 Comment
  CAS-BOT-BC526865  Taeniatherum caput-medusae George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20720 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  CAS-BOT-BC526866  Calycadenia oppositifolia George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20722 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  CAS-BOT-BC526867  Aegilops triuncialis George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20723 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  CAS-BOT-BC526868  Festuca occidentalis George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20729 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 1.6 mi NE of Pine Flat Way, N of Scotts Flat Reservoir 1188 Comment
  CAS-BOT-BC526869  Elymus glaucus var. glaucus George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20730 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 1.6 mi NE of Pine Flat Way, N of Scotts Flat Reservoir 1188 Comment
  CDA7123  Polygonum arenastrum G. K. Helmkamp, E. A. Helmkamp 2006-10-1 11511 Nevada Northern Sierra Nevada Mountains Foothills; Along Highway CA-49, 10.4 miles north of the crossing of the South Yuba River. Comment
  CHSC118010  Madia citriodora G. K Helmkamp; E. A Helmkamp 2008-9-18 14122 Nevada Foothills, northern Sierra Nevada Mountains. Tyler-Foote Road 5.0 miles northeat of the junction with CA-49. 777 Comment
  HSC104236  Epilobium ciliatum subsp. ciliatum G. K. Helmkamp, E. A. Helmkamp 2012-10-16 20025 Nevada Sierra Nevada Mountains Foothills: Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air mi. SE of Higgins Corner 445 Comment
  JEPS119431  Madia citrigracilis G. K. Helmkamp, E. A. Helmkamp 2011-7-17 17763 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale Comment
  JEPS119432  Madia gracilis G. K. Helmkamp, E. A. Helmkamp 2011-6-9 17510 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3 miles north of its junction with Grizzly Hill Road, generally north of North Columbia. Comment
  JEPS119442  Madia gracilis George K. Helmkamp with E. A. Helmkamp 2011-5-26 17398 Nevada nSNF: southeast outskirts of Grass Valley, Brunswick Road, 0.2 miles northwest of the junction with Wood Rose Way. Comment
  JEPS119449  Madia elegans subsp. elegans George K. Helmkamp with E. A. Helmkamp 2011-5-26 17380 Nevada Northern Sierra Nevada Mountains Foothills: SE of Gras Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River. Comment
  JEPS119451  Madia subspicata George K. Helmkamp 2011-5-26 17379 Nevada Northern Sierra Nevada Foothills: SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of bridge over Bear River. Comment
  JEPS119455  Madia exigua George K. Helmkamp with E. A. Helmkamp 2011-7-17 17747 Nevada Northern Sierra Nevada Mountains Foothills: Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run. Comment
  JEPS119456  Madia exigua George K. Helmkamp with E. A. Helmkamp 2011-7-17 17746 Nevada Northern Sierra Nevada Mountains Foothills; Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run. Comment
  JEPS119458  Madia gracilis George K. Helmkamp 2011-6-2 17441 Nevada Northern Sierra Nevada Mountains Foothills Lake Wildwood, along Pleasant Valley Road, 1.2 miles north of its junction with CA-20 Comment
  JEPS119461  Madia exigua George K. Helmkamp with E. A. Helmkamp 2012-6-13 19160 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 2.6 miles north of its junction with CA-20 Comment
  JEPS119472  Madia gracilis George K. Helmkamp with E. A. Helmkamp 2011-9-30 18362 Nevada n SNH: small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road. Comment
  JEPS119474  Madia glomerata George K. Helmkamp with E. A. Helmkamp 2011-7-26 17867 Nevada nSNH: along CA Hwy 20, 0.8 mi east of Bowman Lake Road, 1.23 mi NE of Emigrant Gap and 0.35 mi N of I-80. Comment
  RSA0012001  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp 2010-8-26 16860 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg.) of Kingvale 1921 Comment
  RSA0012010  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2010-8-26 16854 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg.) of Kingvale 1921 Comment
  RSA0012011  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2010-8-26 16855 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg.) of Kingvale 1921 Comment
  RSA0012013  Apocynum androsaemifolium George K. Helmkamp, E. Helmkamp 2010-8-26 16859 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg ) of Kingvale 1921 Comment
  RSA0012014  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2010-8-26 16862 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg.) of Kingvale 1921 Comment
  RSA0012015  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-8-26 16848 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg.) of Kingvale 1921 Comment
  RSA0012016  Anaphalis margaritacea George K. Helmkamp, E. A. Helmkamp 2010-8-26 16849 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg.) of Kingvale. 1921 Comment
  RSA0012017  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2010-8-26 16826 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA0012018  Solidago altissima George K. Helmkamp, E. A. Helmkamp 2010-8-26 16826 -A Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA0012019  Penstemon parvulus George K. Helmkamp, E. A. Helmkamp 2010-8-26 16828 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA0012020  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 2010-8-26 16829 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA0012021  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2010-8-26 16830 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA0012022  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2010-8-26 16831 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg ) of Cisco. 1634 Comment
  RSA0012023  Aster integrifolius George K. Helmkamp, E. A. Helmkamp 2010-8-26 16824 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA0012024  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2011-6-2 17446 Nevada 2 miles SW (241 deg ) of French Corral, Pleasant Valley Road just south of the bridge over the South Fork of the Yuba River 180 Comment
  RSA0012025  Psilocarphus tenellus var. tenellus George K. Helmkamp, E. A. Helmkamp 2011-6-2 17445 Nevada 2 miles SW (241deg.) of French Corral, Pleasant Valley Road just south of the bridge over the South Fork of the Yuba River 180 Comment
  RSA0012027  Aster breweri George K. Helmkamp, E. A. Helmkamp 2010-8-26 16857 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg.) of Kingvale. 1921 Comment
  RSA0012028  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2010-8-26 16853 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg ) of Kingvale 1921 Comment
  RSA0012029  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2010-8-26 16852 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg ) of Kingvale 1921 Comment
  RSA0012030  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2010-8-26 16851 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg ) of Kingvale 1921 Comment
  RSA0012031  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2010-8-26 16838 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA0012086  Navarretia leucocephala subsp. minima George K. Helmkamp, E. A. Helmkamp 2011-7-26 17873 Nevada along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg.) of Emigrant Gap and 0.35 mi. N of I-80. 1541 Comment
  RSA0012125  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-8-26 16864 Nevada Eagle Lakes Road, about 0.5 mile west of its junction with Carlyle Road, 5.8 mi. NE (66 ) of Emigrant Gap, N of I-80 1655 Comment
  RSA0012126  Aster integrifolius George K. Helmkamp, E. A. Helmkamp 2010-8-26 16865 Nevada Eagle Lakes Road, about 0.5 mile west of its junction with Carlyle Road, 5.8 mi. NE (66 deg.) of Emigrant Gap, N of I-80 1655 Comment
  RSA0012127  Lupinus polyphyllus var. burkei George K. Helmkamp, E. A. Helmkamp 2010-8-26 16866 Nevada Eagle Lakes Road, about 0.5 mile west of its junction with Carlyle Road, 5.8 mi. NE (66 deg ) of Emigrant Gap, N of I-80 1655 Comment
  RSA0012128  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2010-8-26 16867 Nevada Eagle Lakes Road, about 0.5 mile west of its junction with Carlyle Road, 5.8 mi. NE (66deg.) of Emigrant Gap, N of I-80 1655 Comment
  RSA0012129  Perideridia lemmonii George K. Helmkamp, E. Helmkamp 2010-8-26 16861 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg ) of Kingvale 1921 Comment
  RSA0012144  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2010-8-26 16863 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg.) of Kingvale 1921 Comment
  RSA0012161  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2011-7-17 17764 Nevada You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg.) of Peardale 686 Comment
  RSA0013394  Navarretia leucocephala subsp. minima George K. Helmkamp, E. A. Helmkamp 2011-7-26 17877 Nevada along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg.) of Emigrant Gap and 0.35 mi. N of I-80. 1541 Comment
  RSA0013395  Mimulus torreyi George K. Helmkamp, E. A. Helmkamp 2011-7-26 17874 Nevada along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg.) of Emigrant Gap and 0.35 mi. N of I-80. 1541 Comment
  RSA0016148  Ribes roezlii var. roezlii George K. Helmkamp, E. A. Helmkamp 2008-8-20 14038 Nevada Donner Pass Road north of and parallel to US-80 beside South Yuba River and just east of Kingvale. 1860 Comment
  RSA0025305  Perideridia parishii subsp. latifolia George K. Helmkamp, E. Helmkamp 2007-7-27 12600 Nevada Bowman Lake Road, 3.9 miles north of its junction with CA-20. In the vicinity of Fuller Lake. 1668 Comment
  RSA0028472  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17430 Nevada Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  RSA0036005  Draba verna George K. Helmkamp, Elizabeth A. Helmkamp 2013-4-13 20314 Nevada Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  RSA0043196  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2011-6-9 17518 Nevada Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River. 878 Comment
  RSA0045228  Croton setiger George K. Helmkamp, E. A. Helmkamp 2006-10-10 11519 Nevada along Calif. Hwy 49, 5.8 miles NNW of Nevada City 750 Comment
  RSA0053697  Mimulus guttatus G. K. Helmkamp, E. A. Helmkamp 2012-9-25 19937 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 0.1 mile south of the bridge over the South Fork Yuba River. 1424 Comment
  RSA0053698  Solidago canadensis subsp. elongata G. K. Helmkamp, E. A. Helmkamp 2012-9-25 19933 Nevada Northern Sierra Nevada Mountains Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  RSA0053699  Chrysothamnus nauseosus subsp. albicaulis G. K. Helmkamp, E. A. Helmkamp 2012-9-25 19928 Nevada Northern Sierra Nevada Mountains Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  RSA0053707  Aster eatonii G. K. Helmkamp, E. A. Helmkamp 2012-9-25 19936 Nevada Northern Sierra Nevada Mountains Bowman Lake Road, 0.1 mile south of the bridge over the South Fork Yuba River 1424 Comment
  RSA0053708  Elymus cinereus G. K. Helmkamp, E. A. Helmkamp 2012-9-25 19931 Nevada Northern Sierra Nevada Mountains Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  RSA0057868  Baccharis pilularis George K. Helmkamp, Elizabeth A. Helmkamp 2013-10-10 22392 Nevada junction of Combie Road and Timber Ridge Dr. southeast of Higgins Corner near Lake of the Pines 456 Comment
  RSA0078601  Sedum spathulifolium George K. Helmkamp, E. A. Helmkamp 2011-6-9 17521 Nevada Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River. 878 Comment
  RSA0085001  Streptanthus tortuosus subsp. truei George K. Helmkamp, E. A. Helmkamp 2011-6-9 17516 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra County line/Middle Yuba River. 878 Comment
  RSA0093481  Mentha canadensis George K. Helmkamp, E. A. Helmkamp 2012-10-8 19998 Nevada Northern Sierra Nevada Mountains Foothills. Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley. 445 Comment
  RSA0093482  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2012-10-8 19999 Nevada Northern Sierra Nevada Mountains Foothills. Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley. 445 Comment
  RSA0093486  Hemizonia fitchii George K. Helmkamp, E. A. Helmkamp 2012-10-8 19991 Nevada Northern Sierra Nevada Mountains Foothills. Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley. 445 Comment
  RSA0094869  Cedrus deodara George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20030 Nevada Sierra Nevada Mountains Foothills. Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg ) of Higgins Corner. 445 Comment
  RSA0107827  Geranium dissectum George K. Helmkamp 2014-4-17 22750 Nevada Sierra Nevada Mountains Foothills: 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120. 438 Comment
  RSA0115334  Plantago major George K. Helmkamp, E. A. Helmkamp 2012-10-9 20012 Nevada Northern Sierra Nevada Mountains Foothills: Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley. 445 Comment
  RSA653139  Cryptogramma acrostichoides George K. Helmkamp, E. A. Helmkamp 1999-6-30 5079 Nevada Northern Sierra Nevada Range, Tahoe National Forest, Donner Pass Road, 2.2 miles west of Lake Donner. 1997 Comment
  RSA725803  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2006-8-14 11233 Nevada Northern Sierra Nevada Mtns.: just south of I-80 on Lake Valley Rd 535 Comment
  RSA739841  Plagiobothrys scouleri var. hispidulus George K. Helmkamp, E. Helmkamp 2007-6-12 12344 Nevada Northern Sierra Nevada Mtns.: Bowman Lake Rd. 0.6 miles N of Hwy CA-20, at the border of Placer Co. 1387 Comment
  RSA750420  Madia citriodora George K. Helmkamp, E. A. Helmkamp 2008-9-18 14122 Nevada Tyler-Foote Road 5.0 miles northeast of the junction with CA-49 777 Comment
  RSA751265  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2008-8-20 14037 Nevada Donner Pass Road north of and parallel to US-80 beside South Yuba River and just east of Kingvale. 1860 Comment
  RSA781382  Juncus oxymeris George K. Helmkamp, E. A. Helmkamp 2007-5-26 12111 Nevada Tyler Foote Crossing Road, 1.0 mile northeast of CA-49 622 Comment
  RSA781957  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2007-7-27 12621 Nevada Bowman Lake Road, 9.9 miles north of its junction with CA-20 1774 Comment
  RSA781958  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2007-8-1 12664 Nevada near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  RSA789800  Navarretia leucocephala subsp. minima George K. Helmkamp, E. A. Helmkamp 2011-7-26 17877 Nevada along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg.) of Emigrant Gap and 0.35 mi. N of I-80. 1541 Comment
  RSA790109  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17878 Nevada along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg.) of Emigrant Gap and 0.35 mi. N of I-80. 1541 Comment
  RSA791383  Aspidotis densa George K. Helmkamp, E. A. Helmkamp 2012-6-13 19205 Nevada Northern Sierra Nevada Mountains Foothills: Maybert Road along South Yuba River, 0.6 mi northeast of the river bridge at Washington. 796 Comment
  RSA791415  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19164 Nevada Northern Sierra Nevada Mountains Foothills: Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  RSA792000  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2012-6-13 19202 Nevada Northern Sierra Nevada Mountains Foothills: Maybert Road along South Yuba River, 0.6 miles northeast of the river bridge at Washington. 796 Comment
  RSA792066  Coreopsis lanceolata George K. Helmkamp, E. A. Helmkamp 2012-6-13 19199 Nevada Northern Sierra Nevada Mountains Foothills: village of Washington, Relief Hill Road, 0.4 miles north of its junction with Maybert Road and northeast of the bridge over the South Yuba River. 790 Comment
  RSA794532  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-7-17 17754 Nevada You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg.) of Peardale 686 Comment
  RSA794533  Polygala cornuta var. cornuta George K. Helmkamp, E. A. Helmkamp 2011-7-17 17748 Nevada Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 ) of Gold Run 867 Comment
  RSA794534  Madia exigua George K. Helmkamp, E. A. Helmkamp 2011-7-17 17747 Nevada Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg,) of Gold Run 867 Comment
  RSA794535  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2011-7-17 17757 Nevada You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg.) of Peardale 686 Comment
  RSA794536  Chlorogalum pomeridianum var. pomeridianum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17750 Nevada You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg ) of Peardale 686 Comment
  RSA794537  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2011-7-17 17751 Nevada You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95deg.) of Peardale 686 Comment
  RSA794538  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17752 Nevada You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg.) of Peardale 686 Comment
  RSA794539  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2011-7-17 17741 Nevada Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg ) of Gold Run 867 Comment
  RSA794540  Madia citrigracilis George K. Helmkamp, E. A. Helmkamp 2011-7-17 17746 Nevada Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg ) of Gold Run 867 Comment
  RSA794541  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17744 Nevada Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg.) of Gold Run 867 Comment
  RSA794586  Eriogonum umbellatum var. polyanthum George K. Helmkamp, E. A. Helmkamp 2010-8-26 16837 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA794587  Ageratina occidentalis George K. Helmkamp, E. A. Helmkamp 2010-8-26 16836 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg ) of Cisco. 1634 Comment
  RSA794588  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2010-8-26 16835 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA794589  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2010-8-26 16834 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA794590  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-8-26 16833 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA794591  Gnaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2010-8-26 16832 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg ) of Cisco. 1634 Comment
  RSA794592  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2010-8-26 16846 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg.) of Kingvale 1921 Comment
  RSA794593  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2010-8-26 16845 Nevada Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg.) of Kingvale 1921 Comment
  RSA794594  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2010-8-26 16842 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg.) of Cisco. 1634 Comment
  RSA794690  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17738 Nevada Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg ) of Gold Run 867 Comment
  RSA794864  Taeniatherum caput-medusae George K. Helmkamp, E. A. Helmkamp 2011-6-2 17432 Nevada Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  RSA794870  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-6-2 17431 Nevada Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  RSA794871  Lomatium marginatum var. marginatum George K. Helmkamp, E. Helmkamp 2011-6-2 17429 Nevada Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  RSA794893  Cytisus scoparius George K. Helmkamp, E. A. Helmkamp 2011-7-17 17743 Nevada Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg ) of Gold Run 867 Comment
  RSA794895  Polystichum imbricans George K. Helmkamp, E. A. Helmkamp 2011-6-9 17522 Nevada Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  RSA794916  Alisma plantago-aquatica George K. Helmkamp, E. A. Helmkamp 2011-7-17 17795 Nevada You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg ) of Peardale 778 Comment
  RSA794917  Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2011-7-17 17789 Nevada You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg ) of Peardale 778 Comment
  RSA794918  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2011-7-17 17784 Nevada You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg ) of Peardale 778 Comment
  RSA795037  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2011-6-9 17527 Nevada Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River. 878 Comment
  RSA795038  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-6-9 17524 Nevada Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  RSA795039  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2011-6-9 17523 Nevada Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  RSA795041  Silene californica George K. Helmkamp, E. A. Helmkamp 2011-6-9 17528 Nevada Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  RSA795043  Hypochaeris radicata George K. Helmkamp, E. A. Helmkamp 2011-7-17 17755 Nevada You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg ) of Peardale 686 Comment
  RSA795113  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2011-6-2 17449 Nevada 2.25 miles SW (226 deg ) of French Corral, along Pleasant Valley Road, 1.1 miles south of its crossing of the South Fork Yuba River 255 Comment
  RSA795114  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2010-8-26 16843 Nevada South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg ) of Cisco 1634 Comment
  RSA795180  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-6-9 17519 Nevada Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River. 878 Comment
  RSA795181  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2011-6-9 17518 -A Nevada Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River. 878 Comment
  RSA795183  Lewisia cantelovii George K. Helmkamp, E. A. Helmkamp 2011-6-9 17517 Nevada Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  SBBG123105  Calyptridium monospermum G. K. Helmkamp with E. A. Helmkamp 2007-6-12 12337 Nevada Spaulding Lake Rd, 0.3 mi N of jct with Hwy 20 1604 Comment
  SBBG123112  Potentilla gracilis var. fastigiata G. K. Helmkamp with E. A. Helmkamp 2006-6-12 12351 Nevada Bowman Lake Rd 0.6 mi N of Hwy 20 at border of Placer County 1387 Comment
  SBBG128648  Heuchera micrantha G. K. Helmkamp, E. A. Helmkamp 2011-6-9 17523 Nevada Tyler Foote Crossing Rd, 3.3 mi N of its jct with Grizzly Hill Rd, NE of N Columbia near the Sierra Co line/Middle Yuba River 878 Comment
  SBBG128973  Pseudognaphalium thermale G. K. Helmkamp, E. A. Helmkamp 2010-8-26 16832 Nevada S Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) N of Hampshire Rocks Rd and I-80, 1 mi NNW (351 deg) of Cisco 1634 Comment
  SBBG128979  Acmispon nevadensis var. nevadensis G. K. Helmkamp, E. A. Helmkamp 2010-8-26 16831 Nevada S Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) N of Hampshire Rocks Rd and I-80, 1 mi NNW (351 deg) of Cisco 1634 Comment
  SBBG128980  Clarkia purpurea subsp. quadrivulnera G. K. Helmkamp, E. A. Helmkamp 2011-6-2 17449 Nevada 2.25 mi SW (226 deg ) fo French Corral, along Pleasant Valley Rd, 1.1 mi S of its corssing of the S Fork Yuba River 255 Comment
  SD146125  Cryptogramma cascadensis G. K. Helmkamp, E. A. Helmkamp 1999-6-30 5079 Nevada Northern Sierra Nevada: Tahoe National Forest, Donner Pass Road (=Hwy 40), 2.2 miles west of Lake Donner 1997 Comment
  SD146152  Collinsia parviflora G. K. Helmkamp 1999-6-30 5098 Nevada Northern Sierra Nevada Range: Truckee, 1-2 mi. E of Donner Lake, damp meadow in pine forest 1540 Comment
  SD146239  Phacelia marcescens G. K. Helmkamp 1999-6-30 5103 Nevada Northern Sierra Nevada Range: Truckee, 1-2 miles east of Donner Lake. 1540 Comment
  SD146336  Streptanthus tortuosus var. orbiculatus G. K. Helmkamp, E. A. Helmkamp 1999-6-30 5089 Nevada Northern Sierra Nevada Range: Tahoe Mat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner 1997 Comment
  SD212609  Lupinus albifrons var. collinus G. K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10416 Nevada Along CA Highway 49, 2.1 miles north of the South Yuba River bridge. 534 Comment
  SD212629  Vicia villosa subsp. villosa G. K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10381 Nevada Cedarsong Road, 0.1 mile northeast of CA Highway 49. 637 Comment
  SD212711  Ceanothus tomentosus G. K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10378 Nevada Cedarsong Road, 0.1 mile Northeast of Ca Highway 49 (Northwest of Nevada City) 637 Comment
  SD212724  Heuchera micrantha G. K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10395 Nevada CA Highway 49 at the crossing of the South Yuba River (North of Nevada City) 402 Comment
  SD234527  Penstemon azureus var. angustissimus G. K. Helmkamp, E. A. Helmkamp 2007-6-12 12356 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 2.9 miles north of its junction with Hwy CA -20; just north of the South Yuba river. 1451 Comment
  SD234775  Acer macrophyllum G. K. Helmkamp, E. A. Helmkamp 2007-6-12 12353 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  SD234794  Apocynum androsaemifolium G. K. Helmkamp, E. A. Helmkamp 2006-8-14 11245 Nevada Northern Sierra Nevada Mountains: about 0.7 mile east of Donner Pass along Donner Pass Road (Norden 7.5'Q) 2041 Comment
  SD234812  Eriophyllum lanatum var. achilleoides G. K. Helmkamp, E. A. Helmkamp 2007-6-12 12354 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 2.9 miles north of its junction with Hwy CA-20; just north of the South Yuba River (Blue Canyon 7.5'Q) 1451 Comment
  SD234842  Symphyotrichum lanceolatum var. hesperium G. K. Helmkamp, E. A. Helmkamp 2006-8-14 11224 Nevada Northern Sierra Nevada Mountains: just south of I-80 onLake Valley Road (Cisco Grove 7.5' Q) 1755 Comment
  SD234855  Plagiobothrys cognatus G. K. Helmkamp, E. A. Helmkamp 2007-6-12 12344 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road 0.6 mile North of Hwy CA-20, at the border of Placer Co. (Blue Canyon 7.5'Q) 1387 Comment
  SD234983  Leptosiphon ciliatus G. K. Helmkamp, E. A. Helmkamp 2007-6-12 12339 Nevada Northern Sierra Nevada Mountains: Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 (Blue Canyon 7.5' Q) 1604 Comment
  SD235024  Ribes roezlii var. roezlii G. K. Helmkamp, E. A. Helmkamp 2008-8-20 14038 Nevada Nothern sierra Nevada Mountains: Donner Pass Road north of and parallel to US-80 beside South Yuba river and just east of Kingvale. 1860 Comment
  SD235041  Erythranthe moschata G. K. Helmkamp, E. A. Helmkamp 2006-8-14 11233 Nevada Northern Sierra Nevada Mtns.: just south of I-80 on Lake Valley Rd. 1755 Comment
  SD236168  Torilis arvensis G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13456 Nevada Sierra Nevada Mountains Foothills: along CA-49, about 6 miles north of Nevada City 518 Comment
  SD236228  Xanthium strumarium G. K. Helmkamp, E. A. Helmkamp 2006-10-10 11518 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-49, 5.8 miles NNW of Nevada City (Nevada City 7.5'Q) 750 Comment
  SD236280  Lathyrus latifolius G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13458 Nevada Sierra Nevada Mountains Foothills: along CA-49, about 6 miles north of Nevada City. 518 Comment
  SD236306  Quercus wislizeni G. K. Helmkamp, E. A. Helmkamp 2006-10-10 11517 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-49, 5.8 miles NNW of Nevada City 750 Comment
  SD237338  Madia citriodora G. K. Helmkamp, E. A. Helmkamp 2008-9-18 14122 Nevada Foothills, northern Sierra Nevada Mountains: Tyler-Foote Road 5.0 miles northeast of the junction with CA-49. 776 Comment
  SD239505  Veratrum californicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17884 Nevada Northern Sierra Nevada Mountains:along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi NE (50a^z) of Emigrant Gap and 0.35 mi N of I-80 (Blue Canyon 7.5'Q0 1541 Comment
  SD239514  Triteleia hyacinthina G. K. Helmkamp, E. A. Helmkamp 2012-6-13 19201 Nevada Northern Sierra Nevada Mountains Foothills: Maybert Road along South Yuba River, 0.6 mi. NE of the river bridge at Washington (Washington 7.5'Q) 796 Comment
  SD239515  Chlorogalum pomeridianum var. pomeridianum G. K. Helmkamp, E. A. Helmkamp 2011-7-17 17750 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95a^z) of Peardale (Chicago Park 7.5'Q) 686 Comment
  SD239517  Aegilops triuncialis G. K. Helmkamp, E. A. Helmkamp 2009-5-28 14815 Nevada Northern Sierra Nevada Mountains Foothills: along CA-49, w.0 miles north of its junction with CA-20, north of Nevada City (Nevada City 7.5'Q) 779 Comment
  SD239518  Aegilops triuncialis G. K. Helmkamp, E. A. Helmkamp 2011-7-17 17789 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road just northeast of its junction with CA-174, 1.25 miles East (91a^z) of Peardale (Chicago Park 7.5'Q) 778 Comment
  SD239553  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2011-6-9 17504 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzley Hill Road, generally north of North Columbia (Pike 7.5'Q) 883 Comment
  SD239559  Tauschia hartwegii G. K. Helmkamp, E. A. Helmkamp 2011-6-9 17512 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.0 miles north of its junction with Crizzly Hill Road, generally north of North Columbia (Pike 7.5'Q) 883 Comment
  SD239569  Symphyotrichum spathulatum var. yosemitanum George K. Helmkamp, E. A. Helmkamp 2007-8-1 12666 Nevada Northern Sierra Nevada Mountains: near Camp Spaulding Road 0.4 mile north of its junction with CA-20 (Blue Canyon 7.5'Q) 1573 Comment
