El Aprendizaje De Las Plantas
Ramirez, German Zuluaga
National Audubon Society Trees of North America
National Audubon Society
Botanica Y Botanicos En Guinea Ecuatorial
Aedo, Carlos; et al
Dictionary of Plant Names
Coombs, Allen J.
Wake Robin
Burroughs
Flowering Plants of West Africa
Steentoft, Margaret
Wildflowers of Nevada and Placer Counties, California
Redbud Chapter of the California Native Plant Society
Flowering Trees of the Caribbean
Pertchik, Harriet, Bernard Pertchik
Field Guide to the Palms of the Americas
Henderson, Andrew, Gloria Galeano, & Rodrigo Bernal
Spring Flora of Minnesota: Including Common Cultivated Plants
Morley, Thomas
The Woodbook: The Complete Plates
Hough, Romeyn Beck
A Field Guide to the Families and Genera of Woody Plants of Northwest South America
Gentry, Alwyn H.