Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze ; with the collaboration of John T. Mickel, Robbin C. Moran.

n.s. no.27(1991)

Ferns and fern allies of Guatemala. Robert G. Stolze ; the genus Elaphoglossum by: John T. Mickel ; the genus Thelypteris by: Alan R. Smith.

n.s. no.6(1981)

Austral Hepaticae 32 : a revision of the genus Lepidozia (Hepaticae) for New Zealand / John J. Engel, Rudolf M. Schuster.

n.s. no.42(2001)

Flora Costaricensis / William Burger, editor.

n.s. no.33(1993)

A monograph of Clasmatocolea (Hepaticae) / John J. Engel.

n.s. no.3(1980)

Notes on the genus Hygrolembidium (Hepaticae) [by] John J. Engel.

v.36:no.7(1974)

Two new birds from Peru, by John T. Zimmer ... Reports on results of the Captain Marshall Field expeditions ...

v.12:no.8(1925)

Austral Hepaticae. with a monograph of the genus in temperate Australasia and commentary on extra-Australasian taxa / John J. Engel, G.L. Smith Merrill.

n.s. no.44(2004)

Flora Costaricensis / William Burger, editor.

n.s. no.23(1990)

Catalogue of a collection of birds from Costa Rica, by John Farwell Ferry.

v.1:no.6(1910)

Flora Costaricensis. William Burger, editor. Family #40, Casuarinaceae, Family #41, PIperaceae [by] William Burger.

v.35(1971)

Flora Costaricensis / William Burger, editor.

n.s. no.13(1983)

Flora costaricensis / William Burger, editor.

n.s. no.41(2000)

Useful plants of the Siona and Secoya Indians of eastern Ecuador / William T. Vickers, Timothy Plowman.

n.s. no.15(1984)

Falkland Islands (Islas Malvinas) Hepaticae and Anthocerotophyta : a taxonomic and phytogeographic study / John J. Engel.

n.s. no.25(1990)