Michigan's Worst Weeds
Summer Annuals
Common lambsquarters*
Common ragweed*
- Eastern black nightshade*
Fall panicum**
Giant foxtail*
Giant ragweed*
Jimsonweed**
Redroot pigweed, smooth pigweed*
Smartweeds (Pennsylvania smartweed and ladysthumb)*
Velvetleaf*
Wild mustard**
Winter Annuals
Perennials
Canada thistle**
Common pokeweed**
Curly dock**
Dandelion*- Hemp dogbane*
Horsenettle**
Perennial sowthistle**
Quackgrass**
Yellow nutsedge**
Biennials
Sources
* "Integrated Weed Manaegment: One Year's Seeding" (2005)
**"Integrated Weed Management: Fine Tuning the System" (2008)