Search Results — 340 specimen records retrieved (339 records with coordinates)
Results for search: County=SACRAMENTO; Source=All; Collector=Helmkamp;   

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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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-BC226258  Lupinus bicolor George K. Helmkamp; E. A. Helmkamp 2010-3-26 15787 Sacramento Southern Sacramento Valley: Pony Brown Road, 0.7 mi. east of its junction with Ione Road, 2.3 miles NW (338 deg. ) of Eagle's Nest Airport 81 Comment
  CAS-BOT-BC227106  Dittrichia graveolens George K. Helmkamp; E. A. Helmkamp 2011-11-19 18464 Sacramento Eastern Sacramento Valley: Stonehouse Road 0.2 mile north of its junction with CA-16/Jackson Rd., between the road and Rancho Murieta Housing area 44 Comment
  CAS-BOT-BC228558  Amsinckia intermedia George K. Helmkamp; E. A. Helmkamp 2010-3-26 15788 Sacramento Southern Sacramento Valley: Pony Brown Road, 0.7 mi. east of its junction with Ione Road, 2.3 miles NW (338 deg. ) of Eagle's Nest Airport 81 Comment
  CAS-BOT-BC248272  Rumex occidentalis George K. Helmkamp; E. A. Helmkamp 2012-2-17 18555 Sacramento Sacramento Valley: Rancho Omochumnes, Indio Drive, 0.2 mile south of its junction with CA-16 (Jackson Rd.) at Latrobe Road 64 Comment
  CAS-BOT-BC341449  Lagophylla ramosissima G. K. Helmkamp; E. A. Helmkamp 2008-10-2 14197 Sacramento Sacramento Valley: Latrobe Road, 7.4 miles west of Latrobe 67 Comment
  CAS-BOT-BC520344  Phoradendron leucarpum subsp. tomentosum George K. Helmkamp; E. A. Helmkamp 2012-10-3 19952 Sacramento SE Sacramento Valley: bike trail parking area at the S side of the American River, 0.6 mi W of Gold County Rd 27 Comment
  CAS-BOT-BC523888  Mollugo verticillata George K. Helmkamp; E. A. Helmkamp 2012-10-1 19943 Sacramento Eastern Sacramento Valley: Latrobe Rd, 2.4 mi W of the El Dorado Co. line, N of Rancho Murieta 73 Comment
  CAS-BOT-BC523889  Lagophylla glandulosa George K. Helmkamp; E. A. Helmkamp 2012-10-1 19944 Sacramento Eastern Sacramento Valley: Latrobe Rd, 2.4 mi W of the El Dorado Co. line, N of Rancho Murieta 73 Comment
  CAS-BOT-BC523890  Grindelia hirsutula George K. Helmkamp; E. A. Helmkamp 2012-10-1 19946 Sacramento Eastern Sacramento Valley: SE end of El Dorado Hills; Windfield Way just S of its jct with White Rock Rd 167 Comment
  CAS-BOT-BC523891  Heterotheca oregona George K. Helmkamp; E. A. Helmkamp 2012-10-3 19956 Sacramento Southeast Sacramento Valley: bike trail parking area at the S side of the American River, 0.6 mi W of Gold Country Rd 27 Comment
  CAS-BOT-BC536083  Layia fremontii G. K. Helmkamp; Amy Barnes 2014-4-7 22696 Sacramento Sacramento Valley: along CA-104/Twin Cities Rd., 0.7 mi W of the Amador County line 62 Comment
  CAS-BOT-BC537221  Amsinckia lycopsoides George K. Helmkamp; E. A. Helmkamp 2012-3-3 18592 Sacramento Sacramento Delta/Valley: Twi Cities Road (Co. Rd E-13) at Sourgrass Slough, NE of Locke 14 Comment
  CDA35804  Raphanus sativus G. K. Helmkamp, E. A. Helmkamp 2007-3-14 11621 Sacramento Sacramento Valley; edge of Sierra Nevada foothills.; Latrobe Rd. at Michigan Bar Rd., about 3.5 miles west of Latrobe and 0.3 miles west of the El Dorado County line. Comment
  CDA36244  Cardamine pensylvanica G. K. Helmkamp, E. A. Helmkamp 2007-3-14 11625 Sacramento Sacramento Valley; edge of Sierra Nevada foothills.; Latrobe Rd. at Michigan Bar Rd., about 3.5 miles west of Latrobe and 0.3 miles west of the El Dorado County line. Comment
  CDA36250  Stellaria neglecta G. K. Helmkamp, E. A. Helmkamp 2007-3-14 11633 Sacramento Sacramento Valley near the edge of Sierra Nevada foothills.; Latrobe Rd. about 5.7 miles west of Latrobe and 1.5 miles west of the El Dorado County line. Comment
  CHSC118012  Holocarpha virgata subsp. virgata G. K Helmkamp; E. A Helmkamp 2008-10-2 14188 Sacramento Sacramento Valley: Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line. 152 Comment
  HSC104223  Holocarpha virgata subsp. virgata G. K. Helmkamp, E. A. Helmkamp 2012-10-1 19945 Sacramento Eastern Sacramento Valley: Latrobe Road, 2.4 mi. W of the El Dorado County line, N of Rancho Murieta 73 Comment
  JEPS119430  Holocarpha virgata subsp. virgata G. K. Helmkamp, E. A. Helmkamp 2011-11-19 18460 Sacramento Eastern Sacramento Valley, White Rock Road, 0.2 mile west of its junction with Placerville Road, 5.5 mi. SE (130 deg. ) of Folsom Comment
  RSA0047094  Holozonia filipes George K. Helmkamp, E. A. Helmkamp 2008-10-2 14196 Sacramento Sacramento Valley: Latrobe Road, 7.4 miles west of Latrobe. 67 Comment
  RSA0089622  Amsinckia intermedia George K. Helmkamp, E. Helmkamp 2010-3-26 15788 Sacramento Southern Sacramento Valley: Pony Brown Road, 0.7 miles east of its junction with Ione Road, 2.3 miles NW (338 degrees) of Eagle s Nest Airport. 81 Comment
  RSA0093559  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2008-10-30 14292 Sacramento Southern Sacramento Valley. along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99. 5 Comment
  RSA0115953  Leontodon saxatilis George K. Helmkamp, Amy Barnes 2014-4-7 22712 Sacramento Sacramento Valley: North side of Rancho Seco lake (Rancho Seco Recreational Park), 1.3 miles south of CA-104. 76 Comment
  RSA746546  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2007-3-14 11619 Sacramento Sacramento Valley; edge of Sierra Nevada foothills: Latrobe Rd. at Michigan Bar Rd., about 3.5 mi. west of Latrobe and 0.3 mi. W of the El Dorado County line. 146 Comment
  RSA747037  Plagiobothrys nothofulvus George K. Helmkamp, E. Helmkamp 2007-3-14 11627 Sacramento Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  RSA747038  Amsinckia eastwoodiae George K. Helmkamp, E. Helmkamp 2007-3-14 11620 Sacramento Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  RSA747468  Polygonum punctatum George K. Helmkamp, E. A. Helmkamp 2008-10-30 14300 Sacramento Southern Sacramento Valley: along CA-104, 0.6 mile west of Clay. 24 Comment
  RSA747469  Brassica juncea George K. Helmkamp, E. A. Helmkamp 2008-10-30 14294 Sacramento Southern Sacramento Valley: along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99. 5 Comment
  RSA747470  Hemizonia fitchii George K. Helmkamp, E. A. Helmkamp 2008-10-30 14295 Sacramento Southern Sacramento Valley: junction of Alta Mesa Road and Twin Cities Road (Highway E-13), northeast of Herald. 15 Comment
  RSA748399  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2008-10-30 14296 Sacramento junction of Alta Mesa Road and Twin Cities Road (Highway E-13), northeast of Herald 15 Comment
  RSA748400  Cephalanthus occidentalis var. californicus George K. Helmkamp, E. A. Helmkamp 2008-10-30 14299 Sacramento Southern Sacramento Valley: along CA-104, 0.6 mile west of Clay. 24 Comment
  RSA748405  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2008-10-30 14301 Sacramento Southern Sacramento Valley: along CA-104, 0.6 mile west of Clay. 24 Comment
  RSA748728  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2008-10-30 14287 Sacramento along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99 5 Comment
  RSA749726  Lagophylla glandulosa George K. Helmkamp, E. A. Helmkamp 2008-10-2 14197 Sacramento Sacramento Valley: Latrobe Road, 7.4 miles west of Latrobe. 67 Comment
  RSA749727  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2008-10-2 14190 Sacramento Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  RSA749730  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2008-10-2 14192 Sacramento Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  RSA749731  Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2008-10-2 14188 Sacramento Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  RSA749735  Trichostema lanceolatum George K. Helmkamp, E. A. Helmkamp 2008-10-2 14193 Sacramento Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  RSA749737  Kickxia elatine George K. Helmkamp, E. A. Helmkamp 2008-10-2 14189 Sacramento Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  RSA769902  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2009-8-28 15536 Sacramento along Latrobe Road, 1.1 miles west of the El Dorado County line, 3 mi. NE (36 deg ) of Rancho Murieta 140 Comment
  RSA792720  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-11-19 18464 Sacramento Stonehouse Road 0.2 mile north of its junction with CA-16/Jackson Rd., between the road and Rancho Murieta Housing area 44 Comment
  SBBG126184  Triphysaria eriantha subsp. eriantha G. K. Helmkamp with E. A. Helmkamp 2007-3-14 11619 Sacramento Latrobe Rd at Michigan Bar Rd ca. 3.5 mi W of Latrobe and 0.3 mi W of El Dorado County line 146 Comment
Read comments
Mar 30 2014
  SD197643  Amaranthus albus G. K. Helmkamp, E. A. Helmkamp 2008-10-30 14288 Sacramento Southern Sacramento Valley; along Highway E13, 4.4 miles west of its junction with CA-99. 4 Comment