  SD239589  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2011-7-17 17751 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95a^z) of Peardale. 686 Comment
  SD239600  Lapsana communis George K. Helmkamp, E. A. Helmkamp 2012-6-13 19178 Nevada Northern Sierra Nevada Mountains Foothills: Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek. 787 Comment
  SD239612  Madia glomerata G. K. Helmkamp, E. A. Helmkamp 2011-7-26 17867 Nevada Northern Sierra Nevada Mountains: along CA Hwy 20, 0.8 miles east of Bowman Lake Road, 1.23 miles NE (50a^z) of Emigrant Gap and 0.35 mile N of I-80 (Blue Canyon 7.5'Q) 1541 Comment
  SD239614  Madia gracilis G. K. Helmkamp, E. A. Helmkamp 2011-6-9 17510 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia (Pike 7.5'Q) 883 Comment
  SD239663  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2011-7-17 17784 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road just northeast of its junction with CA-174, 1.25 miles east (91a^z) of Peardale (Chicato Park 7.5'Q) 778 Comment
  SD239678  Lychnis coronaria George K. Helmkamp, E. A. Helmkamp 2012-6-13 19200 Nevada Northern Sierra Nevada Mountains Foothills: village of Washington, Relief Hill Road, 0.4 mile north of its junction with Mayb ert Road & NE of the bridge over the South Yuba River (Washington 7.5'Q) 790 Comment
  SD239679  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2011-7-17 17774 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95a^z) of Peardale (Chicago Park 7.5'Q) 686 Comment
  SD239709  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2011-7-17 17769 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95a^z) of Peardale (Chicago Park 7.5'Q) 686 Comment
  SD239710  Convolvulus arvensis George K. Helmkamp, E. A. Helmkamp 2011-7-17 17783 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, just northeast of its junction with CA-1741.25 mile East (91a^z) of Peardale (Chicago Park 7.5'Q) 778 Comment
  SD239741  Lathyrus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17888 Nevada Northern Sierra Nevada Mountains: along CA Hwy 20, 0.8 mi east of Bowman Lake Road, 1.23 mi NE (50a^z) of Emigrant Gap and 0.35 mi N of I-80 (Blue Canyon 7.5'Q) 1541 Comment
  SD239742  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-6-9 17519 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line / Middle Yuba River. 878 Comment
  SD239746  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19192 Nevada Northern Sierra Nevada Mountains Foothills: village of Washington, Relief Hill Road, 0.4 mile north of its junction with Maybert Road & NE of the bridge over the South Yuba River. 790 Comment
  SD239757  Trifolium glomeratum George K. Helmkamp, E. A. Helmkamp 2012-6-13 19197 Nevada Northern Sierra Nevada Mountains Foothills: village of Washington, Relief Hill Road, 0.4 mile north of its junction with Maybert Road & NE of the bridge over the South Yuba River. 790 Comment
  SD239762  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2009-5-28 14818 Nevada Sierra Nevada Mountains Foothills: along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City. 779 Comment
  SD239781  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2011-6-9 17518 A Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote, crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra C. line/Middle Yuba River (Pike 7.5'Q) 878 Comment
  SD239784  Nemophila pedunculata George K. Helmkamp, E. A. Helmkamp 2011-6-9 17518 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra C. line/Middle Yuba River (Pike 7.5'Q) 878 Comment
  SD239822  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2011-7-17 17757 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek. 686 Comment
  SD239840  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2011-6-9 17508 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.0 miles north of its junction with Girzzly Hill road, generally north of North Columbia. 883 Comment
  SD239874  Navarretia leptalea subsp. leptalea G. K. Helmkamp, E. A. Helmkamp 2007-8-1 12664 Nevada Northern Sierra Nevada Mountains: near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 (Blue Canyon 7.5'Q) 1573 Comment
  SD239881  Lewisia cantelovii G. K. Helmkamp, E. A. Helmkamp 2011-6-9 17517 Nevada Sierra Nevada Mountains Foothills:Tyler Fotte Crossing Road, 3.3 miles north of its junction with Grizzley Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River (Pike 7.5'Q) 878 Comment
  SD239884  Trientalis latifolia G. K. Helmkamp, E. A. Helmkamp 2012-6-13 19180 Nevada Northern Sierra Nevada Mountains Foothills: Washinton Road, 5.6 miles north of ties junction with CA-20 and along Washington Creek (Washington 7.5'Q) 787 Comment
  SD239903  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2011-6-9 17497 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 1.6 miles north of its junction with Grizzly Hill Road, generally north of North Columbia (Pike 7.5'Q) 929 Comment
  SD239925  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-7-17 17754 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95a^z) of Peardale. 686 Comment
  SD239932  Veronica serpyllifolia subsp. humifusa Georg K. Helmkamp, E. A. Helmkamp 2011-6-9 17499 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 1.6 miles north of its junction with Grizzley Hill Road, generally north of North Columbia. 929 Comment
  SD240775  Aspidotis densa G. K. Helmkamp, E. A. Helmkamp 2012-6-13 19205 Nevada Northern Sierra Nevada Mountains Foothills: Maybert Road along South Yuba River, 0.6 mile northeast of the river bridge at Washington (Washington 7.5'Q) 796 Comment
  SD240779  Alisma triviale George K. Helmkamp, E. A. Helmkamp 2011-7-17 17795 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91a^z) of Peardale (Chicago Park 7.5'Q) 778 Comment
  SD240830  Anaphalis margaritacea George K. Helmkamp, E. A. Helmkamp 2007-8-1 12657 Nevada Northern Sierra Nevada Mountains: Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road (Soda Springs 7.5'Q) 2073 Comment
  SD240844  Calycadenia oppositifolia George K. Helmkamp, E. A. Helmkamp 2011-6-2 17426 Nevada Northern Sierra Nevada Mountains Foothills: Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley. 726 Comment
  SD240889  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2007-8-1 12667 Nevada Northern Sierra Nevada Mountains: near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 (Blue Canyon 7.5'Q) 1573 Comment
  SD240937  Barbarea orthoceras George K. Helmkamp, E. A. Helmkamp 2012-6-13 19172 Nevada Northern Sierra Nevada Mountains Foothills: Washington Road, 3.6 miles orth of its junction with CA-20 (Washington 7.5'Q) 1006 Comment
  SD240959  Silene californica George K. Helmkamp, E. A. Helmkamp 2011-6-9 17528 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River (Pike 7.5'Q) 878 Comment
  SD240982  Sedum spathulifolium George K. Helmkamp, E. A. Helmkamp 2011-6-9 17521 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River (Pike 7.5'Q) 878 Comment
  SD241041  Geranium molle George K. Helmkamp, E. A. Helmkamp 2011-6-2 17456 Nevada Northern Sierra Nevada Mountains Foothills: 3.25 miles SW (216a^z) of French Corral, along Pleasant Valley Road, 3.3 miles south of its crossing of the South Fork Yuba River (French Corral 7.5'Q) 338 Comment
  SD241067  Agastache urticifolia George K. Helmkamp, E. A. Helmkamp 2010-8-26 16841 Nevada Northern Sierra Nevada Mountains: South Fork Yuba River, Forest Route 85 (Fordyce Lake Road) north of Hampshire Rocks Road and I-80, 1 mile NNW (351a^z) of Cisco (Cisco Grove 7.5') 1634 Comment
  SD241071  Monardella breweri subsp. lanceolata George K. Helmkamp, E. A. Helmkamp 2011-7-17 17758 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA -174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95a^z) of Peardale (Chicago Park 7.5'Q) 686 Comment
  SD241086  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2012-6-13 19202 Nevada Northern Sierra Nevada Moutains Foothills: Maybert Road along South Yuba River, 0.6 miles northeast of the river bridge at Washington. (Washington 7.5'Q) 796 Comment
  SD241106  Clarkia biloba subsp. biloba George K. Helmkamp, E. A. Helmkamp 2011-7-17 17777 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95a^z) of Peardale (Chicago Park 7.5'Q) 686 Comment
  SD241153  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2010-8-26 16827 Nevada Northern Sierra Nevada Mountains: South Fork Yuba River, Forest Route 85 (Fordyce Lake Road) north of Hampshire Rocke Road and I-80, 1 mi. NNW (351a^z) of Cisco (Cisco Grove 7.5'Q) 1634 Comment
  SD241167  Fragaria vesca George K. Helmkamp, E. A. Helmkamp 2011-6-9 17498 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 1.6 miles north of its junction with Greizzly Hill Road, generally north of North Columbia (Pike 7.5'Q) 929 Comment
  SD241170  Horkelia fusca subsp. parviflora George K. Helmkamp, E. A. Helmkamp 2007-8-1 12655 Nevada Northern Sierra Nevada Mountains: Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road (Soda Springs 7.5'Q) 2073 Comment
  SD241178  Galium triflorum George K. Helmkamp, E. A. Helmkamp 2012-6-13 19171 Nevada Northern Sierra Nevada Mountains Foothills: Washington Road, 3.6 miles north of its junction with CA-20 (Washington 7.5'Q) 1006 Comment
  SD241184  Castilleja lacera George K. Helmkamp, E. A. Helmkamp 2011-6-2 17427 Nevada Northern Sierra Nevada Mountains Foothills: Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5'Q) 626 Comment
  SD241205  Plectritis ciliosa George K. Helmkamp, E. A. Helmkamp 2012-4-21 18820 Nevada Northern Sierra Nevada Mountains Foothills: McCourtney Road, 0.4 mile east of its junction with Perimeter Road, 14.5 miles NW (338a^z) Of Auburn (Wolf 7.5'Q) 406 Comment
  SD241732  Symphyotrichum bracteolatum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19936 Nevada Northern Sierra Nevada Mountains; Bowman Lake Road, 0.1 mile south of the bridge over the South Fork Yuba River (Blue Canyon 7.5'Q) 1424 Comment
  SD241741  Ericameria nauseosa var. speciosa George K. Helmkamp, E. A. Helmkamp 2012-9-25 19928 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee (Blue Canyon 7.5'Q) 1427 Comment
  SD243035  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2011-9-30 18354 Nevada Foothills, northern Sierra Nevadaa Mountains: Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir. Wet ditch. 1189 Comment
  SD243114  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2011-9-30 18356 Nevada Northern Sierra Nevada Mountains: Mule Spring Road off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir (Dutch Flat 7.5'Q) 1189 Comment
  SD243120  Chenopodium atrovirens George K. Helmkamp, E. A. Helmkamp 2011-9-30 18366 Nevada Northern Sierra Nevada Mountains: small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road (Washington 7.5'Q) 1581 Comment
  SD243129  Acmispon nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-9-3 18363 Nevada Northern Sierra Nevada Mountains: small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road (Washington 7.5'Q) 1581 Comment
  SD243201  Galium triflorum George K. Helmkamp, E. A. Helmkamp 2011-9-30 18355 Nevada Foothills, northern Sierra Nevada Mountains: Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir. 1189 Comment
  SD243208  Digitalis purpurea George K. Helmkamp, E. A. Helmkamp 2011-9-30 18352 Nevada Foothills, northern Sierra Nevada Mountains: Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir. 1189 Comment
  SD247317  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2013-10-10 22389 Nevada Sierra Nevada Mountains Foothills: junction of Combie Road and Timber Ridge Drive southeast of Higgins Corner near Lake of the Pines. 455 Comment
  SD247373  Plagiobothrys nothofulvus George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20306 Nevada Northern Sierra Nevada Mountains Foothills: Magnolia Road, 3.0 miles east of its junction with CA-49. 495 Comment
  SD247489  Polygonum ramosissimum George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22386 Nevada Sierra Nevada Mountains Foothills: junction of Combie Road and Timber Ridge Drive southeast of Higgins Corner near Lake of the Pines (Lake Combie 7.5'Q) 455 Comment
  SD248321  Baccharis pilularis George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22392 Nevada Sierra Nevada Mountains Foothills: junction of Combie Road and Timber Ridge Dr. southeast of Higgins Corner near Lake of the Pines. 455 Comment
  SD248333  Dittrichia graveolens George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22396 Nevada Sierra Nevada Mountains Foothills: Along CA-49, ca. 0.3 mile north of the junction with Gautier Road and at the side road 20456. 99 Comment
  SD248468  Plantago lanceolata George K. Helmkamp, Elizabeth A. Helmkamp 2013-10-10 22391 Nevada Foothills, Northern Sierra Nevada Mountains: junction of Combie Road and Timber Ridge Drive SE of Higgins Corner near Lake of the Pines (Lake Combie 7.5'Q) 455 Comment
  SD254563  Alyssum simplex George K. Helmkamp, Ann Kerchner, Amy Barnes. 2012-7-23 19481 Nevada Northern Sierra Nevada Mountains: Stampede Meadows Road, c. 0.65 miles south of the Sierra County line (Boca 7.5'Q) 1737 Comment
  SD255843  Ceanothus cuneatus subsp. cuneatus George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22530 Nevada Sierra Nevada Mountains Foothills: Garden Bar Road, 2.8 road miles west of Wolf Road at Wolf, 3.9 air miles WNW (287a^z) of Higgins Corner (Wolf 7.5'Q) 387 Comment
  SD257176  Eriophyllum lanatum var. achilleoides George K Helmkamp, Elizabeth Helmkamp 2013-5-30 20747 Nevada Northern Sierra Nevada Mountains: along Scotts Flat Road, 0.7 mile southwest of its junction with CA-20, NE of Nevada City, NW of Scotts Flat Reservoir (North Bloomfield 7.5'Q) 1091 Comment
  SD257221  Plagiobothrys fulvus var. campestris George K. Helmkamp 2014-4-17 22742 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA 49 in Grass Valley. 729 Comment
  SD257285  Geranium dissectum George K. Helmkamp 2014-4-17 22750 Nevada Sierra Nevada Mountains Foothills: 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 (Rough & Ready 7.5'Q) 438 Comment
  SD260263  Mentha arvensis George K. Helmkamp, E. A. Helmkamp 2012-10-9 19998 Nevada Northern Sierra Nevada Mountains Foothills: Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Augurn and Grasss Valley (Lake Combie 7.5'Q) 445 Comment
  SD260864  Juncus tenuis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17866 Nevada Northern Sierra Nevada Mountains: along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50a^z) of Emigrant Gap and 0.35 mi. N of I-80. 1541 Comment
  SEINET1004521  Dysphania botrys G. K. Helmkamp, E. A. Helmkamp 2006-1 11507 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-49, 10.4 miles north of the crossing of the South Yuba River (Camptonville 7.5' Q) 166 Comment
  SEINET10237201  Eragrostis pectinacea var. pectinacea George K. Helmkamp, Elizabeth Helmkamp 2013-1 22107 Nevada Sierra Nevada Mountains Foothills: north of Auburn, Robles Drive, just south of the junction of Darkhorse Drive and Combie Rd 443 Comment
  SEINET10237202  Digitaria sanguinalis George K. Helmkamp, Elizabeth Helmkamp 2013-1 22106 Nevada Sierra Nevada Mountains Foothills: north of Auburn, Robles Drive, just south of the junction of Darkhorse Drive and Combie Rd 443 Comment
  SEINET10709680  Scirpus microcarpus George K. Helmkamp, E. A. Helmkamp 2011-7-26 Helmkamp 17880 Nevada Northern Sierra Nevada Mountains; along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 (Blue Canyyon 7.5' Q.) 1541 Comment
  SEINET11261850  Collomia grandiflora George Helmkamp, E. A. Helmkamp 2011-7-26 17882 Nevada Northern Sierra Nevada Mountains: along CA Hwy 20, .8 mi east of Bowman Lake Road, 1.23 mi. NE (501/4) of Emigrant Gap and .35 mi. N of I-80 (Blue Canyon 7.5 Q.); 0 1541 Comment
  SEINET11261852  Navarretia leucocephala George Helmkamp, E. A. Helmkamp 2011-7-26 17873 Nevada Northern Sierra Nevada Mountains: along CA Hwy 20, .8 mi east of Bowman Lake Road, 1.23 mi. NE (501/4) of Emigrant Gap and .35 mi. N of I-80 (Blue Canyon 7.5 Q.); 0 1541 Comment
  SEINET11261854  Perideridia parishii subsp. latifolia George Helmkamp, E. A. Helmkamp 2011-7-26 17876 Nevada Northern Sierra Nevada Mountains: along CA Hwy 20, .8 mi east of Bowman Lake Road, 1.23 mi. NE (501/4) of Emigrant Gap and .35 mi. N of I-80 (Blue Canyon 7.5 Q.); 0 1541 Comment
  SEINET11261860  Penstemon azureus var. azureus George Helmkamp, E. A. Helmkamp 2011-7-26 17856 Nevada Northern Sierra Nevada Mountains: Emigrant Gap Road, .1 mile west of its junction with US-80, .65 mi. NE (651/4) of Emigrant Gap (Blue Canyon 7.5' Q.); 0 1590 Comment
  SEINET11261861  Mimulus moschatus George Helmkamp, E. A. Helmkamp 2011-7-26 17878 Nevada Northern Sierra Nevada Mountains: along CA Hwy 20, .8 mi east of Bowman Lake Road, 1.23 mi. NE (501/4) of Emigrant Gap and .35 mi. N of I-80 (Blue Canyon 7.5 Q.); 0 1541 Comment
  SEINET11261865  Navarretia leucocephala subsp. minima George Helmkamp, E. A. Helmkamp 2011-7-26 17877 Nevada Northern Sierra Nevada Mountains: along CA Hwy 20, .8 mi east of Bowman Lake Road, 1.23 mi. NE (501/4) of Emigrant Gap and .35 mi. N of I-80 (Blue Canyon 7.5 Q.); 0 1541 Comment
  SEINET11262571  Veronica serpyllifolia subsp. humifusa George Helmkamp, E. A. Helmkamp 2011-6-9 17499 Nevada Northern Sierra Nevada Mountains Foothills. Tyler Foote Crossing Road, 1.6 miles north of its junction with Grizzly Hill Road, generally north of North Columbia. (Pike 7.5' Q.); 0 283 Comment
  SEINET11265989  Gilia leptalea subsp. bicolor George Helmkamp, E. A. Helmkamp 2010-8-26 16846 Nevada Northern Sierra Nevada Mountains: Donner Pass Road, 0.8 miles west of its junction with Hwy. I-80, 0.65 mi. NE (621/4) of Kingvale (Cisco Grove 7.5' Q.); 0 1920 Comment
  SEINET11266083  Navarretia intertexta subsp. intertexta George Helmkamp, E. A. Helmkamp 2011-6-2 17423 Nevada Northern Sierra Nevada Mountains Foothills: Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q).; 0 727 Comment
  SEINET13203110 Image available Hieracium albiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-1 20748 Nevada Northern Sierra Nevada Mountains: along Scotts Flat Road, 0.7 mile southwest of its junction with CA-20, NE of Nevada City, NW of Scotts Flat Reservoir (North Bloomfield 7.5' Q.) 1091 Comment
  SEINET13203114 Image available Bromus hordeaceus George K. Helmkamp 2014-1 22746 Nevada Northern Sierra Nevada Mountains Foothills: along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q.) 728 Comment
  SEINET13203115 Image available Plagiobothrys fulvus var. campestris George K. Helmkamp 2014-1 22742 Nevada Northern Sierra Nevada Mountains Foothills: along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q.) 728 Comment
  SEINET13203116 Image available Sisyrinchium bellum George K. Helmkamp 2014-1 22743 Nevada Northern Sierra Nevada Mountains Foothills: along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q.) 728 Comment
  SEINET13203121 Image available Claytonia perfoliata subsp. mexicana George K. Helmkamp 2014-1 22754 Nevada Sierra Nevada Mountains Foothills: 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 (Rough & Ready 7.5' Q.) 437 Comment
  SEINET13203122 Image available Petrorhagia dubia George K. Helmkamp 2014-1 22749 Nevada Sierra Nevada Mountains Foothills: 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 (Rough & Ready 7.5' Q.) 133 Comment
  SEINET13203123 Image available Sanicula bipinnatifida George K. Helmkamp 2014-1 22740 Nevada Northern Sierra Nevada Mountains Foothills: along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q.) 728 Comment
  SEINET13203137 Image available Geranium dissectum George K. Helmkamp 2014-1 22750 Nevada Sierra Nevada Mountains Foothills: 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 (Rough & Ready 7.5' Q.) 437 Comment
  SEINET13203138 Image available Erodium botrys George K. Helmkamp 2014-1 22751 Nevada Sierra Nevada Mountains Foothills: 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 (Rough & Ready 7.5' Q.) 133 Comment
  SEINET13203139 Image available Senecio vulgaris George K. Helmkamp 2014-1 22753 Nevada Sierra Nevada Mountains Foothills: 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 (Rough & Ready 7.5' Q.) 437 Comment
  SEINET13276748 Image available Bromus diandrus George K. Helmkamp 2014-1 22747 Nevada Northern Sierra Nevada Mountains Foothills: along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q.) 728 Comment
  SEINET1907233  Mimulus moschatus G. K. Helmkamp, E. A. Helmkamp 2006-1 11233 Nevada Northern Sierra Nevada Mtns: just south of I-80 on Lake Valley Rd. 1754 Comment
  SEINET1907234  Penstemon azureus var. azureus G. K. Helmkamp, E. A. Helmkamp 2006-1 11249 Nevada Northern Sierra Nevada Mtns: about 0.7 mile east of Donner Pass along Donner Pass Rd. 2041 Comment
  SEINET1908694  Mimulus guttatus G. K. Helmkamp, E. A. Helmkamp 2007-1 12350 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  SEINET1908774  Lathyrus latifolius G. K. Helmkamp, E. A. Helmkamp 2008-1 13458 Nevada Sierra Nevada Mountains Foothills: along CA-49, about 6 miles north of Nevada City 518 Comment
  SEINET238484 Image available Lotus nevadensis var. nevadensis G. K. Helmkamp, E. A. Helmkamp; A. Kerchner 1999-6-29 5035 Nevada Northern Sierra Nevada Range: N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon. 2134 Comment
  SEINET238513  Linanthus harknessii G. K. Helmkamp, E. A. Helmkamp; A. Kerchner 1999-6-29 5033 Nevada Northern Sierra Nevada Range: N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon. 2134 Comment
  SEINET238566  Lupinus lepidus var. sellulus G. K. Helmkamp, E. A. Helmkamp; A. Kercher 1999-6-29 5026 Nevada Northern Sierra Nevada Range: N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon. 2134 Comment
  SEINET238567  Carex illota G. K. Helmkamp, E. A. Helmkamp; A. Kerchner 1999-6-29 5029 Nevada Northern Sierra Nevada Range: N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon. 2134 Comment
  SEINET238568  Sidalcea malviflora G. K. Helmkamp, E. A. Helmkamp; A. Kerchner 1999-6-29 5032 Nevada Northern Sierra Nevada Range: N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon. 2134 Comment
  SEINET239049  Aira caryophyllea G. K. Helmkamp, E. A. Helmkamp; A. Kerchner 1999-6-29 5030 Nevada Northern Sierra Nevada Range: N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon (Norden 7.5' USGS Q.) 2134 Comment
  SEINET3245844  Quercus kelloggii G. K. Helmkamp, E. A. Helmkamp 2007-1 11722 Nevada Foothills, Northern Sierra Nevada Mountains: just south of the crossing of CA-49 over the South Yuba River. 390 Comment
  SEINET3245850  Allophyllum integrifolium G. K. Helmkamp, E. A. Helmkamp 2007-1 12733 Nevada Northern Sierra Nevada Mountains: Wright's Lake Road, 1.4 miles south of lake. 2100 Comment
  SEINET3246028  Madia glomerata G. K. Helmkamp, E. A. Helmkamp 2007-1 12667 Nevada Northern Sierra Nevada Mountains: near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  SEINET3246063  Nemophila heterophylla G. K. Helmkamp, E. A. Helmkamp 2007-1 11721 Nevada Foothills, Northern Sierra Nevada Mountains: just south of the crossing of CA-49 over the South Yuba River. 390 Comment
  SEINET3246065 Image available Cercis occidentalis G. K. Helmkamp, E. A. Helmkamp 2007-1 11725 Nevada Foothills, Northern Sierra Nevada Mountains: just south of the crossing of CA-49 over the South Yuba River. 390 Comment
  SEINET3246124  Gilia leptalea subsp. leptalea G. K. Helmkamp, E. A. Helmkamp 2007-1 12664 Nevada Northern Sierra Nevada Mountains: near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  SEINET3285088 Image available Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2009-5-28 14815 Nevada Sierra Nevada Mountains Foothills; along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City. 780 Comment
  SEINET3285089 Image available Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2009-5-28 14814 Nevada Sierra Nevada Mountains Foothills; along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City. 780 Comment
  SEINET3411998 Image available Deschampsia elongata George K. Helmkamp, E. A. Helmkamp 2012-6-13 19174 Nevada Northern Sierra Nevada Mountains Foothills: Washington Road, 3.6 miles N of its junction with Ca-20 1006 Comment
  SEINET3411999 Image available Trisetum canescens George K. Helmkamp, E. A. Helmkamp 2012-6-13 19162 Nevada Northern Sierra Nevada Mountains Foothills: Washington Road, 2.6 miles N of its junction with CA-20 1088 Comment
  SEINET3821617 Image available Danthonia unispicata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17869 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi east of Bowman Lake Road, 1.23 mi NE (50 degrees) of Emigrant Gap and 0.35 mi N of I-80 (Blue Canyon 7.5' Q) 1541 Comment
  SEINET3821618 Image available Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17868 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi east of Bowman Lake Road, 1.23 mi NE (50 degrees) of Emigrant Gap and 0.35 mi N of I-80 (Blue Canyon 7.5' Q) 1541 Comment
  SEINET3858389 Image available Deschampsia elongata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17870 Nevada Northern Sierra Nevada Mountains: along CA Hwy 20, 0.8 mi E of Bowman Lake Road, 1.23 mi NE of Emigrant Gap and 0.35 mi N of I-80 1541 Comment
  SEINET3877543  Juncus bufonius var. bufonius George K. Helmkamp, E. A. Helmkamp 2007-5-26 12110 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 1.0 mile northeast of CA-49 (Nevada City 7.5' Q).; 0 622 Comment
  SEINET4142654 Image available Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2011-6-2 17414 Nevada Northern Sierra Nevada Mountain Foothills: Along CA-20, 1.5 miles W of junction with CA-49 in Grass Valley 727 Comment
  SEINET4178617 Image available Calycadenia oppositifolia George K. Helmkamp, E. A. Helmkamp 2011-6-2 17428 Nevada Northern Sierra Nevada Mountains Foothills: Along CA-20, 3.3 miles west of it's junction with CA-49 in Grass Valley. 626 Comment
  SEINET4560745  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2011-1 18354 Nevada Foothills, northern Sierra Nevada Mountains: Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir. 1189 Comment
  SEINET4560746  Digitalis purpurea George K. Helmkamp, E. A. Helmkamp 2011-1 18352 Nevada Foothills, northern Sierra Nevada Mountains: Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir. 1189 Comment
  SEINET4560747  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2011-1 18357 Nevada Northern Sierra Nevada Mountains: small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road. 1581 Comment
  SEINET4560748  Galium triflorum George K. Helmkamp, E. A. Helmkamp 2011-1 18355 Nevada Foothills, northern Sierra Nevada Mountains: Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir. 1189 Comment
  SEINET4560749  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2011-1 18356 Nevada Foothills, northern Sierra Nevada Mountains: Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir. 1189 Comment
  SEINET4560802  Convolvulus arvensis George K. Helmkamp, E. A. Helmkamp 2011-1 17783 Nevada Northern Sierra Nevada Mountain Foothills: You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 degrees) of Peardale 778 Comment
  SEINET4560803  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2011-1 17774 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 degrees) of Peardale 686 Comment
  SEINET4560804  Fraxinus latifolia George K. Helmkamp, E. A. Helmkamp 2011-1 17760 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 degrees) of Peardale 686 Comment
  SEINET4560805  Torilis nodosa George K. Helmkamp, E. A. Helmkamp 2011-1 17793 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road just northeast of its junction with CA-174, 1.25 mi east (91 degrees) of Peardale 778 Comment
  SEINET4560807  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2011-1 17765 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 degrees) of Peardale 686 Comment
  SEINET4560828  Lythrum hyssopifolia George K. Helmkamp, E. A. Helmkamp 2011-1 17785 Nevada Northern Sierra Nevada Mountains Foothill: You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 degrees) of Peardale. 778 Comment
  SEINET4560830  Madia citrigracilis George K. Helmkamp, E. A. Helmkamp 2011-1 17763 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 degrees) of Peardale. 686 Comment
  SEINET4560892  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2011-1 17509 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia. 884 Comment
  SEINET4560893  Fragaria vesca George K. Helmkamp, E. A. Helmkamp 2011-1 17498 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 1.6 miles north of its junction with Grizzly Hill Road, generally north of North Columbia. 930 Comment
  SEINET4560894  Veronica serpyllifolia subsp. humifusa George K. Helmkamp, E. A. Helmkamp 2011-1 17499 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 1.6 miles north of its junction with Grizzly Hill Road, generally north of North Columbia. 930 Comment
  SEINET4560895  Croton setiger George K. Helmkamp, E. A. Helmkamp 2011-1 17786 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 degrees) of Peardale. 778 Comment
  SEINET4560901  Acmispon americanus var. americanus G. K. Helmkamp, E. A. Helmkamp 2010-1 16855 Nevada Northern Sierra Nevada Mountains Foothills: Donner Pass Road, 0.8 mile west of its junction with Hwy. 1-80, 0.65 mi. NE (62 degrees) of Kingvale. 1921 Comment
