Search Results — 261 specimen records retrieved (261 records with coordinates)
Results for search: County=YUBA; Source=All; Collector=Helmkamp;   

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC228602  Trifolium dubium George K. Helmkamp; E. A. Helmkamp 2011-5-6 17209 Yuba East edge of Sacramento Valley: junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg. ) of Wheatland 56 Comment
  CAS-BOT-BC228603  Brodiaea californica var. californica George K. Helmkamp; E. A. Helmkamp 2011-5-6 17211 Yuba Eastern edge of Sacramento Valley: Camp Far West Road, 1.3 miles southeast of its junction with Spenceville Road, 5.25 mi. NE (52 deg. ) of Wheatland 62 Comment
  CAS-BOT-BC523899  Plagiobothrys stipitatus var. micranthus George K. Helmkamp; Amy Barnes 2013-3-28 20250 Yuba Eastern Sacramento Valley: northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  CAS-BOT-BC523900  Ranunculus bonariensis var. trisepalus George K. Helmkamp; Amy Barnes 2013-3-28 20251 Yuba Eastern Sacramento Valley: northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  CDA6935  Spergularia rubra G. K. Helmkamp, E. A. Helmkamp 2006-10-1 11523 Yuba Northern Sierra Nevada Mountain Foothills; Along Highway CA-49 just north of the Nevada County line at the Middle Yuba River bridge. Comment
  CDA6938  Polygonum hydropiper G. K. Helmkamp, E. A. Helmkamp 2006-10-1 11528 Yuba Northern Sierra Nevada Mountain Foothills; Along Highway CA-49 just north of the Nevada County line at the Middle Yuba River bridge. Comment
  JEPS119473  Layia chrysanthemoides George K. Helmkamp with E. A. Helmkamp 2011-4-10 17165 Yuba Sacramento Valley: along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland Comment
  RSA0012078  Eleocharis palustris George K. Helmkamp, E. A. Helmkamp 2011-5-6 17206 Yuba junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg ) of Wheatland. 56 Comment
  RSA0012079  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2011-5-6 17207 Yuba junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg ) of Wheatland. 56 Comment
  RSA0012080  Linum bienne George K. Helmkamp, E. A. Helmkamp 2011-5-6 17208 Yuba junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg ) of Wheatland. 56 Comment
  RSA0019380  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17205 Yuba junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 ) of Wheatland. 56 Comment
  RSA0107418  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20250 Yuba Eastern Sacramento Valley: northbound exit road from CA-65, connecting with Forty Mile Road. 30 Comment
  RSA0107419  Bromus diandrus George K. Helmkamp, Amy Barnes 2013-3-28 20259 Yuba Eastern Sacramento Valley: northbound exit road from CA-65, connecting with Forty Mile Road. 30 Comment
  RSA0107825  Navarretia divaricata subsp. divaricata George K. Helmkamp, E. A. Helmkamp 2007-8-29 12832 A Yuba Northern Sierra Nevada Mountains Foothills: along Hwy CA-49, 0.5 mile south of Camptonville. 817 Comment
  RSA0107828  Scandix pecten-veneris George K. Helmkamp 2014-4-17 22766 Yuba Sierra Nevada Foothills: Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville. 264 Comment
  RSA0115337  Plagiobothrys greenei George K. Helmkamp, E. A. Helmkamp 2011-4-10 17167 Yuba Sacramento Valley: along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland. 44 Comment
  RSA749525  Xanthium spinosum George K. Helmkamp, E. A. Helmkamp 2008-10-6 14207 Yuba junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  RSA749526  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2008-10-6 14208 Yuba Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  RSA749527  Amaranthus powellii George K. Helmkamp, E. Helmkamp 2008-10-6 14209 Yuba Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  RSA749529  Raphanus raphanistrum George K. Helmkamp, E. A. Helmkamp 2008-10-6 14211 Yuba Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  RSA750426  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2008-9-18 14130 Yuba Bullards Bar Dam, along Marysville Road, 6 miles southwest of its junction with CA-49 616 Comment
  SD234459  Epilobium brachycarpum G. K. Helmkamp, E. A. Helmkamp 2006-10-10 11529 Yuba Northern Sierra Nevada Foothills: along Hwy CA-49 just N of the Nevada County line at the Middle Yuba River bridge (Camptonville 7.5' Q) 451 Comment
  SD236138  Dactylis glomerata G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13474 Yuba Sierra Nevada Mountains Foothills: along CA-49, 466 Comment
  SD236227  Xanthium spinosum G. K. Helmkamp, E. A. Helmkamp 2008-10-6 14207 Yuba Sacramento Valley: junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst (Olivehurst 7.5'Q) 24 Comment
  SD236247  Raphanus raphanistrum G. K. Helmkamp, E. A. Helmkamp 2008-10-6 14211 Yuba Sacramento Valley; Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst (Olivehurst 7.5'Q) 20 Comment
  SD236292  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13463 Yuba Sierra Nevada Mountains Foothills: along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek. 466 Comment
  SD236293  Lupinus polyphyllus var. burkei G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13490 Yuba Foothills, northern Sierra Nevada Mountains: Camptonville, at the junceion of Henness Pass road and CA-49. 822 Comment
  SD236332  Abutilon theophrasti G. K. Helmkamp, E. A. Helmkamp 2008-10-6 14210 Yuba Sacramento Valley: Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  SD236379  Persicaria hydropiper G. K. Helmkamp, E. A. Helmkamp 2006-10-10 11528 Yuba Northern Sierra Nevada Mountains Foothills: along Hwy Ca-49 just north of Nevaday county line at the Middle Yuba River Bridge. 451 Comment
  SD236385  Rumex acetosella G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13470 Yuba Sierra Nevada Mountains Foothills: along CA-49, 0.1 miles north of the Nevada Co. line at Oregon Creek. 466 Comment
