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

v. 37(1974)

Ferns and fern allies of Guatemala / Robert G. Stolze.

v.39(1976)

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)

Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze ; with the collaboration of Blanca León.

n.s. no.32(1993)

Family Asteraceae, part V : [tribe Inuleae] / Michael O. Dillon, Abundio Sagástegui Alva.

n.s. no.26(1991)

A systematic study of Flourensia (Asteraceae, Heliantheae) / Michael O. Dillon.

n.s. no.16(1984)

El Niño in Peru : biology and culture over 10,000 years : Papers from the VIII Annual A. Watson Armour III Spring Symposium, May 28-29, 1999, Chicago / Jonathan Haas and Michael O. Dillon, editors.

n.s. no.43(2003)

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

n.s. no.22(1989)

Flora of Peru / Alwyn H. Gentry, Dillon Michael O., and Jones Samuel B.

n.s. no.5(1980)

Flora of Peru. Michael O. Dillon.

n.s. no.11(1982)

Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze ; contributed by Alan R. Smith.

n.s. no.29(1992)

Flora of Peru. Michael O. Dillon.

n.s. no.10(1982)