Studies of American plants.
By: by Paul C. Standley.
Series: Fieldiana -- v. 8, no. 5; Publication / Field Museum of Natural History -- 294; Publication (Field Museum of Natural History) -- 294.
Publisher: Field Museum of Natural History
Published: 1931
Place of publication: Chicago, U.S.A
Subjects: Rubiaceae -- South America.; Rubiaceae -- Central America.