  SD236401  Sanguisorba minor subsp. muricata G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13489 Yuba Foothills, northern Sierra Nevada Mountains: Camptonville, at the junction of Henness Pass Road and CA-49. 822 Comment
  SD240787  Brodiaea minor George K. Helmkamp, E. A. Helmkamp 2011-5-6 17198 Yuba East of Sacramento Valley: Camp Far West Road, 2.3 miles northwest of the junction at Camp Far West Reservoir, 5.3 miles NE (53a^z) of Wheatland (Camp Far West 7.5'Q) 54 Comment
  SD240797  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-4-10 17164 Yuba Sacramento Valley: along Camp Beale Highway.Spenceville Road, c. 1.75 miles northeast of Wheatland (Wheatland 7.5'Q) 43 Comment
  SD240961  Spergularia macrotheca var. leucantha George K. Helmkamp, E. A. Helmkamp 2011-5-6 17191 Yuba East edge of Sacramento Valley: Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir (Camp Far West 7.5'Q) 64 Comment
  SD241022  Trifolium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17192 Yuba East edge of Sacramento Vaalley: Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir. 64 Comment
  SD241040  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17203 Yuba East edge of Sacramento Valley: junction of Camp Far West Road and Spenceville Road, 5.4 miles NE (47a^z) of Wheatland (Camp Far West 7.5'Q) 56 Comment
  SD241118  Eschscholzia lobbii George K. Helmkamp, E. A. Helmkamp 2011-4-10 17163 Yuba Sacramento Valley: along Camp Beale Highway/Spenceville Road, c. 1.75 miles northeast of Wheatland (Wheatland 7.5'Q) 43 Comment
  SD241160  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17205 Yuba East edge of Sacramento Valley: junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47a^z) of Wheatland (Camp Far West 7.5'Q) 56 Comment
  SD241651  Triteleia hyacinthina George K Helmkamp, E. A. Helmkamp 2011-5-6 17197 Yuba East edge of Sacramento Valley: camp Far West Road, 2.3 miles northwest of the junction at Camp Far West Reseroir, 5.3 miles NE (53 a^z) of Wheatland (Camp Far West 7.5'Q) 54 Comment
  SD248487  Ranunculus bonariensis var. trisepalus George K. Helmkamp, Elizabeth A. Helmkamp 2011-5-6 17205 Yuba East edge of Sacramento Valley: junction of Camp Far West Road and Spenceville Road, 5.4 miles NE (47a^z) of Wheatland (Camp Far Weset 7.5'Q) 56 Comment
  SD257166  Scandix pecten-veneris George K. Helmkamp 2014-8-17 22766 Yuba Sierra Nevada Foothills: Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mile due S of Smartsville (Smartsville 7.5'Q) 263 Comment
  SEINET11261738  Ranunculus bonariensis var. trisepalus George Helmkamp, E. A. Helmkamp 2011-5-6 17205 Yuba East edge of Sacramento Valley: junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (471/4) of Wheatland (Camp Far West 7.5' Q.); 0 56 Comment
  SEINET11262106  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12146 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co line, beside Oregon Creek and Oregon Creek campground. Camptonville 7.5' Q.; 0 430 Comment
  SEINET13203136 Image available Scandix pecten-veneris George K. Helmkamp 2014-1 22766 Yuba Sierra Nevada Mountains Foothills: Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville (Smartsville 7.5' Q.) 264 Comment
  SEINET13203148 Image available Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-1 20250 Yuba Eastern Sacramento Valley: northbound exit road from CA-65, connecting with Forty Mile Road (Olivehurst 7.5' Q.) 30 Comment
  SEINET13276745 Image available Amsinckia intermedia George K. Helmkamp 2014-1 22757 Yuba Sierra Nevada Foothills: Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville (Smartsville 7.5' Q.) 264 Comment
  SEINET13276746 Image available Dichelostemma capitatum subsp. capitatum George K. Helmkamp 2014-1 22767 Yuba Sierra Nevada Foothills: Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville (Smartsville 7.5' Q.) 264 Comment
  SEINET1908443  Sanguisorba minor subsp. muricata G. K. Helmkamp, E. A. Helmkamp 2008-1 13489 Yuba Foothills, northern Sierra Nevada Mountains: Camptonville, at the junction of Henness Pass Road and CA-49 823 Comment
  SEINET1908652  Iris hartwegii subsp. hartwegii G. K. Helmkamp, E. A. Helmkamp 2008-1 13492 Yuba Foothills, northern Sierra Nevada Mountains: Camptonville, at the junction of Henness Pass Road and CA-49. 823 Comment
  SEINET1908657  Raphanus raphanistrum G. K. Helmkamp, E. A. Helmkamp 2008-1 14211 Yuba Sacramento Valley: Ostroom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst. 20 Comment
  SEINET1908777  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2008-1 13463 Yuba Sierra Nevada Mountains Foothills: along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek (Camptonville 7.5' Q) 466 Comment
  SEINET2473438 Image available Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2007-1 12841 Yuba Northern Sierra Nevada Mountains Foothills; along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  SEINET3439301 Image available Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17204 Yuba East edge of Sacramento Valley: junction of Camp Far West Road and Spenceville Road, 5.4 mi NE of Wheatland Comment
  SEINET3440064 Image available Triticum aestivum George K. Helmkamp, E. A. Helmkamp 2011-1 17188 Yuba East edge of Sacramento Valley: Camp Far West Road, 0.9 mi west of the junction at Camp Far West Reservoir 65 Comment
  SEINET3440065 Image available Briza minor George K. Helmkamp, E. A. Helmkamp 2011-5-6 17187 Yuba East edge of Sacramento Valley: Camp Far West Road, 0.3 mi N of the junction with Hokan lane, vicinity of Camp Far West Reservoir 105 Comment
  SEINET3817926 Image available Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2011-4-10 17166 Yuba Sacramento Valley, Along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland (Wheatland 7.5' Q. 44 Comment
