Trees of North AmericaTrees of North America, BookThe Complete Identification Reference to Trees- With Full-color Photographs Displaying Leaf Shape, Bark, Flowers, and Fruit; Updated Range Maps; and Conservation Status
Mushrooms of North AmericaMushrooms of North America, BookThe Complete Identification Reference to Mushrooms--with Full-color Photographs; Detailed Descriptions of Cup, Stem, Flesh, and Spore Print; and Authorative Notes on Growth Characteristics Habitat, and Conservation Status
Wildflowers of North AmericaWildflowers of North America, BookThe Complete Identification Reference to Wildflowers--with Full-color Photographs; Updated Range Maps; Common Names; and Authorative Notes on Flowering Season, Usages, Scent, Habitat, and Conservation Status