Search Results — 20 specimen records retrieved (12 records with coordinates)
Results for search: County=SONOMA; Scientific name=Corylus cornuta californica (including nomenclatural synonyms); 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD110070  Corylus cornuta subsp. californica Mary M. Hektner 1974-7-8 139 Sonoma Between State Highway 1 and Pacific Reach Road; Unit 24 Owners' Map, Sea Ranch. Comment
  SACT002819  Corylus cornuta var. californica R. Darby 1940-3-11 Sonoma Chaparrl, humid transitional zone in deep black loam. 6.5 miles southwest of Sebastopol. 1 mile west of Burnside. Shrubs 5 feet high, herbage rounded beneath flowers. Comment
  SACT002816  Corylus californica Herbert Copeland 1933-3-18 Sonoma Collected on roadside between Freestone and Sebastopol. Shrub 1 m tall. Comment
  CAS-BOT-BC180189  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-10-3 314 Sonoma Crane Canyon Comment
  UCSB1014  Corylus cornuta subsp. californica Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna road and 5.1 miles north of Sebastopol in Vinehill region Comment
  CAS-BOT-BC180190  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-9-15 296 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC180191  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-2-16 527 Sonoma Mill Creek Road Comment
  CAS-BOT-BC180188  Corylus cornuta subsp. californica Peter Rubtzoff 1952-6-9 1188 Sonoma N slope of Fitch Mountain, near Healdsburg Comment
  SEINET12029962  Corylus cornuta var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 102 a Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  UCD110065  Corylus cornuta subsp. californica K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  UCD110093  Corylus cornuta subsp. californica J. M. Tucker 1951-6-26 2140 Sonoma Near summit of the range, beside road from Oakville to Glen Ellen. Comment
  CDA13750  Corylus cornuta var. californica G. F. Hrusa, R. Gross 1997-2-1 13620 Sonoma North Coast Ranges; Kortum Canyon Rd., approx. 1/4 mi. W of Hwy 29, immed. W of downtown Calistoga. Comment
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Jul 28 2008
  JEPS58674  Corylus californica W. L. Jepson 1903-10-4 2365 Sonoma Russian River, Eagle's Nest Camp Eagle's Nest Camp; Russian River, Eagle's Nest Camp Comment
  UCD110064  Corylus cornuta subsp. californica K. Esau 1932-4-2 s.n. Sonoma Russian River. Comment
  JEPS58665  Corylus californica W. L. Jepson 1923-7-20 10025 Sonoma Sonoma Canyon Comment
  UC480599  Corylus californica Carl Meyer 1928-3-4 325 Sonoma Sonoma County Comment
  UCD110060  Corylus cornuta subsp. californica Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1767 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  SEINET12030990  Corylus cornuta var. californica F. H. Utech 1988-1 88 -210 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  SEINET12031412  Corylus cornuta var. californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -259 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  POM188384  Corylus cornuta var. californica Marcus E. Jones 1931-7-5 28850 Sonoma West of Cloverdale. Comment

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