  SD197690  Holocarpha virgata subsp. virgata G. K. Helmkamp, E. A. Helmkamp 2008-10-2 14188 Sacramento Sacramento Valley: Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado County line. 152 Comment
  SD197694  Helminthotheca echioides G. K. Helmkamp, E. A. Helmkamp 2008-10-30 14289 Sacramento Southern Sacramento Valley: along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99. 4 Comment
  SD197701  Xanthium spinosum G. K. Helmkamp, E. A. Helmkamp 2008-10-30 14290 Sacramento Southern Sacramento Valley: along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99. 4 Comment
  SD197722  Brassica rapa G. K. Helmkamp, E. A. Helmkamp 2008-10-30 14287 Sacramento Southern Sacramento Valley, along Highway E13, 4.4 miles west of its junction with CA-99. 4 Comment
  SD197743  Dysphania ambrosioides G. K. Helmkamp, E. A. Helmkamp 2008-10-30 14285 Sacramento Southern Sacramento Valley; Highway E13, 3.5 miles west of CA-99. 17 Comment
  SD197769  Acmispon americanus var. americanus G. K. Helmkamp, E. A. Helmkamp 2008-10-30 14286 Sacramento Southern Sacramento Valley: Highway E13 (Twin Cities Road), 3.5 miles west of CA-99. 17 Comment
  SD234310  Holocarpha virgata subsp. virgata G. K. Helmkamp, E. A. Helmkamp 2008-10-2 14188 Sacramento Sacramento Valley: Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line. 152 Comment
  SD236181  Centaurea solstitialis G. K. Helmkamp, E. A. Helmkamp 2008-10-2 14194 Sacramento Sacramento Valley: Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  SD236202  Holozonia filipes G. K. Helmkamp, E. A. Helmkamp 2008-10-2 14196 Sacramento Sacramento Valley: Latrobe Road, 7.4 miles west of Latrobe 67 Comment
  SD236203  Lagophylla ramosissima subsp. ramosissima G. K. Helmkamp, E. A. Helmkamp 2008-10-2 14197 Sacramento Sacramento Valley: Latrobe Road, 7.4 miles west of Latrobe 67 Comment
  SD236323  Trichostema lanceolatum G. K. Helmkamp, E. A. Helmkamp 2008-10-2 14193 Sacramento Sacramento Valley: Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  SD236342  Epilobium brachycarpum G. K Helmkamp, E. A. Helmkamp 2008-10-2 14190 Sacramento Sacramento Valley: Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line. 152 Comment
  SD236419  Kickxia elatine G. K. Helmkamp, E. A. Helmkamp 2008-10-2 14189 Sacramento Sacramento Valley: Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  SD237327  Centromadia fitchii G. K. Helmkamp, E. A. Helmkamp 2009-8-28 15537 Sacramento Northern Sacramento Valley: along Latrobe Road, 1.1 miles west of the El Dorado County line, 3 mi. NE (36a^z) of Rancho Murieta. 139 Comment
  SD237328  Centromadia fitchii G. K. Helmkamp, E. A. Helmkamp 2007-9-9 12918 Sacramento Sacramento Valley: Along Hwy CA-16, 0.8 mile west of the Amador County line. 85 Comment
  SD237332  Holocarpha virgata subsp. virgata G. K. Helmkamp, E. A. Helmkamp 2009-8-28 15535 Sacramento Northern Sacramento Valley: along Latrobe Road, 1.1 miles west of the El Dorado County line, 3 mi. NE (36a^z) of Rancho Murieta. 139 Comment
  SD237333  Holozonia filipes G. K. Helmkamp, E. A. Helmkamp 2009-8-28 15542 Sacramento Northern Sacramento Valley: along Latrobe Road, 3.6 miles west of the El Dorado County line, 1 mi. NNW of Rancho Murieta. 60 Comment
  SD239584  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-11-19 18464 Sacramento Eastern Sacramento Valley: Stonehouse Road 0.2 mile north of its junction with CA-16 / Jackson Rd., between the road and Rancho Murieta Housing area. 43 Comment
  SD239730  Acmispon americanus var. americanus George K. Helmkamp, E. A. Helmkamp 2009-8-28 15536 Sacramento Northern Sacramento Valley: along Latrobe Road, 1.1 miles west of the El Dorado County line, 3 miles NE (36a^z) of Rancho Murieta (Folsom SE 7.5'Q) 139 Comment
  SD240876  Lasthenia californica George K. Helmkamp, E. A. Helmkamp 2010-3-26 15778 Sacramento Sacramento Valley/lower Sierra Nevada Foothills: along CA-16 (Jackson Road), 0.2 mile west of the Amador County line (Carbondale 7.5'Q) 81 Comment
  SD240988  Acacia dealbata George K. Helmkamp, E. A. Helmkamp 2012-3-3 18587 Sacramento Sacramento Valley/Delta: Twin Cities Road (Co. Rd. E-13) 0.1 mile NE of its junction with I-5 (Bruceville 7.5'Q) 4 Comment
  SD241197  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2010-3-26 15777 Sacramento Sacramento Valley/lower Sierra Nevada Foothills: along CA-16 (Jackson Road), 0.2 mile west of the Amador County line (Carbondale 7.5'Q) 81 Comment
  SD241200  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2010-3-26 15780 Sacramento Sacramento Valley/lower Sierra Nevada Foothills: along CA-16 (Jackson Road), 0.2 mile west of the Amador County line (Carbondale 7.5'Q) 81 Comment
  SD247331  Leontodon taraxacoides George K. Helmkamp, Amy Barnes 2014-4-7 22734 Sacramento Sacramento Valley: along CA-104/Twin Cities Road, west northwest of Rancho Seco Nuclear Generating Station. 56 Comment
  SD247381  Raphanus sativus George K. Helmkamp, Amy Barnes 2014-4-7 22719 Sacramento Sacramento Valley: Clay East Road, 1 mile east of its junction with CA-104. 52 Comment
  SD247394  Stellaria media George K. Helmkamp, E. A. Helmkamp 2012-2-17 18557 Sacramento Sacramento Valley: along Dillard Road, 0.2 mile south of its junction with CA-16/Jackson Road, southeast of Sacramento. 57 Comment
  SD247428  Medicago sativa George Helmkamp, E. A. Helmkamp 2012-1-13 18510 Sacramento Southern Sacramento Valley: Rancho Murieta, Jackson Road (CA-16), 1.2 miles west of Michigan Bar Road (Carbondale 7.5'Q) 66 Comment
  SD255749  Pisum sativum George K. Helmkamp, Amy Barnes 2014-4-7 22728 Sacramento Sacramento Valley; Clay East Road, 1.0 mile east of its junction with CA 10. 52 Comment
  SD255838  Rumex acetosella George K. Helmkamp, Amy Barnes 2014-4-7 22732 Sacramento Sacramento Valley: Clay East Road, 1 mile east of its junction with CA-104 (Clay 7.5'Q) 52 Comment
  SEINET10782605  Kickxia elatine George K. Helmkamp, E. A. Helmkamp 2008-10-2 Helmkamp 14189 Sacramento Latrobe Road, 4.9 miles west of Latrobe and just east of the El dorado Co. line (Folsom SE 7.5' Q.:). 152 Comment
  SEINET11261870  Trifolium dubium George Helmkamp 2010-3-26 15776 Sacramento Sacramento Valley/lower Sierra Nevada Foothills: along CA-16 (Jackson Rd.), .2 mile west of the Amador County line (Carbondale 7.5 Q.).; 0 82 Comment
  SEINET11261873  Holocarpha virgata George Helmkamp, E. A. Helmkamp 2011-11-19 18460 Sacramento Eastern Sacramento Valley: White Rock Coad, .2 mile west of its junction with Placerville Road, 5.5 mi SE (1301/4) of Folsom (Clarkesville 7.5' Q.).; 0 127 Comment
  SEINET1908428  Lagophylla ramosissima subsp. ramosissima G. K. Helmkamp, E. A. Helmkamp 2008-1 14197 Sacramento Sacramento Valley, Latrobe Road, 7.4 miles west of Latrobe Comment
  SEINET1908434  Kickxia elatine G. K. Helmkamp, E. A. Helmkamp 2008-1 14189 Sacramento Sacramento Valley: Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line. 152 Comment
  SEINET1908659  Holocarpha virgata subsp. virgata G. K. Helmkamp, E. A. Helmkamp 2008-1 14188 Sacramento Sacramento Valley: Latrobe Road, 4.9 miles wst of Latrobe and just east of the El Dorado Co., line. 152 Comment
  SEINET3245812  Euphorbiaceae G. K. Helmkamp, E. A. Helmkamp 2009-1 15544 Sacramento Northern Sacramento Valley: along Latrobe Road, 3.6 miles west of the El Dorado County line, 1 mi. NNW of Rancho Murieta. 61 Comment
  SEINET3245819  Cichorium intybus G. K. Helmkamp, E. A. Helmkamp 2009-1 15561 Sacramento Sacramento Valley: along Nicolaus Ave., 2.2 miles northwest of the Placer Co. line, 4.4 miles ENE (86 deg. ) of Nicolaus. 8 Comment
  SEINET3245831  Trichostema lanceolatum G. K. Helmkamp, E. A. Helmkamp 2009-1 15534 Sacramento Northern Sacramento Valley: along Latrobe Road, 1.1 miles west of the El Dorado County line, 3 mi. NE (36 deg. ) of Rancho Murieta (Folsom SE 7.5') 140 Comment
  SEINET3245836  Fraxinus latifolia G. K. Helmkamp, E. A. Helmkamp 2009-1 15567 Sacramento Sacramento Valley: along Nicolaus Ave., at the crossing over Coon Creek, just south of the junction with Warren Road, 1.1 mi SE (103 deg. ) of Towbridge. 14 Comment
  SEINET3245868  Euphorbia maculata G. K. Helmkamp, E. A. Helmkamp 2009-1 15538 Sacramento Northern Sacramento Valley: along Latrobe Road, 1.1 miles west of the El Dorado County Line, 3 mi. NE (36 deg. ) of Rancho Murieta. 140 Comment
  SEINET3245870  Holocarpha virgata subsp. virgata G. K. Helmkamp, E. A. Helmkamp 2009-1 15535 Sacramento Northern Sacramento Valley: along Latrobe Road, 1.1 miles west of the El Dorado County line, 3mi. NE (36 deg. ) of Rancho Murieta. 140 Comment
  SEINET3245875  Hemizonia fitchii G. K. Helmkamp, E. A. Helmkamp 2009-1 15537 Sacramento Northern Sacramento Valley: along Latrobe Road, 1.1 miles west of the El Dorado County line, 3 mi. NE (36 deg. ) of Rancho Murieta. 140 Comment
