The Texas species of Glandularia (Verbenaceae) by Billie L. Turner

Systematic implications of DNA restriction site variation in Hymenoxys and Tetraneuris (Asteraceae, Helenieae, Gaillardiinae) by Mark Bierner & Robert K. Jansen

The Texas plant collections of Mary S. Young by Carol A. Todzia

Ocotea heribertoi (Lauraceae), a new species of rain forest canopy tree from the Isthmus of Tehuantepec, Mexico by Tom Wendt

A revision of Pomaria (Fabaceae: Caesalpinioideae) in North America by Beryl B. Simpson

A new species of Ageratina (Asteraceae: Eupatorieae) from southern Oaxaca, Mexico by José L. Panero & José L. Villaseñor

Pavonia paneroi (Malvaceae), a new species from Puebla, Mexico by Paul A. Fryxell

A revision of Thenardia (Apocynaceae, Apocynoideae) by Justin K. Williams