  SEINET4560905  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2011-1 17454 Nevada Northern Sierra Nevada Mountains Foothill: 3.25 miles SW (216 degrees) of French Corral, along Pleasant Valley Road, 3.3 miles south of its crossing of the South Fork Yuba River. 338 Comment
  SEINET4560925  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2011-1 17504 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia. 884 Comment
  SEINET4691347  Ceanothus integerrimus George K. Helmkamp 2011-1 17505 Nevada Northern Sierra Nevada Mointains Foothills: Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North columbia 884 Comment
  SEINET4691349  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2011-1 17501 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.0 miles north of its Junction with Grizzley Hill Road, generally north of North Columbia 884 Comment
  SEINET4691350  Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2011-1 17789 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road just northeast of its junction with CA-174, 1.25 mi east (91 degrees) of Peardale 778 Comment
  SEINET4691383  Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2011-1 17790 Nevada Northern Sierra Nevada Mountains Foothills: You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 degrees) of Peardale. 778 Comment
  SEINET4691678  Linum bienne George K. Helmkamp, E. A. Helmkamp 2011-1 17421 Nevada Northern Sierra Nevada Mountains Foothills: Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley. 727 Comment
  SEINET4691718  Calocedrus decurrens George K. Helmkamp, E. A. Helmkamp 2011-1 18360 Nevada Northern Sierra Nevada Mountains: small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road. 1581 Comment
  SEINET4691721  Chenopodium atrovirens George K. Helmkamp, E. A. Helmkamp 2011-1 18366 Nevada Northern Sierra Nevada Mountains: small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road. 1581 Comment
  SEINET4691722  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2011-1 18361 Nevada Northern Sierra Nevada Mountains: small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road. 1581 Comment
  SEINET4691844  Castilleja miniata George K. Helmkamp, E. A. Helmkamp 2010-1 16860 Nevada Northern Sierra Nevada Mountains: Donner Pass Road, 0.8 mile west of its junction with Hwy I-80, 0.65 mi. NE (62 degrees) of Kingvale. 1921 Comment
  SEINET4691850  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2011-1 17508 Nevada Northern Sierra Nevada Mountains Foothills: Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia. 884 Comment
  SEINET6655409  Lupinus latifolius var. columbianus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12119 Nevada Northern Sierra Nevada Mountains Foothills: along CA-49; 1.2 miles north of North San Juan.; 0 1000 Comment
  SEINET6658660  Lathyrus sulphureus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10368 Nevada Northern Sierra Nevada Mts.: Cedarsong Road, 0.1 mi NE of CA Hwy 49 (NW of Nevada City) (Nevada City 7.5' Q); 0 637 Comment
  SEINET7249151  Phalaris aquatica George K. Helmkamp, Elizabeth Helmkamp 2013-1 22114 Nevada Sierra Nevada Mountains Foothills: junction of Table Meadow Road and Combie Road, SE of Higgins Corner. 448 Comment
  SEINET7249152  Polygonum aviculare George K. Helmkamp, Elizabeth Helmkamp 2013-1 22115 Nevada Sierra Nevada Mountains Foothills: junction of Table Meadow Road and Combie Road, SE of Higgins Corner. 448 Comment
  SEINET7249153  Polygonum punctatum George K. Helmkamp, Elizabeth Helmkamp 2013-1 22120 Nevada Sierra Nevada Mountains Foothills: junction of Table Meadow Road and Combie Road, SE of Higgins Corner. 448 Comment
  SEINET7357387  Nemophila maculata George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10413 Nevada Northern Sierra Nevada Foothills: Along CA Hwy 49, 2.1 mi. N of the South Yuba River bridge.; 0 533 Comment
  SEINET8071658 Image available Hordeum murinum subsp. murinum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20307 Nevada Northern Sierra Nevada Mountains Foothills; Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  SEINET948240  Astragalus douglasii G. K. Helmkamp, E. A. Helmkamp 1999-1 5048 Nevada Northern Sierra Nevada Range: Prosser Creek at Hobart Mills, ca. 50-100 yards E of Hwy CA-89, & NE of Lake Tahoe (Hobart Mills 7.5' USGS Q) 1707 Comment
  SEINET953017  Fabaceae G. K. Helmkamp, E. A. Helmkamp 2006-1 11255 Nevada Northern Sierra Nevada Mtns: about 0.7 mile east of Donner Pass along Donner Pass Rd. (Noren 7.5 Q) 2041 Comment
  SEINET998828  Apocynum androsaemifolium G. K. Helmkamp, E. A. Helmkamp 2006-1 11245 Nevada Northern Sierra Nevada Mtns: about 0.7 mile east of Donner Pass along Donner Pass Rd 2041 Comment
  UC2044598  Calycadenia multiglandulosa George K. Helmkamp with E. A. Helmkamp 2011-6-2 17428 Nevada Northern Sierra Nevada Mountains Foothills Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley. (Grass Valley 7.5' Q.) Comment
  UC2044614  Jensia rammii George K. Helmkamp with E. A. Helmkamp 2011-6-2 17415 Nevada Northern Sierra Nevada Mountains Foothills Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley. (Grass Valley 7.5' Q.) Comment
  UC2044622  Calycadenia multiglandulosa George K. Helmkamp with E. A. Helmkamp 2011-6-2 17426 Nevada Northern Sierra Nevada Mountains Foothills Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley. (Grass Valley 7.5' Q.) Comment
  UC2044623  Madia exigua George K. Helmkamp with E. A. Helmkamp 2011-6-2 17417 Nevada Northern Sierra Nevada Mountains Foothills Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley. (Grass Valley 7.5' Q.) Comment
  UCD100013  Polygonum aviculare subsp. depressum G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11228 Nevada Northern Sierra Nevada Mountains: just south of I-80 on Lake Valley Rd. 1754 Comment
  UCD100016  Polygonum aviculare subsp. depressum G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11511 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy. CA-49, 10.4 miles north of the crossing of the South Yuba River. 543 Comment
  UCD100613  Eriogonum nudum var. nudum G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11253 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass, along Donner Pass Road. 2041 Comment
  UCD101027  Rumex acetosella G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11513 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy. CA-49, 10.4 miles north of the crossing of the South Yuba River. 543 Comment
  UCD101031  Rumex acetosella G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12613 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 11.2 miles north of its junction with CA-20. 1793 Comment
  UCD102641  Heuchera micrantha G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10395 Nevada Northern Sierra Nevada Foothills: CA Hwy. 49 at the crossing of the South Yuba River (N of Nevada City). 402 Comment
  UCD103342  Geranium dissectum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10370 Nevada Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City). 637 Comment
  UCD103653  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12593 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake. 1668 Comment
  UCD103829  Acmispon americanus var. americanus G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12614 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 11.2 miles north of its junction with CA-20. 1793 Comment
  UCD103830  Acmispon americanus var. americanus G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12665 Nevada Northern Sierra Nevada Mountains: near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  UCD104061  Acmispon brachycarpus G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11520 Nevada Northern Sierra Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City. 750 Comment
  UCD104259  Acmispon nevadensis var. nevadensis G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11255 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass, along Donner Pass Road. 2041 Comment
  UCD105648  Cercis occidentalis G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11725 Nevada Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River. 390 Comment
  UCD105676  Cytisus scoparius G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10396 Nevada Northern Sierra Nevada Foothills: CA Hwy. 49 at the crossing of the South Yuba River (N of Nevada City). 402 Comment
  UCD105678  Cytisus scoparius G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11522 Nevada Northern Sierra Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City. 750 Comment
  UCD105679  Cytisus scoparius G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11726 Nevada Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River. 390 Comment
  UCD106008  Lupinus albifrons var. albifrons G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11716 Nevada Northern Sierra Nevada Mountains. Along CA-49 at Lime Kiln Rd., 0.6 mi. north of Cherry Creek Acres. 549 Comment
  UCD106141  Gilia leptalea subsp. leptalea G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12664 Nevada Northern Sierra Nevada Mountains: near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  UCD106168  Navarretia leptalea subsp. bicolor G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12621 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 9.9 miles north of its junction with CA-20. 1774 Comment
  UCD106181  Hosackia oblongifolia var. oblongifolia G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12610 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 11.2 miles north of its junction with CA-20. 1793 Comment
  UCD106272  Lupinus albifrons var. collinus G. K. Helmkamp; E. A. Helmkamp 2006-5-11 10416 Nevada Northern Sierra Nevada Foothills: along CA Hwy 49, 2.1 mi. N of the South Yuba River bridge. 534 Comment
  UCD106317  Epilobium glaberrimum subsp. glaberrimum G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12609 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 11.2 miles north of its junction with CA-20. 1793 Comment
  UCD106441  Lathyrus sulphureus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10368 Nevada Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City). 637 Comment
  UCD107244  Lupinus bicolor G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11717 Nevada Northern Sierra Nevada Mountains. Along CA-49 at Lime Kiln Rd., 0.6 mi. north of Cherry Creek Acres. 549 Comment
  UCD108574  Lupinus lepidus var. sellulus G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12654 Nevada Northern Sierra Nevada Mountains: Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road. 2073 Comment
  UCD108824  Trifolium dubium G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10371 Nevada Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City). 637 Comment
  UCD108909  Vicia sativa subsp. nigra G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11724 Nevada Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River. 390 Comment
  UCD109062  Lupinus nanus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10382 Nevada Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City). 637 Comment
  UCD109063  Lupinus nanus G. K. Helmkamp; E. A. Helmkamp 2006-5-11 10415 Nevada Northern Sierra Nevada Foothills: along CA Hwy 49, 2.1 mi. N of the South Yuba River bridge. 534 Comment
  UCD109116  Vicia villosa subsp. varia G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10381 Nevada Northern Sierra Nevada Mtns.: Cedarsong Road, 0.1 mi. NE of CA Hwy 49 (NW of Nevada City). 637 Comment
  UCD109287  Trifolium pratense G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11241 Nevada Northern Sierra Nevada Mountains: just south of I-80 on Lake Valley Rd. 1754 Comment
  UCD110381  Hypericum perforatum subsp. perforatum G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12595 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake. 1668 Comment
  UCD110408  Hypericum scouleri G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11230 Nevada Northern Sierra Nevada Mtns: just south of I-80 on Lake Valley Rd. 1755 Comment
  UCD111149  Trifolium hirtum G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11719 Nevada Northern Sierra Nevada Mountains: along CA-49 at Lime Kiln Rd., 0.6 mi north of Cherry Creek Acres. 549 Comment
  UCD111222  Trifolium hybridum G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11238 Nevada Northern Sierra Nevada Mtns.: just south of I-80 on Lake Valley Rd. 1755 Comment
  UCD111556  Salix lasiandra var. lasiandra G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12668 Nevada Northern Sierra Nevada Mountains: near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  UCD111972  Ceanothus integerrimus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10391 Nevada Northern Sierra Nevada: CA Hwy 49 at the crossing of the South Yuba River (N of Nevada City). 402 Comment
  UCD112166  Ceanothus lemmonii G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10378 Nevada Northern Sierra Nevada Mtns.: Cedarsong Road, 0.1 mi. NE of CA Hwy 49 (NW of Nevada City). 637 Comment
  UCD113208  Prunus emarginata G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11219 Nevada Northern Sierra Nevada Mountains; just south of I-80 on Lake Valley Road. 1755 Comment
  UCD113483  Horkelia fusca var. parviflora G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12655 Nevada Northern Sierra Nevada Mountains: Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road. 2073 Comment
  UCD113910  Potentilla gracilis var. fastigiata G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11231 Nevada Northern Sierra Nevada Mtns: just south of I-80 on Lake Valley Rd. 1755 Comment
  UCD113976  Poterium sanguisorba G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10372 Nevada Northern Sierra Nevada Mtns.: Cedarsong Road, 0.1 mi. NE of CA Hwy 49 (NW of Nevada City). 637 Comment
  UCD113977  Poterium sanguisorba G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10419 Nevada Northern Sierra Nevada: Along CA Hwy 49, 2.1 mi. N of the South Yuba River bridge. 534 Comment
  UCD114518  Cardamine hirsuta G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11720 Nevada Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River. 390 Comment
  UCD116656  Sidalcea glaucescens G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11220 Nevada Northern Sierra Nevada Mountains, just south of I-80 on Lake Valley Road. 1755 Comment
  UCD116662  Sidalcea glaucescens G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12592 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20, in vicinity of Fuller Lake. 1668 Comment
  UCD116663  Sidalcea glaucescens G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12604 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20. 1793 Comment
  UCD117485  Arbutus menziesii G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11728 Nevada Northern Sierra Nevada Mountains: Just south of the crossing of CA-49 over the South Yuba River. 390 Comment
  UCD118207  Navarretia divaricata G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12611 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 11.2 miles north of its junction with CA-20. 1793 Comment
  UCD118765  Leptosiphon harknessii G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11256 Nevada Northern Sierra Nevada Mtns about 0.7 mile east of Donner Pass along Donner Pass Road. 2041 Comment
  UCD119579  Nemophila maculata G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10413 Nevada Northern Sierra Nevada: Along CA Hwy 49, 2.1 mi. N of the South Yuba River bridge. 534 Comment
  UCD120025  Nemophila heterophylla G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11721 Nevada Northern Sierra Nevada Mountains: just south of the crossing of CA-49 over the South Yuba River. 390 Comment
  UCD121241  Apocynum androsaemifolium G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11245 Nevada Northern Sierra Nevada Mtns: aboout 7 mile east of Donner Pass along Donner Pass Rd. (Norden 7.5'Q). 2041 Comment
  UCD121242  Apocynum androsaemifolium G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12616 Nevada Northern Sierra Nevada Mtns: Bowman Lake Road, 11.2 miles north of its junction with CA-20 (Graniteville 7.5'Q). 1793 Comment
  UCD121244  Apocynum androsaemifolium G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12623 Nevada Northern Sierra Nevada Mtns: Bowman Lake Road, 9.9 miles north of its junction with CA-20 (Graniteville 7.5'Q). 1774 Comment
  UCD121972  Kelloggia galioides G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12671 Nevada Northern Sierra Nevada Mountains: near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  UCD122211  Mimulus aurantiacus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10400 Nevada Northern Sierra Nevada Foothills, CA Hwy 49 at the crossing of the South Yuba River (N of Nevada City). 402 Comment
  UCD122813  Mimulus moschatus G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12605 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20. 1793 Comment
  UCD122814  Mimulus moschatus G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11233 Nevada Northern Sierra Nevada Mtns: just south of I-80 on Lake Valley Rd. 1755 Comment
  UCD122999  Castilleja miniata subsp. miniata G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12653 Nevada Northern Sierra Nevada Mountains: Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road. 2073 Comment
  UCD123062  Castilleja tenuis G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12659 Nevada Northern Sierra Nevada Mountains: Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road. 2073 Comment
  UCD123710  Digitalis purpurea G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12663 Nevada Northern Sierra Nevada Mountains; near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  UCD124042  Penstemon azureus var. azureus G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11249 Nevada Northern Sierra Nevada Mountains: about 0.7 mile east of Donner Pass along Donner Pass Rd. 2041 Comment
  UCD124365  Plantago major G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11235 Nevada Northern Sierra Nevada Mtns: just south of I-80 on Lake Valley Rd. 1755 Comment
  UCD124936  Agastache urticifolia G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12660 Nevada Northern Sierra Nevada Mountains; near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  UCD125788  Stachys rigida subsp. rivularis G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12607 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20. 1793 Comment
  UCD127555  Ligusticum grayi G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12619 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 9.9 miles north of its junction with CA-20. 1774 Comment
  UCD127886  Perideridia lemmonii G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12599 A Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake. 1668 Comment
  UCD128551  Ageratina occidentalis G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11250 Nevada Northern Sierra Nevada Mountains: about 0.7 mile east of Donner Pass along Donner Pass Rd. 2041 Comment
  UCD128844  Anaphalis margaritacea G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12657 Nevada Northern Sierra Nevada Mountains: Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road. 2073 Comment
  UCD129282  Artemisia douglasiana G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11225 Nevada Northern Sierra Nevada Mountains: just south of I-80 on Lake Valley Rd. 1754 Comment
  UCD131963  Erigeron glacialis var. glacialis G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12656 Nevada Northern Sierra Nevada Mountains: Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road. 2073 Comment
  UCD131982  Erigeron inornatus G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11243 Nevada Northern Sierra Nevada Mountains: about 0.7 mile east of Donner Pass along Donner Pass Road. 2040 Comment
  UCD131999  Erigeron inornatus var. inornatus G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12622 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 9.9 miles north of its junction with CA-20. 1774 Comment
  UCD132003  Erigeron inornatus var. inornatus G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12661 Nevada Northern Sierra Nevada Mountains; near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  UCD132015  Erigeron miser G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11254 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass, along Donner Pass Road. 2041 Comment
  UCD132410  Gamochaeta G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11227 Nevada Northern Sierra Nevada Mountains: just south of I-80 on Lake Valley Rd. 1755 Comment
  UCD132411  Gnaphalium palustre G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12612 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 11.2 miles north of its junction with CA-20. 1793 Comment
  UCD132412  Gnaphalium palustre G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11262 Nevada Northern Sierra Nevada Mountains: about 0.7 mile east of Donner Pass along Donner Pass Rd. 2040 Comment
  UCD133338  Hypochaeris glabra G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10376 Nevada Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City). 637 Comment
  UCD133912  Layia glandulosa G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10375 Nevada Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City). 637 Comment
  UCD134266  Madia glomerata G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12667 Nevada Northern Sierra Nevada Mountains: near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  UCD134292  Madia gracilis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10399 Nevada Northern Sierra Nevada Foothills: CA Hwy. 49 at the crossing of the South Yuba River (N of Nevada City). 402 Comment
  UCD134484  Micropus californicus var. californicus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10383 Nevada Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City). 637 Comment
  UCD134712  Pinus jeffreyi G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11263 Nevada Northern Sierra Nevada Mtns.: about 0.7 mile east of Donner Pass along Donner Pass Rd. 2041 Comment
  UCD135930  Solidago elongata G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11521 Nevada Northern Sierra Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City. 750 Comment
  UCD135932  Solidago elongata G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12599 -B Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake. 1668 Comment
  UCD135934  Solidago elongata G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12652 Nevada Northern Sierra Nevada Mountains: Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road. 2073 Comment
  UCD136646  Symphyotrichum spathulatum var. spathulatum G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11222 Nevada Northern Sierra Nevada Mountains, just south of I-80 on Lake Valley Road. 1755 Comment
  UCD136648  Symphyotrichum spathulatum var. spathulatum G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12618 Nevada Northern Sierra Nevada Mtns: Bowman Lake Road, 9.9 miles north of its junction with CA-20. 1774 Comment
  UCD136658  Symphyotrichum spathulatum var. yosemitanum G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12666 Nevada Northern Sierra Nevada Mountains; near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  UCD136717  Symphyotrichum G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11224 Nevada Northern Sierra Nevada Mountains: just south of I-80 on Lake Valley Rd. 1754 Comment
  UCD137117  Xanthium strumarium G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11518 Nevada Northern Sierra Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City. 750 Comment
  UCD137893  Umbellularia californica G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11727 Nevada Northern Sierra Nevada Mountains: just south of the crossing at CA-49 over the South Yuba River. 390 Comment
  UCD138876  Sisyrinchium bellum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10385 Nevada Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City). 637 Comment
  UCD139556  Calochortus monophyllus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10369 Nevada Northern Sierra Nevada Mtns.: Cedarsong Road, 0.1 mi. NE of CA Hwy 49 (NW of Nevada City). 637 Comment
  UCD141468  Juncus drummondii G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12594 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 3.9 miles north of its junction with CA-20; in vicinity of Fuller Lake. 1668 Comment
  UCD141495  Juncus effusus G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12598 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake. 1668 Comment
  UCD141525  Juncus ensifolius G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11236 Nevada Northern Sierra Nevada Mtns.: just south of I-80 on Lake Valley Rd. 1755 Comment
  UCD141564  Juncus longistylis G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12658 Nevada Northern Sierra Nevada Mountains: Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road. 2073 Comment
  UCD142802  Euphorbia serpillifolia subsp. hirtula G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12620 Nevada Northern Sierra Nevada Mtns: Bowman Lake Road, 9.9 miles north of its junction with CA-20. 1774 Comment
  UCD55252  Arctostaphylos viscida subsp. viscida G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10404 Nevada Northern Sierra Nevada Foothills: San Juan Ridge area at North Columbia, ca. 9.3 mi. E of CA Hwy. 49. 883 Comment
  UCD58584  Bromus diandrus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10386 Nevada Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City). 637 Comment
  UCD60219  Bromus tectorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10397 Nevada Northern Sierra Nevada Foothills: CA Hwy. 49 at the crossing of the South Yuba River (N of Nevada City). 402 Comment
  UCD61815  Quercus kelloggii G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11516 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City. 750 Comment
  UCD63207  Quercus wislizeni G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11517 Nevada Northern Sierra Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City. 750 Comment
  UCD63221  Agrostis pallens G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11247 Nevada Northern Sierra Nevada Mtns.: about 0.7 mile east of Donner Pass along Donner Pass Rd. 2041 Comment
  UCD64108  Quercus kelloggii G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11722 Nevada Northern Sierra Nevada Mountains: just south of the crossing at CA-49 over the South Yuba River. 390 Comment
  UCD86616  Muhlenbergia filiformis G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11229 Nevada Northern Sierra Nevada Mountains: just south of I-80 on Lake Valley Rd. 1754 Comment
  UCD86617  Muhlenbergia filiformis G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11261 Nevada Northern Sierra Nevada Mountains: about 0.7 mile east of Donner Pass along Donner Pass Rd. 2040 Comment
  UCD86921  Muhlenbergia richardsonis G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11252 Nevada Northern Sierra Nevada Mtns.: about 0.7 mile east of Donner Pass along Donner Pass Rd. 2041 Comment
  UCD89307  Phleum alpinum G. K. Helmkamp; E. A. Helmkamp 2006-8-14 11232 Nevada Northern Sierra Nevada Mountains: just south of I-80 on Lake Valley Rd. 1754 Comment
  UCD90677  Poa bulbosa G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11718 Nevada Northern Sierra Nevada Mountains. Along CA-49 at Lime Kiln Rd., 0.6 mi. north of Cherry Creek Acres. 549 Comment
  UCD95537  Aquilegia formosa G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12601 Nevada Northern Sierra Nevada Mountains: Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake. 1668 Comment
  UCD95538  Aquilegia formosa G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12662 Nevada Northern Sierra Nevada Mountains: near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20. 1573 Comment
  UCD95952  Ranunculus californicus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-11 10379 Nevada Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City). 637 Comment
  UCD98987  Silene laciniata subsp. californica G. K. Helmkamp; E. A. Helmkamp 2007-3-31 11723 Nevada Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River. 390 Comment
  UCR121442  Heuchera rubescens var. glandulosa George K. Helmkamp, E. A. Helmkamp 1999-6-30 5091 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121443  Penstemon azureus var. azureus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5090 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121444  Spiraea densiflora George K. Helmkamp, E. A. Helmkamp 1999-6-30 5088 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121445  Delphinium depauperatum George K. Helmkamp, E. A. Helmkamp 1999-6-30 5087 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121446  Ribes cereum var. cereum George K. Helmkamp, E. A. Helmkamp 1999-6-30 5084 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121447  Lewisia triphylla George K. Helmkamp, E. A. Helmkamp 1999-6-30 5083 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121448  Delphinium gracilentum George K. Helmkamp, E. A. Helmkamp 1999-6-30 5081 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121449  Castilleja pilosa George K. Helmkamp, E. A. Helmkamp 1999-6-30 5078 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121450  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5077 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121451  Phlox diffusa George K. Helmkamp, E. A. Helmkamp 1999-6-30 5076 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121452  Poa cusickii subsp. epilis George K. Helmkamp, E. A. Helmkamp 1999-6-30 5075 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121453  Eriogonum umbellatum var. polyanthum George K. Helmkamp, E. A. Helmkamp 1999-6-29 5051 Nevada Northern Sierra Nevada Range, Prosser Creek at Hobart Mills, c. 50-100 yards east of Calif. Hwy 89, NE of Lake Tahoe 1707 Comment
