Sites web
The New York Botanical Garden: Index Herbariorium
United States National Herbarium Collection
Arizona State University Vascular Plant Herbarium
University of Arizona Herbarium
University of Florida Herbarium
Fairchild Tropical Garden Virtual Herbarium
The Harvard University Herbaria
University and Jepson Herbaria
University of California at Davis Herbarium
University of Michigan Herbarium
Northern Prairie Herbarium
Rocky Mountain Herbarium
California State Univeristy Stanislaus Herbarium
Carl W. Sharsmith Herbarium – San José State University
Texas A & M University Herbarium
Purdue University Herbaria (Texas)
Botanical Research Institute of Texas
The Tracy Herbarium (Texas)
Oregon State University Herbarium
The Marion Ownbey Herbarium (Washington State University)
Range Science Herbarium (New Mexico State University)
Southern Illinois University Herbarium
Centre de recherches de l’Est sur les céréales et oléagineux (Ottawa, Canada)
BELL Herbarium (University of Manitoba)
Pacific Forestry Centre’s Forest Pathology Herbarium (Victoria, Canada)
Herbier Louis-Marie (Université Laval)
Wisconsin State Herbarium
Vascular Plant Image Gallery (Texas A & M University)
Stein’s Virtual Herbarium
The Weed Science Society of America
Wildflowers of Western Kentucky
Floristique et biologie végétale:
Species 2000. Indexing the world’s known species
PLANTS National Database (USDA)
Conifers of North America
Hardwoods of North America
Poisonous plants
Centre for Plant Biodiversity Research
PasseportSanté.net: propriétés médicinales
Dictionnaire mondial des arbres (Université Laval)
Fleurbec
Organismes à but non lucratifs
Société de biologie de Montréal
Cercle des mycologues de Montréal
Sites web des membres
Marie-Hélène Fraser : photographie flore, peinture flore
François Gros d’Aillon : description flore, photographie flore
Martine Lapointe : photographie flore, paysage floraux
Magellan Larochelle: photographie flore, vivaces
Claude Pilon : Entomologie
Réal Sarrazin: photographie flore.