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.