  SEINET3837936 Image available Briza maxima George K. Helmkamp, E. A. Helmkamp 2011-5-6 17210 Yuba East edge of Sacramento Valley: junction of Camp Far West Road and Spenceville Road, 5.4 mi NE of Wheatland (Camp Far West) 56 Comment
  SEINET4208678  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-5-26 12128 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville. Camptonville 7.5' Q.; 0 802 Comment
  UCD100028  Polygonum aviculare subsp. depressum G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12825 Yuba Northern Sierra Nevada Mountains Foothills: Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek. 1021 Comment
  UCD101140  Rumex crispus G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12837 Yuba Northern Sierra Nevada Mountains Foothills: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD105307  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11529 Yuba Northern Sierra Nevada Mountains Foothills. Along Hwy CA-49 just N of the Nevada County line at the Middle Yuba River bridge. 451 Comment
  UCD117487  Arbutus menziesii G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12838 Yuba Northern Sierra Nevada Mountains: Along Hwy CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD118209  Navarretia squarrosa G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12832 Yuba Northern Sierra Nevada Mountains: along Hwy CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD118213  Navarretia squarrosa G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12832 A Yuba Northern Sierra Nevada Mountains: along Hwy CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD126194  Convolvulus arvensis G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12839 Yuba Northern Sierra Nevada Mountains: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD129287  Artemisia douglasiana G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12830 Yuba Northern Sierra Nevada Mountains: Mountain House Road 0.6 mile west of the Sierra County line. Sleighville area beside Willow Creek. 1021 Comment
  UCD134296  Madia gracilis G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12837 Yuba Northern Sierra Nevada Mountains Foothills: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD135082  Pseudognaphalium luteoalbum G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12833 Yuba Northern Sierra Nevada Mountains: along Hwy CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD135893  Sericocarpus oregonensis subsp. californicus G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12831 Yuba Northern Sierra Nevada Mountains: along Hwy CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD136425  Dryopteris arguta G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12828 Yuba Northern Sierra Nevada Mountains Foothills: Mountain House Road 0.6 mile west of Sierra county line. Sleighville area beside Willow Creek. 1021 Comment
  UCD136497  Polystichum imbricans subsp. curtum G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12824 Yuba Northern Sierra Nevada Mountains: Mountain House Road 0.6 miles west of the Sierra Co. line; Sleighville area beside Willow Creek. 1021 Comment
  UCD141047  Cyperus eragrostis G. K. Helmkamp 2006-10-10 11524 Yuba Northern Sierra Nevada Mountains Foothills; along Hwy CA-49 just north of the Nevada County line at the Middle Yuba River bridge. 451 Comment
  UCD141528  Juncus ensifolius G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11527 Yuba Northern Sierra Nevada Mountains Foothills; along Hwy CA-49 just north of the Nevada County line at the Middle Yuba River bridge. 451 Comment
  UCD162088  Polystichum imbricans subsp. imbricans G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12823 Yuba Northern Sierra Nevada Mountains: Mountain House Road 0.6 miles west of the Sierra Co. line; Sleighville area beside Willow Creek. 1021 Comment
  UCD67042  Echinochloa crus-galli G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12840 Yuba Northern Sierra Nevada Mountains: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD74335  Agrostis stolonifera G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12841 Yuba Northern Sierra Nevada Mountains: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD99284  Spergularia rubra G. K. Helmkamp 2006-10-10 11523 Yuba Northern Sierra Nevada Mountains Foothills; along Hwy CA-49 just north of the Nevada County line at the Middle Yuba River bridge. 451 Comment
  UCD99287  Spergularia rubra G. K. Helmkamp 2006-10-10 11523 Yuba Northern Sierra Nevada Mountains Foothills; along Hwy CA-49 just north of the Nevada County line at the Middle Yuba River bridge. 451 Comment
  UCD99571  Persicaria maculosa G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12835 Yuba Northern Sierra Nevada Mountains: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD99783  Persicaria punctata G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11528 Yuba Northern Sierra Nevada Mountains Foothills; along Hwy CA-49 just north of the Nevada County line at the Middle Yuba River bridge. 451 Comment
  UCD99789  Persicaria punctata G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12826 Yuba Northern Sierra Nevada Mountains Foothills: Mountain House Road 0.6 mile west of the county line. Sleighville area beside Willow Creek. 1021 Comment
  UCR179301  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2006-10-10 11529 Yuba Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 just north of the Nevada County line at the Middle Yuba River bridge 451 Comment
  UCR179302  Polygonum hydropiper George K. Helmkamp, E. A. Helmkamp 2006-10-10 11528 Yuba Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 just north of the Nevada County line at the Middle Yuba River bridge 451 Comment
