[On characteristics and taxonomy of genus of trees in Mexico and Central America] Includes index. Reuse of record except for individual research requires license from LexisNexis Academic & Library Solutions.
Microfiche. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 1996. 11 x 15 cm. (CIS US Executive Branch Documents, 1910-1932 : no. SI3.8-20.2)
CIS Index to U.S. Executive Branch Documents, 1910-1932 Part 1