  UCR121454  Wyethia mollis George K. Helmkamp, E. A. Helmkamp 1999-6-29 5050 Nevada Northern Sierra Nevada Range, Prosser Creek at Hobart Mills, c. 50-100 yards east of Calif. Hwy 89, NE of Lake Tahoe 1707 Comment
  UCR121455  Sanguisorba annua George K. Helmkamp, E. A. Helmkamp 1999-6-29 5049 Nevada Northern Sierra Nevada Range, Prosser Creek at Hobart Mills, c. 50-100 yards east of Calif. Hwy 89, NE of Lake Tahoe 1707 Comment
  UCR121456  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp 1999-6-29 5047 Nevada Northern Sierra Nevada Range, Prosser Creek at Hobart Mills, c. 50-100 yards east of Calif. Hwy 89, NE of Lake Tahoe 1707 Comment
  UCR121457  Sanicula tuberosa George K. Helmkamp 1999-6-30 5101 Nevada Northern Sierra Nevada Range, Truckee, 1-2 mi. east of Donner Lake. 1540 Comment
  UCR121458  Lupinus polyphyllus var. burkei George K. Helmkamp 1999-6-30 5102 Nevada Northern Sierra Nevada Range, Truckee, 1-2 mi. east of Donner Lake. 1540 Comment
  UCR121459  Trifolium longipes subsp. elmeri George K. Helmkamp 1999-6-30 5104 Nevada Northern Sierra Nevada Range, Truckee, 1-2 mi. east of Donner Lake. 1540 Comment
  UCR121460  Polemonium occidentale George K. Helmkamp, A. Kerchner 1999-6-30 5113 Nevada Northern Sierra Nevada Range, Truckee, 0.3 mi. east of Donner Lake. 1540 Comment
  UCR121461  Smilacina stellata George K. Helmkamp, A. Kerchner 1999-6-30 5115 Nevada Northern Sierra Nevada Range, Truckee, 0.3 mi. east of Donner Lake. 1540 Comment
  UCR121462  Phacelia marcescens George K. Helmkamp 1999-6-30 5103 Nevada Northern Sierra Nevada Range, Truckee, 1-2 mi. east of Donner Lake. 1540 Comment
  UCR121463  Collinsia parviflora George K. Helmkamp 1999-6-30 5098 Nevada Northern Sierra Nevada Range, Truckee, 1-2 mi. east of Donner Lake. 1540 Comment
  UCR121464  Streptanthus tortuosus var. orbiculatus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5089 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121465  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5082 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121466  Carex leporinella George K. Helmkamp, E. A. Helmkamp 1999-6-30 5080 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121467  Cryptogramma cascadensis George K. Helmkamp, E. A. Helmkamp 1999-6-30 5079 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121468  Penstemon newberryi subsp. newberryi George K. Helmkamp, E. A. Helmkamp 1999-6-30 5074 Nevada Northern Sierra Nevada Range, Tahoe Nat. Forest, Donner Pass Rd. (=Hwy 40), 2.2 mi. west of Lake Donner. 1997 Comment
  UCR121469  Astragalus douglasii George K. Helmkamp, E. A. Helmkamp 1999-6-29 5048 Nevada Northern Sierra Nevada Range, Prosser Creek at Hobart Mills, c. 50-100 yards east of Calif. Hwy 89, NE of Lake Tahoe 1707 Comment
  UCR121470  Sidalcea oregana subsp. spicata George K. Helmkamp, E. A. Helmkamp 1999-6-29 5046 Nevada Northern Sierra Nevada Range, Prosser Creek at Hobart Mills, c. 50-100 yards east of Calif. Hwy 89, NE of Lake Tahoe 1707 Comment
  UCR121471  Phacelia heterophylla subsp. virgata George K. Helmkamp, E. A. Helmkamp 1999-6-29 5043 Nevada Northern Sierra Nevada Range, Prosser Creek at Hobart Mills, c. 50-100 yards east of Calif. Hwy 89, NE of Lake Tahoe 1707 Comment
  UCR121472  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 1999-6-29 5044 Nevada Northern Sierra Nevada Range, Prosser Creek at Hobart Mills, c. 50-100 yards east of Calif. Hwy 89, NE of Lake Tahoe 1707 Comment
  UCR121473  Penstemon rydbergii var. oreocharis George K. Helmkamp, E. A. Helmkamp 1999-6-29 5045 A Nevada Northern Sierra Nevada Range, Prosser Creek at Hobart Mills, c. 50-100 yards east of Calif. Hwy 89, NE of Lake Tahoe 1707 Comment
  UCR121474  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 1999-6-29 5045 B Nevada Northern Sierra Nevada Range, Prosser Creek at Hobart Mills, c. 50-100 yards east of Calif. Hwy 89, NE of Lake Tahoe 1707 Comment
  UCR121597  Plagiobothrys torreyi var. diffusus George K. Helmkamp 1999-6-30 5099 Nevada Northern Sierra Nevada Range, Truckee, 1-2 mi. east of Donner Lake. 1540 Comment
  UCR121605  Penstemon rydbergii var. oreocharis George K. Helmkamp 1999-6-30 5100 Nevada Northern Sierra Nevada Range, Truckee, 1-2 mi. east of Donner Lake. 1540 Comment
  UCR173340  Ceanothus oliganthus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10378 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173341  Ranunculus californicus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10379 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173342  Cytisus scoparius George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10396 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173343  Vicia villosa subsp. villosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10381 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173344  Micropus californicus var. californicus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10383 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173345  Lupinus nanus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10382 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173346  Petrorhagia dubia George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10380 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173347  Ceanothus integerrimus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10384 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173348  Bromus diandrus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10386 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173349  Sisyrinchium bellum George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10385 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173350  Iris missouriensis George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10377 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173351  Ceanothus oliganthus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10420 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR173352  Nemophila maculata George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10413 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR173353  Carex cusickii George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10414 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR173354  Lupinus nanus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10415 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR173355  Lupinus albifrons var. collinus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10416 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR173356  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10419 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR173357  Linanthus bicolor George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10421 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR173358  Calochortus albus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10422 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR173359  Poa bulbosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10423 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR173360  Festuca perennis George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10387 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173450  Potentilla glandulosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10374 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173451  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10373 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173452  Jensia rammii George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10375 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
Read comments Jan 8 2013
  UCR173523  Plectritis macrocera George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10393 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173524  Heuchera micrantha George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10395 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173525  Thysanocarpus curvipes George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10392 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173526  Ceanothus integerrimus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10391 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173527  Calochortus monophyllus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10409 Nevada Northern Sierra Nevada Foothills, San Juan Ridge area at North Columbia, c. 9.3 mi. east of Calif. Hwy 49 884 Comment
  UCR173528  Hypochaeris glabra George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10376 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173529  Aira caryophyllea George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10398 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173530  Madia gracilis George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10399 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173531  Mimulus aurantiacus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10400 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173532  Poa secunda George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10401 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173533  Festuca megalura George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10402 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173534  Rumex acetosella George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10403 Nevada Northern Sierra Nevada Foothills, San Juan Ridge area at North Columbia, c. 9.3 mi. east of Calif. Hwy 49 884 Comment
  UCR173535  Arctostaphylos viscida subsp. viscida George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10404 Nevada Northern Sierra Nevada Foothills, San Juan Ridge area at North Columbia, c. 9.3 mi. east of Calif. Hwy 49 884 Comment
  UCR173536  Luzula comosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10405 Nevada Northern Sierra Nevada Foothills, San Juan Ridge area at North Columbia, c. 9.3 mi. east of Calif. Hwy 49 884 Comment
  UCR173537  Vinca major George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10406 Nevada Northern Sierra Nevada Foothills, San Juan Ridge area at North Columbia, c. 9.3 mi. east of Calif. Hwy 49 884 Comment
  UCR173582  Lathyrus sulphureus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10368 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173583  Calochortus monophyllus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10369 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173584  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10372 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173585  Trifolium dubium George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10371 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173586  Geranium dissectum George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10370 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173587  Bromus carinatus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10389 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173588  Scandix pecten-veneris George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10410 Nevada Northern Sierra Nevada Foothills, San Juan Ridge area at North Columbia, c. 9.3 mi. east of Calif. Hwy 49 884 Comment
  UCR173589  Iris hartwegii subsp. pinetorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10394 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173683  Hordeum leporinum George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10408 Nevada Northern Sierra Nevada Foothills, San Juan Ridge area at North Columbia, c. 9.3 mi. east of Calif. Hwy 49 884 Comment
  UCR173689  Bromus tectorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10397 Nevada Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City) 402 Comment
  UCR173690  Bromus hordeaceus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10390 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR173720  Elymus glaucus var. glaucus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10388 Nevada Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City) 637 Comment
  UCR174402A  Potentilla glandulosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10418 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR174529  Dactylis glomerata George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10417 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR176061  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2006-8-14 11255 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176062  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2006-8-14 11253 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176063  Erigeron miser George K. Helmkamp, E. A. Helmkamp 2006-8-14 11254 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176064  Muhlenbergia richardsonis George K. Helmkamp, E. A. Helmkamp 2006-8-14 11252 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176065  Pinus contorta subsp. murrayana George K. Helmkamp, E. A. Helmkamp 2006-8-14 11251 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176066  Penstemon azureus var. azureus George K. Helmkamp, E. A. Helmkamp 2006-8-14 11249 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176067  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2006-8-14 11248 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176068  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2006-8-14 11245 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176069  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2006-8-14 11244 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176070  Heterotheca oregona George K. Helmkamp, E. A. Helmkamp 2006-8-14 11243 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176071  Muhlenbergia filiformis George K. Helmkamp, E. A. Helmkamp 2006-8-14 11261 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176072  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp 2006-8-14 11256 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176073  Juncus luciensis George K. Helmkamp, E. A. Helmkamp 2006-8-14 11258 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176074  Plagiobothrys hispidulus George K. Helmkamp, E. A. Helmkamp 2006-8-14 11257 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176075  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2006-8-14 11260 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176076  Gnaphalium palustre George K. Helmkamp, E. A. Helmkamp 2006-8-14 11262 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176077  Pinus jeffreyi George K. Helmkamp, E. A. Helmkamp 2006-8-14 11263 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176078  Ageratina occidentalis George K. Helmkamp, E. A. Helmkamp 2006-8-14 11250 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176079  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2006-8-14 11233 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176080  Hypericum formosum var. scouleri George K. Helmkamp, E. A. Helmkamp 2006-8-14 11230 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176201  Muhlenbergia filiformis George K. Helmkamp, E. A. Helmkamp 2006-8-14 11229 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176202  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2006-8-14 11222 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176203  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2006-8-14 11220 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176251  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2006-8-14 11236 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176252  Agrostis pallens George K. Helmkamp, E. A. Helmkamp 2006-8-14 11237 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176253  Trifolium hybridum George K. Helmkamp, E. A. Helmkamp 2006-8-14 11238 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176254  Madia citrigracilis George K. Helmkamp, E. A. Helmkamp 2006-8-14 11239 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176267  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2006-8-14 11246 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176268  Agrostis pallens George K. Helmkamp, E. A. Helmkamp 2006-8-14 11247 Nevada Northern Sierra Nevada Mtns, about 0.7 mile east of Donner Pass along Donner Pass Road 2041 Comment
  UCR176283  Lotus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10411 Nevada Northern Sierra Nevada Foothills, San Juan Ridge area at North Columbia, c. 9.3 mi. east of Calif. Hwy 49 884 Comment
  UCR176284  Lotus George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10412 Nevada Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge 534 Comment
  UCR176527  Phleum alpinum George K. Helmkamp, E. A. Helmkamp 2006-8-14 11232 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176528  Gnaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2006-8-14 11223 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176529  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2006-8-14 11219 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176530  Perideridia parishii subsp. latifolia George K. Helmkamp, E. A. Helmkamp 2006-8-14 11234 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176531  Plantago major George K. Helmkamp, E. A. Helmkamp 2006-8-14 11235 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176532  Gnaphalium palustre George K. Helmkamp, E. A. Helmkamp 2006-8-14 11227 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176533  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2006-8-14 11231 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176534  Tragopogon dubius George K. Helmkamp, E. A. Helmkamp 2006-8-14 11226 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176535  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2006-8-14 11225 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176536  Aster lanceolatus subsp. hesperius George K. Helmkamp, E. A. Helmkamp 2006-8-14 11224 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176537  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2006-8-14 11228 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176538  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2006-8-14 11240 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR176539  Collomia linearis George K. Helmkamp, E. A. Helmkamp 2006-8-14 11242 Nevada Northern Sierra Nevada Mtns, just south of I-80 on Lake Valley Rd 1755 Comment
  UCR177014  Bromus sterilis George K. Helmkamp, Elizabeth Helmkamp 2006-5-11 10407 Nevada Northern Sierra Nevada Foothills, San Juan Ridge area at North Columbia, c. 9.3 mi. east of Calif. Hwy 49 884 Comment
  UCR179306  Cytisus scoparius George K. Helmkamp, E. A. Helmkamp 2006-10-10 11522 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City 750 Comment
  UCR179307  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2006-10-10 11521 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City 750 Comment
  UCR179308  Quercus wislizeni George K. Helmkamp, E. A. Helmkamp 2006-10-10 11517 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City 750 Comment
  UCR179309  Quercus kelloggii George K. Helmkamp, E. A. Helmkamp 2006-10-10 11516 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City 750 Comment
  UCR179310  Stephanomeria virgata subsp. pleurocarpa George K. Helmkamp, E. A. Helmkamp 2006-10-10 11515 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City 750 Comment
  UCR179320  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2006-10-10 11514 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 10.4 miles north of the crossing of the South Yuba River 543 Comment
  UCR179321  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2006-10-10 11513 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 10.4 miles north of the crossing of the South Yuba River 543 Comment
  UCR179322  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2006-10-10 11512 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 10.4 miles north of the crossing of the South Yuba River 543 Comment
  UCR179323  Verbascum thapsus George K. Helmkamp, E. A. Helmkamp 2006-10-10 11510 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 10.4 miles north of the crossing of the South Yuba River 543 Comment
  UCR179324  Lactuca serriola George K. Helmkamp, E. A. Helmkamp 2006-10-10 11509 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 10.4 miles north of the crossing of the South Yuba River 543 Comment
  UCR179325  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2006-10-10 11508 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 10.4 miles north of the crossing of the South Yuba River 543 Comment
  UCR179326  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2006-10-10 11507 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 10.4 miles north of the crossing of the South Yuba River 543 Comment
  UCR179327  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2006-10-10 11506 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 10.4 miles north of the crossing of the South Yuba River 543 Comment
  UCR179328  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2006-10-10 11505 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 10.4 miles north of the crossing of the South Yuba River 543 Comment
  UCR179329  Polygonum arenastrum George K. Helmkamp, E. A. Helmkamp 2006-10-10 11511 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 10.4 miles north of the crossing of the South Yuba River 543 Comment
  UCR179330  Xanthium strumarium George K. Helmkamp, E. A. Helmkamp 2006-10-10 11518 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City 750 Comment
  UCR179331  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2006-10-10 11520 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City 750 Comment
  UCR179802  Croton setiger George K. Helmkamp, E. A. Helmkamp 2006-10-10 11519 Nevada Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City 750 Comment
  UCR188854  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2007-7-27 12621 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 9.9 miles north of its junction with CA-20 1774 Comment
  UCR188855  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2007-7-27 12623 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 9.9 miles north of its junction with CA-20 1774 Comment
  UCR188856  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2007-7-27 12622 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 9.9 miles north of its junction with CA-20 1774 Comment
  UCR188857  Euphorbia serpillifolia subsp. hirtula George K. Helmkamp, E. A. Helmkamp 2007-7-27 12620 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 9.9 miles north of its junction with CA-20 1774 Comment
  UCR188858  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2007-7-27 12615 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR188859  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2007-7-27 12614 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR188860  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2007-7-27 12613 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR188861  Gnaphalium palustre George K. Helmkamp, E. A. Helmkamp 2007-7-27 12612 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR188862  Navarretia divaricata subsp. divaricata George K. Helmkamp, E. A. Helmkamp 2007-7-27 12611 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR188863  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2007-3-31 11720 Nevada Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River 390 Comment
  UCR188864  Stachys ajugoides var. rigida George K. Helmkamp, E. A. Helmkamp 2007-7-27 12607 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR188865  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2007-7-27 12606 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR188866  Quercus kelloggii George K. Helmkamp, E. A. Helmkamp 2007-3-31 11722 Nevada Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River 390 Comment
  UCR188867  Vicia sativa subsp. sativa George K. Helmkamp, E. A. Helmkamp 2007-3-31 11724 Nevada Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River 390 Comment
  UCR188868  Silene californica George K. Helmkamp, E. A. Helmkamp 2007-3-31 11723 Nevada Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River 390 Comment
  UCR188869  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2007-3-31 11721 Nevada Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River 390 Comment
  UCR188870  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2007-3-31 11719 Nevada Foothills, Northern Sierra Nevada Mountains, along CA-49 at Lime Kiln Rd., 0.6 mi north of Cherry Creek Acres 549 Comment
  UCR188871  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2007-3-31 11718 Nevada Foothills, Northern Sierra Nevada Mountains, along CA-49 at Lime Kiln Rd., 0.6 mi north of Cherry Creek Acres 549 Comment
  UCR188872  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-3-31 11717 Nevada Foothills, Northern Sierra Nevada Mountains, along CA-49 at Lime Kiln Rd., 0.6 mi north of Cherry Creek Acres 549 Comment
  UCR188873  Lupinus albifrons var. albifrons George K. Helmkamp, E. A. Helmkamp 2007-3-31 11716 Nevada Foothills, Northern Sierra Nevada Mountains, along CA-49 at Lime Kiln Rd., 0.6 mi north of Cherry Creek Acres 549 Comment
  UCR188874  Cercis occidentalis George K. Helmkamp, E. A. Helmkamp 2007-3-31 11725 Nevada Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River 390 Comment
  UCR189032  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2007-7-27 12608 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR189033  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2007-7-27 12605 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR189034  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2007-7-27 12604 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR189035  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2007-7-27 12603 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR189036  Spiranthes porrifolia George K. Helmkamp, E. A. Helmkamp 2007-7-27 12602 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR189037  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2007-7-27 12601 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR189038  Perideridia lemmonii George K. Helmkamp, E. A. Helmkamp 2007-7-27 12599 A Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR189039  Ligusticum grayi George K. Helmkamp, E. A. Helmkamp 2007-7-27 12619 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 9.9 miles north of its junction with CA-20 1774 Comment
  UCR189040  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2007-7-27 12618 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 9.9 miles north of its junction with CA-20 1774 Comment
  UCR189041  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2007-7-27 12617 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR189042  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2007-7-27 12616 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR189043  Anthoxanthum odoratum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12597 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR189044  Lotus oblongifolius var. oblongifolius George K. Helmkamp, E. A. Helmkamp 2007-7-27 12610 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 11.2 miles north of its junction with CA-20 1793 Comment
  UCR189147  Hypericum formosum var. scouleri George K. Helmkamp, E. A. Helmkamp 2007-7-27 12595 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR189148  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12593 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR189149  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2007-7-27 12599 B Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR189150  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2007-7-27 12592 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR189152  Juncus effusus George K. Helmkamp, E. A. Helmkamp 2007-7-27 12598 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR189156  Carex multicaulis George K. Helmkamp, E. A. Helmkamp 2007-7-27 12594 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR189449  Cytisus scoparius George K. Helmkamp, E. A. Helmkamp 2007-3-31 11726 Nevada Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River 390 Comment
  UCR189450  Umbellularia californica George K. Helmkamp, E. A. Helmkamp 2007-3-31 11727 Nevada Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River 390 Comment
  UCR189451  Arbutus menziesii George K. Helmkamp, E. A. Helmkamp 2007-3-31 11728 Nevada Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River 390 Comment
