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*Verrucaria nigrescens Pers. 
Montgomery. Putnam, Tippecanoe. 
*Verrucaria rupestris Schrad. 
Montgomery. 
*Verrucaria sordida Fink. 
Montgomery. 
*Verrucaria viridula Ach. 
Montgomery. 
Pyrenulaceae. 
*Pyrenula cinerella (Flot.) Fink. 
Union. 
*Pyrenula leucoplaca (Wallr.) Karst. 
Parke. 
*Pyrenula nitida (Weig.) Ach. 
Parke. 
Dermatocarpaceae. 
Endocarpon miniatum Fries. 
Owen, Wayne. 
*Endocarpon pusillium Hedw. 
Franklin, Montgomery, Union. 
*Thelocarpon prasinellum Nyl. 
Union. 
Trypetheliaceae. 
*Trypethelium yvirens Tuck. 
Tippecanoe. 
PERISPORIALES. 
Erysiphaceae. 
*Prysiphe cichoracearum D. C. 
Johnson, Marshall, Monroe, Montgomery, Putnam, Tippecanoe, Union. 
*Erysiphe communis (Waalr.) Fries. 
Johnson, Marshall, Montgomery, Owen, Putnam. 
Erysiphe galeopsidis D. C. 
Fulton, Johnson, Marshall, Montgomery, Putnam. 
*Erysiphe graminis D. C. 
Johnson, Monroe, Montgomery, Putnam. 
Erysiphe horridula Ley. 
Montgomery. 
Erysiphe lamprocarpa (Wallr.) Ley. 
Montgomery. 
Erysiphe liriodendri Schw. 
Montgomery, Putnam, Wabash. 
*Erysiphe polygoni D. C. 
Monroe, Montgomery, Parke, Putnam, Tippecanoe, Union. 
