SBM 31
A Fifth Checklist of Tennessee Vascular Plants
Published June 30, 2009
Trees in the Life of the Maya World
Published April 23, 2007
SBM 30
Tundra to Tropics: the Floristic Plant Geography of North America
Published April 20, 2007
SBM 29
Muhlenbergia (Poaceae) de Chihuahua, México
Published January 5, 2007
SBM 27
The Genus Psychotria (Rubiaceae) in the Philppine Archipelago
Published March 30, 2007
