Cowan and Soderstrom field book

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This field book contains a list of botanical specimens collected by Cowan, Soderstrom and others from 22 March 1959 to 18 November 1969. A list of identifiers and color key for locations are on the title page verso. Identifiers: L.B. Smith, Ernesto Foldats, E.C. Leonard, C. V. Morton, T. G. Yuncker, J. R. Swallen, J. J. Wurdack, Alcia Lourteig, Rogers McVaugh, Bill Turner, J. A. Steyermark, G. S. Bunting, R. L. Dressler, C. H. Dodson, Dan Nicolson, Robert Read, R. S. Cowan. Collector numbers 1100-2429 are included. List includes taxonomic name of specimens, brief physical description of specimen, measurements, slope measurement, elevations, and location included. Examples of localities include Chacochacare Island (Trinidad), Mont du Cap (Saint Lucia), Plummers Island (Potomac River near Cabin John, Maryland), Kaieteur Falls and Plateau (Guyana), and Potaro River (Guyana). Typed list of collector number, binomial, and herbarium for R.S. Cowan and T.R. Soderstrom Kaietaur Expedition--1962 prepared by C. L. Kelloff, February 2003" is also included, as well as, correspondence (1973, 1967, 1962), and list of specimens, 1795-2209, "Myrtaceae of British Guiana"; list "Baja California, Mexico, Woods collected by R. S. Cowan, 1963", numbers 2262-2361; "Cowan and Soderstrom Rubiaceae, det. Steyermark", numbers 1764-2249.

Date Range

1959-1969, 1973

Start Date

Mar 22, 1959

End Date


Access Information

At least 24 hours advance notice is recommended to consult this collection. Contact the Department of Botany at 202-633-0920 to make an appointment.


  • Plants
  • Botany


  • Saint Lucia
  • Trinidad
  • United States
  • Kaieteur
  • Colorado
  • Guyana
  • Potaro River
  • Trinidad and Tobago
  • Chacachacare
  • Plummers Island
  • Maryland


  • Fieldbook record
  • Field notes

Accession #

SIA Acc. 12-013

Collection name

Cowan and Stoderstrom field book, 1959-1969

Physical Description

1 field book

Physical Location

National Museum of Natural History (U.S.). Main Library