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

v.23:no.4(1944)

Useful plants and drugs of Iran and Iraq / by David Hooper. With notes by Henry Field.

v.9:no.3(1937)

The Rubiaceae of Ecuador, by Paul C. Standley.

v.7:no.2(1931)

Studies in Myxophyceae. By Francis Drouet

v.20:no.6(1942)

The planktonic freshwater species of Microcystis, by Francis Drouet ... and William A. Daily.

v.20:no.3(1939)

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

v.9:no.6(1941)

The genus Bidens ... by Earl Edward Sherff.

v.16:pt.2(1937)

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

v.27:no.1(1950)

Flora of Costa Rica ... by Paul C. Standley ...

v.18:pt.1(1937)

The forests and flora of British Honduras / by Paul C. Standley and Samuel J. Record ; in cooperation with the Conservator of Forests and the Agricultural Officer of the Colony.

v.12(1936)

Publications of Field Museum of Natural History.

Fieldiana. Botany series v. 11, index

The genus Bidens ... by Earl Edward Sherff.

v.16:pt.1(1937)

Studies of American plants. by Paul C. Standley.

v.17:no.2(1937)

Woods of northeastern Peru, by Llewelyn Williams.

v.15(1936)

Flora of Peru / by Mildred E. Mathias and Lincoln Constance.

v.13:pt:5A:no.1 (1962) [Umbelliferae]