1958-1959, Guadalupe Islands, California

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This field book contains notes Ernst kept during field research in Guadalupe Island (Isla Guadalupe) off the Coast of Baja California, Mexico and in various locations in the state of California to collect plant specimens for the Dudley Herbarium of Stanford University from 18 April to 12 July 1958 and 1 May to 25 July 1959. Collection numbers range from 256-279 then 542A to 575. A second set of numbers that probably record mileage, usually 5 digits or 5 digits and one decimal point, are occasionally included. California locations include Sonoma County, Mendocino County, and Inyo county. Other locations are also included. A sheet with corrected numbers for specimens 551-566B dated August 1961 is inserted.

Date Range


Start Date

Apr 18, 1958

End Date

Jul 25, 1959

Access Information

Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu.


  • Botany
  • Plants
  • Botanists


  • Mendocino
  • Sonoma
  • United States
  • Inyo
  • Mexico
  • California
  • Guadalupe, Isla


  • Fieldbook record
  • Field notes

Accession #

SIA RU007096

Collection name

Wallace R. Ernst papers, 1946-1971

Physical Description

1 field book

Physical Location

Smithsonian Institution Archives


Box 1 Folder 2