Flora of West Virginia, by Charles Frederick Millspaugh and Lawrence William Nuttall.

v.1:no.2(1896)

The Rubiaceae of Bolivia, by Paul C. Standley.

v.7:no.3(1931)

Flora of Guatemala : part II: grasses of Guatemala / Jason R. Swallen ; Bamboos / F.A. McClure.

v.24:pt.2(1955)

A contribution to the flora of Honduras, by T. G. Yuncker.

v.17:no.4(1938)

The Rubiaceae of Venezuela, by Paul C. Standley.

v.7:no.4:index(1931)

Plantae Utowanae. Plants collected in Bermuda, Porto Rico, St. Thomas, Culebras, Santo Domingo, Jamaica, Cuba, The Caymans, Cozumel, Yucatan and the Alacran shoals. Dec. 1898-Mar. 1899. The Antillean cruise of the yacht Utowana. Mr. Allison V. Armour, owner and master.

v.2:no.1(1900)

Flora of Peru / by J. Francis Macbride.

v.13:pt.3:no.3 (1950) [Malpighiaceae]

Contribution [I]-III to the coastal and plain flora of Yucatan, by Charles Frederick Millspaugh.

v.1:no.1(1895)

Flora of Peru / by J. Francis Macbride.

v.13:pt.5C:no.1 (1961) [Bigoniaceae]

Studies of American plants. by Paul C. Standley.

v.8:no.1(1930)

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

v.19:pt.1(1938)

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

v.9:no.5(1940)

Studies of American plants. by Paul C. Standley.

v.11:no.5(1936)

Studies of American plants. by Paul C. Standley.

v.22:no.1(1940)

The Rubiaceae of Venezuela, by Paul C. Standley.

v.7:no.4(1931)