The Poison Ivy Site
poison ivy pictures, poison ivy facts, poison ivy poster
https://www.poison-ivy.org/
Illinois Wildflowers
Recreation, Outdoors, Wildlife, Plants - Illinois Wildflowers. Photographs, distribution maps, and detailed descriptions of many species by John Hilty.
http://www.illinoiswildflowers.info/
Wildflower Haven
Recreation, Outdoors, Wildlife, Plants - Wildflower Haven. Features photographs by Rich Olivieri plus Texas wildflower viewing routes, resources, events, forum, and reports.
http://www.wildflowerhaven.com/
Idaho Mountain Wildflowers
Recreation, Outdoors, Wildlife, Plants - Idaho Mountain Wildflowers. Guide to the wildflowers that grow in the mountains of Idaho, with descriptions and illustrations.
http://www.larkspurbooks.com/
Southwest Colorado Wildflowers
Recreation, Outdoors, Wildlife, Plants - Southwest Colorado Wildflowers. Photographs and descriptions of wildflowers of the San Juan Mountains, canyons, and semi-desert areas of Southwest Colorado.
https://www.swcoloradowildflowers.com/
Andy's Northern Ontario Wildflower home page
Recreation, Outdoors, Wildlife, Plants - Andy's Northern Ontario Wildflowers. Photographs and identification criteria for Northern Ontario wildflowers and their habitats.
http://ontariowildflower.com
Delaware Wildflowers
Pictures of Delaware wildflowers, organized by color, common name, and scientific name
https://delawarewildflowers.org/
Colin's Virtual Herbarium
Pictures of native plants from the Canadian prairie provinicies, particularly southern Saskatchewn
http://www.colinherb.com/