  SEINET3245876  Xanthium strumarium G. K. Helmkamp, E. A. Helmkamp 2009-1 15541 Sacramento Northern Sacramento Valley: along Latrobe, 3.2 miles west of the El Dorado County line, 1 mi. due north of Rancho Murieta. 73 Comment
  SEINET3245878  Asclepias fascicularis G. K. Helmkamp, E. A. Helmkamp 2009-1 15540 Sacramento Northern Sacramento Valley: along Latrobe Road, 3.2 miles west of the El Dorado County line, 1 mi. due north of Rancho Murieta. 73 Comment
  SEINET3245890  Acmispon americanus var. americanus G. K. Helmkamp, E. A. Helmkamp 2007-1 12914 Sacramento Sacramento Valley: Along Hwy CA-16, 0.8 mile west of the Amador County line. 85 Comment
  SEINET3246121  Holozonia filipes G. K. Helmkamp, E. A. Helmkamp 2009-1 15542 Sacramento Northern Sacramento Valley: along Latrobe Road, 3.6 miles west of the El Dorado County line, 1 mi. NNW of Rancho Murieta. 61 Comment
  SEINET3246128  Lagophylla ramosissima subsp. ramosissima G. K. Helmkamp, E. A. Helmkamp 2009-1 15543 Sacramento Northern Sacramento Valley: along Latrobe Road, 3.6 miles west of the El Dorado County line, 1 mi. NNW of Rancho Murieta. 61 Comment
  SEINET3246204  Dysphania ambrosioides G. K. Helmkamp, E. A. Helmkamp 2008-1 14285 Sacramento Southern Sacramento Valley: Highway E13 (Twin Cities Road), 3.5 miles west of CA-99. (Bruceville 7.5' Quad) 20 Comment
  SEINET3246219  Sorghum halepense G. K. Helmkamp, E. A. Helmkamp 2008-1 14284 Sacramento Southern Sacramento Valley: Highway E13 (Twin Cities Road), 3.5 miles west of CA-99. 18 Comment
  SEINET3257989 Image available Holozonia filipes George K. Helmkamp, E. A. Helmkamp 2008-10-2 14196 Sacramento Sacramento Valley; Latrobe Road, 7.4 miles west of Latrobe. 67 Comment
  SEINET3271545 Image available Lasthenia gracilis George K. Helmkamp, E. A. Helmkamp 2007-4-5 11739 Sacramento Eastern Sacramento Valley; along Hwy CA-104, 5.6 miles west of Ione 66 Comment
  SEINET3271605 Image available Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2007-3-14 11635 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills; Latrobe Rd about 5.7 miles west of Latrobe and 1.5 miles west of the El Dorado Co. line 110 Comment
  SEINET3282757 Image available Quercus lobata George K. Helmkamp, E. A. Helmkamp 2008-10-30 14283 Sacramento Southern Sacramento Valley; Highway E13 (Twin Cities Road), 3.5 miles west of CA-99. 18 Comment
  SEINET3282801 Image available Amaranthus albus George K. Helmkamp, E. A. Helmkamp 2008-10-30 14288 Sacramento Southern Sacramento Valley; along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99. 5 Comment
  SEINET3282802 Image available Sorghum halepense George K. Helmkamp, E. A. Helmkamp 2008-10-30 14284 Sacramento Southern Sacramento Valley; Highway E13 (Twin Cities Road), 3.5 miles west of CA-99. 18 Comment
  SEINET3411982 Image available Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2012-2-17 18549 Sacramento Sacramento Valley: along Scott Road, 2.67 miles S of its junction with White Rock Road, south of Folsom Lake and Hwy 50 76 Comment
  SEINET3412004 Image available Vulpia myuros var. myuros George K. Helmkamp, E. A. Helmkamp 2012-1 18554 Sacramento Sacramento Valley: Rancho Omochumnes, Indio Drive, 0.2 mile ... 64 Comment
  SEINET3412006 Image available Avena fatua George K. Helmkamp, E. A. Helmkamp 2012-2-17 18553 Sacramento Sacramento Valley: Rancho Omochumnes, Indio Drive, 0.2 mile south of its junction with CA-16 (Jackson Rd.) at Latrobe Road 64 Comment
  SEINET3821609 Image available Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2011-11-19 18460 Sacramento Eastern Sacramento Valley, White Rock ROad, 0.2 mile west of its junction with Placerville Rd., 5.5 mi SE (130 degrees) of Folsom (Clarkesville 7.5' Q) 126 Comment
  SEINET3821621 Image available Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2010-3-26 15780 Sacramento Sacramento Valley/lower Sierra Nevada Foothills, along CA-16 (Jackson Rd.), 0.2 mile west of the Amador County line (Carbondale 7.5' Q) 82 Comment
  SEINET3821622 Image available Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2010-3-26 15781 Sacramento Sacramento Valley/lower Sierra Nevada Foothills, along CA-16 (Jackson Rd.), 0.2 mile west of the Amador County line (Carbondale 7.5' Q) 82 Comment
  SEINET3821623 Image available Poa annua George K. Helmkamp, E. A. Helmkamp 2010-3-26 15782 Sacramento Southern Sacramento Valley, Pony Brown Road, 0.7 mile east of its junction with Ione Road, 2.3 miles NW (338 degrees) of Eagle's Nest Airport (Carbondale 7.5' Q) 81 Comment
  SEINET3821628 Image available Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2010-3-26 15776 Sacramento Sacramento Valley/lower Sierra Nevada Foothills, along CA-16 (Jackson Rd.), 0.2 mile west of the Amador County line (Carbondale 7.5' Q) 82 Comment
  SEINET3828314  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2010-1 15779 Sacramento Sacramento Valley/lower Sierra Nevada Foothills: along CA-16 (Jackson Rd.) 82 Comment
  SEINET4560541  Stellaria media George K. Helmkamp, E. A. Helmkamp 2012-1 18557 Sacramento Sacramento Valley: along Dillard Road, 0.2 mile south of its junction with CA-16/Jackson Rd, SE of Sacramento. 58 Comment
  SEINET4560899  Vulpia myuros var. myuros George K. Helmkamp, E. A. Helmkamp 2012-1 18554 Sacramento Sacramento Valley: Rancho Omochumnes, Indio Drive, 0.2 mile south of its junction with CA-16 (Jackson Rd.) at Latrobe Road. 64 Comment
  SEINET4691849  Festuca myuros George K. Helmkamp, E. A. Helmkamp 2012-1 18586 Sacramento Sacramento Valley/Delta: Twin Cities Road (Co. Rd. E-13), 0.1 mile NE of its junction with I-5. 5 Comment
  SEINET4691851  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2012-1 18548 Sacramento Sacramento Valley: along Scott Road, 2.67 miles south of its junction with White Rock Road, south of Folsom Lake and Hwy 50. 76 Comment
  SEINET7953068 Image available Andropogon virginicus var. virginicus George K. Helmkamp, E. A. Helmkamp 2007-9-9 12913 Sacramento Sacramento Valley; along Hwy CA-16, 0.8 mile west of the Amador County line 85 Comment
  SEINET9259650 Image available Hordeum murinum subsp. leporinum George K. Helmkamp, Amy Barnes 2014-1 22723 Sacramento Sacramento Valley: Clay East Road, 1 mile east of its junction with CA-104 (Clay 7.5' Q) 52 Comment
  SEINET9261274  Vicia villosa George K. Helmkamp, Amy Barnes 2014-1 22695 Sacramento Sacramento Valley: along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line (Carbondale 7.5 Q 62 Comment
  SEINET9261339  Erodium botrys George K. Helmkamp, Amy Barnes 2014-1 22692 Sacramento Sacramento Valley: along CA-104/Twin Cities Rd., 0.7 miles west of the Amador County line (Carbondale 7.5 Q 62 Comment
  SEINET9262001  Medicago polymorpha George K. Helmkamp, Amy Barnes 2014-1 22726 Sacramento Sacramento Valley: Clay East Road, 1 mile east of its junction with CA-104 (Clay 7.5 Q) 52 Comment
  SEINET9262002  Lolium perenne George K. Helmkamp, Amy Barnes 2014-1 22725 Sacramento Sacramento Valley: Clay East Road, 1 mile east of its junction with CA-104 (Clay 7.5 Q) 52 Comment
  SEINET9262003  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-1 22724 Sacramento Sacramento Valley: Clay East Road, 1 mile east of its junction with CA-104 (Clay 7.5 Q) 52 Comment
  SEINET9262008  Taeniatherum caput-medusae George K. Helmkamp, Amy Barnes 2014-1 22701 Sacramento Sacramento Valley: along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line (Carbondale 7.5 Q 62 Comment
  SEINET9262009  Festuca myuros var. myuros George K. Helmkamp, Amy Barnes 2014-1 22697 Sacramento Sacramento Valley: along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line (Carbondale 7.5 Q 62 Comment
  UC1951195  Triphysaria eriantha subsp. eriantha G. K. Helmkamp, E. A. Helmkamp 2007-3-14 11619 Sacramento Sacramento Valley; edge of Sierra Nevada foothills: Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi W of the El Dorado County line. Folsom 7.5' Quad. Comment
  UCD100185  Calandrinia ciliata G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11628 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills: Latrobe Rd. about 5.7 miles west of Latrobe and 1.5 miles W of the El Dorado County line. 110 Comment
  UCD103826  Acmispon americanus var. americanus G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11558 Sacramento Sacramento Valley: Along Latrobe Road, 0.1 mile west of the El Dorado County line, about 3.5 miles southwest of Latrobe. 137 Comment
  UCD103835  Acmispon americanus var. americanus G. K. Helmkamp; E. A. Helmkamp 2007-9-9 12914 Sacramento Sacramento Valley: Along Hwy. CA-16, 0.8 mile west of the Amador County line. 85 Comment