  UCR179303  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2006-10-10 11527 Yuba Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 just north of the Nevada County line at the Middle Yuba River bridge 451 Comment
  UCR179304  Conyza canadensis George K. Helmkamp, E. A. Helmkamp 2006-10-10 11526 Yuba Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 just north of the Nevada County line at the Middle Yuba River bridge 451 Comment
  UCR179305  Paspalum dilatatum George K. Helmkamp, E. A. Helmkamp 2006-10-10 11525 Yuba Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 just north of the Nevada County line at the Middle Yuba River bridge 451 Comment
  UCR179332  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 2006-10-10 11523 Yuba Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 just north of the Nevada County line at the Middle Yuba River bridge 451 Comment
  UCR179807  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2006-10-10 11524 Yuba Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 just north of the Nevada County line at the Middle Yuba River bridge 451 Comment
  UCR189051  Navarretia divaricata subsp. divaricata George K. Helmkamp, E. A. Helmkamp 2007-8-29 12832 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR189428  Holcus mollis George K. Helmkamp, E. A. Helmkamp 2007-8-29 12834 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR189429  Gnaphalium luteoalbum George K. Helmkamp, E. A. Helmkamp 2007-8-29 12833 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR189430  Navarretia divaricata subsp. divaricata George K. Helmkamp, E. A. Helmkamp 2007-8-29 12832 A Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR189619  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2007-8-29 12836 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR189620  Polygonum persicaria George K. Helmkamp, E. A. Helmkamp 2007-8-29 12835 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR189621  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-8-29 12843 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 1.2 miles southwest of Camptonville 701 Comment
  UCR189622  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2007-8-29 12840 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR189623  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2007-8-29 12841 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR189624  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2007-8-29 12837 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR189625  Arbutus menziesii George K. Helmkamp, E. A. Helmkamp 2007-8-29 12838 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR189626  Convolvulus arvensis George K. Helmkamp, E. A. Helmkamp 2007-8-29 12839 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR189627  Trifolium repens George K. Helmkamp, E. A. Helmkamp 2007-8-29 12842 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 1.2 miles southwest of Camptonville 701 Comment
  UCR191111  Polystichum imbricans subsp. curtum George K. Helmkamp, E. A. Helmkamp 2007-8-29 12824 Yuba Northern Sierra Nevada Mountains Foothills, Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek 1021 Comment
  UCR191116  Polystichum imbricans subsp. imbricans George K. Helmkamp, E. A. Helmkamp 2007-8-29 12823 Yuba Northern Sierra Nevada Mountains Foothills, Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek 1021 Comment
  UCR191119  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2007-8-29 12825 Yuba Northern Sierra Nevada Mountains Foothills, Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek 1021 Comment
  UCR191120  Polygonum punctatum George K. Helmkamp, E. A. Helmkamp 2007-8-29 12826 Yuba Northern Sierra Nevada Mountains Foothills, Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek 1021 Comment
  UCR191121  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2007-8-29 12828 Yuba Northern Sierra Nevada Mountains Foothills, Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek 1021 Comment
  UCR191122  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2007-8-29 12829 Yuba Northern Sierra Nevada Mountains Foothills, Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek 1021 Comment
  UCR191123  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2007-8-29 12830 Yuba Northern Sierra Nevada Mountains Foothills, Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek 1021 Comment
  UCR191124  Aster oregonensis George K. Helmkamp, E. A. Helmkamp 2007-8-29 12831 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCR194895  Scutellaria californica George K. Helmkamp, E. A. Helmkamp 2007-5-26 12145 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR194896  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12135 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR194897  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2007-5-26 12142 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR194898  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2007-5-26 12136 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR194899  Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2007-5-26 12139 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR194900  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12138 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR194902  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2007-5-26 12126 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  UCR194903  Keckiella breviflora subsp. glabrisepala George K. Helmkamp, E. A. Helmkamp 2007-5-26 12141 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR194904  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2007-5-26 12143 