The American species of Passifloraceae, by Ellsworth P. Killip.

v.19:pt.2(1938)

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

v.18:pt.3(1938)

Flora of Guatemala / by Paul C. Standley and Julian A. Steyermark.

v.24:pt.1(1958)

New plants from British Honduras, by Paul C. Standley.

v.11:no.4(1932)

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

v.22:no.5(1940)

The North American species of Rumex, by K. H. Rechinger, jr.

v.17:no.1(1937)

New palms of Bahia, by Gregorio Bondar.

v.22:no.9(1942)

Flora of Peru / by J. Francis Macbride ; B.E. Dahlgren, editor.

v.13:pt:6:no.2 (1937) [Plantag., Caprifol., Valerian., Cucurbit., Campanul., Calycer.]

Flora of Peru / by J. Francis Macbride.

v.13:pt.5:no.2 (1960) [Boraginaceae]

I. New species of Cuban Senecioneae. II. Diagnoses of new species and notes on other spermatophytes, chiefly from Mexico and Central America. By Jesse More Greenman.

v.2:no.8(1912)

Flora of Peru.

v.13:pt.5B:no.3 (1971) [Scrophulariaceae]

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)