  UCR189499  Salix lucida subsp. lasiandra George K. Helmkamp, E. A. Helmkamp 2007-8-1 12668 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190157  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp 2007-8-1 12654 Nevada Northern Sierra Nevada Mountains, Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road 2073 Comment
  UCR190158  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp 2007-8-1 12653 Nevada Northern Sierra Nevada Mountains, Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road 2073 Comment
  UCR190159  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2007-8-1 12652 Nevada Northern Sierra Nevada Mountains, Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road 2073 Comment
  UCR190213  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2007-8-1 12661 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190214  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2007-8-1 12665 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190215  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2007-8-1 12664 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190216  Aster occidentalis var. yosemitanus George K. Helmkamp, E. A. Helmkamp 2007-8-1 12666 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190217  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2007-8-1 12667 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190218  Trifolium pratense George K. Helmkamp, E. A. Helmkamp 2007-8-1 12669 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190219  Chrysanthemum leucanthemum George K. Helmkamp, E. A. Helmkamp 2007-8-1 12670 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190220  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2007-8-1 12671 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190221  Horkelia fusca subsp. parviflora George K. Helmkamp, E. A. Helmkamp 2007-8-1 12655 Nevada Northern Sierra Nevada Mountains, Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road 2073 Comment
  UCR190324  Digitalis purpurea George K. Helmkamp, E. A. Helmkamp 2007-8-1 12663 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190325  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2007-8-1 12662 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190326  Agastache urticifolia George K. Helmkamp, E. A. Helmkamp 2007-8-1 12660 Nevada Northern Sierra Nevada Mountains, near Camp Spaulding; along Lake Spaulding Road 0.4 mile north of its junction with CA-20 1573 Comment
  UCR190327  Castilleja tenuis George K. Helmkamp, E. A. Helmkamp 2007-8-1 12659 Nevada Northern Sierra Nevada Mountains, Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road 2073 Comment
  UCR190328  Juncus nevadensis George K. Helmkamp, E. A. Helmkamp 2007-8-1 12658 Nevada Northern Sierra Nevada Mountains, Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road 2073 Comment
  UCR190329  Anaphalis margaritacea George K. Helmkamp, E. A. Helmkamp 2007-8-1 12657 Nevada Northern Sierra Nevada Mountains, Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road 2073 Comment
  UCR190330  Erigeron peregrinus subsp. callianthemus George K. Helmkamp, E. A. Helmkamp 2007-8-1 12656 Nevada Northern Sierra Nevada Mountains, Soda Lake Road in the vicinity of Lake Van Norden, 0.2 mile south of Donner Pass Road 2073 Comment
  UCR191036  Rosa bridgesii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12335 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR191037  Horkelia tridentata subsp. tridentata George K. Helmkamp, E. A. Helmkamp 2007-6-12 12334 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR191038  Rhamnus purshiana George K. Helmkamp, E. A. Helmkamp 2007-6-12 12333 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR191039  Mimulus jepsonii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12332 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR191040  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2007-6-12 12331 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR191092  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12336 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR191095  Navarretia leucocephala subsp. minima George K. Helmkamp, E. A. Helmkamp 2007-6-12 12330 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR193102  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2007-6-12 12349 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  UCR193103  Sisyrinchium idahoense var. occidentale George K. Helmkamp, E. A. Helmkamp 2007-6-12 12348 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  UCR193104  Elymus cinereus George K. Helmkamp, E. A. Helmkamp 2007-6-12 12346 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  UCR193105  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12337 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR193106  Calochortus minimus George K. Helmkamp, E. A. Helmkamp 2007-6-12 12338 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR193107  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2007-6-12 12339 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR193108  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2007-6-12 12340 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR193109  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-6-12 12350 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  UCR193110  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2007-6-12 12351 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  UCR193112  Phacelia marcescens George K. Helmkamp, E. A. Helmkamp 2007-6-12 12341 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR193113  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2007-6-12 12342 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR193114  Trifolium pratense George K. Helmkamp, E. A. Helmkamp 2007-6-12 12343 Nevada Northern Sierra Nevada Mountains, Spaulding Lake Road, 0.3 mile north of its junction with Hwy CA-20 1604 Comment
  UCR193115  Plagiobothrys cognatus George K. Helmkamp, E. A. Helmkamp 2007-6-12 12344 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  UCR193116  Madia minima George K. Helmkamp, E. A. Helmkamp 2007-6-12 12347 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  UCR193117  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2007-6-12 12356 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 2.9 miles north of its junction with Hwy CA-20; just north of the South Yuba River 1451 Comment
  UCR193280  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-6-12 12357 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 2.9 miles north of its junction with Hwy CA-20; just north of the South Yuba River 1451 Comment
  UCR193281  Keckiella breviflora subsp. breviflora George K. Helmkamp, E. A. Helmkamp 2007-6-12 12359 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 2.9 miles north of its junction with Hwy CA-20; just north of the South Yuba River 1451 Comment
  UCR193283  Veratrum californicum var. californicum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12345 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  UCR193284  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12353 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  UCR193285  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-6-12 12354 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 2.9 miles north of its junction with Hwy CA-20; just north of the South Yuba River 1451 Comment
  UCR193286  Streptanthus tortuosus var. orbiculatus George K. Helmkamp, E. A. Helmkamp 2007-6-12 12355 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 2.9 miles north of its junction with Hwy CA-20; just north of the South Yuba River 1451 Comment
  UCR194864  Juncus oxymeris George K. Helmkamp, E. A. Helmkamp 2007-5-26 12111 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.0 mile northeast of CA-49 622 Comment
  UCR194865  Juncus bufonius var. bufonius George K. Helmkamp, E. A. Helmkamp 2007-5-26 12110 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.0 mile northeast of CA-49 622 Comment
  UCR194866  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2007-5-26 12122 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of North San Juan 610 Comment
  UCR194867  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-5-26 12116 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.0 mile northeast of CA-49 622 Comment
  UCR194868  Brodiaea elegans George K. Helmkamp, E. A. Helmkamp 2007-5-26 12115 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.0 mile northeast of CA-49 622 Comment
  UCR194869  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2007-5-26 12114 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.0 mile northeast of CA-49 622 Comment
  UCR194870  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2007-5-26 12117 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of North San Juan 610 Comment
  UCR194871  Lupinus latifolius var. columbianus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12119 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of North San Juan 610 Comment
  UCR194872  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12118 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of North San Juan 610 Comment
  UCR194873  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2007-5-26 12121 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of North San Juan 610 Comment
  UCR194874  Cerastium fontanum subsp. vulgare George K. Helmkamp, E. A. Helmkamp 2007-5-26 12120 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of North San Juan 610 Comment
  UCR194875  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2007-5-26 12125 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of North San Juan 610 Comment
  UCR194876  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-26 12124 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of North San Juan 610 Comment
  UCR194877  Cornus nuttallii George K. Helmkamp, E. A. Helmkamp 2007-5-26 12123 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of North San Juan 610 Comment
  UCR194878  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2007-5-26 12108 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.7 miles northeast of CA-49 617 Comment
  UCR194879  Calochortus superbus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12109 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.0 mile northeast of CA-49 622 Comment
  UCR194880  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-5-26 12105 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.7 miles northeast of CA-49 617 Comment
  UCR194881  Hypochaeris radicata George K. Helmkamp, E. A. Helmkamp 2007-5-26 12103 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.7 miles northeast of CA-49 617 Comment
  UCR194882  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2007-5-26 12112 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.0 mile northeast of CA-49 622 Comment
  UCR194883  Triteleia George K. Helmkamp, E. A. Helmkamp 2007-5-26 12107 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.7 miles northeast of CA-49 617 Comment
  UCR194884  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2007-5-26 12100 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River 372 Comment
  UCR194885  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2007-5-26 12101 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River 372 Comment
  UCR194886  Philadelphus lewisii George K. Helmkamp, E. A. Helmkamp 2007-5-26 12102 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River 372 Comment
  UCR195154  Rubus discolor George K. Helmkamp, E. A. Helmkamp 2007-5-26 12086 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City 518 Comment
  UCR195156  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2007-5-26 12085 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City 518 Comment
  UCR195158  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12089 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City 518 Comment
  UCR195159  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2007-5-26 12090 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City 518 Comment
  UCR195160  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12087 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City 518 Comment
  UCR195161  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12088 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City 518 Comment
  UCR195162  Cynoglossum grande George K. Helmkamp, E. A. Helmkamp 2007-5-26 12094 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City 518 Comment
  UCR195163  Tauschia hartwegii George K. Helmkamp, E. A. Helmkamp 2007-5-26 12093 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City 518 Comment
  UCR195164  Lupinus latifolius var. columbianus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12092 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City 518 Comment
  UCR195165  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2007-5-26 12091 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City 518 Comment
  UCR195166  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12098 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River 372 Comment
  UCR195167  Rhamnus californica subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2007-5-26 12097 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River 372 Comment
  UCR195168  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2007-5-26 12095 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City 518 Comment
  UCR195169  Triteleia George K. Helmkamp, E. A. Helmkamp 2007-5-26 12113 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.0 mile northeast of CA-49 622 Comment
  UCR195171  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2007-5-26 12099 Nevada Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River 372 Comment
  UCR195710  Carex George K. Helmkamp, E. A. Helmkamp 2007-5-26 12106 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.7 miles northeast of CA-49 617 Comment
  UCR195711  Briza maxima George K. Helmkamp, E. A. Helmkamp 2007-5-26 12104 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.7 miles northeast of CA-49 617 Comment
  UCR196932  Madia citrigracilis George K. Helmkamp, E. A. Helmkamp 2008-5-20 13455 Nevada Sierra Nevada Mountains Foothills, along CA-49, about 6 miles north of Nevada City 518 Comment
  UCR196933  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2008-5-20 13457 Nevada Sierra Nevada Mountains Foothills, along CA-49, about 6 miles north of Nevada City 518 Comment
  UCR197007  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2008-5-20 13456 Nevada Sierra Nevada Mountains Foothills, along CA-49, about 6 miles north of Nevada City 518 Comment
  UCR197656  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2008-5-20 13458 Nevada Sierra Nevada Mountains Foothills, along CA-49, about 6 miles north of Nevada City 518 Comment
  UCR200881  Pinus lambertiana George K. Helmkamp, E. A. Helmkamp 2008-9-18 14128 Nevada Northern Sierra Nevada Mountains, Graniteville on Graniteville Road, c. 30 miles east of the junction of Tyler-Foote Road and CA-49 and c. 6 miles west of Bowman Lake 1546 Comment
  UCR200884  Ericameria arborescens George K. Helmkamp, E. A. Helmkamp 2008-9-18 14132 Nevada Foothills, northern Sierra Nevada Mountains, Along Marysville Road, 0.8 mile southwest of its junction with CA-49 595 Comment
  UCR200885  Keckiella lemmonii George K. Helmkamp, E. A. Helmkamp 2008-9-18 14133 Nevada Northern Sierra Nevada Mountains, along Graniteville Road about 2.5 miles southwest of Graniteville 1555 Comment
  UCR200887  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2008-9-18 14127 Nevada Northern Sierra Nevada Mountains, Graniteville on Graniteville Road, c. 30 miles east of the junction of Tyler-Foote Road and CA-49 and c. 6 miles west of Bowman Lake 1546 Comment
  UCR200888  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2008-9-18 14126 Nevada Foothills, northern Sierra Nevada Mountains, Tyler-Foote Road 5.0 miles northeast of the junction with CA-49 777 Comment
  UCR200889  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2008-9-18 14125 Nevada Foothills, northern Sierra Nevada Mountains, Tyler-Foote Road 5.0 miles northeast of the junction with CA-49 777 Comment
  UCR200890  Muhlenbergia rigens George K. Helmkamp, E. A. Helmkamp 2008-9-18 14124 Nevada Foothills, northern Sierra Nevada Mountains, Tyler-Foote Road 5.0 miles northeast of the junction with CA-49 777 Comment
  UCR200891  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2008-9-18 14123 Nevada Foothills, northern Sierra Nevada Mountains, Tyler-Foote Road 5.0 miles northeast of the junction with CA-49 777 Comment
  UCR200892  Madia citriodora George K. Helmkamp, E. A. Helmkamp 2008-9-18 14122 Nevada Foothills, northern Sierra Nevada Mountains, Tyler-Foote Road 5.0 miles northeast of the junction with CA-49 777 Comment
  UCR201904  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2008-8-20 14037 Nevada Northern Sierra Nevada Mountains, Donner Pass Road north of and parallel to US-80 beside South Yuba River and just east of Kingvale 1860 Comment
  UCR201930  Ribes roezlii var. roezlii George K. Helmkamp, E. A. Helmkamp 2008-8-20 14038 Nevada Northern Sierra Nevada Mountains, Donner Pass Road north of and parallel to US-80 beside South Yuba River and just east of Kingvale 1860 Comment
  UCR205137  Ranunculus orthorhynchus var. orthorhynchus George K. Helmkamp, E. A. Helmkamp 2007-6-12 12352 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road 0.6 mile north of Hwy CA-20, at the border of Placer Co. 1387 Comment
  UCR206910  Hypochaeris radicata George K. Helmkamp, E. A. Helmkamp 2009-5-28 14817 Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR206911  Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2009-5-28 14815 Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR206961  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2009-5-28 14818 Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR206962  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2009-5-28 14817 A Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR206963  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2009-5-28 14814 Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR206964  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2009-5-28 14813 Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR206965  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2009-5-28 14812 Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR206966  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2009-5-28 14816 Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR206967  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2009-5-28 14820 Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR206968  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2009-5-28 14819 A Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR206969  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2009-5-28 14819 B Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR207030  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14810 Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR207031  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2009-5-28 14811 Nevada Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City 780 Comment
  UCR229409  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17867 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229426  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2011-7-26 17875 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229472  Heterocodon rariflorum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17874 A Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229473  Mimulus torreyi George K. Helmkamp, E. A. Helmkamp 2011-7-26 17874 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229474  Navarretia leucocephala subsp. minima George K. Helmkamp, E. A. Helmkamp 2011-7-26 17873 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229475  Plantago major George K. Helmkamp, E. A. Helmkamp 2011-7-26 17872 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229476  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17871 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229477  Deschampsia elongata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17870 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229478  Lupinus latifolius var. columbianus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17886 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229479  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17888 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229481  Heracleum maximum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17885 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229482  Veratrum californicum var. californicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17884 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229483  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2011-7-26 17883 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229484  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2011-7-26 17882 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229485  Scirpus microcarpus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17880 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229486  Agastache urticifolia George K. Helmkamp, E. A. Helmkamp 2011-7-26 17881 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229527  Juncus bufonius var. bufonius George K. Helmkamp, E. A. Helmkamp 2011-7-26 17879 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229540  Danthonia unispicata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17869 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229541  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17868 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229542  Juncus tenuis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17866 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229548  Cryptantha affinis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17890 B Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229549  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-7-26 17890 A Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229550  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-7-26 17889 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229551  Epilobium ciliatum subsp. glandulosum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17887 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229564  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17878 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229565  Navarretia leucocephala subsp. minima George K. Helmkamp, E. A. Helmkamp 2011-7-26 17877 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR229566  Perideridia parishii subsp. latifolia George K. Helmkamp, E. A. Helmkamp 2011-7-26 17876 Nevada Northern Sierra Nevada Mountains, along CA Hwy 20, 0.8 mi. east of Bowman Lake Road, 1.23 mi. NE (50 deg. ) of Emigrant Gap and 0.35 mi. N of I-80 1541 Comment
  UCR230091  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-5-26 17393 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley, 0.2 mile south of CA-174 at the junction of Meadow View Road and Peardale Road 834 Comment
  UCR230102  Salix laevigata George K. Helmkamp, E. A. Helmkamp 2011-5-26 17394 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley, 0.2 mile south of CA-174 at the junction of Meadow View Road and Peardale Road 834 Comment
  UCR230103  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2011-5-26 17392 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley, 0.2 mile south of CA-174 at the junction of Meadow View Road and Peardale Road 834 Comment
  UCR230108  Vicia villosa George K. Helmkamp, E. A. Helmkamp 2011-5-26 17384 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  UCR230109  Dactylis glomerata George K. Helmkamp, E. A. Helmkamp 2011-5-26 17383 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  UCR230110  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2011-5-26 17382 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  UCR230111  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-5-26 17381 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  UCR230112  Cytisus scoparius George K. Helmkamp, E. A. Helmkamp 2011-5-26 17388 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  UCR230609  Galium aparine George K. Helmkamp, E. A. Helmkamp 2011-5-26 17386 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  UCR230610  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2011-5-26 17385 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  UCR230628  Tragopogon porrifolius George K. Helmkamp, E. A. Helmkamp 2011-5-26 17391 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley, 0.2 mile south of CA-174 at the junction of Meadow View Road and Peardale Road 834 Comment
  UCR230629  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2011-5-26 17390 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley, 0.2 mile south of CA-174 at the junction of Meadow View Road and Peardale Road 834 Comment
  UCR230630  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp 2011-5-26 17387 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  UCR230637  Madia elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2011-5-26 17380 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  UCR230638  Madia subspicata George K. Helmkamp, E. A. Helmkamp 2011-5-26 17379 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley near Rollins Reservoir dam, along CA-174 NNW of Colfax, just west of the bridge over Bear River 613 Comment
  UCR230987  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-6-9 17530 Nevada Northern Sierra Nevada Mountains Foothills, in the village of North Columbia 919 Comment
  UCR231306  Trifolium subterraneum George K. Helmkamp, E. A. Helmkamp 2011-5-26 17403 Nevada Northern Sierra Nevada Mountains Foothills, Grass Valley, church driveway at CA-49, about 0.2 mile south of Old White Toll Road 747 Comment
  UCR231307  Trifolium incarnatum George K. Helmkamp, E. A. Helmkamp 2011-5-26 17402 Nevada Northern Sierra Nevada Mountains Foothills, Grass Valley, church driveway at CA-49, about 0.2 mile south of Old White Toll Road 747 Comment
  UCR231308  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2011-5-26 17401 Nevada Northern Sierra Nevada Mountains Foothills, Grass Valley, church driveway at CA-49, about 0.2 mile south of Old White Toll Road 747 Comment
  UCR231309  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-5-26 17400 Nevada Northern Sierra Nevada Mountains Foothills, Grass Valley, church driveway at CA-49, about 0.2 mile south of Old White Toll Road 747 Comment
  UCR231310  Festuca pratensis George K. Helmkamp, E. A. Helmkamp 2011-5-26 17399 Nevada Northern Sierra Nevada Mountains Foothills, southeast outskirts of of Grass Valley, Brunswick Road 0.2 mile northwest of the junction with Wood Rose Way 846 Comment
  UCR231327  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 2011-5-26 17397 Nevada Northern Sierra Nevada Mountains Foothills, southeast outskirts of of Grass Valley, Brunswick Road 0.2 mile northwest of the junction with Wood Rose Way 846 Comment
  UCR231330  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-5-26 17398 Nevada Northern Sierra Nevada Mountains Foothills, southeast outskirts of of Grass Valley, Brunswick Road 0.2 mile northwest of the junction with Wood Rose Way 846 Comment
  UCR232207  Rorippa nasturtium-aquaticum George K. Helmkamp, E. A. Helmkamp 2011-5-26 17396 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley, 0.2 mile south of CA-174 at the junction of Meadow View Road and Peardale Road 834 Comment
  UCR232274  Calocedrus decurrens George K. Helmkamp, E. A. Helmkamp 2011-9-30 18360 Nevada Northern Sierra Nevada Mountains, small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road 1581 Comment
  UCR232275  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2011-9-30 18361 Nevada Northern Sierra Nevada Mountains, small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road 1581 Comment
  UCR232276  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-9-30 18362 Nevada Northern Sierra Nevada Mountains, small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road 1581 Comment
  UCR232277  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-9-30 18363 Nevada Northern Sierra Nevada Mountains, small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road 1581 Comment
  UCR232278  Elymus lanceolatus subsp. lanceolatus George K. Helmkamp, E. A. Helmkamp 2011-9-30 18364 Nevada Northern Sierra Nevada Mountains, small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road 1581 Comment
  UCR232279  Bromus orcuttianus George K. Helmkamp, E. A. Helmkamp 2011-9-30 18365 Nevada Northern Sierra Nevada Mountains, small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road 1581 Comment
  UCR232296  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 2011-5-26 17389 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley, 0.2 mile south of CA-174 at the junction of Meadow View Road and Peardale Road 834 Comment
  UCR232297  Scirpus microcarpus George K. Helmkamp, E. A. Helmkamp 2011-5-26 17395 Nevada Northern Sierra Nevada Mountains Foothills, SE of Grass Valley, 0.2 mile south of CA-174 at the junction of Meadow View Road and Peardale Road 834 Comment