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR194905  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2007-5-26 12140 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR194906  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12129 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  UCR194907  Philadelphus lewisii George K. Helmkamp, E. A. Helmkamp 2007-5-26 12130 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  UCR194908  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-5-26 12131 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  UCR194909  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2007-5-26 12132 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  UCR194910  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2007-5-26 12133 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  UCR194911  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-5-26 12128 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  UCR194912  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-26 12134 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  UCR195152  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12137 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR195157  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12146 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR195172  Trifolium glomeratum George K. Helmkamp, E. A. Helmkamp 2007-5-26 12147 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR195173  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2007-5-26 12144 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR196819  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2008-5-20 13463 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR196917  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2008-5-20 13492 Yuba Foothills, northern Sierra Nevada Mountains, Camptonville, at the junction of Henness Pass Road and CA-49 823 Comment
  UCR196919  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2008-5-20 13491 Yuba Foothills, northern Sierra Nevada Mountains, Camptonville, at the junction of Henness Pass Road and CA-49 823 Comment
  UCR196979  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2008-5-20 13464 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR196980  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2008-5-20 13465 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR196981  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2008-5-20 13466 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR196982  Clarkia virgata George K. Helmkamp, E. A. Helmkamp 2008-5-20 13467 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
Read comments
Jun 29 2014
  UCR196983  Pisum sativum George K. Helmkamp, E. A. Helmkamp 2008-5-20 13468 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR196984  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2008-5-20 13469 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR196989  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2008-5-20 13489 Yuba Foothills, northern Sierra Nevada Mountains, Camptonville, at the junction of Henness Pass Road and CA-49 823 Comment
  UCR196991  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp 2008-5-20 13461 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR196993  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2008-5-20 13462 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR196996  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2008-5-20 13488 Yuba Foothills, northern Sierra Nevada Mountains, Camptonville, at the junction of Henness Pass Road and CA-49 823 Comment
  UCR196997  Lupinus polyphyllus var. burkei George K. Helmkamp, E. A. Helmkamp 2008-5-20 13490 Yuba Foothills, northern Sierra Nevada Mountains, Camptonville, at the junction of Henness Pass Road and CA-49 823 Comment
  UCR197046  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2008-5-20 13470 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR197047  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2008-5-20 13471 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR197048  Melica torreyana George K. Helmkamp, E. A. Helmkamp 2008-5-20 13472 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR197049  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2008-5-20 13473 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR197050  Dactylis glomerata George K. Helmkamp, E. A. Helmkamp 2008-5-20 13474 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR197051  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2008-5-20 13475 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR197052  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2008-5-20 13476 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR197053  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2008-5-20 13477 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR197588  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2008-5-20 13460 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR197805  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2008-5-20 13459 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  UCR200882  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2008-9-18 14130 Yuba Foothills, northern Sierra Nevada Mountains, Bullards Bar Dam, along Marysville Road, 6 miles southwest of its junction with CA-49 616 Comment
  UCR200883  Sorghum halepense George K. Helmkamp, E. A. Helmkamp 2008-9-18 14131 Yuba Foothills, northern Sierra Nevada Mountains, Bullards Bar Dam, along Marysville Road, 6 miles southwest of its junction with CA-49 616 Comment
  UCR200886  Croton setiger George K. Helmkamp, E. A. Helmkamp 2008-9-18 14129 Yuba Foothills, northern Sierra Nevada Mountains, Bullards Bar Dam, along Marysville Road, 6 miles southwest of its junction with CA-49 616 Comment