  UCD108918  Vicia sativa subsp. nigra G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11632 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills: Latrobe Rd. about 5.7 miles west of Latrobe and 1.5 miles W of the El Dorado Co. line. 110 Comment
  UCD114527  Cardamine pensylvanica G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11625 Sacramento Sacramento Valley; edge of Sierra Nevada Foothills; Latrobe Road at Michigan Bar Road, about 3.5 miles west of Latrobe and 0.3 mile west of the El Dorado County line. 146 Comment
  UCD115184  Raphanus sativus G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11621 Sacramento Sacramento Valley, edge of Sierra Nevada foothills; Latrobe Road at Michigan Bar Road, about 3.5 miles west of Latrobe and 0.3 mile west of the El Dorado County line. 146 Comment
  UCD115185  Raphanus sativus G. K. Helmkamp; E. A Helmkamp 2007-9-30 13049 Sacramento Sacramento Valley, Sacramento Avenue on the east side of CA-99, junction 1.4 miles north of the Feather River. 21 Comment
  UCD116719  Malvella leprosa G. K. Helmkamp; E. A. Helmkamp 2007-9-30 13048 Sacramento Sacramento Valley: Sacramento Ave. on the east side of CA-99, junction 1.4 miles north of the Feather River. 21 Comment
  UCD118943  Amsinckia eastwoodiae G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11620 Sacramento Sacramento Valley: Edge of Sierra Nevada foothills; Latrobe Road at Michigan Bar Road, about 3.5 miles west of Latrobe and 0.3 mile west of the El Dorado County line. 146 Comment
  UCD120898  Plagiobothrys nothofulvus G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11627 Sacramento Sacramento Valley; edge of Sierra Nevada foothills: Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi W of the El Dorado County line. 146 Comment
  UCD123405  Triphysaria eriantha subsp. eriantha G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11619 Sacramento Sacramento Valley; edge of Sierra Nevada foothills: Latrobe Road at Michigan Bar Road, about 3.5 miles west of Latrobe and 0.3 miles west of the El Dorado County line. 146 Comment
  UCD123406  Triphysaria eriantha subsp. eriantha G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11737 Sacramento Eastern Sacramento Valley; along Hwy CA-104, 5.6 miles west of Ione. 66 Comment
  UCD125842  Trichostema lanceolatum G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11556 Sacramento Sacramento Valley: Along Latrobe Road, 0.1 mile west of the El Dorado County line, about 3.5 miles southwest of Latrobe. 137 Comment
  UCD130180  Centromadia fitchii G. K. Helmkamp; E. A. Helmkamp 2007-9-9 12918 Sacramento Sacramento Valley: along Hwy CA-16, 0.8 mile west of the Amador County line. 85 Comment
  UCD131762  Erigeron canadensis G. K. Helmkamp; E. A. Helmkamp 2007-9-9 12917 Sacramento Sacramento Valley: Along Hwy. CA-16, 0.8 mile west of the Amador County line. 85 Comment
  UCD133236  Holocarpha virgata G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11555 Sacramento Sacramento Valley: Along Latrobe Road, 0.1 mile west of the El Dorado County line, about 3.5 miles southwest of Latrobe. 137 Comment
  UCD133249  Holocarpha virgata subsp. virgata G. K. Helmkamp; E. A. Helmkamp 2007-9-9 12909 Sacramento Sacramento Valley: Along Hwy. CA-16, 0.2 mile west of the Amador County line. 91 Comment
  UCD133884  Lasthenia platycarpha G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11739 Sacramento Eastern Sacramento Valley; along Hwy CA-104, 5.6 miles west of Ione. 66 Comment
  UCD133944  Layia chrysanthemoides G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11736 Sacramento Eastern Sacramento Valley; along Hwy CA-104, 5.6 miles west of Ione. 66 Comment
  UCD139191  Dichelostemma capitatum subsp. capitatum G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11622 Sacramento Sacramento Valley: Edge of Sierra Nevada foothills; Latrobe Road at Michigan Bar Road, about 3.5 miles west of Latrobe and 0.3 mile west of the El Dorado County line. 146 Comment
  UCD139193  Dichelostemma capitatum subsp. capitatum G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11630 Sacramento Sacramento Valley; edge of Sierra Nevada foothills: Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi W of the El Dorado County line. 110 Comment
  UCD142101  Croton setiger G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11557 Sacramento Sacramento Valley; along Latrobe Road, 0.1 mile west of the El Dorado County line, about 3.5 miles southwest of Latrobe. 137 Comment
  UCD150869  Lomatium caruifolium var. caruifolium G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11738 Sacramento Eastern Sacramento Valley; along Hwy CA-104, 5.6 miles west of Ione. 66 Comment
  UCD150872  Lomatium caruifolium var. denticulatum G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11623 Sacramento Sacramento Valley; edge of Sierra Nevada foothills: Latrobe Rd. at Michigan Bar Rd., about 3.5 mi. west of Latrobe and 0.3 mi. W of the El Dorado County line. 146 Comment
  UCD60320  Bromus hordeaceus G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11635 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills: Latrobe Rd. about 5.7 miles west of Latrobe and 1.5 miles W of the El Dorado Co. line. 109 Comment
  UCD60366  Bromus diandrus G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11631 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills. Latrobe Rd. about 5.7 miles west of Latrobe and 1.5 miles W of El Dorado Co. line. 110 Comment
  UCD60378  Eschscholzia lobbii G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11624 Sacramento Sacramento Valley; edge of Sierra Nevada foothills: Latrobe Rd. at Michigan Bar Rd., about 3.5 mi. west of Latrobe and 0.3 mi. W of the El Dorado County line. 146 Comment
  UCD60414  Vicia sativa subsp. nigra G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11632 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills: Latrobe Rd. about 5.7 miles west of Latrobe and 1.5 miles W of the El Dorado Co. line. 110 Comment
  UCD67030  Andropogon virginicus var. virginicus G. K. Helmkamp; E. A. Helmkamp 2007-9-9 12913 Sacramento Sacramento Valley: Along Hwy. CA-16, 0.8 mile west of the Amador County line. 85 Comment
  UCD95369  Eschscholzia lobbii G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11634 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains; Latrobe Rd. about 5.7 miles west of Latrobe and 1.5 miles W of the El Dorado Co. line. 110 Comment
  UCD99406  Stellaria media G. K. Helmkamp; E. A. Helmkamp 2007-3-14 11633 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills; Latrobe Road about 5.7 miles west of Latrobe and 1.5 miles W of the El Dorado County line. 110 Comment
  UCR182137  Croton setiger George K. Helmkamp, E. A. Helmkamp 2006-10-23 11557 Sacramento Sacramento Valley, along Latrobe Road, 0.1 mile west of the El Dorado County line, about 3.5 miles southwest of Latrobe 137 Comment
  UCR182138  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2006-10-23 11558 Sacramento Sacramento Valley, along Latrobe Road, 0.1 mile west of the El Dorado County line, about 3.5 miles southwest of Latrobe 137 Comment
  UCR182139  Holocarpha virgata George K. Helmkamp, E. A. Helmkamp 2006-10-23 11555 Sacramento Sacramento Valley, along Latrobe Road, 0.1 mile west of the El Dorado County line, about 3.5 miles southwest of Latrobe 137 Comment
  UCR182140  Trichostema lanceolatum George K. Helmkamp, E. A. Helmkamp 2006-10-23 11556 Sacramento Sacramento Valley, along Latrobe Road, 0.1 mile west of the El Dorado County line, about 3.5 miles southwest of Latrobe 137 Comment
  UCR184380  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2007-3-14 11631 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills, Latrobe Rd about 5.7 miles west of Latrobe and 1.5 miles west of the El Dorado Co. line 110 Comment
  UCR184382  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2007-3-14 11630 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills, Latrobe Rd about 5.7 miles west of Latrobe and 1.5 miles west of the El Dorado Co. line 110 Comment
  UCR184384  Vicia sativa subsp. nigra George K. Helmkamp, E. A. Helmkamp 2007-3-14 11632 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills, Latrobe Rd about 5.7 miles west of Latrobe and 1.5 miles west of the El Dorado Co. line 110 Comment
  UCR184385  Stellaria media George K. Helmkamp, E. A. Helmkamp 2007-3-14 11633 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills, Latrobe Rd about 5.7 miles west of Latrobe and 1.5 miles west of the El Dorado Co. line 110 Comment
  UCR184386  Eschscholzia lobbii George K. Helmkamp, E. A. Helmkamp 2007-3-14 11634 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills, Latrobe Rd about 5.7 miles west of Latrobe and 1.5 miles west of the El Dorado Co. line 110 Comment
