Volume 13, Issue 2 (1992)This issue of Volume 13 was published 24th January, 1992.
Endemism in the Vascular Flora of the Juan Fernandez Islands
Tod F. Stuessy, Clodomiro Marticorena, Roberto Rodriguez R., Daniel J. Crawford, and Mario Silva O.
An Updated Phylogenetic Classification of the Flowering Plants
Robert F. Thorne