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Austral Hepaticae III : Stolonophora, a new genus of Geocalycaceae / John J. Engel and R. M. Schuster.

v.36:no.11(1975)

Flora Costaricensis : Family #200, Acanthaceae by L.H. Durkee, Family #201, Plantaginaceae by William Burger.

n.s. no.18(1986)

Studies in American plants, III / Dorothy N. Gibson.

v.34:no.6(1972)

Revision of the genus Cosmos, by Earl Edward Sherff...

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Flora Costaricensis / William Burger, editor.

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Flora Costaricensis / William Burger, editor.

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Flora of Peru. Michael O. Dillon.

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Revision of the genus Baltimora (Compositae, Heliantheae) [by] Tod F. Stuessy.

v.36:no.5(1973)

Rediscovery of Syagrus werdermannii Burret [by] S. F. Glassman.

v.34:no.1(1971)

Austral Hepaticae the genus Balantiopsis in New Zealand, with observations on extraterritorial taxa and a phylogeny of Balantiopsis and the family Balantiopsaceae (Jungermanniales) / John J. Engel, G.L. Smith Merrill.

n.s. no.37(1997)

Ten new species of Erythroxylum (Erythroxylaceae) from Bahia, Brazil / Timothy Plowman.

n.s. no.19(1987)

Austral Hepaticae XVIII : studies toward a revision of Telaranea subg. Neolepidozia (Lepidoziaceae) / John J. Engel, Rudolf M. Schuster.

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Flora Costaricensis / William Burger, editor.

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Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze.

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