  UCR184387  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2007-3-14 11635 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills, Latrobe Rd about 5.7 miles west of Latrobe and 1.5 miles west of the El Dorado Co. line 110 Comment
  UCR184388  Lepidium nitidum var. nitidum George K. Helmkamp, E. A. Helmkamp 2007-3-14 11636 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills, Latrobe Rd about 5.7 miles west of Latrobe and 1.5 miles west of the El Dorado Co. line 110 Comment
  UCR184823  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-3-14 11629 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills, Latrobe Rd about 5.7 miles west of Latrobe and 1.5 miles west of the El Dorado Co. line 110 Comment
  UCR184824  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2007-3-14 11619 Sacramento Sacramento Valley; edge of Sierra Nevada foothills, Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  UCR184825  Lomatium caruifolium var. denticulatum George K. Helmkamp, E. A. Helmkamp 2007-3-14 11623 Sacramento Sacramento Valley; edge of Sierra Nevada foothills, Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  UCR184826  Eschscholzia lobbii George K. Helmkamp, E. A. Helmkamp 2007-3-14 11624 Sacramento Sacramento Valley; edge of Sierra Nevada foothills, Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  UCR184827  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 2007-3-14 11628 Sacramento Sacramento Valley near the edge of Sierra Nevada Mountains foothills, Latrobe Rd about 5.7 miles west of Latrobe and 1.5 miles west of the El Dorado Co. line 110 Comment
  UCR184828  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2007-3-14 11627 Sacramento Sacramento Valley; edge of Sierra Nevada foothills, Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  UCR184829  Stellaria media George K. Helmkamp, E. A. Helmkamp 2007-3-14 11626 Sacramento Sacramento Valley; edge of Sierra Nevada foothills, Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  UCR184830  Cardamine pensylvanica George K. Helmkamp, E. A. Helmkamp 2007-3-14 11625 Sacramento Sacramento Valley; edge of Sierra Nevada foothills, Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  UCR184831  Vicia sativa subsp. nigra George K. Helmkamp, E. A. Helmkamp 2007-3-14 11624 A Sacramento Sacramento Valley; edge of Sierra Nevada foothills, Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  UCR184832  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2007-3-14 11622 Sacramento Sacramento Valley; edge of Sierra Nevada foothills, Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  UCR184833  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2007-3-14 11621 Sacramento Sacramento Valley; edge of Sierra Nevada foothills, Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  UCR184834  Amsinckia eastwoodiae George K. Helmkamp, E. A. Helmkamp 2007-3-14 11620 Sacramento Sacramento Valley; edge of Sierra Nevada foothills, Latrobe Rd at Michigan Bar Rd, about 3.5 mi west of Latrobe and 0.3 mi west of the El Dorado County line 146 Comment
  UCR187305  Lomatium caruifolium var. caruifolium George K. Helmkamp, E. A. Helmkamp 2007-4-5 11738 Sacramento Eastern Sacramento Valley, along Hwy CA-104, 5.6 miles west of Ione 66 Comment
  UCR187306  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2007-4-5 11737 Sacramento Eastern Sacramento Valley, along Hwy CA-104, 5.6 miles west of Ione 66 Comment
  UCR187307  Layia chrysanthemoides George K. Helmkamp, E. A. Helmkamp 2007-4-5 11736 Sacramento Eastern Sacramento Valley, along Hwy CA-104, 5.6 miles west of Ione 66 Comment
  UCR187308  Lasthenia gracilis George K. Helmkamp, E. A. Helmkamp 2007-4-5 11739 Sacramento Eastern Sacramento Valley, along Hwy CA-104, 5.6 miles west of Ione 66 Comment
  UCR189943  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-9-9 12910 Sacramento Sacramento Valley, along Hwy CA-16, 0.8 mile west of the Amador County line 85 Comment
  UCR189944  Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2007-9-9 12909 Sacramento Sacramento Valley, along CA-16, 0.2 mile west of the Amador County line. 91 Comment
  UCR192797  Typha angustifolia George K. Helmkamp, E. A. Helmkamp 2007-9-9 12915 Sacramento Sacramento Valley, along Hwy CA-16, 0.8 mile west of the Amador County line 85 Comment
  UCR192798  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2007-9-9 12914 Sacramento Sacramento Valley, along Hwy CA-16, 0.8 mile west of the Amador County line 85 Comment
  UCR193458  Conyza canadensis George K. Helmkamp, E. A. Helmkamp 2007-9-9 12917 Sacramento Sacramento Valley, along Hwy CA-16, 0.8 mile west of the Amador County line 85 Comment
  UCR193459  Hemizonia fitchii George K. Helmkamp, E. A. Helmkamp 2007-9-9 12918 Sacramento Sacramento Valley, along Hwy CA-16, 0.8 mile west of the Amador County line 85 Comment
  UCR193460  Briza maxima George K. Helmkamp, E. A. Helmkamp 2007-9-9 12911 Sacramento Sacramento Valley, along Hwy CA-16, 0.8 mile west of the Amador County line 85 Comment
  UCR193517  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2007-9-9 12916 Sacramento Sacramento Valley, along Hwy CA-16, 0.8 mile west of the Amador County line 85 Comment
  UCR193559  Andropogon virginicus var. virginicus George K. Helmkamp, E. A. Helmkamp 2007-9-9 12913 Sacramento Sacramento Valley, along Hwy CA-16, 0.8 mile west of the Amador County line 85 Comment
  UCR193580  Briza minor George K. Helmkamp, E. A. Helmkamp 2007-9-9 12912 Sacramento Sacramento Valley, along Hwy CA-16, 0.8 mile west of the Amador County line 85 Comment
  UCR201529  Kickxia elatine George K. Helmkamp, E. A. Helmkamp 2008-10-2 14189 Sacramento Sacramento Valley, Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  UCR201530  Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2008-10-2 14188 Sacramento Sacramento Valley, Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  UCR201531  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2008-10-2 14187 Sacramento Sacramento Valley, Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  UCR201532  Panicum capillare George K. Helmkamp, E. A. Helmkamp 2008-10-2 14186 Sacramento Sacramento Valley, Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  UCR201533  Convolvulus arvensis George K. Helmkamp, E. A. Helmkamp 2008-10-30 14291 Sacramento Southern Sacramento Valley, along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99 5 Comment
  UCR201534  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2008-10-30 14287 Sacramento Southern Sacramento Valley, along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99 5 Comment
  UCR201535  Picris echioides George K. Helmkamp, E. A. Helmkamp 2008-10-30 14289 Sacramento Southern Sacramento Valley, along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99 5 Comment
  UCR201536  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 2008-10-30 14288 Sacramento Southern Sacramento Valley, along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99 5 Comment
  UCR201544  Xanthium spinosum George K. Helmkamp, E. A. Helmkamp 2008-10-30 14290 Sacramento Southern Sacramento Valley, along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99 5 Comment
  UCR201555  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2008-10-2 14190 Sacramento Sacramento Valley, Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  UCR201559  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2008-10-2 14192 Sacramento Sacramento Valley, Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  UCR201561  Quercus douglasii George K. Helmkamp, E. A. Helmkamp 2008-10-2 14198 Sacramento Sacramento Valley, Latrobe Road, 7.4 miles west of Latrobe 67 Comment
  UCR201563  Lagophylla ramosissima subsp. ramosissima George K. Helmkamp, E. A. Helmkamp 2008-10-2 14197 Sacramento Sacramento Valley, Latrobe Road, 7.4 miles west of Latrobe 67 Comment
  UCR201564  Holozonia filipes George K. Helmkamp, E. A. Helmkamp 2008-10-2 14196 Sacramento Sacramento Valley, Latrobe Road, 7.4 miles west of Latrobe 67 Comment
  UCR201565  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2008-10-2 14195 Sacramento Sacramento Valley, Latrobe Road, 7.4 miles west of Latrobe 67 Comment
  UCR201566  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2008-10-2 14194 Sacramento Sacramento Valley, Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  UCR201568  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 2008-10-2 14185 Sacramento Sacramento Valley, Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  UCR201579  Lactuca serriola George K. Helmkamp, E. A. Helmkamp 2008-10-2 14191 Sacramento Sacramento Valley, Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  UCR201720  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2008-10-30 14286 Sacramento Southern Sacramento Valley, Highway E13 (Twin Cities Road), 3.5 miles west of CA-99 18 Comment
