Classification of Ohio Ascomycetes 
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2. Tryblidiaceae. Genera known in Ohio are Tryblidium and 
Scleroderris. 
3. Phacidiaceae. Genera known in Ohio are Phacidium, Coc- 
comyces, and Rhytisma. 
VIII. HYSTERIALES (HYSTERIINEAE) 
1. Hypodermataceae. Genera known in Ohio are Angelinia and 
Lop hod ermiii m. 
2. Dichaenaceae. The genus Dichaena is known in Ohio. Some 
of the species may be lichens. 
3. Hysteriaceae. Genera known in Ohio are Hysterium, Hystero- 
g rap Ilium, and G Ionium. 
4. Acrospermaceae. The genus Acrospermum is known in Ohio. 
5. Graphidaceae. Genera known in Ohio are Graphis and 
Opegrapha. 
6. Arthoniaceae. Genera known in Ohio are Arthonia and 
Arthothelium. 
IX. HYPOCREALES (part of the PRYENOMYCETINEAE) 
1. Hypocreaceae. Genera known in Ohio are Hypocrea, Hypo- 
crella, Hypocreopsis, Hypomyces, Melanospora, Letendraea, 
Nectria, Pleonectria, Ophionectria, Cordyceps, Claviceps, Ty- 
phodium, and Gibberella. 
X. DOTHIDIALES (part of the PYRENOMYCETINEAE) 
1. Dothidiaceae. Genera known in Ohio are Dothidea, Phylla- 
chora, and Plowrightia. 
XL SPHAERIALES (part of the PYRENOMYCETINEAE) 
1. Chaetomiaceae. The genus Chaetomium is known in Ohio. 
2. SoRDARiACEAE. Genera known in Ohio are Sordaria and 
Sporormia. 
3. Sphaeriaceae. Genera known in Ohio are Sphaeria, Lasios- 
phaeria, Trichosphaeria, Herpotrichia, Bombardia, Acanthos- 
tigma, Rosellinia, Bertia, and Zignoella. 
