Orchids of Peru / Charles Schweinfurth.

v.30:no.2(1959)

Orchids of Peru / Charles Schweinfurth.

v.30:no.3(1960)

Orchids of Peru / Charles Schweinfurth.

v.30:no.1(1958)

Orchids of Guatemala [by] Oakes Ames and Donovan Stewart Correll.

v.26:no.1(1952)

Orchids of Peru / Charles Schweinfurth.

v.30:no.4(1961)

First supplement to the Orchids of Peru / Charles Schweinfurth.

v.33(1970)

Supplement to Orchids of Guatemala, and British Honduras / by Donovan S. Correll.

v.31:no.7(1965)

A new Eurystyles from Nicaragua [by] Alfonso H. Heller.

v.31:no.12(1968)

Typification of Schlechter's Costa Rican Orchidaceae, types collected by A. Brenes / Kerry Barringer.

n.s. no.17(1986)