  UCR201725  Quercus lobata George K. Helmkamp, E. A. Helmkamp 2008-10-30 14283 Sacramento Southern Sacramento Valley, Highway E13 (Twin Cities Road), 3.5 miles west of CA-99 18 Comment
  UCR201726  Chenopodium ambrosioides George K. Helmkamp, E. A. Helmkamp 2008-10-30 14285 Sacramento Southern Sacramento Valley, Highway E13 (Twin Cities Road), 3.5 miles west of CA-99 18 Comment
  UCR201727  Sorghum halepense George K. Helmkamp, E. A. Helmkamp 2008-10-30 14284 Sacramento Southern Sacramento Valley, Highway E13 (Twin Cities Road), 3.5 miles west of CA-99 18 Comment
  UCR201772  Hemizonia fitchii George K. Helmkamp, E. A. Helmkamp 2008-10-2 14193 A Sacramento Sacramento Valley, Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  UCR201777  Trichostema lanceolatum George K. Helmkamp, E. A. Helmkamp 2008-10-2 14193 Sacramento Sacramento Valley, Latrobe Road, 4.9 miles west of Latrobe and just east of the El Dorado Co. line 152 Comment
  UCR205149  Lactuca serriola George K. Helmkamp, E. A. Helmkamp 2008-10-30 14293 Sacramento Southern Sacramento Valley, along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99 5 Comment
  UCR205150  Brassica juncea George K. Helmkamp, E. A. Helmkamp 2008-10-30 14294 Sacramento Southern Sacramento Valley, along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99 5 Comment
  UCR205151  Hemizonia fitchii George K. Helmkamp, E. A. Helmkamp 2008-10-30 14295 Sacramento Southern Sacramento Valley, junction of Alta Mesa Road and Twin Cities Road (Highway E-13), northeast of Herald 15 Comment
  UCR205152  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2008-10-30 14296 Sacramento Southern Sacramento Valley, junction of Alta Mesa Road and Twin Cities Road (Highway E-13), northeast of Herald 15 Comment
  UCR205153  Euphorbia maculata George K. Helmkamp, E. A. Helmkamp 2008-10-30 14297 Sacramento Southern Sacramento Valley, junction of Alta Mesa Road and Twin Cities Road (Highway E-13), northeast of Herald 15 Comment
  UCR205154  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2008-10-30 14298 Sacramento Southern Sacramento Valley, junction of Alta Mesa Road and Twin Cities Road (Highway E-13), northeast of Herald 15 Comment
  UCR205155  Cephalanthus occidentalis var. californicus George K. Helmkamp, E. A. Helmkamp 2008-10-30 14299 Sacramento Southern Sacramento Valley, along CA-104, 0.6 mile west of Clay 24 Comment
  UCR205156  Polygonum punctatum George K. Helmkamp, E. A. Helmkamp 2008-10-30 14300 Sacramento Southern Sacramento Valley, along CA-104, 0.6 mile west of Clay 24 Comment
  UCR205157  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2008-10-30 14301 Sacramento Southern Sacramento Valley, along CA-104, 0.6 mile west of Clay 24 Comment
  UCR205158  Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2008-10-30 14302 Sacramento Southern Sacramento Valley, along CA-104, 0.6 mile west of Clay 24 Comment
  UCR218941  Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2009-8-28 15540 Sacramento Northern Sacramento Valley, along Latrobe Road, 3.2 miles west of the El Dorado County line, 1 mi. due north of Rancho Murieta 73 Comment
  UCR218942  Trichostema lanceolatum George K. Helmkamp, E. A. Helmkamp 2009-8-28 15534 Sacramento Northern Sacramento Valley, along Latrobe Road, 1.1 miles west of the El Dorado County line, 3 mi. NE (36 deg. ) of Rancho Murieta 140 Comment
  UCR218943  Lagophylla ramosissima subsp. ramosissima George K. Helmkamp, E. A. Helmkamp 2009-8-28 15543 Sacramento Northern Sacramento Valley, along Latrobe Road, 3.6 miles west of the El Dorado County line, 1 mi. NNW of Rancho Murieta 61 Comment
  UCR218944  Holozonia filipes George K. Helmkamp, E. A. Helmkamp 2009-8-28 15542 Sacramento Northern Sacramento Valley, along Latrobe Road, 3.6 miles west of the El Dorado County line, 1 mi. NNW of Rancho Murieta 61 Comment
  UCR218945  Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2009-8-28 15535 Sacramento Northern Sacramento Valley, along Latrobe Road, 1.1 miles west of the El Dorado County line, 3 mi. NE (36 deg. ) of Rancho Murieta 140 Comment
  UCR218946  Hemizonia fitchii George K. Helmkamp, E. A. Helmkamp 2009-8-28 15537 Sacramento Northern Sacramento Valley, along Latrobe Road, 1.1 miles west of the El Dorado County line, 3 mi. NE (36 deg. ) of Rancho Murieta 140 Comment
  UCR219042  Euphorbia maculata George K. Helmkamp, E. A. Helmkamp 2009-8-28 15538 Sacramento Northern Sacramento Valley, along Latrobe Road, 1.1 miles west of the El Dorado County line, 3 mi. NE (36 deg. ) of Rancho Murieta 140 Comment
  UCR219065  Xanthium strumarium George K. Helmkamp, E. A. Helmkamp 2009-8-28 15541 Sacramento Northern Sacramento Valley, along Latrobe Road, 3.2 miles west of the El Dorado County line, 1 mi. due north of Rancho Murieta 73 Comment
  UCR219067  Croton setiger George K. Helmkamp, E. A. Helmkamp 2009-8-28 15544 Sacramento Northern Sacramento Valley, along Latrobe Road, 3.6 miles west of the El Dorado County line, 1 mi. NNW of Rancho Murieta 61 Comment
  UCR219169  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2009-8-28 15536 Sacramento Northern Sacramento Valley, along Latrobe Road, 1.1 miles west of the El Dorado County line, 3 mi. NE (36 deg. ) of Rancho Murieta 140 Comment
  UCR233102B  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2010-3-26 15781 Sacramento Sacramento Valley/lower Sierra Nevada Foothills, along CA-16 (Jackson Rd.), 0.2 mile west of the Amador County line 82 Comment
  UCR233103B  Poa annua George K. Helmkamp, E. A. Helmkamp 2010-3-26 15782 Sacramento Southern Sacramento Valley, Pony Brown Road, 0.7 mi. east of its junction with Ione Road, 2.3 miles NW (338 deg. ) of Eagle's Nest Airport 81 Comment
  UCR233104B  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2010-3-26 15780 Sacramento Sacramento Valley/lower Sierra Nevada Foothills, along CA-16 (Jackson Rd.), 0.2 mile west of the Amador County line 82 Comment
  UCR233112B  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2010-3-26 15779 Sacramento Sacramento Valley/lower Sierra Nevada Foothills, along CA-16 (Jackson Rd.), 0.2 mile west of the Amador County line 82 Comment
  UCR233135B  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2010-3-26 15776 Sacramento Sacramento Valley/lower Sierra Nevada Foothills, along CA-16 (Jackson Rd.), 0.2 mile west of the Amador County line 82 Comment
  UCR233215  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2010-3-26 15789 Sacramento Southern Sacramento Valley, Pony Brown Road, 0.7 mi. east of its junction with Ione Road, 2.3 miles NW (338 deg. ) of Eagle's Nest Airport 81 Comment
  UCR233216  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2010-3-26 15777 Sacramento Sacramento Valley/lower Sierra Nevada Foothills, along CA-16 (Jackson Rd.), 0.2 mile west of the Amador County line 82 Comment
  UCR233217  Lasthenia californica George K. Helmkamp, E. A. Helmkamp 2010-3-26 15778 Sacramento Sacramento Valley/lower Sierra Nevada Foothills, along CA-16 (Jackson Rd.), 0.2 mile west of the Amador County line 82 Comment
  UCR233218  Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2010-3-26 15790 Sacramento Southern Sacramento Valley, Pony Brown Road, 0.7 mi. east of its junction with Ione Road, 2.3 miles NW (338 deg. ) of Eagle's Nest Airport 81 Comment
  UCR233220  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2010-3-26 15788 Sacramento Southern Sacramento Valley, Pony Brown Road, 0.7 mi. east of its junction with Ione Road, 2.3 miles NW (338 deg. ) of Eagle's Nest Airport 81 Comment
  UCR233221  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-3-26 15787 Sacramento Southern Sacramento Valley, Pony Brown Road, 0.7 mi. east of its junction with Ione Road, 2.3 miles NW (338 deg. ) of Eagle's Nest Airport 81 Comment
  UCR233222  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, E. A. Helmkamp 2010-3-26 15786 Sacramento Southern Sacramento Valley, Pony Brown Road, 0.7 mi. east of its junction with Ione Road, 2.3 miles NW (338 deg. ) of Eagle's Nest Airport 81 Comment
  UCR233223  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2010-3-26 15785 Sacramento Southern Sacramento Valley, Pony Brown Road, 0.7 mi. east of its junction with Ione Road, 2.3 miles NW (338 deg. ) of Eagle's Nest Airport 81 Comment
  UCR233224  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2010-3-26 15784 Sacramento Southern Sacramento Valley, Pony Brown Road, 0.7 mi. east of its junction with Ione Road, 2.3 miles NW (338 deg. ) of Eagle's Nest Airport 81 Comment
  UCR233226  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2010-3-26 15783 Sacramento Southern Sacramento Valley, Pony Brown Road, 0.7 mi. east of its junction with Ione Road, 2.3 miles NW (338 deg. ) of Eagle's Nest Airport 81 Comment
