Clasificación de la Biblioteca del CongresoQK1.C9
Obras seleccionadas (10,524 en total)
- National Audubon Society Field Guide to North American Wildflowers: Eastern Region por William A. Niering
- A Field Guide to Wildflowers of Northeastern and North-central North America por Roger Tory Peterson
- National Audubon Society Field Guide to North American Wildflowers: Western Region por Richard Spellenberg
- A Field Guide to Medicinal Plants and Herbs: Of Eastern and Central North America (Peterson Field Guides) por Steven Foster