The 2018 Sedge Identification Workshop was held on June 2 & June 3, at Giant City State Park & Rothrock’s prairie in Southern Illinois
Participants learned how to identify over 20 species of common sedges native in the southern Illinois region.

Carex torta
The instructor was Justin Thomas of the Institute for Botanical Training.
Justin Thomas is an eminent botanist from Missouri who is regarded by some as the modern day Merrit Lyndon Fernald. He is the co-founder and Science Director of NatureCITE (a non-academic, non-profit organization) where he researches, teaches and writes about the interrelatedness of evolution and ecology. His twenty years of field-based experience have afforded him first-hand insights into natural processes that often challenge conventions. An expert in the complicated grass genus Dichanthelium, Justin is also an accomplished connoisseur of sedges.
Some photos from the workshop:
- Instructor Justin Thomas
- Carex planispicata
- Carex bushii
- Carex hirsutella
- Carex caroliniana
- Carex bushii, Carex caroliniana, Carex hirsutella
- Carex frankii
- Carex muhlenbergii
- Carex retroflexa
- Carex festucacea
- Carex tribuloides
- Carex molesta
- Carex squarrosa
- Carex granularis
- Carex meadii
- Carex grisea vs. Carex amphibola
- Carex bicknellii
- Carex oxylepis
- Carex shortiana
- Carex hyalinolepis
- Carex lurida
- Carrex texensis
- Carex crus-corvi
- Carex jamesii