  UCR235139  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-11-19 18464 Sacramento Eastern Sacramento Valley, Stonehouse Road 0.2 mile north of its junction with CA-16/Jackson Rd., between the road and Rancho Murieta Housing area 44 Comment
  UCR235304  Brassica geniculata George K. Helmkamp, E. A. Helmkamp 2011-11-19 18463 Sacramento Eastern Sacramento Valley, Scott Road, 5.9 miles south of its junction with Placerville Road, along Deer Creek, N of Rancho Murieta 53 Comment
  UCR235305  Kickxia elatine George K. Helmkamp, E. A. Helmkamp 2011-11-19 18462 Sacramento Eastern Sacramento Valley, Scott Road, 5.9 miles south of its junction with Placerville Road, along Deer Creek, N of Rancho Murieta 53 Comment
  UCR235306  Quercus lobata George K. Helmkamp, E. A. Helmkamp 2011-11-19 18461 Sacramento Eastern Sacramento Valley, Scott Road, 5.9 miles south of its junction with Placerville Road, along Deer Creek, N of Rancho Murieta 53 Comment
  UCR235307  Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2011-11-19 18460 Sacramento Eastern Sacramento Valley, White Rock Road, 0.2 mile west of its junction with Placerville Road, 5.5 mi. SE (130 deg. ) of Folsom 127 Comment
  UCR237459  Veronica persica George K. Helmkamp, E. A. Helmkamp 2012-2-17 18558 Sacramento Sacramento Valley, along Dillard Road, 0.2 mile south of its junction with CA-16/Jackson Rd, SE of Sacramento 58 Comment
  UCR237460  Stellaria media George K. Helmkamp, E. A. Helmkamp 2012-2-17 18557 Sacramento Sacramento Valley, along Dillard Road, 0.2 mile south of its junction with CA-16/Jackson Rd, SE of Sacramento 58 Comment
  UCR237461  Conium maculatum George K. Helmkamp, E. A. Helmkamp 2012-2-17 18556 Sacramento Sacramento Valley, along Dillard Road, 0.2 mile south of its junction with CA-16/Jackson Rd, SE of Sacramento 58 Comment
  UCR237561  Conium maculatum George K. Helmkamp, E. A. Helmkamp 2012-3-3 18597 Sacramento Sacramento Delta/Valley, Twin Cities Road (Co. Rd. E-13) at Sourgrass Slough, NE of Locke 14 Comment
  UCR237562  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2012-2-17 18548 Sacramento Sacramento Valley, along Scott Road, 2.67 miles south of its junction with White Rock Road, south of Folsom Lake and Hwy 50 76 Comment
  UCR237563  Taraxacum officinale George K. Helmkamp, E. A. Helmkamp 2012-2-17 18559 Sacramento Sacramento Valley, along Dillard Road, 0.2 mile south of its junction with CA-16/Jackson Rd, SE of Sacramento 58 Comment
  UCR237564  Rumex occidentalis George K. Helmkamp, E. A. Helmkamp 2012-2-17 18555 Sacramento Sacramento Valley, Rancho Omochumnes, Indio Drive, 0.2 mile south of its junction with CA-16 (Jackson Rd.) at Latrobe Road 64 Comment
  UCR237565  Vulpia myuros var. myuros George K. Helmkamp, E. A. Helmkamp 2012-2-17 18554 Sacramento Sacramento Valley, Rancho Omochumnes, Indio Drive, 0.2 mile south of its junction with CA-16 (Jackson Rd.) at Latrobe Road 64 Comment
  UCR237566  Avena fatua George K. Helmkamp, E. A. Helmkamp 2012-2-17 18553 Sacramento Sacramento Valley, Rancho Omochumnes, Indio Drive, 0.2 mile south of its junction with CA-16 (Jackson Rd.) at Latrobe Road 64 Comment
  UCR237567  Brassica juncea George K. Helmkamp, E. A. Helmkamp 2012-2-17 18552 Sacramento Sacramento Valley, along Scott Road, 2.67 miles south of its junction with White Rock Road, south of Folsom Lake and Hwy 50 76 Comment
  UCR237568  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2012-2-17 18550 Sacramento Sacramento Valley, along Scott Road, 2.67 miles south of its junction with White Rock Road, south of Folsom Lake and Hwy 50 76 Comment
  UCR237569  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2012-2-17 18549 Sacramento Sacramento Valley, along Scott Road, 2.67 miles south of its junction with White Rock Road, south of Folsom Lake and Hwy 50 76 Comment
  UCR237570  Festuca myuros George K. Helmkamp, E. A. Helmkamp 2012-3-3 18586 Sacramento Sacramento Valley/Delta, Twin Cities Road (Co. Rd. E-13), 0.1 mile NE of its junction with I-5 5 Comment
  UCR237571  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-3-3 18596 Sacramento Sacramento Delta/Valley, Twin Cities Road (Co. Rd. E-13) at Sourgrass Slough, NE of Locke 14 Comment
  UCR237572  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2012-3-3 18595 Sacramento Sacramento Delta/Valley, Twin Cities Road (Co. Rd. E-13) at Sourgrass Slough, NE of Locke 14 Comment
  UCR237573  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2012-3-3 18594 Sacramento Sacramento Delta/Valley, Twin Cities Road (Co. Rd. E-13) at Sourgrass Slough, NE of Locke 14 Comment
  UCR237574  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 2012-3-3 18593 Sacramento Sacramento Delta/Valley, Twin Cities Road (Co. Rd. E-13) at Sourgrass Slough, NE of Locke 14 Comment
  UCR237575  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2012-3-3 18592 Sacramento Sacramento Delta/Valley, Twin Cities Road (Co. Rd. E-13) at Sourgrass Slough, NE of Locke 14 Comment
  UCR237576  Triticum aestivum George K. Helmkamp, E. A. Helmkamp 2012-3-3 18591 Sacramento Sacramento Valley/Delta, River Road (Co. Rd. E-13), just north of Locke 13 Comment
  UCR237577  Capsella bursa-pastoris George K. Helmkamp, E. A. Helmkamp 2012-3-3 18590 Sacramento Sacramento Valley/Delta, River Road (Co. Rd. E-13), just north of Locke 13 Comment
  UCR237578  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2012-3-3 18589 Sacramento Sacramento Valley/Delta, River Road (Co. Rd. E-13), just north of Locke 13 Comment
  UCR237579  Pinus halepensis George K. Helmkamp, E. A. Helmkamp 2012-3-3 18585 Sacramento Sacramento Valley/Delta, Twin Cities Road (Co. Rd. E-13), 0.1 mile NE of its junction with I-5 5 Comment
  UCR237580  Hordeum murinum subsp. leporinum George K. Helmkamp, E. A. Helmkamp 2012-3-3 18584 Sacramento Sacramento Valley/Delta, Twin Cities Road (Co. Rd. E-13), 0.1 mile NE of its junction with I-5 5 Comment
  UCR237581  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-3-3 18583 Sacramento Sacramento Valley/Delta, Twin Cities Road (Co. Rd. E-13), 0.1 mile NE of its junction with I-5 5 Comment
  UCR237711  Acacia dealbata George K. Helmkamp, E. A. Helmkamp 2012-3-3 18587 Sacramento Sacramento Valley/Delta, Twin Cities Road (Co. Rd. E-13), 0.1 mile NE of its junction with I-5 5 Comment
  UCR237712  Avena sativa George K. Helmkamp, E. A. Helmkamp 2012-3-3 18588 Sacramento Sacramento Valley/Delta, River Road (Co. Rd. E-13), just north of Locke 13 Comment
  UCR241163  Phoradendron villosum George K. Helmkamp, E. A. Helmkamp 2012-10-3 19952 Sacramento Southeast Sacramento Valley, bike trail parking area at the south side of the American River, 0.6 mile west of Gold Country Road 27 Comment
  UCR241166  Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2012-10-1 19945 Sacramento Eastern Sacramento Valley, Latrobe Road, 2.4 miles west of the El Dorado County line, N of Rancho Murieta 73 Comment
  UCR241167  Lagophylla glandulosa George K. Helmkamp, E. A. Helmkamp 2012-10-1 19944 Sacramento Eastern Sacramento Valley, Latrobe Road, 2.4 miles west of the El Dorado County line, N of Rancho Murieta 73 Comment
  UCR241168  Mollugo verticillata George K. Helmkamp, E. A. Helmkamp 2012-10-1 19943 Sacramento Eastern Sacramento Valley, Latrobe Road, 2.4 miles west of the El Dorado County line, N of Rancho Murieta 73 Comment
  UCR241169  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 2012-10-3 19959 Sacramento Southeast Sacramento Valley, bike trail parking area at the south side of the American River, 0.6 mile west of Gold Country Road 27 Comment
  UCR241170  Pinus sabiniana George K. Helmkamp, E. A. Helmkamp 2012-10-3 19958 Sacramento Southeast Sacramento Valley, bike trail parking area at the south side of the American River, 0.6 mile west of Gold Country Road 27 Comment
  UCR241171  Croton setiger George K. Helmkamp, E. A. Helmkamp 2012-10-3 19957 Sacramento Southeast Sacramento Valley, bike trail parking area at the south side of the American River, 0.6 mile west of Gold Country Road 27 Comment
  UCR241172  Heterotheca oregona George K. Helmkamp, E. A. Helmkamp 2012-10-3 19956 Sacramento Southeast Sacramento Valley, bike trail parking area at the south side of the American River, 0.6 mile west of Gold Country Road 27 Comment
  UCR241173  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2012-10-3 19955 Sacramento Southeast Sacramento Valley, bike trail parking area at the south side of the American River, 0.6 mile west of Gold Country Road 27 Comment
  UCR241174  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2012-10-3 19954 Sacramento Southeast Sacramento Valley, bike trail parking area at the south side of the American River, 0.6 mile west of Gold Country Road 27 Comment
