Flora of Peru / by J. Francis Macbride.

v.13:pt.4:no.1 (1941) [Elatinaceae]

Flora of the Lancetilla Valley, Honduras, by Paul C. Standley.

v.10(1931)

Flora of Yucatan, by Paul C. Standley.

v.3:no.3(1930)

Revision of Oparanthus (Compositae, Heliantheae, Coreopsidinae) / Tod F. Stuessy.

v.38:no.6(1977)

A conspectus of the palm genus Butia Becc. [by] S.F. Glassman.

v.32:no.10(1970)

Flora of Guatemala / Paul C. Standley and Louis O. Williams.

v.24:pt.8:no.3(1967)

The Juglandaceae of Guatemala / Louis O. Williams and Antonio Molina R.

v.32:no.13(1970)

Flora of Guatemala / Dorothy L. Nash ; Cucurbitacae contributed by Jennie V.A. Dieterle.

v.24:pt.11:no.4(1976)

A revision of the Family Geastraceae.

v.31:no.14(1968)

Flora of Guatemala / Johnnie L. Gentry, Paul C. Standley.

v.24:pt.10:no.1-2(1974)

Preliminary notes on the Scrophulariaceae of Peru.

v.31:no.8(1967)

Flora of Guatemala / Paul C. Standley and Louis O. Williams.

v.24:pt.9:no.3-4(1973)

Flora of Guatemala / Dorothy L. Nash, Louis O. Williams ; genera contributed by Kenneth M. Becker ... [et al.].

v.24:pt.12(1976)

Revision of the genus Vascellum (Lycoperdaceae).

v.32:no.9(1970)

A taxonomic revision of the genus Cnemidaria (Cyatheaceae) / Robert G. Stolze.

v. 37(1974)