Weed Identification - Marion County
Weed (and Plant) Identification
General Weed Identification
Photo Gallery of Weeds (Weed Science Society of America)
New Jersey Weed Gallery (Rutgers, The State University of New Jersey)
Weeds of the North Central States (University of Illinois)
Weed Identification (University of Illinois C-FAR)
Weed Identification Guide (Virginia Tech)
Weed Herbarium (University of Massachusetts)
Weed Photo Gallery (Kansas Department of Agriculture)
Weed Photo Gallery (University of California)
Weed Identification Resources (Iowa State University)
Turfgrass Weed Identification
Turf Weed Identification (Purdue University)
Midwestern Turfgrass Weed Identification and Control (University of Illinois)
MSU Turf Weeds.net (Michigan State University)
Common Turf Weeds (University of Kentucky)
North Central Weed Listing (WeedAlert.Com)
Mushroom Identification
Puffballs (Purdue University)
Wild Mushrooms (Ohio State University)
Tom Volk's Fungi (University of Wisconsin-La Crosse)
Mushroom Guide (Mendocino Coast Botanical Gardens, CA)
Mushroom Toxicology (North American Mycological Association)
Other Plant/Weed Identification Websites
Purdue Forage Plant Identification
Weed Science and Botany Slide Sets (Purdue University)
Plant Image Gallery (Noble Foundation)
Noxious Weeds and Weed Laws
Noxious and Invasive Weeds and The Weed Laws in Indiana (Purdue University)