  UCR241175  Ailanthus altissima George K. Helmkamp, E. A. Helmkamp 2012-10-3 19953 Sacramento Southeast Sacramento Valley, bike trail parking area at the south side of the American River, 0.6 mile west of Gold Country Road 27 Comment
  UCR241176  Madia elegans subsp. densifolia George K. Helmkamp, E. A. Helmkamp 2012-10-3 19951 Sacramento Southeast Sacramento Valley, Sacramento State Aquatic Center south of the American River, 0.1 mile east of Hazel Ave. 49 Comment
  UCR241264  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2012-10-3 19949 Sacramento Southeast Sacramento Valley, Sacramento State Aquatic Center south of the American River, 0.1 mile east of Hazel Ave. 49 Comment
  UCR241265  Baccharis pilularis George K. Helmkamp, E. A. Helmkamp 2012-10-3 19950 Sacramento Southeast Sacramento Valley, Sacramento State Aquatic Center south of the American River, 0.1 mile east of Hazel Ave. 49 Comment
  UCR242020  Ambrosia psilostachya George K. Helmkamp, E. A. Helmkamp 2012-10-3 19960 Sacramento Southeast Sacramento Valley, bike trail parking area at the south side of the American River, 0.6 mile west of Gold Country Road 27 Comment
  UCR253205  Amsinckia intermedia George K. Helmkamp, Amy Barnes 2014-4-7 22716 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253206  Matricaria discoidea George K. Helmkamp, Amy Barnes 2014-4-7 22715 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253207  Triteleia laxa George K. Helmkamp, Amy Barnes 2014-4-7 22735 Sacramento Sacramento Valley, along CA-104/Twin Cities Road, WNW of Rancho Seco Nuclear Generating Station 56 Comment
  UCR253208  Leontodon taraxacoides George K. Helmkamp, Amy Barnes 2014-4-7 22734 Sacramento Sacramento Valley, along CA-104/Twin Cities Road, WNW of Rancho Seco Nuclear Generating Station 56 Comment
  UCR253209  Carduus tenuiflorus George K. Helmkamp, Amy Barnes 2014-4-7 22733 Sacramento Sacramento Valley, along CA-104/Twin Cities Road, WNW of Rancho Seco Nuclear Generating Station 56 Comment
  UCR253210  Rumex acetosella George K. Helmkamp, Amy Barnes 2014-4-7 22732 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253211  Lepidium nitidum var. nitidum George K. Helmkamp, Amy Barnes 2014-4-7 22731 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253212  Poa annua George K. Helmkamp, Amy Barnes 2014-4-7 22730 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253214  Pisum sativum George K. Helmkamp, Amy Barnes 2014-4-7 22728 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253223  Delphinium hesperium subsp. hesperium George K. Helmkamp, Amy Barnes 2014-4-7 22737 Sacramento Sacramento Valley, along CA-104/Twin Cities Road, WNW of Rancho Seco Nuclear Generating Station 56 Comment
  UCR253224  Amsinckia retrorsa George K. Helmkamp, Amy Barnes 2014-4-7 22736 Sacramento Sacramento Valley, along CA-104/Twin Cities Road, WNW of Rancho Seco Nuclear Generating Station 56 Comment
  UCR253255  Plantago lanceolata George K. Helmkamp, Amy Barnes 2014-4-7 22727 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253256  Medicago polymorpha George K. Helmkamp, Amy Barnes 2014-4-7 22726 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253257  Festuca perennis George K. Helmkamp, Amy Barnes 2014-4-7 22725 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253258  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-4-7 22724 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253259  Hordeum murinum subsp. leporinum George K. Helmkamp, Amy Barnes 2014-4-7 22723 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253260  Bromus diandrus George K. Helmkamp, Amy Barnes 2014-4-7 22722 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253261  Hordeum vulgare George K. Helmkamp, Amy Barnes 2014-4-7 22721 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253262  Rumex crispus George K. Helmkamp, Amy Barnes 2014-4-7 22720 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253263  Raphanus sativus George K. Helmkamp, Amy Barnes 2014-4-7 22719 Sacramento Sacramento Valley, Clay East Road, 1 mile east of its junction with CA-104 52 Comment
  UCR253471  Elymus caput-medusae George K. Helmkamp, Amy Barnes 2014-4-7 22701 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253472  Festuca myuros var. hirsuta George K. Helmkamp, Amy Barnes 2014-4-7 22701 A Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253473  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-4-7 22702 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253474  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-4-7 22703 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253517  Triteleia hyacinthina George K. Helmkamp, Amy Barnes 2014-4-7 22699 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253518  Lomatium caruifolium var. caruifolium George K. Helmkamp, Amy Barnes 2014-4-7 22698 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253544  Triphysaria eriantha subsp. eriantha George K. Helmkamp, Amy Barnes 2014-4-7 22700 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253547  Vicia villosa George K. Helmkamp, Amy Barnes 2014-4-7 22695 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253548  Plagiobothrys greenei George K. Helmkamp, Amy Barnes 2014-4-7 22693 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253549  Erodium botrys George K. Helmkamp, Amy Barnes 2014-4-7 22692 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253559  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-4-7 22711 Sacramento Sacramento Valley, North side of Rancho Seco Lake (Rancho Seco Recreational Park), 1.3 miles south of CA-104 76 Comment
  UCR253560  Triteleia hyacinthina George K. Helmkamp, Amy Barnes 2014-4-7 22710 Sacramento Sacramento Valley, North side of Rancho Seco Lake (Rancho Seco Recreational Park), 1.3 miles south of CA-104 76 Comment
  UCR253561  Hordeum murinum subsp. leporinum George K. Helmkamp, Amy Barnes 2014-4-7 22709 Sacramento Sacramento Valley, North side of Rancho Seco Lake (Rancho Seco Recreational Park), 1.3 miles south of CA-104 76 Comment
  UCR253562  Rosa canina George K. Helmkamp, Amy Barnes 2014-4-7 22708 Sacramento Sacramento Valley, North side of Rancho Seco Lake (Rancho Seco Recreational Park), 1.3 miles south of CA-104 76 Comment
  UCR253563  Geranium dissectum George K. Helmkamp, Amy Barnes 2014-4-7 22707 Sacramento Sacramento Valley, North side of Rancho Seco Lake (Rancho Seco Recreational Park), 1.3 miles south of CA-104 76 Comment
  UCR253564  Vicia villosa subsp. villosa George K. Helmkamp, Amy Barnes 2014-4-7 22706 Sacramento Sacramento Valley, North side of Rancho Seco Lake (Rancho Seco Recreational Park), 1.3 miles south of CA-104 76 Comment
  UCR253571  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-4-7 22704 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253581  Festuca myuros var. myuros George K. Helmkamp, Amy Barnes 2014-4-7 22697 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253582  Layia fremontii George K. Helmkamp, Amy Barnes 2014-4-7 22696 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR253583  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Amy Barnes 2014-4-7 22714 Sacramento Sacramento Valley, North side of Rancho Seco Lake (Rancho Seco Recreational Park), 1.3 miles south of CA-104 76 Comment
  UCR260809  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2008-10-30 14292 Sacramento Southern Sacramento Valley, along Highway E13 (Twin Cities Road) 4.4 miles west of its junction with CA-99 5 Comment
  UCR262431  Urtica urens George K. Helmkamp, E. A. Helmkamp 2012-1-13 18511 Sacramento Southern Sacramento Valley/lower Sierra Nevada Foothills, Michigan Bar Road 0.9 mile north of Jackson Road (CA-16) and just south of the Michigan Bar bridge 85 Comment
  UCR262432  Medicago sativa George K. Helmkamp, E. A. Helmkamp 2012-1-13 18510 Sacramento Southern Sacramento Valley, Rancho Murieta, Jackson Road (CA-16), 1.2 miles west of Michigan Bar Road 66 Comment
  UCR275492  Leontodon saxatilis George K. Helmkamp, Amy Barnes 2014-4-7 22712 Sacramento Sacramento Valley, North side of Rancho Seco Lake (Rancho Seco Recreational Park), 1.3 miles south of CA-104 76 Comment
  UCR275493  Leontodon saxatilis George K. Helmkamp, Amy Barnes 2014-4-7 22694 Sacramento Sacramento Valley, along CA-104/Twin Cities Rd., 0.7 mile west of the Amador County line 63 Comment
  UCR275494  Hypochaeris glabra George K. Helmkamp, Amy Barnes 2014-4-7 22705 Sacramento Sacramento Valley, North side of Rancho Seco Lake (Rancho Seco Recreational Park), 1.3 miles south of CA-104 76 Comment
  SBBG128873  Acacia dealbata G. K. Helmkamp, E. A. Helmkamp 2012-3-3 18587 Sacramento Sacramento Valley/Delta; Twin Cities Rd (Co Rd E-13), 0.1 mi NE of its juction with I-5 5 Comment



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