Invasive Species Tracking
EDDMapS: A web-based mapping system for documenting invasive species
Plant Identification - Online Resources
Plant Identification - Print Resources
Flora of the Chicago Region, Gerould Wilhelm and Laura Rericha. (2017)
Vascular Flora of Illinois, Robert Mohlenbrock. 4th edition (2013)
Flora of the Southeastern United States. Alan S. Weakley. (2020) Download PDF of Southern Illinois Flora here.
Kane County Wild Plants and Natural Areas. Dick Young. (2007)
Newcomb's Wildflower Guide. Lawrence Newcomb. (1989)
The Sunflower Family in the Upper Midwest. Tom Antonio and Susanne Masi. (2001)
Woodland Carex of the Upper Midwest. Linda Curtis. (2006) available here.