  UCR232616  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2011-9-30 18350 Nevada Northern Sierra Nevada Mountains Foothills, Dutch Flat X Road (extension of Diggins Hill Road), 3.1 miles northeast of Dutch Flat and north of the Bear River Reservoir 854 Comment
  UCR232617  Chenopodium atrovirens George K. Helmkamp, E. A. Helmkamp 2011-9-30 18366 Nevada Northern Sierra Nevada Mountains, small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road 1581 Comment
  UCR232618  Gayophytum heterozygum George K. Helmkamp, E. A. Helmkamp 2011-9-30 18367 Nevada Northern Sierra Nevada Mountains, small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road 1581 Comment
  UCR232650  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2011-9-30 18347 Nevada Northern Sierra Nevada Mountains Foothills, Dutch Flat X Road (extension of Diggins Hill Road), 3.1 miles northeast of Dutch Flat and north of the Bear River Reservoir 854 Comment
  UCR232651  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2011-9-30 18348 Nevada Northern Sierra Nevada Mountains Foothills, Dutch Flat X Road (extension of Diggins Hill Road), 3.1 miles northeast of Dutch Flat and north of the Bear River Reservoir 854 Comment
  UCR232652  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2011-9-30 18349 Nevada Northern Sierra Nevada Mountains Foothills, Dutch Flat X Road (extension of Diggins Hill Road), 3.1 miles northeast of Dutch Flat and north of the Bear River Reservoir 854 Comment
  UCR232653  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2011-9-30 18351 Nevada Northern Sierra Nevada Mountains Foothills, Dutch Flat X Road (extension of Diggins Hill Road), 3.1 miles northeast of Dutch Flat and north of the Bear River Reservoir 854 Comment
  UCR232654  Digitalis purpurea George K. Helmkamp, E. A. Helmkamp 2011-9-30 18352 Nevada Foothills, northern Sierra Nevada Mountains, Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir 1189 Comment
  UCR232655  Cirsium vulgare George K. Helmkamp, E. A. Helmkamp 2011-9-30 18353 Nevada Foothills, northern Sierra Nevada Mountains, Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir 1189 Comment
  UCR232656  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2011-9-30 18354 Nevada Foothills, northern Sierra Nevada Mountains, Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir 1189 Comment
  UCR232660  Galium triflorum George K. Helmkamp, E. A. Helmkamp 2011-9-30 18355 Nevada Foothills, northern Sierra Nevada Mountains, Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir 1189 Comment
  UCR232661  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2011-9-30 18356 Nevada Foothills, northern Sierra Nevada Mountains, Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir 1189 Comment
  UCR232662  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2011-9-30 18357 Nevada Northern Sierra Nevada Mountains, small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road 1581 Comment
  UCR232663  Smilacina racemosa George K. Helmkamp, E. A. Helmkamp 2011-9-30 18358 Nevada Northern Sierra Nevada Mountains, small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road 1581 Comment
  UCR232664  Croton setiger George K. Helmkamp, E. A. Helmkamp 2011-9-30 18359 Nevada Northern Sierra Nevada Mountains, small, open flat along CA-20, 2.6 miles west of its junction with Lowell Hill Road 1581 Comment
  UCR233090  Chlorogalum pomeridianum var. pomeridianum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17750 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233091  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2011-7-17 17751 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233092  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17752 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233093  Elymus glaucus George K. Helmkamp, E. A. Helmkamp 2011-7-17 17740 Nevada Northern Sierra Nevada Mountains Foothills, Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run 867 Comment
  UCR233094  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2011-7-17 17739 Nevada Northern Sierra Nevada Mountains Foothills, Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run 867 Comment
  UCR233095  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2011-7-17 17741 Nevada Northern Sierra Nevada Mountains Foothills, Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run 867 Comment
  UCR233096  Piperia transversa George K. Helmkamp, E. A. Helmkamp 2011-7-17 17742 Nevada Northern Sierra Nevada Mountains Foothills, Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run 867 Comment
  UCR233097  Cytisus scoparius George K. Helmkamp, E. A. Helmkamp 2011-7-17 17743 Nevada Northern Sierra Nevada Mountains Foothills, Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run 867 Comment
  UCR233098  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17744 Nevada Northern Sierra Nevada Mountains Foothills, Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run 867 Comment
  UCR233099  Rubus discolor George K. Helmkamp, E. A. Helmkamp 2011-7-17 17745 Nevada Northern Sierra Nevada Mountains Foothills, Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run 867 Comment
  UCR233100A  Madia citrigracilis George K. Helmkamp, E. A. Helmkamp 2011-7-17 17746 Nevada Northern Sierra Nevada Mountains Foothills, Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run 867 Comment
  UCR233100B  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-6-9 17519 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233101B  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2011-6-9 17518 A Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233106A  Lewisia cantelovii George K. Helmkamp, E. A. Helmkamp 2011-6-9 17517 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233112A  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-7-17 17755 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233114A  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-7-17 17754 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233115A  Mimulus torreyi George K. Helmkamp, E. A. Helmkamp 2011-7-17 17756 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233116A  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2011-7-17 17757 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233117A  Madia exigua George K. Helmkamp, E. A. Helmkamp 2011-7-17 17747 Nevada Northern Sierra Nevada Mountains Foothills, Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run 867 Comment
  UCR233118A  Polygala cornuta var. cornuta George K. Helmkamp, E. A. Helmkamp 2011-7-17 17748 Nevada Northern Sierra Nevada Mountains Foothills, Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run 867 Comment
  UCR233172B  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2011-7-17 17764 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233174B  Chamaebatia foliolosa George K. Helmkamp, E. A. Helmkamp 2011-6-9 17513 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233198  Cirsium occidentale var. candidissimum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17761 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233199  Monardella breweri subsp. lanceolata George K. Helmkamp, E. A. Helmkamp 2011-7-17 17758 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233199B  Nemophila pedunculata George K. Helmkamp, E. A. Helmkamp 2011-6-9 17518 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233200  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-7-17 17762 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233201  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2011-7-17 17766 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233202  Agrostis pallens George K. Helmkamp, E. A. Helmkamp 2011-7-17 17772 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233203  Clarkia biloba subsp. biloba George K. Helmkamp, E. A. Helmkamp 2011-7-17 17777 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233204  Streptanthus George K. Helmkamp, E. A. Helmkamp 2011-6-9 17516 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233225  Potentilla glandulosa George K. Helmkamp, E. A. Helmkamp 2011-6-9 17520 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233227  Sedum spathulifolium George K. Helmkamp, E. A. Helmkamp 2011-6-9 17521 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233228  Polystichum imbricans George K. Helmkamp, E. A. Helmkamp 2011-6-9 17522 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233235  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17738 Nevada Northern Sierra Nevada Mountains Foothills, Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run 867 Comment
  UCR233417  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2011-6-9 17529 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233418  Silene californica George K. Helmkamp, E. A. Helmkamp 2011-6-9 17528 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233419  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2011-6-9 17527 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233420  Castilleja affinis George K. Helmkamp, E. A. Helmkamp 2011-6-9 17525 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233421  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2011-6-9 17526 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233425  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2011-6-9 17524 A Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233426  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-6-9 17524 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233427  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2011-6-9 17523 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233619  Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2011-7-17 17789 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233620  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17787 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233621  Convolvulus arvensis George K. Helmkamp, E. A. Helmkamp 2011-7-17 17783 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233622  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2011-7-17 17784 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233623  Lythrum hyssopifolia George K. Helmkamp, E. A. Helmkamp 2011-7-17 17785 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233624  Asclepias cordifolia George K. Helmkamp, E. A. Helmkamp 2011-6-9 17507 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233625  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17780 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.0 miles east of its junction with CA-174, 0.6 mile west of the crossing over Greenhorn Creek, 2.7 miles ESE (95 deg. ) of Peardale 762 Comment
  UCR233626  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2011-7-17 17781 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.0 miles east of its junction with CA-174, 0.6 mile west of the crossing over Greenhorn Creek, 2.7 miles ESE (95 deg. ) of Peardale 762 Comment
  UCR233627  Daucus carota George K. Helmkamp, E. A. Helmkamp 2011-7-17 17782 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.0 miles east of its junction with CA-174, 0.6 mile west of the crossing over Greenhorn Creek, 2.7 miles ESE (95 deg. ) of Peardale 762 Comment
  UCR233628  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-7-17 17788 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233629  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2011-6-9 17509 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233630  Fragaria vesca George K. Helmkamp, E. A. Helmkamp 2011-6-9 17498 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.6 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 930 Comment
  UCR233631  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-6-9 17510 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233632  Veronica serpyllifolia subsp. humifusa George K. Helmkamp, E. A. Helmkamp 2011-6-9 17499 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.6 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 930 Comment
  UCR233633  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2011-6-9 17500 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.6 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 930 Comment
  UCR233634  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2011-6-9 17501 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233638  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2011-6-9 17508 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233639  Croton setiger George K. Helmkamp, E. A. Helmkamp 2011-7-17 17786 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233640  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2011-6-9 17497 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 1.6 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 930 Comment
  UCR233641  Alisma triviale George K. Helmkamp, E. A. Helmkamp 2011-7-17 17795 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233642  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2011-7-17 17793 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233643  Triticum aestivum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17792 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233644  Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2011-7-17 17790 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233645  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2011-6-9 17503 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233646  Poa secunda George K. Helmkamp, E. A. Helmkamp 2011-6-9 17502 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233647  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2011-7-17 17768 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233648  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2011-7-17 17765 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233649  Madia citrigracilis George K. Helmkamp, E. A. Helmkamp 2011-7-17 17763 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233650  Fraxinus latifolia George K. Helmkamp, E. A. Helmkamp 2011-7-17 17760 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233651  Leucanthemum vulgare George K. Helmkamp, E. A. Helmkamp 2011-7-17 17797 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233652  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2011-7-17 17759 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233653  Leucanthemum vulgare George K. Helmkamp, E. A. Helmkamp 2011-7-17 17779 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.0 miles east of its junction with CA-174, 0.6 mile west of the crossing over Greenhorn Creek, 2.7 miles ESE (95 deg. ) of Peardale 762 Comment
  UCR233654  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2011-7-17 17778 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.0 miles east of its junction with CA-174, 0.6 mile west of the crossing over Greenhorn Creek, 2.7 miles ESE (95 deg. ) of Peardale 762 Comment
  UCR233655  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2011-7-17 17776 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233656  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-7-17 17773 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233657  Dactylis glomerata George K. Helmkamp, E. A. Helmkamp 2011-7-17 17771 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233658  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2011-7-17 17769 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233659  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-7-17 17791 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road just northeast of its junction with CA-174, 1.25 mi. east (91 deg. ) of Peardale 778 Comment
  UCR233661  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2011-7-17 17774 Nevada Northern Sierra Nevada Mountains Foothills, You Bet Road, 2.6 miles east of its junction with CA-174 and at the crossing over Greenhorn Creek, 3.18 miles ESE (95 deg. ) of Peardale 686 Comment
  UCR233663  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2011-6-9 17515 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.3 miles north of its junction with Grizzly Hill Road, NE of North Columbia near the Sierra Co. line/Middle Yuba River 878 Comment
  UCR233667  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2011-6-9 17504 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233668  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2011-6-9 17505 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233669  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2011-6-9 17506 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233675  Tauschia hartwegii George K. Helmkamp, E. A. Helmkamp 2011-6-9 17512 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233676  Castilleja affinis George K. Helmkamp, E. A. Helmkamp 2011-6-9 17511 Nevada Northern Sierra Nevada Mountains Foothills, Tyler Foote Crossing Road, 3.0 miles north of its junction with Grizzly Hill Road, generally north of North Columbia 884 Comment
  UCR233677  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp 2010-8-26 16860 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR233678  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2010-8-26 16851 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR233679  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2010-8-26 16852 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR233680  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2010-8-26 16853 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR233681  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2010-8-26 16856 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR233682  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-8-26 16857 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR233683  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2010-8-26 16858 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR233684  Anaphalis margaritacea George K. Helmkamp, E. A. Helmkamp 2010-8-26 16849 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR233685  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-8-26 16848 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR233686  Lupinus polyphyllus var. burkei George K. Helmkamp, E. A. Helmkamp 2010-8-26 16866 Nevada Northern Sierra Nevada Mountains, Eagle Lakes Road, about 0.5 mile west of its junction with Carlyle Road, 5.8 mi. NE (66 deg. ) of Emigrant Gap, N of I-80 1655 Comment
  UCR233687  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2010-8-26 16862 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR233688  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2010-8-26 16859 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR234164  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2010-8-26 16855 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR234165  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2010-8-26 16854 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR234170  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2010-8-26 16863 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR234171  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-8-26 16864 Nevada Northern Sierra Nevada Mountains, Eagle Lakes Road, about 0.5 mile west of its junction with Carlyle Road, 5.8 mi. NE (66 deg. ) of Emigrant Gap, N of I-80 1655 Comment
  UCR234172  Aster integrifolius George K. Helmkamp, E. A. Helmkamp 2010-8-26 16865 Nevada Northern Sierra Nevada Mountains, Eagle Lakes Road, about 0.5 mile west of its junction with Carlyle Road, 5.8 mi. NE (66 deg. ) of Emigrant Gap, N of I-80 1655 Comment
  UCR234174  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-8-26 16867 Nevada Northern Sierra Nevada Mountains, Eagle Lakes Road, about 0.5 mile west of its junction with Carlyle Road, 5.8 mi. NE (66 deg. ) of Emigrant Gap, N of I-80 1655 Comment
  UCR234175  Agastache urticifolia George K. Helmkamp, E. A. Helmkamp 2010-8-26 16868 Nevada Northern Sierra Nevada Mountains, Eagle Lakes Road, about 0.5 mile west of its junction with Carlyle Road, 5.8 mi. NE (66 deg. ) of Emigrant Gap, N of I-80 1655 Comment
  UCR234176  Perideridia lemmonii George K. Helmkamp, E. A. Helmkamp 2010-8-26 16861 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR234576  Pentagramma triangularis subsp. triangularis George K. Helmkamp, E. A. Helmkamp 2011-6-2 17452 Nevada Northern Sierra Nevada Mountains Foothills, 2.25 miles SW (226 deg. ) of French Corral, along Pleasant Valley Road, 1.1 miles south of its crossing of the South Fork Yuba River 255 Comment
  UCR234577  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-6-2 17453 Nevada Northern Sierra Nevada Mountains Foothills, 2.25 miles SW (226 deg. ) of French Corral, along Pleasant Valley Road, 1.1 miles south of its crossing of the South Fork Yuba River 255 Comment
  UCR234578  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2011-6-2 17454 Nevada Northern Sierra Nevada Mountains Foothills, 3.25 miles SW (216 deg. ) of French Corral, along Pleasant Valley Road, 3.3 miles south of its crossing of the South Fork Yuba River 338 Comment
  UCR234579  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2011-6-2 17435 Nevada Northern Sierra Nevada Mountains Foothills, Lake Wildwood, along Pleasant Valley Road, 1.2 miles north of its junction with CA-20 433 Comment
  UCR234580  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2011-6-2 17436 Nevada Northern Sierra Nevada Mountains Foothills, Lake Wildwood, along Pleasant Valley Road, 1.2 miles north of its junction with CA-20 433 Comment
  UCR234581  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2011-6-2 17437 Nevada Northern Sierra Nevada Mountains Foothills, Lake Wildwood, along Pleasant Valley Road, 1.2 miles north of its junction with CA-20 433 Comment
  UCR234582  Triteleia ixioides subsp. scabra George K. Helmkamp, E. A. Helmkamp 2011-6-2 17438 Nevada Northern Sierra Nevada Mountains Foothills, Lake Wildwood, along Pleasant Valley Road, 1.2 miles north of its junction with CA-20 433 Comment
  UCR234583  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2011-6-2 17439 Nevada Northern Sierra Nevada Mountains Foothills, Lake Wildwood, along Pleasant Valley Road, 1.2 miles north of its junction with CA-20 433 Comment
  UCR234584  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2010-8-26 16845 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR234585  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2010-8-26 16846 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR234586  Gnaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2010-8-26 16832 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234587  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-8-26 16833 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234588  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2010-8-26 16834 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234589  Eriogonum umbellatum var. polyanthum George K. Helmkamp, E. A. Helmkamp 2010-8-26 16837 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234596  Navarretia tagetina George K. Helmkamp, E. A. Helmkamp 2011-6-2 17434 Nevada Northern Sierra Nevada Mountains Foothills, Lake Wildwood, along Pleasant Valley Road, 1.2 miles north of its junction with CA-20 433 Comment
  UCR234597  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17430 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR234598  Lomatium marginatum var. marginatum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17429 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR234599  Geranium molle George K. Helmkamp, E. A. Helmkamp 2011-6-2 17456 Nevada Northern Sierra Nevada Mountains Foothills, 3.25 miles SW (216 deg. ) of French Corral, along Pleasant Valley Road, 3.3 miles south of its crossing of the South Fork Yuba River 338 Comment
  UCR234626  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2010-8-26 16843 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234627  Scutellaria californica George K. Helmkamp, E. A. Helmkamp 2010-8-26 16844 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234628  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2010-8-26 16827 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234629  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-6-2 17447 Nevada Northern Sierra Nevada Mountains Foothills, 2 miles SW (241 deg. ) of French Corral, Pleasant Valley Road just south of the bridge over the South Fork of the Yuba River 180 Comment
  UCR234630  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2011-6-2 17448 Nevada Northern Sierra Nevada Mountains Foothills, 2.25 miles SW (226 deg. ) of French Corral, along Pleasant Valley Road, 1.1 miles south of its crossing of the South Fork Yuba River 255 Comment
  UCR234631  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2011-6-2 17449 Nevada Northern Sierra Nevada Mountains Foothills, 2.25 miles SW (226 deg. ) of French Corral, along Pleasant Valley Road, 1.1 miles south of its crossing of the South Fork Yuba River 255 Comment
  UCR234632  Trifolium willdenovii George K. Helmkamp, E. A. Helmkamp 2011-6-2 17450 Nevada Northern Sierra Nevada Mountains Foothills, 2.25 miles SW (226 deg. ) of French Corral, along Pleasant Valley Road, 1.1 miles south of its crossing of the South Fork Yuba River 255 Comment
  UCR234633  Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2011-6-2 17451 Nevada Northern Sierra Nevada Mountains Foothills, 2.25 miles SW (226 deg. ) of French Corral, along Pleasant Valley Road, 1.1 miles south of its crossing of the South Fork Yuba River 255 Comment
  UCR234634  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 2010-8-26 16829 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234635  Penstemon parvulus George K. Helmkamp, E. A. Helmkamp 2010-8-26 16828 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234636  Solidago altissima George K. Helmkamp, E. A. Helmkamp 2010-8-26 16826 A Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234637  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2010-8-26 16826 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234638  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2010-8-26 16825 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234639  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2010-8-26 16838 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234641  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17440 Nevada Northern Sierra Nevada Mountains Foothills, Lake Wildwood, along Pleasant Valley Road, 1.2 miles north of its junction with CA-20 433 Comment
  UCR234642  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-6-2 17441 Nevada Northern Sierra Nevada Mountains Foothills, Lake Wildwood, along Pleasant Valley Road, 1.2 miles north of its junction with CA-20 433 Comment
  UCR234643  Linum bienne George K. Helmkamp, E. A. Helmkamp 2011-6-2 17442 Nevada Northern Sierra Nevada Mountains Foothills, Lake Wildwood, along Pleasant Valley Road, 1.2 miles north of its junction with CA-20 433 Comment
  UCR234644  Elymus glaucus George K. Helmkamp, E. A. Helmkamp 2011-6-2 17443 Nevada Northern Sierra Nevada Mountains Foothills, Lake Wildwood, along Pleasant Valley Road, 1.2 miles north of its junction with CA-20 433 Comment
  UCR234645  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2011-6-2 17444 Nevada Northern Sierra Nevada Mountains Foothills, 2 miles SW (241 deg. ) of French Corral, Pleasant Valley Road just south of the bridge over the South Fork of the Yuba River 180 Comment
  UCR234646  Marrubium vulgare George K. Helmkamp, E. A. Helmkamp 2011-6-2 17444 A Nevada Northern Sierra Nevada Mountains Foothills, 2 miles SW (241 deg. ) of French Corral, Pleasant Valley Road just south of the bridge over the South Fork of the Yuba River 180 Comment
  UCR234647  Psilocarphus tenellus var. tenellus George K. Helmkamp, E. A. Helmkamp 2011-6-2 17445 Nevada Northern Sierra Nevada Mountains Foothills, 2 miles SW (241 deg. ) of French Corral, Pleasant Valley Road just south of the bridge over the South Fork of the Yuba River 180 Comment
  UCR234648  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2011-6-2 17446 Nevada Northern Sierra Nevada Mountains Foothills, 2 miles SW (241 deg. ) of French Corral, Pleasant Valley Road just south of the bridge over the South Fork of the Yuba River 180 Comment
  UCR234649  Aster integrifolius George K. Helmkamp, E. A. Helmkamp 2010-8-26 16824 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234650  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2010-8-26 16831 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234651  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2010-8-26 16830 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234654  Triteleia laxa George K. Helmkamp, E. A. Helmkamp 2011-6-2 17433 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR234655  Elymus caput-medusae George K. Helmkamp, E. A. Helmkamp 2011-6-2 17432 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR234656  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-6-2 17431 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR234657  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2010-8-26 16839 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234658  Sidalcea George K. Helmkamp, E. A. Helmkamp 2010-8-26 16840 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234659  Agastache urticifolia George K. Helmkamp, E. A. Helmkamp 2010-8-26 16841 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234660  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2010-8-26 16842 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234661  Ageratina occidentalis George K. Helmkamp, E. A. Helmkamp 2010-8-26 16836 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR234662  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2010-8-26 16835 Nevada Northern Sierra Nevada Mountains, South Fork Yuba River, Forest Route 85 (Fordyce Lake Rd) north of Hampshire Rocks Road and I-80, 1 mi. NNW (351 deg. ) of Cisco 1634 Comment