  UCR201738  Raphanus raphanistrum George K. Helmkamp, E. A. Helmkamp 2008-10-6 14211 Yuba Sacramento Valley, Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  UCR201739  Sorghum halepense George K. Helmkamp, E. A. Helmkamp 2008-10-6 14212 Yuba Sacramento Valley, Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  UCR201764  Abutilon theophrasti George K. Helmkamp, E. A. Helmkamp 2008-10-6 14210 Yuba Sacramento Valley, Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  UCR201766  Amaranthus powellii George K. Helmkamp, E. A. Helmkamp 2008-10-6 14209 Yuba Sacramento Valley, Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  UCR201770  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2008-10-6 14208 Yuba Sacramento Valley, Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  UCR201776  Xanthium spinosum George K. Helmkamp, E. A. Helmkamp 2008-10-6 14207 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  UCR201900  Convolvulus arvensis George K. Helmkamp, E. A. Helmkamp 2008-10-6 14200 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  UCR201936  Sorghum halepense George K. Helmkamp, E. A. Helmkamp 2008-10-6 14206 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  UCR201937  Panicum capillare George K. Helmkamp, E. A. Helmkamp 2008-10-6 14204 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  UCR201938  Eleocharis macrostachya George K. Helmkamp, E. A. Helmkamp 2008-10-6 14205 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  UCR201939  Lactuca serriola George K. Helmkamp, E. A. Helmkamp 2008-10-6 14202 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  UCR201940  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2008-10-6 14203 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  UCR201941  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2008-10-6 14201 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  UCR206944  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2009-5-28 14822 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  UCR206945  Lupinus polyphyllus var. burkei George K. Helmkamp, E. A. Helmkamp 2009-5-28 14835 Yuba Sierra Nevada Mountains Foothills, along CA-49, 2.2 miles north of the Camptonville exit 811 Comment
  UCR206946  Dactylis glomerata George K. Helmkamp, E. A. Helmkamp 2009-5-28 14834 Yuba Sierra Nevada Mountains Foothills, along CA-49, 2.2 miles north of the Camptonville exit 811 Comment
  UCR206947  Lotus uliginosus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14833 Yuba Sierra Nevada Mountains Foothills, along CA-49, 2.2 miles north of the Camptonville exit 811 Comment
  UCR206948  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14834 B Yuba Sierra Nevada Mountains Foothills, along CA-49, 2.2 miles north of the Camptonville exit 811 Comment
  UCR206949  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2009-5-28 14832 Yuba Sierra Nevada Mountains Foothills, along CA-49, 2.2 miles north of the Camptonville exit 811 Comment
  UCR206950  Polystichum imbricans subsp. imbricans George K. Helmkamp, E. A. Helmkamp 2009-5-28 14831 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  UCR206951  Vicia americana George K. Helmkamp, E. A. Helmkamp 2009-5-28 14823 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  UCR206952  Viola lobata var. lobata George K. Helmkamp, E. A. Helmkamp 2009-5-28 14824 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  UCR206953  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2009-5-28 14825 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  UCR206954  Chamaebatia foliolosa George K. Helmkamp, E. A. Helmkamp 2009-5-28 14826 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  UCR206955  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14827 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  UCR206956  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2009-5-28 14828 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  UCR206957  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2009-5-28 14821 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  UCR206958  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-5-28 14830 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  UCR206959  Stellaria media George K. Helmkamp, E. A. Helmkamp 2009-5-28 14829 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  UCR206960  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2009-5-28 14836 Yuba Sierra Nevada Mountains Foothills, along CA-49, 2.2 miles north of the Camptonville exit 811 Comment
  UCR207042  Trifolium hybridum George K. Helmkamp, E. A. Helmkamp 2009-5-28 14837 Yuba Sierra Nevada Mountains Foothills, along CA-49, 2.2 miles north of the Camptonville exit 811 Comment
  UCR230632  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17201 Yuba East edge of Sacramento Valley, Spenceville Road, 4.2 miles northwest of Wheatland 55 Comment
  UCR230633  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17200 Yuba East edge of Sacramento Valley, Spenceville Road, 4.2 miles northwest of Wheatland 55 Comment
  UCR231311  Amsinckia retrorsa George K. Helmkamp, E. A. Helmkamp 2011-5-6 17190 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir 65 Comment
  UCR231312  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17189 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir 65 Comment
  UCR231313  Briza minor George K. Helmkamp, E. A. Helmkamp 2011-5-6 17187 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.3 mile north of the junction with Hokan Lane, vicinity of Camp Far West Reservoir 105 Comment
  UCR231314  Brodiaea minor George K. Helmkamp, E. A. Helmkamp 2011-5-6 17198 Yuba East edge of Sacramento Valley, Camp Far West Road, 2.3 miles northwest of the junction at Camp Far West Reservoir, 5.3 miles NE (53 deg. ) of Wheatland 55 Comment
