Title: Flowering plants collected on the Presidential cruise of 1938
First published: 1939
Subjects: Botany, Presidential Cruise (1938), Presidential cruise to the Galapagos Islands, 1938, Presidential Cruise (1938) (uri) http://id.loc.gov/authorities/names/n2003031265 (uri) http://viaf.org/viaf/sourceID/LC|n2003031265
Places: Clipperton Islands, Galapagos Islands
LC classification: Q11 .S7 vol. 98, no. 8