Flora of Costa Rica ... by Paul C. Standley ...

v.18:pt:4(1938)

Flora of Costa Rica ... by Paul C. Standley ...

v.18:pt.3(1938)

Flora of Costa Rica ... by Paul C. Standley ...

v.18:pt.1(1937)

The forests and flora of British Honduras / by Paul C. Standley and Samuel J. Record ; in cooperation with the Conservator of Forests and the Agricultural Officer of the Colony.

v.12(1936)

Studies of American plants. by Paul C. Standley.

v.17:no.2(1937)

Flora of Costa Rica ... by Paul C. Standley ...

v.18:pt.2(1937)

The differential analysis of starches, by James B. McNair.

v.9:no.1(1930)

Studies of American plants. by Paul C. Standley.

v.17:no.3(1937)

Studies of American plants. by Paul C. Standley.

v.22:no.2(1940)

Studies of American plants. by Paul C. Standley.

v.8:no.1(1930)

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)

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

n.s. no.27(1991)

Notes on South American birds, with descriptions of new subspecies / Charles B. Cory.

v.1:no.9(1915)

Studies of American plants. by Paul C. Standley.

v.8:no.5(1931)