  UCR237018  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2012-4-21 18809 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Amberley Lane, 14.5 mi. NNW (345 deg. ) of Auburn 414 Comment
  UCR237019  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2012-4-21 18808 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Amberley Lane, 14.5 mi. NNW (345 deg. ) of Auburn 414 Comment
  UCR237020  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2012-4-21 18807 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Amberley Lane, 14.5 mi. NNW (345 deg. ) of Auburn 414 Comment
  UCR237021  Claytonia parviflora subsp. parviflora George K. Helmkamp, E. A. Helmkamp 2012-4-21 18806 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Amberley Lane, 14.5 mi. NNW (345 deg. ) of Auburn 414 Comment
  UCR237022  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2012-4-21 18805 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Wolf Road, 13.5 miles NNW (349 deg. ) of Auburn 515 Comment
  UCR237023  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2012-4-21 18804 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Wolf Road, 13.5 miles NNW (349 deg. ) of Auburn 515 Comment
  UCR237024  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-4-21 18803 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Wolf Road, 13.5 miles NNW (349 deg. ) of Auburn 515 Comment
  UCR237040  Vicia sativa subsp. sativa George K. Helmkamp, E. A. Helmkamp 2012-4-21 18802 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Wolf Road, 13.5 miles NNW (349 deg. ) of Auburn 515 Comment
  UCR237041  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-4-21 18816 Nevada Northern Sierra Nevada Mountains Foothills, junction of Perimeter Road and Mackinaw Way, 14.3 miles NW (336 deg. ) of Auburn 409 Comment
  UCR237042  Galium porrigens var. porrigens George K. Helmkamp, E. A. Helmkamp 2012-4-21 18815 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Amberley Lane, 14.5 mi. NNW (345 deg. ) of Auburn 414 Comment
  UCR237043  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-4-21 18814 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Amberley Lane, 14.5 mi. NNW (345 deg. ) of Auburn 414 Comment
  UCR237044  Geranium molle George K. Helmkamp, E. A. Helmkamp 2012-4-21 18813 A Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Amberley Lane, 14.5 mi. NNW (345 deg. ) of Auburn 414 Comment
  UCR237045  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2012-4-21 18813 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Amberley Lane, 14.5 mi. NNW (345 deg. ) of Auburn 414 Comment
  UCR237046  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-4-21 18812 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Amberley Lane, 14.5 mi. NNW (345 deg. ) of Auburn 414 Comment
  UCR237047  Cardamine oligosperma George K. Helmkamp, E. A. Helmkamp 2012-4-21 18811 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Amberley Lane, 14.5 mi. NNW (345 deg. ) of Auburn 414 Comment
  UCR237048  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2012-4-21 18810 Nevada Northern Sierra Nevada Mountains Foothills, junction of Lime Kiln Road and Amberley Lane, 14.5 mi. NNW (345 deg. ) of Auburn 414 Comment
  UCR237098  Plectritis ciliosa subsp. ciliosa George K. Helmkamp, E. A. Helmkamp 2012-4-21 18820 Nevada Northern Sierra Nevada Mountains Foothills, McCourtney Road, 0.4 mile east of its junction with Perimeter Rd., 14.5 mi. NW (338 deg. ) of Auburn 407 Comment
  UCR237099  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2012-4-21 18819 Nevada Northern Sierra Nevada Mountains Foothills, McCourtney Road, 0.4 mile east of its junction with Perimeter Rd., 14.5 mi. NW (338 deg. ) of Auburn 407 Comment
  UCR237100  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 2012-4-21 18817 Nevada Northern Sierra Nevada Mountains Foothills, junction of Perimeter Road and Mackinaw Way, 14.3 miles NW (336 deg. ) of Auburn 409 Comment
  UCR237101  Vulpia bromoides George K. Helmkamp, E. A. Helmkamp 2012-4-21 18818 Nevada Northern Sierra Nevada Mountains Foothills, junction of Perimeter Road and Mackinaw Way, 14.3 miles NW (336 deg. ) of Auburn 409 Comment
  UCR237335  Trisetum canescens George K. Helmkamp, E. A. Helmkamp 2012-6-13 19162 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 2.6 miles north of its junction with CA-20 1088 Comment
  UCR237336  Tragopogon dubius George K. Helmkamp, E. A. Helmkamp 2012-6-13 19163 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 2.6 miles north of its junction with CA-20 1088 Comment
  UCR237337  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19167 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237338  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19154 Nevada Northern Sierra Nevada Mountains, Washington Road, 1.5 miles north of its junction with CA-20 1253 Comment
  UCR237339  Verbena lasiostachys var. lasiostachys George K. Helmkamp, E. A. Helmkamp 2012-6-13 19191 Nevada Northern Sierra Nevada Mountains Foothills, village of Washington, Relief Hill Road, 0.4 mile north of its junction with Maybert Road & NE of the bridge over the South Yuba River 790 Comment
  UCR237340  Elymus glaucus var. glaucus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19156 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 2.6 miles north of its junction with CA-20 1088 Comment
  UCR237341  Calystegia malacophylla subsp. malacophylla George K. Helmkamp, E. A. Helmkamp 2012-6-13 19155 Nevada Northern Sierra Nevada Mountains, Washington Road, 1.5 miles north of its junction with CA-20 1253 Comment
  UCR237342  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-6-13 19168 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237343  Festuca occidentalis George K. Helmkamp, E. A. Helmkamp 2012-6-13 19182 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek 787 Comment
  UCR237344  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2012-6-13 19180 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek 787 Comment
  UCR237345  Lapsana communis George K. Helmkamp, E. A. Helmkamp 2012-6-13 19178 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek 787 Comment
  UCR237346  Castilleja pruinosa George K. Helmkamp, E. A. Helmkamp 2012-6-13 19175 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237347  Madia minima George K. Helmkamp, E. A. Helmkamp 2012-6-13 19160 A Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 2.6 miles north of its junction with CA-20 1088 Comment
  UCR237348  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2012-6-13 19185 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek 787 Comment
  UCR237349  Madia exigua George K. Helmkamp, E. A. Helmkamp 2012-6-13 19160 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 2.6 miles north of its junction with CA-20 1088 Comment
  UCR237350  Phlox speciosa subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2012-6-13 19161 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 2.6 miles north of its junction with CA-20 1088 Comment
  UCR237351  Hypochaeris radicata George K. Helmkamp, E. A. Helmkamp 2012-6-13 19196 Nevada Northern Sierra Nevada Mountains Foothills, village of Washington, Relief Hill Road, 0.4 mile north of its junction with Maybert Road & NE of the bridge over the South Yuba River 790 Comment
  UCR237352  Trifolium glomeratum George K. Helmkamp, E. A. Helmkamp 2012-6-13 19197 Nevada Northern Sierra Nevada Mountains Foothills, village of Washington, Relief Hill Road, 0.4 mile north of its junction with Maybert Road & NE of the bridge over the South Yuba River 790 Comment
  UCR237353  Lychnis coronaria George K. Helmkamp, E. A. Helmkamp 2012-6-13 19200 Nevada Northern Sierra Nevada Mountains Foothills, village of Washington, Relief Hill Road, 0.4 mile north of its junction with Maybert Road & NE of the bridge over the South Yuba River 790 Comment
  UCR237354  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2012-6-13 19195 Nevada Northern Sierra Nevada Mountains Foothills, village of Washington, Relief Hill Road, 0.4 mile north of its junction with Maybert Road & NE of the bridge over the South Yuba River 790 Comment
  UCR237355  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19193 Nevada Northern Sierra Nevada Mountains Foothills, village of Washington, Relief Hill Road, 0.4 mile north of its junction with Maybert Road & NE of the bridge over the South Yuba River 790 Comment
  UCR237356  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2012-6-13 19157 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 2.6 miles north of its junction with CA-20 1088 Comment
  UCR237357  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19159 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 2.6 miles north of its junction with CA-20 1088 Comment
  UCR237358  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp 2012-6-13 19158 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 2.6 miles north of its junction with CA-20 1088 Comment
  UCR237359  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2012-6-13 19202 Nevada Northern Sierra Nevada Mountains Foothills, Maybert Road along South Yuba River, 0.6 mi. northeast of the river bridge at Washington 796 Comment
  UCR237360  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2012-6-13 19203 Nevada Northern Sierra Nevada Mountains Foothills, Maybert Road along South Yuba River, 0.6 mi. northeast of the river bridge at Washington 796 Comment
  UCR237361  Juncus effusus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19204 Nevada Northern Sierra Nevada Mountains Foothills, Maybert Road along South Yuba River, 0.6 mi. northeast of the river bridge at Washington 796 Comment
  UCR237362  Panicum acuminatum var. acuminatum George K. Helmkamp, E. A. Helmkamp 2012-6-13 19206 Nevada Northern Sierra Nevada Mountains Foothills, Maybert Road along South Yuba River, 0.6 mi. northeast of the river bridge at Washington 796 Comment
  UCR237363  Aspidotis densa George K. Helmkamp, E. A. Helmkamp 2012-6-13 19205 Nevada Northern Sierra Nevada Mountains Foothills, Maybert Road along South Yuba River, 0.6 mi. northeast of the river bridge at Washington 796 Comment
  UCR237364  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2012-6-13 19194 Nevada Northern Sierra Nevada Mountains Foothills, village of Washington, Relief Hill Road, 0.4 mile north of its junction with Maybert Road & NE of the bridge over the South Yuba River 790 Comment
  UCR237365  Coreopsis lanceolata George K. Helmkamp, E. A. Helmkamp 2012-6-13 19199 Nevada Northern Sierra Nevada Mountains Foothills, village of Washington, Relief Hill Road, 0.4 mile north of its junction with Maybert Road & NE of the bridge over the South Yuba River 790 Comment
  UCR237366  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2012-6-13 19201 Nevada Northern Sierra Nevada Mountains Foothills, Maybert Road along South Yuba River, 0.6 mi. northeast of the river bridge at Washington 796 Comment
  UCR237367  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2012-6-13 19189 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek 787 Comment
  UCR237368  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19192 Nevada Northern Sierra Nevada Mountains Foothills, village of Washington, Relief Hill Road, 0.4 mile north of its junction with Maybert Road & NE of the bridge over the South Yuba River 790 Comment
  UCR237369  Lepidium virginicum George K. Helmkamp, E. A. Helmkamp 2012-6-13 19177 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek 787 Comment
  UCR237370  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-6-13 19181 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek 787 Comment
  UCR237371  Trifolium pratense George K. Helmkamp, E. A. Helmkamp 2012-6-13 19182 A Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek 787 Comment
  UCR237372  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19184 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek 787 Comment
  UCR237373  Chrysanthemum parthenium George K. Helmkamp, E. A. Helmkamp 2012-6-13 19186 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek 787 Comment
  UCR237374  Spergularia villosa George K. Helmkamp, E. A. Helmkamp 2012-6-13 19170 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237375  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2012-6-13 19188 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 5.6 miles north of its junction with CA-20 and along Washington Creek 787 Comment
  UCR237376  Galium triflorum George K. Helmkamp, E. A. Helmkamp 2012-6-13 19171 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237377  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2012-6-13 19173 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237378  Deschampsia elongata George K. Helmkamp, E. A. Helmkamp 2012-6-13 19174 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237379  Barbarea orthoceras George K. Helmkamp, E. A. Helmkamp 2012-6-13 19172 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237380  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19164 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237381  Polypogon interruptus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19165 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237382  Bromus ciliatus George K. Helmkamp, E. A. Helmkamp 2012-6-13 19166 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237383  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-6-13 19169 Nevada Northern Sierra Nevada Mountains Foothills, Washington Road, 3.6 miles north of its junction with CA-20 1006 Comment
  UCR237593  Collinsia sparsiflora var. sparsiflora George K. Helmkamp, E. A. Helmkamp 2012-4-21 18821 Nevada Northern Sierra Nevada Mountains Foothills, McCourtney Road, 0.4 mile east of its junction with Perimeter Rd., 14.5 mi. NW (338 deg. ) of Auburn 407 Comment
  UCR237594  Plagiobothrys George K. Helmkamp, E. A. Helmkamp 2012-4-21 18822 Nevada Northern Sierra Nevada Mountains Foothills, McCourtney Road, 0.4 mile east of its junction with Perimeter Rd., 14.5 mi. NW (338 deg. ) of Auburn 407 Comment
  UCR237595  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2012-4-21 18824 Nevada Northern Sierra Nevada Mountains Foothills, McCourtney Road, 0.4 mile east of its junction with Perimeter Rd., 14.5 mi. NW (338 deg. ) of Auburn 407 Comment
  UCR238598  Aster occidentalis George K. Helmkamp, E. A. Helmkamp 2010-8-26 16850 Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR240738  Juncus effusus var. pacificus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19940 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 0.1 mile south of the bridge over the South Fork Yuba River 1424 Comment
  UCR240752  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 2012-10-9 20015 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240753  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2012-10-9 20014 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240754  Erodium moschatum George K. Helmkamp, E. A. Helmkamp 2012-10-9 20013 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240758  Plantago major George K. Helmkamp, E. A. Helmkamp 2012-10-9 20012 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240759  Lolium perenne George K. Helmkamp, E. A. Helmkamp 2012-10-9 20011 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240760  Polypogon monspeliensis George K. Helmkamp, E. A. Helmkamp 2012-10-9 20010 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240972  Melilotus albus George K. Helmkamp, E. A. Helmkamp 2012-10-9 19992 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240973  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2012-10-9 19993 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240974  Conyza canadensis George K. Helmkamp, E. A. Helmkamp 2012-10-9 19996 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240975  Daucus carota George K. Helmkamp, E. A. Helmkamp 2012-10-9 19997 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240976  Mentha canadensis George K. Helmkamp, E. A. Helmkamp 2012-10-9 19998 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240977  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2012-10-9 19999 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240978  Epilobium ciliatum subsp. ciliatum George K. Helmkamp, E. A. Helmkamp 2012-10-9 20000 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR240979  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2012-10-9 20001 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241312  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2012-10-9 19995 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241327  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2012-10-9 19994 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241335  Hemizonia fitchii George K. Helmkamp, E. A. Helmkamp 2012-10-9 19991 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241719  Elymus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19929 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  UCR241724  Athyrium filix-femina var. cyclosorum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19939 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 0.1 mile south of the bridge over the South Fork Yuba River 1424 Comment
  UCR241725  Rudbeckia californica var. californica George K. Helmkamp, E. A. Helmkamp 2012-9-25 19938 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 0.1 mile south of the bridge over the South Fork Yuba River 1424 Comment
  UCR241726  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19937 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 0.1 mile south of the bridge over the South Fork Yuba River 1424 Comment
  UCR241727  Aster eatonii George K. Helmkamp, E. A. Helmkamp 2012-9-25 19936 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 0.1 mile south of the bridge over the South Fork Yuba River 1424 Comment
  UCR241728  Carex amplifolia George K. Helmkamp, E. A. Helmkamp 2012-9-25 19934 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 0.1 mile south of the bridge over the South Fork Yuba River 1424 Comment
  UCR241729  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19933 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  UCR241730  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2012-9-25 19932 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  UCR241745  Elymus cinereus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19931 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  UCR241746  Alisma lanceolatum George K. Helmkamp, E. A. Helmkamp 2012-10-9 20002 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241747  Chrysothamnus nauseosus subsp. albicaulis George K. Helmkamp, E. A. Helmkamp 2012-9-25 19928 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  UCR241748  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19926 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  UCR241749  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2012-9-25 19925 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  UCR241750  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19924 A Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  UCR241751  Echinochloa colona George K. Helmkamp, E. A. Helmkamp 2012-10-9 20009 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241752  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2012-10-9 20008 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241753  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2012-10-9 20007 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241754  Leersia oryzoides George K. Helmkamp, E. A. Helmkamp 2012-10-9 20006 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241755  Veronica scutellata George K. Helmkamp, E. A. Helmkamp 2012-10-9 20005 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241756  Lotus corniculatus George K. Helmkamp, E. A. Helmkamp 2012-10-9 20004 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241757  Polygonum persicaria George K. Helmkamp, E. A. Helmkamp 2012-10-9 20003 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241810  Achnatherum occidentale subsp. pubescens George K. Helmkamp, E. A. Helmkamp 2012-9-25 19930 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 1.2 miles north of CA-20, N of I-80 between Grass Valley and Truckee 1427 Comment
  UCR242310  Calycadenia oppositifolia George K. Helmkamp, E. A. Helmkamp 2011-6-2 17428 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR242326  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2011-6-2 17418 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242554  Calycadenia oppositifolia George K. Helmkamp, E. A. Helmkamp 2011-6-2 17426 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242555  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-6-2 17425 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242556  Castilleja lacera George K. Helmkamp, E. A. Helmkamp 2011-6-2 17424 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242557  Lomatium marginatum var. marginatum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17422 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242558  Navarretia intertexta subsp. intertexta George K. Helmkamp, E. A. Helmkamp 2011-6-2 17423 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242559  Linum bienne George K. Helmkamp, E. A. Helmkamp 2011-6-2 17421 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242560  Filago gallica George K. Helmkamp, E. A. Helmkamp 2011-6-2 17420 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242578  Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2011-6-2 17414 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242579  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-6-2 17416 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242580  Castilleja lacera George K. Helmkamp, E. A. Helmkamp 2011-6-2 17427 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR242581  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2011-6-2 17455 Nevada Northern Sierra Nevada Mountains Foothills, 3.25 miles SW (216 deg. ) of French Corral, along Pleasant Valley Road, 3.3 miles south of its crossing of the South Fork Yuba River 338 Comment
  UCR242595  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2011-6-2 17413 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242599  Madia rammii George K. Helmkamp, E. A. Helmkamp 2011-6-2 17415 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242766  Madia exigua George K. Helmkamp, E. A. Helmkamp 2011-6-2 17417 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR247265  Perideridia parishii subsp. latifolia George K. Helmkamp, E. A. Helmkamp 2007-7-27 12600 Nevada Northern Sierra Nevada Mountains, Bowman Lake Road, 3.9 miles north of its junction with CA-20; in the vicinity of Fuller Lake 1668 Comment
  UCR249936  Matricaria discoidea George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20323 Nevada Northern Sierra Nevada Mountains Foothills, Wolf Road, 1.6 miles northwest of its junction with CA-49 405 Comment
  UCR249944  Lamium amplexicaule George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20316 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249945  Poa annua George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20317 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249946  Bromus hordeaceus George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20318 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249947  Avena fatua George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20319 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249948  Bromus diandrus George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20320 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249949  Trifolium subterraneum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20322 Nevada Northern Sierra Nevada Mountains Foothills, Wolf Road, 1.6 miles northwest of its junction with CA-49 405 Comment
  UCR249950  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20308 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249951  Dichelostemma capitatum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20309 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249952  Vulpia bromoides George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20310 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249953  Festuca perennis George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20311 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249954  Lupinus bicolor George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20312 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249955  Nemophila menziesii var. menziesii George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20313 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249956  Plagiobothrys nothofulvus George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20306 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249957  Draba verna George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20314 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249958  Poa bulbosa George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20302 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249959  Cerastium glomeratum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20303 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249960  Geranium dissectum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20304 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249961  Vicia villosa subsp. villosa George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20305 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249962  Hordeum murinum subsp. murinum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20307 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR249995  Senecio vulgaris George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20315 Nevada Northern Sierra Nevada Mountains Foothills, Magnolia Road, 3.0 miles east of its junction with CA-49 495 Comment
  UCR250261  Festuca perennis George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20332 Nevada Northern Sierra Nevada Mountains Foothills, Wolf Road, 1.6 miles northwest of its junction with CA-49 405 Comment
  UCR250262  Bromus hordeaceus George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20331 Nevada Northern Sierra Nevada Mountains Foothills, Wolf Road, 1.6 miles northwest of its junction with CA-49 405 Comment
  UCR250263  Dichelostemma capitatum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20329 Nevada Northern Sierra Nevada Mountains Foothills, Wolf Road, 1.6 miles northwest of its junction with CA-49 405 Comment
  UCR250264  Vicia sativa subsp. nigra George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20328 Nevada Northern Sierra Nevada Mountains Foothills, Wolf Road, 1.6 miles northwest of its junction with CA-49 405 Comment
  UCR250265  Barbarea orthoceras George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20327 Nevada Northern Sierra Nevada Mountains Foothills, Wolf Road, 1.6 miles northwest of its junction with CA-49 405 Comment
  UCR250266  Lepidium oblongum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20326 Nevada Northern Sierra Nevada Mountains Foothills, Wolf Road, 1.6 miles northwest of its junction with CA-49 405 Comment
  UCR250267  Lupinus bicolor George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20325 Nevada Northern Sierra Nevada Mountains Foothills, Wolf Road, 1.6 miles northwest of its junction with CA-49 405 Comment
  UCR250268  Lupinus nanus George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20324 Nevada Northern Sierra Nevada Mountains Foothills, Wolf Road, 1.6 miles northwest of its junction with CA-49 405 Comment