  UCR231315  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-5-6 17197 Yuba East edge of Sacramento Valley, Camp Far West Road, 2.3 miles northwest of the junction at Camp Far West Reservoir, 5.3 miles NE (53 deg. ) of Wheatland 55 Comment
  UCR231316  Brodiaea californica var. californica George K. Helmkamp, E. A. Helmkamp 2011-5-6 17196 Yuba East edge of Sacramento Valley, Camp Far West Road, 2.3 miles northwest of the junction at Camp Far West Reservoir, 5.3 miles NE (53 deg. ) of Wheatland 55 Comment
  UCR231317  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 2011-5-6 17195 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir 65 Comment
  UCR231318  Juncus bufonius var. bufonius George K. Helmkamp, E. A. Helmkamp 2011-5-6 17194 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir 65 Comment
  UCR231319  Parentucellia viscosa George K. Helmkamp, E. A. Helmkamp 2011-5-6 17193 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir 65 Comment
  UCR231320  Linum bienne George K. Helmkamp, E. A. Helmkamp 2011-5-6 17208 Yuba East edge of Sacramento Valley, junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg. ) of Wheatland 56 Comment
  UCR231321  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2011-5-6 17207 Yuba East edge of Sacramento Valley, junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg. ) of Wheatland 56 Comment
  UCR231322  Eleocharis macrostachya George K. Helmkamp, E. A. Helmkamp 2011-5-6 17206 Yuba East edge of Sacramento Valley, junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg. ) of Wheatland 56 Comment
  UCR231323  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17205 Yuba East edge of Sacramento Valley, junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg. ) of Wheatland 56 Comment
  UCR231324  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17204 Yuba East edge of Sacramento Valley, junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg. ) of Wheatland 56 Comment
  UCR231325  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17203 Yuba East edge of Sacramento Valley, junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg. ) of Wheatland 56 Comment
  UCR231326  Juncus bufonius var. bufonius George K. Helmkamp, E. A. Helmkamp 2011-5-6 17202 Yuba East edge of Sacramento Valley, Spenceville Road, 4.2 miles northwest of Wheatland 55 Comment
  UCR231328  Triticum aestivum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17188 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir 65 Comment
  UCR231329  Parentucellia viscosa George K. Helmkamp, E. A. Helmkamp 2011-5-6 17199 Yuba East edge of Sacramento Valley, Camp Far West Road, 2.3 miles northwest of the junction at Camp Far West Reservoir, 5.3 miles NE (53 deg. ) of Wheatland 55 Comment
  UCR231331  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17186 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.3 mile north of the junction with Hokan Lane, vicinity of Camp Far West Reservoir 105 Comment
  UCR231332  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2011-5-6 17185 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.3 mile north of the junction with Hokan Lane, vicinity of Camp Far West Reservoir 105 Comment
  UCR231333  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17184 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.3 mile north of the junction with Hokan Lane, vicinity of Camp Far West Reservoir 105 Comment
  UCR231334  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17183 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.3 mile north of the junction with Hokan Lane, vicinity of Camp Far West Reservoir 105 Comment
  UCR231335  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17182 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.3 mile north of the junction with Hokan Lane, vicinity of Camp Far West Reservoir 105 Comment
  UCR231336  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17181 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.3 mile north of the junction with Hokan Lane, vicinity of Camp Far West Reservoir 105 Comment
  UCR231337  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-5-6 17180 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.3 mile north of the junction with Hokan Lane, vicinity of Camp Far West Reservoir 105 Comment
  UCR231340  Trifolium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17192 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir 65 Comment
  UCR231341  Spergularia macrotheca var. leucantha George K. Helmkamp, E. A. Helmkamp 2011-5-6 17191 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir 65 Comment
  UCR232223  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2011-5-6 17209 Yuba East edge of Sacramento Valley, junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg. ) of Wheatland 56 Comment
  UCR232224  Briza maxima George K. Helmkamp, E. A. Helmkamp 2011-5-6 17210 Yuba East edge of Sacramento Valley, junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg. ) of Wheatland 56 Comment
  UCR232226  Brodiaea californica var. californica George K. Helmkamp, E. A. Helmkamp 2011-5-6 17211 Yuba Eastern edge of Sacramento Valley, Camp Far West Road, 1.3 miles southeast of its junction with Spenceville Road, 5.25 mi. NE (52 deg. ) of Wheatland 62 Comment
  UCR232228  Plagiobothrys fulvus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17212 Yuba Eastern edge of Sacramento Valley, Camp Far West Road, 1.3 miles southeast of its junction with Spenceville Road, 5.25 mi. NE (52 deg. ) of Wheatland 62 Comment
  UCR232230  Briza maxima George K. Helmkamp, E. A. Helmkamp 2011-5-6 17213 Yuba Eastern edge of Sacramento Valley, Camp Far West Road, 1.3 miles southeast of its junction with Spenceville Road, 5.25 mi. NE (52 deg. ) of Wheatland 62 Comment
