| TITLE (opens new window) | DESCRIPTION |
| Floristic Ratings |
Wetland Indicator = OBL |
| WIS DNR-Bureau of Endangered Resources |
Detailed information on Wisconsin invasive species including decription, habitats, control methods |
| Wisconsin Natural Resources Magazine |
Information and Photos |
| Invasive And Exotic Species of North America |
Descriptions, management issues, warnings, photos, etc. |
| USDA Plants Database |
Federal Distribution and detailed information including photos |
| University of Wisconsin - Green Bay: Invasive Plants |
Photos, descriptions, information |
| University of Wisconsin - Green Bay: Wetland Plants |
Photos, descriptions, information |
| USGS - Northern Prairie Wildlife Research Center |
Wetland Plants and Plant Communities of Minnesota and Wisconsin |
| Dan Tenaglia's The Missouri Flora |
Fabulous photographs; detailed descriptions; color and leave arrangement key. |
| David G. Smith's "Delaware Wilflowers" |
Beautiful photographs; descriptions |
| Illinois Wildflowers |
Wonderful photographs; detailed descriptions; color and leaf arrangement key |
| Weeds Gone Wild: Alien Plant Invaders of Natural Areas |
Descriptions, photos, management help, etc. |
| Great Lakes Indian Fish & Wildlife Center: Exotic Plant Information Center |
Invasive Species Descriptions and information |
| Southwest School of Botanical Medicine |
Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada" |