  UCR252534  Polygonum punctatum George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22120 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR252933  Mentha spicata var. spicata George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22119 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR252939  Trifolium repens George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22122 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR252942  Cyperus niger George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22128 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR252943  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22127 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR252944  Cyperus eragrostis George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22126 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR252945  Polygonum aviculare George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22115 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR252946  Phalaris aquatica George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22114 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR252947  Erigeron strigosus George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22118 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR252948  Plantago lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22117 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR252949  Hypochaeris radicata George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22121 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR252950  Lotus corniculatus George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22116 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR253084  Trifolium fragiferum George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22123 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR253133  Digitaria sanguinalis George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22106 Nevada Sierra Nevada Mountains Foothills, north of Auburn, Robles Drive, just south of the junction of Darkhorse Drive and Combie Rd. 444 Comment
  UCR253134  Eragrostis pectinacea var. pectinacea George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22107 Nevada Sierra Nevada Mountains Foothills, north of Auburn, Robles Drive, just south of the junction of Darkhorse Drive and Combie Rd. 444 Comment
  UCR253136  Gnaphalium luteoalbum George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22124 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR253137  Tribulus terrestris George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22103 Nevada Sierra Nevada Mountains Foothills, north of Auburn, Robles Drive, just south of the junction of Darkhorse Drive and Combie Rd. 444 Comment
  UCR253138  Leontodon taraxacoides subsp. taraxacoides George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22104 Nevada Sierra Nevada Mountains Foothills, north of Auburn, Robles Drive, just south of the junction of Darkhorse Drive and Combie Rd. 444 Comment
  UCR253139  Hypericum perforatum George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22125 Nevada Sierra Nevada Mountains Foothills, junction of Table Meadow Road and Combie Road, SE of Higgins Corner 448 Comment
  UCR253140  Kickxia elatine George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22105 Nevada Sierra Nevada Mountains Foothills, north of Auburn, Robles Drive, just south of the junction of Darkhorse Drive and Combie Rd. 444 Comment
  UCR253475  Senecio vulgaris George K. Helmkamp 2014-3-11 22538 Nevada Sierra Nevada Mountains Foothills, Auburn, southbound on CA-49 about 0.1 mile east of Lincoln Way 402 Comment
  UCR253485  Festuca myuros var. hirsuta George K. Helmkamp 2014-3-11 22543 Nevada Sierra Nevada Mountains Foothills, junction of Wolf Road and Lime Kiln Road, W of Hwy 49 & c. 13 miles N of Auburn 518 Comment
  UCR253502  Erodium cicutarium George K. Helmkamp 2014-3-11 22539 Nevada Sierra Nevada Mountains Foothills, Auburn, southbound on CA-49 about 0.1 mile east of Lincoln Way 402 Comment
  UCR253504  Brassica kaber George K. Helmkamp 2014-3-11 22540 Nevada Sierra Nevada Mountains Foothills, Auburn, southbound on CA-49 about 0.1 mile east of Lincoln Way 402 Comment
  UCR253505  Bromus sterilis George K. Helmkamp 2014-3-11 22541 Nevada Sierra Nevada Mountains Foothills, along Wolf Road, 0.1 mile north of its junction with Matthew Lane, NW of Higgins Corner 413 Comment
  UCR253506  Bromus diandrus George K. Helmkamp 2014-3-11 22542 Nevada Sierra Nevada Mountains Foothills, along Wolf Road, 0.1 mile north of its junction with Matthew Lane, NW of Higgins Corner 413 Comment
  UCR253620  Prunus dulcis George K. Helmkamp 2014-3-11 22536 Nevada Sierra Nevada Mountains Foothills, Auburn, southbound on CA-49 about 0.1 mile east of Lincoln Way 402 Comment
  UCR253621  Sonchus oleraceus George K. Helmkamp 2014-3-11 22537 Nevada Sierra Nevada Mountains Foothills, Auburn, southbound on CA-49 about 0.1 mile east of Lincoln Way 402 Comment
  UCR253627  Bromus hordeaceus George K. Helmkamp 2014-3-11 22544 Nevada Sierra Nevada Mountains Foothills, junction of Wolf Road and Lime Kiln Road, W of Hwy 49 & c. 13 miles N of Auburn 518 Comment
  UCR253628  Erodium botrys George K. Helmkamp 2014-3-11 22545 Nevada Sierra Nevada Mountains Foothills, junction of Wolf Road and Lime Kiln Road, W of Hwy 49 & c. 13 miles N of Auburn 518 Comment
  UCR253629  Festuca myuros var. myuros George K. Helmkamp 2014-3-11 22546 Nevada Sierra Nevada Mountains Foothills, junction of Wolf Road and Lime Kiln Road, W of Hwy 49 & c. 13 miles N of Auburn 518 Comment
  UCR253630  Stellaria media George K. Helmkamp 2014-3-11 22547 Nevada Sierra Nevada Mountains Foothills, junction of Wolf Road and Lime Kiln Road, W of Hwy 49 & c. 13 miles N of Auburn 518 Comment
  UCR254592  Claytonia parviflora subsp. parviflora George K. Helmkamp 2014-3-11 22549 Nevada Sierra Nevada Mountains Foothills, junction of Wolf Road and Lime Kiln Road, W of Hwy 49 & c. 13 miles N of Auburn 518 Comment
  UCR254593  Claytonia perfoliata subsp. perfoliata George K. Helmkamp 2014-3-11 22550 Nevada Sierra Nevada Mountains Foothills, junction of Wolf Road and Lime Kiln Road, W of Hwy 49 & c. 13 miles N of Auburn 518 Comment
  UCR254594  Brassica geniculata George K. Helmkamp 2014-3-11 22552 Nevada Sierra Nevada Mountains Foothills, along CA-49, 0.2 mile north of the junction with Gautier Road, between Higgins Corner and Auburn 421 Comment
  UCR254595  Salix lasiolepis George K. Helmkamp 2014-3-11 22553 Nevada Sierra Nevada Mountains Foothills, along CA-49, 0.2 mile north of the junction with Gautier Road, between Higgins Corner and Auburn 421 Comment
  UCR254596  Salix laevigata George K. Helmkamp 2014-3-11 22554 Nevada Sierra Nevada Mountains Foothills, along CA-49, 0.2 mile north of the junction with Gautier Road, between Higgins Corner and Auburn 421 Comment
  UCR254597  Ranunculus occidentalis George K. Helmkamp 2014-3-11 22548 Nevada Sierra Nevada Mountains Foothills, junction of Wolf Road and Lime Kiln Road, W of Hwy 49 & c. 13 miles N of Auburn 518 Comment
  UCR254598  Vinca major George K. Helmkamp 2014-3-11 22555 Nevada Sierra Nevada Mountains Foothills, along CA-49, 0.2 mile north of the junction with Gautier Road, between Higgins Corner and Auburn 421 Comment
  UCR256635  Dittrichia graveolens George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22396 Nevada Sierra Nevada Mountains Foothills, Along CA-49, c. 0.3 mile north of the junction with Gautier Road and at the side road #20456 441 Comment
  UCR256636  Polygonum ramosissimum George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22386 Nevada Sierra Nevada Mountains Foothills, junction of Combie Road and Timber Ridge Dr. southeast of Higgins Corner near Lake of the Pines 456 Comment
  UCR256637  Hypochaeris radicata George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22388 Nevada Sierra Nevada Mountains Foothills, junction of Combie Road and Timber Ridge Dr. southeast of Higgins Corner near Lake of the Pines 456 Comment
  UCR256638  Chondrilla juncea George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22389 Nevada Sierra Nevada Mountains Foothills, junction of Combie Road and Timber Ridge Dr. southeast of Higgins Corner near Lake of the Pines 456 Comment
  UCR256639  Brassica geniculata George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22390 Nevada Sierra Nevada Mountains Foothills, junction of Combie Road and Timber Ridge Dr. southeast of Higgins Corner near Lake of the Pines 456 Comment
  UCR256640  Plantago lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22391 Nevada Sierra Nevada Mountains Foothills, junction of Combie Road and Timber Ridge Dr. southeast of Higgins Corner near Lake of the Pines 456 Comment
  UCR256641  Baccharis pilularis George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22392 Nevada Sierra Nevada Mountains Foothills, junction of Combie Road and Timber Ridge Dr. southeast of Higgins Corner near Lake of the Pines 456 Comment
  UCR256642  Polygonum aviculare George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22394 Nevada Sierra Nevada Mountains Foothills, junction of Combie Road and Timber Ridge Dr. southeast of Higgins Corner near Lake of the Pines 456 Comment
  UCR256643  Conyza canadensis George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22395 Nevada Sierra Nevada Mountains Foothills, Along CA-49, c. 0.3 mile north of the junction with Gautier Road and at the side road #20456 441 Comment
  UCR256644  Stipa occidentalis var. pubescens George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20739 Nevada Northern Sierra Nevada Mountains, Pine Flat Way, just south of its junction with CA-20 1151 Comment
  UCR256645  Lotus purshianus var. purshianus George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20724 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR256646  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20731 Nevada Northern Sierra Nevada Mountains, along Hwy CA-20, 1.6 miles northeast of Pine Flat Way, north of Scotts Flat Reservoir 1189 Comment
  UCR256647  Collomia heterophylla George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20732 Nevada Northern Sierra Nevada Mountains, along Hwy CA-20, 1.6 miles northeast of Pine Flat Way, north of Scotts Flat Reservoir 1189 Comment
  UCR256648  Viola lobata var. lobata George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20727 Nevada Northern Sierra Nevada Mountains, along Hwy CA-20, 1.6 miles northeast of Pine Flat Way, north of Scotts Flat Reservoir 1189 Comment
  UCR256649  Brodiaea elegans subsp. elegans George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20718 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR256650  Triteleia laxa George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20718 A Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR256651  Calycadenia oppositifolia George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20722 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR256652  Vicia americana George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20744 Nevada Northern Sierra Nevada Mountains, along Scotts Flat Road, 0.7 mile southwest of its junction with CA-20, NE of Nevada City, NW of Scotts Flat Reservoir 1091 Comment
  UCR256653  Triteleia ixioides subsp. scabra George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20742 Nevada Northern Sierra Nevada Mountains, Pine Flat Way, just south of its junction with CA-20 1151 Comment
  UCR256654  Trientalis latifolia George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20746 Nevada Northern Sierra Nevada Mountains, along Scotts Flat Road, 0.7 mile southwest of its junction with CA-20, NE of Nevada City, NW of Scotts Flat Reservoir 1091 Comment
  UCR256655  Lupinus polyphyllus var. burkei George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20745 Nevada Northern Sierra Nevada Mountains, along Scotts Flat Road, 0.7 mile southwest of its junction with CA-20, NE of Nevada City, NW of Scotts Flat Reservoir 1091 Comment
  UCR256656  Madia gracilis George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20743 Nevada Northern Sierra Nevada Mountains, Pine Flat Way, just south of its junction with CA-20 1151 Comment
  UCR256657  Aegilops triuncialis George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20723 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR256658  Croton setiger George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20725 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR256659  Festuca perennis George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20726 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR256660  Allium amplectens George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20721 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR256661  Elymus caput-medusae George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20720 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR256662  Bromus suksdorfii George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20734 Nevada Northern Sierra Nevada Mountains, along Hwy CA-20, 1.6 miles northeast of Pine Flat Way, north of Scotts Flat Reservoir 1189 Comment
  UCR256663  Cynosurus echinatus George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20733 Nevada Northern Sierra Nevada Mountains, along Hwy CA-20, 1.6 miles northeast of Pine Flat Way, north of Scotts Flat Reservoir 1189 Comment
  UCR256664  Elymus glaucus var. glaucus George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20730 Nevada Northern Sierra Nevada Mountains, along Hwy CA-20, 1.6 miles northeast of Pine Flat Way, north of Scotts Flat Reservoir 1189 Comment
  UCR256665  Festuca occidentalis George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20729 Nevada Northern Sierra Nevada Mountains, along Hwy CA-20, 1.6 miles northeast of Pine Flat Way, north of Scotts Flat Reservoir 1189 Comment
  UCR256666  Iris hartwegii subsp. hartwegii George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20728 Nevada Northern Sierra Nevada Mountains, along Hwy CA-20, 1.6 miles northeast of Pine Flat Way, north of Scotts Flat Reservoir 1189 Comment
  UCR256667  Elymus caput-medusae George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20727 A Nevada Northern Sierra Nevada Mountains, along Hwy CA-20, 1.6 miles northeast of Pine Flat Way, north of Scotts Flat Reservoir 1189 Comment
  UCR256668  Osmorhiza chilensis George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20741 Nevada Northern Sierra Nevada Mountains, Pine Flat Way, just south of its junction with CA-20 1151 Comment
  UCR256669  Ranunculus occidentalis George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20740 Nevada Northern Sierra Nevada Mountains, Pine Flat Way, just south of its junction with CA-20 1151 Comment
  UCR256821  Festuca arundinacea George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20736 Nevada Northern Sierra Nevada Mountains, Pine Flat Way, just south of its junction with CA-20 1151 Comment
  UCR256822  Viola purpurea subsp. quercetorum George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20735 Nevada Northern Sierra Nevada Mountains, Pine Flat Way, just south of its junction with CA-20 1151 Comment
  UCR256831  Horkelia fusca subsp. parviflora George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20737 Nevada Northern Sierra Nevada Mountains, Pine Flat Way, just south of its junction with CA-20 1151 Comment
  UCR256987  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22398 Nevada Sierra Nevada Mountains Foothills, Along CA-49, c. 0.3 mile north of the junction with Gautier Road and at the side road #20456 441 Comment
  UCR257030  Leontodon taraxacoides subsp. longirostris George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20715 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR257031  Linum bienne George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20717 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR257032  Galium parisiense George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20716 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR257056  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22403 Nevada Sierra Nevada Mountains Foothills, Along CA-49, c. 0.3 mile north of the junction with Gautier Road and at the side road #20456 441 Comment
  UCR257057  Epilobium densiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22402 Nevada Sierra Nevada Mountains Foothills, Along CA-49, c. 0.3 mile north of the junction with Gautier Road and at the side road #20456 441 Comment
  UCR257058  Daucus carota George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22401 Nevada Sierra Nevada Mountains Foothills, Along CA-49, c. 0.3 mile north of the junction with Gautier Road and at the side road #20456 441 Comment
  UCR257089  Quercus douglasii George K. Helmkamp 2014-4-17 22745 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCR257129  Quercus lobata George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22406 Nevada Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road 0.1 mile east of its junction with CA-49 444 Comment
  UCR257133  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20747 Nevada Northern Sierra Nevada Mountains, along Scotts Flat Road, 0.7 mile southwest of its junction with CA-20, NE of Nevada City, NW of Scotts Flat Reservoir 1091 Comment
  UCR257139  Hieracium albiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20748 Nevada Northern Sierra Nevada Mountains, along Scotts Flat Road, 0.7 mile southwest of its junction with CA-20, NE of Nevada City, NW of Scotts Flat Reservoir 1091 Comment
  UCR257145  Trifolium dubium George K. Helmkamp 2014-4-17 22755 Nevada Sierra Nevada Mountains Foothills, 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 438 Comment
  UCR257146  Cerastium glomeratum George K. Helmkamp 2014-4-17 22756 Nevada Sierra Nevada Mountains Foothills, 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 438 Comment
  UCR257147  Bromus hordeaceus George K. Helmkamp 2014-4-17 22746 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCR257148  Bromus diandrus George K. Helmkamp 2014-4-17 22747 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCR257149  Poa bulbosa George K. Helmkamp 2014-4-17 22748 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCR257150  Petrorhagia dubia George K. Helmkamp 2014-4-17 22749 Nevada Sierra Nevada Mountains Foothills, 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 438 Comment
  UCR257152  Ranunculus occidentalis George K. Helmkamp 2014-4-17 22738 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCR257153  Sanicula bipinnatifida George K. Helmkamp 2014-4-17 22740 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCR257154  Calochortus monophyllus George K. Helmkamp 2014-4-17 22739 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCR257155  Madia George K. Helmkamp 2014-4-17 22741 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCR257156  Plagiobothrys fulvus var. campestris George K. Helmkamp 2014-4-17 22742 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCR257157  Sisyrinchium bellum George K. Helmkamp 2014-4-17 22743 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCR257158  Pinus ponderosa George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22387 Nevada Sierra Nevada Mountains Foothills, junction of Combie Road and Timber Ridge Dr. southeast of Higgins Corner near Lake of the Pines 456 Comment
  UCR257162  Hordeum murinum subsp. glaucum George K. Helmkamp 2014-4-17 22744 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCR257201  Clarkia stellata George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20749 Nevada Northern Sierra Nevada Mountains, along Scotts Flat Road, 0.7 mile southwest of its junction with CA-20, NE of Nevada City, NW of Scotts Flat Reservoir 1091 Comment
  UCR257547  Geranium dissectum George K. Helmkamp 2014-4-17 22750 Nevada Sierra Nevada Mountains Foothills, 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 438 Comment
  UCR257548  Erodium botrys George K. Helmkamp 2014-4-17 22751 Nevada Sierra Nevada Mountains Foothills, 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 438 Comment
  UCR257549  Cytisus scoparius George K. Helmkamp 2014-4-17 22752 Nevada Sierra Nevada Mountains Foothills, 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 438 Comment
  UCR257550  Senecio vulgaris George K. Helmkamp 2014-4-17 22753 Nevada Sierra Nevada Mountains Foothills, 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 438 Comment
  UCR257551  Claytonia perfoliata subsp. mexicana George K. Helmkamp 2014-4-17 22754 Nevada Sierra Nevada Mountains Foothills, 8 miles west of Grass Valley, Penn Valley Drive, 0.2 mile southeast of its junction with CA-120 438 Comment
  UCR257581  Lamium amplexicaule George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22526 Nevada Sierra Nevada Mountains Foothills, Garden Bar Road, 1.7 road miles west of Wolf Road, 3.48 air mi. NW (291 deg. ) of Higgins Corner 421 Comment
  UCR257585  Galium porrigens George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22529 Nevada Sierra Nevada Mountains Foothills, Garden Bar Road, 2.8 road miles west of Wolf Road at Wolf, 3.9 air miles WNW (287 deg. ) of Higgins Corner 387 Comment
  UCR257586  Cardamine oligosperma George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22528 Nevada Sierra Nevada Mountains Foothills, Garden Bar Road, 2.8 road miles west of Wolf Road at Wolf, 3.9 air miles WNW (287 deg. ) of Higgins Corner 387 Comment
  UCR257593  Brassica rapa George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22531 Nevada Sierra Nevada Mountains Foothills, Garden Bar Road, 3.7 road miles west of Wolf Road at Wolf, 4.4 air mi. WNW (276 deg. ) of Higgins Corner 332 Comment
  UCR257594  Ceanothus cuneatus subsp. cuneatus George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22530 Nevada Sierra Nevada Mountains Foothills, Garden Bar Road, 2.8 road miles west of Wolf Road at Wolf, 3.9 air miles WNW (287 deg. ) of Higgins Corner 387 Comment
  UCR257606  Elymus glaucus George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22405 Nevada Sierra Nevada Mountains Foothills, Along CA-49, c. 0.3 mile north of the junction with Gautier Road and at the side road #20456 441 Comment
  UCR257608  Phalaris aquatica George K. Helmkamp, Elizabeth Helmkamp 2013-10-10 22404 Nevada Sierra Nevada Mountains Foothills, Along CA-49, c. 0.3 mile north of the junction with Gautier Road and at the side road #20456 441 Comment
  UCR257636  Lotus purshianus var. purshianus George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20023 Nevada Sierra Nevada Mountains Foothills, Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg. ) of Higgins Corner 445 Comment
  UCR257648  Penstemon deustus var. deustus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19492 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR257650  Lupinus lepidus var. confertus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19493 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR257654  Lepidium virginicum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19486 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR257655  Bromus carinatus var. carinatus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19487 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR257661  Eriogonum umbellatum var. nevadense George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19489 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR257662  Eriophyllum lanatum var. croceum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19488 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR257666  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19491 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR257793  Eriogonum nudum var. deductum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19490 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR257813  Achillea millefolium George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19480 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR257814  Artemisia spiciformis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19479 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR257845  Cystopteris fragilis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19478 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR258171  Alyssum simplex George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19481 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR258173  Tragopogon dubius George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19483 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR258184  Kickxia elatine George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20029 Nevada Sierra Nevada Mountains Foothills, Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg. ) of Higgins Corner 445 Comment
  UCR258186  Lactuca serriola George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20027 Nevada Sierra Nevada Mountains Foothills, Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg. ) of Higgins Corner 445 Comment
  UCR258187  Digitaria sanguinalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20026 Nevada Sierra Nevada Mountains Foothills, Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg. ) of Higgins Corner 445 Comment
  UCR258188  Epilobium ciliatum subsp. ciliatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20025 Nevada Sierra Nevada Mountains Foothills, Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg. ) of Higgins Corner 445 Comment
  UCR258189  Juncus ensifolius George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20024 A Nevada Sierra Nevada Mountains Foothills, Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg. ) of Higgins Corner 445 Comment
  UCR258190  Bidens frondosa George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20024 Nevada Sierra Nevada Mountains Foothills, Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg. ) of Higgins Corner 445 Comment
  UCR258191  Pseudognaphalium luteoalbum George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20031 Nevada Sierra Nevada Mountains Foothills, Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg. ) of Higgins Corner 445 Comment
  UCR258195  Hypericum mutilum George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20032 Nevada Sierra Nevada Mountains Foothills, Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg. ) of Higgins Corner 445 Comment
  UCR258239  Cedrus deodara George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20030 Nevada Sierra Nevada Mountains Foothills, Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg. ) of Higgins Corner 445 Comment
  UCR258244  Chenopodium berlandieri George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19485 Nevada Northern Sierra Nevada Mountains, Stampede Meadows Road, c. 0.65 mile south of the Sierra County line 1738 Comment
  UCR272418  Aster foliaceus George K. Helmkamp, E. A. Helmkamp 2010-8-26 16850 A Nevada Northern Sierra Nevada Mountains, Donner Pass Road, 0.8 mile west of its junction with Hwy. I-80, 0.65 mi. NE (62 deg. ) of Kingvale 1921 Comment
  UCR275316  Cyperus strigosus George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22111 Nevada Sierra Nevada Mountains Foothills, north of Auburn, Robles Drive, just south of the junction of Darkhorse Drive and Combie Rd. 444 Comment
  UCR275317  Brassica geniculata George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22109 Nevada Sierra Nevada Mountains Foothills, north of Auburn, Robles Drive, just south of the junction of Darkhorse Drive and Combie Rd. 444 Comment
  UCR275318  Croton setiger George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22108 Nevada Sierra Nevada Mountains Foothills, north of Auburn, Robles Drive, just south of the junction of Darkhorse Drive and Combie Rd. 444 Comment
  UCR275320  Epilobium ciliatum subsp. ciliatum George K. Helmkamp, Elizabeth Helmkamp 2013-8-7 22112 Nevada Sierra Nevada Mountains Foothills, north of Auburn, Robles Drive, just south of the junction of Darkhorse Drive and Combie Rd. 444 Comment
  SBBG128643  Tellima grandiflora G. K. Helmkamp, E. A. Helmkamp 2011-6-9 17497 Nevada Tyler Foote Crossing Rd, 1.6 mi N of its jct with Grizzly Hill Rd, generaly N of N Columbia 930 Comment
  SBBG128976  Galium bolanderi G. K. Helmkamp, E. A. Helmkamp 236-Aug-2010 16864 Nevada Eagle Lakes Rd, ca. 0.5 mi W of its jct with Carlyle Rd, 5.8 mi NE (66 deg) of Emigrant Gap, N of I-80 1655 Comment
  SBBG128995  Aspidotis densa G. K. Helmkamp, E. A. Helmkamp 2012-6-13 19205 Nevada Maybert Rd along S Yuba River, 0.6 mi NE of the river bridge at Washington 796 Comment
  SBBG128996  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2012-6-13 19192 Nevada village of Washington, Relief Hill Rd, 0.4 mi N of its jct with Maybert Rd, NE of the bridge over the S Yuba River 790 Comment
  SBBG128997  Trifolium glomeratum G. K. Helmkamp, E. A. Helmkamp 2012-6-13 19197 Nevada village of Washington, Relief Hill Rd, 0.4 mi N of its jct with Maybert Rd, NE of the bridge over the S Yuba River 790 Comment
  SBBG129002  Eriophyllum lanatum var. achilleoides G. K. Helmkamp, E. A. Helmkamp 2012-6-13 19173 Nevada Washington Rd, 3.6 mi N of its jct with CA-20 1006 Comment
  SBBG129006  Plectritis ciliosa subsp. ciliosa G. K. Helmkamp, E. A. Helmkamp 2012-4-21 18820 Nevada McCourtney Rd, 0.4 mi E of its jct with Perimeter Rd, 14.5 mi NW (338 deg) of Auburn 407 Comment
  SBBG129007  Collinsia sparsiflora var. sparsiflora G. K. Helmkamp, E. A. Helmkamp 2012-4-21 18821 Nevada McCourtney Rd, 0.4 mi E of its jct with Perimeter Rd, 14.5 mi NW (338 deg) of Auburn 407 Comment
  SBBG129008  Cardamine oligosperma G. K. Helmkamp, E. A. Helmkamp 2012-4-21 18811 Nevada junction of Lime Kiln Rd and Amberley Lane, 14.5 mi NNW (345 deg) of Auburn 414 Comment
  SBBG129009  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2012-4-21 18812 Nevada junction of Lime Kiln Rd and Amberley Lane, 14.5 mi NNW (345 deg ) of Auburn 414 Comment



  Copyright © 2019 Regents of the University of California — Updated 11 January 2019
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