Search Results — 14 specimen records retrieved (13 records with coordinates)
Results for search: County=NAPA; Scientific name=Layia septentrionalis; Source=All;   More information: Jepson Online Interchange

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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC295369  Layia septentrionalis R. C. Wenk; E. S. Wenk 2006-4-30 439 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  CAS-BOT-BC329303  Layia septentrionalis John Thomas Howell 1940-5-19 15458 Napa Upper St. Helena Creek Comment
  HSC43960  Layia septentrionalis Robert M. Specht 1977-4-19 700 Napa Above drainage running NE from Adams Creek (sire 163) 497 Comment
  JEPS106631  Layia septentrionalis Jake Ruygt 1990-4-28 2511 Napa Bear Valley 615 Comment
  JEPS106632  Layia septentrionalis Jake Ruygt 1998-5-2 3948 Napa Chiles Canyon near white stone bridge. 146 Comment
  JEPS106633  Layia septentrionalis Jake Ruygt 1986-4-20 1719 Napa Palisades north of Oat Hill Mine Rd. 755 Comment
  JEPS106634  Layia septentrionalis Jake Ruygt 1989-4-22 2289 Napa Snell Valley Rd. just east of Butts Canyon Rd. 143 Comment
  JEPS129072  Layia septentrionalis Jake Ruygt 2016-4-2 6172 e Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS39206  Layia septentrionalis Willis L. Jepson 1893-5-1 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS40030  Layia septentrionalis Willis L. Jepson 1893-5-2 Napa grade to Pope Valley from Calistoga; Palisades Comment
  JEPS40041  Layia septentrionalis W. L. Jepson 1897-6-26 Napa Howell Mountain Comment
  UCD170351  Layia septentrionalis Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 850 Napa Just north of Nevada Creek, west, east, and south of Knoxville Wildlife Area boundaries due to indentation in the southern boundary. 392 Comment
  UCD63159  Layia septentrionalis Jake Ruygt 1980-4-13 834 Napa North of Snell Valley over ridge. 256 Comment
  UCD161693  Layia septentrionalis Jake Ruygt 2010-5-6 5542 Napa Snell Valley / Missimer Preserve, southeast drainage area. 213 Comment

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