  UCR232249  Elymus caput-medusae George K. Helmkamp, E. A. Helmkamp 2011-5-6 17214 Yuba Eastern edge of Sacramento Valley, Camp Far West Road, 1.3 miles southeast of its junction with Spenceville Road, 5.25 mi. NE (52 deg. ) of Wheatland 62 Comment
  UCR232252  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2011-5-6 17215 Yuba Eastern edge of Sacramento Valley, Camp Far West Road, 1.3 miles southeast of its junction with Spenceville Road, 5.25 mi. NE (52 deg. ) of Wheatland 62 Comment
  UCR234193  Layia chrysanthemoides George K. Helmkamp, E. A. Helmkamp 2011-4-10 17165 Yuba Sacramento Valley, along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland 44 Comment
  UCR234194  Eschscholzia lobbii George K. Helmkamp, E. A. Helmkamp 2011-4-10 17163 Yuba Sacramento Valley, along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland 44 Comment
  UCR234201  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-4-10 17164 Yuba Sacramento Valley, along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland 44 Comment
  UCR234208  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2011-4-10 17166 Yuba Sacramento Valley, along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland 44 Comment
  UCR234209  Plagiobothrys greenei George K. Helmkamp, E. A. Helmkamp 2011-4-10 17167 Yuba Sacramento Valley, along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland 44 Comment
  UCR234210  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2011-4-10 17168 Yuba Sacramento Valley, along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland 44 Comment
  UCR257126  Scandix pecten-veneris George K. Helmkamp 2014-4-17 22766 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257127  Dichelostemma capitatum subsp. capitatum George K. Helmkamp 2014-4-17 22767 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257159  Micropus californicus var. californicus George K. Helmkamp 2014-4-17 22769 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257161  Bromus diandrus George K. Helmkamp 2014-4-17 22770 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257538  Plagiobothrys fulvus var. campestris George K. Helmkamp 2014-4-17 22768 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257539  Amsinckia intermedia George K. Helmkamp 2014-4-17 22757 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257540  Hordeum murinum subsp. murinum George K. Helmkamp 2014-4-17 22758 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257541  Triphysaria eriantha subsp. eriantha George K. Helmkamp 2014-4-17 22759 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257542  Leontodon taraxacoides George K. Helmkamp 2014-4-17 22760 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257543  Ranunculus occidentalis George K. Helmkamp 2014-4-17 22761 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257544  Lupinus bicolor George K. Helmkamp 2014-4-17 22762 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257545  Triteleia laxa George K. Helmkamp 2014-4-17 22763 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR257546  Vicia sativa subsp. sativa George K. Helmkamp 2014-4-17 22764 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCR258212  Avena fatua George K. Helmkamp, Amy Barnes 2013-3-28 20262 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258213  Trifolium dubium George K. Helmkamp, Amy Barnes 2013-3-28 20263 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258214  Briza minor George K. Helmkamp, Amy Barnes 2013-3-28 20264 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258220  Leontodon taraxacoides subsp. taraxacoides George K. Helmkamp, Amy Barnes 2013-3-28 20258 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258221  Bromus diandrus George K. Helmkamp, Amy Barnes 2013-3-28 20259 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258222  Triphysaria pusilla George K. Helmkamp, Amy Barnes 2013-3-28 20261 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258223  Festuca dertonensis George K. Helmkamp, Amy Barnes 2013-3-28 20252 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258224  Hordeum murinum subsp. glaucum George K. Helmkamp, Amy Barnes 2013-3-28 20253 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258225  Raphanus sativus George K. Helmkamp, Amy Barnes 2013-3-28 20254 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258226  Erodium botrys George K. Helmkamp, Amy Barnes 2013-3-28 20255 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258227  Festuca perennis George K. Helmkamp, Amy Barnes 2013-3-28 20255 A Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258228  Vicia villosa subsp. varia George K. Helmkamp, Amy Barnes 2013-3-28 20256 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258230  Geranium dissectum George K. Helmkamp, Amy Barnes 2013-3-28 20248 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258234  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2013-3-28 20249 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258235  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20250 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258236  Ranunculus bonariensis var. trisepalus George K. Helmkamp, Amy Barnes 2013-3-28 20251 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR258551  Psilocarphus brevissimus var. brevissimus George K. Helmkamp, Amy Barnes 2013-3-28 20257 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCR262433  Juglans californica var. hindsii George K. Helmkamp, E. A. Helmkamp 2009-9-5 15600 Yuba Sacramento Valley, Grasshopper Slough along CA-65, c. 1 mile NW of central Wheatland 29 Comment



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