Studies of American plants, by Paul C. Standley.

v.4:no.8(1929)

Studies of Central American plants. by Paul C. Standley and Julian A. Steyermark.

v.23:no.3(1944)

Further studies in the genus Dodonaea.

v.23:no.6(1947)

Studies in the herbarium. I. Higinbothamia, a new genus, and other new Dioscoreaceae. New Amaranthaceae. By Edwin B. Uline.

v.1:no.5(1899)

Studies of Central American plants. by Paul C. Standley and Julian A. Steyermark.

v.22:no.5(1940)

Studies of Central American plants. by Paul C. Standley and Julian A. Steyermark.

v.23:no.4(1944)

Studies in Myxophyceae. By Francis Drouet

v.20:no.6(1942)

Studies of the vegetation of Missouri ... / By Julian A. Steyermark.

v.9:no.6(1941)

Contributions to the flora of South America: Studies on Andean Compositae, I. Studies in South American plants, II.

v.27:no.1(1950)

Studies of American plants. by Paul C. Standley.

v.17:no.2(1937)

Studies of Central American plants. by Paul C. Standley and Julian A. Steyermark.

v.23:no.2(1944)

Studies of Central American plants. by Paul C. Standley and Julian A. Steyermark.

v.23:no.1(1943)

Studies of American plants. by Paul C. Standley.

v.17:no.3(1937)

Studies of Central American plants. by Paul C. Standley and Julian A. Steyermark.

v.23:no.5(1947)

Studies of the American flora - I / By Julian A. Steyermark.

v.17:no.5(1938)