Template:Harris, 1998
- Harris, R.C. 1998. A preliminary revision of Pseudopyrenula Müll. Arg. (lichenized ascomycetes, Trypetheliaceae) with a redisposition of the names previously assigned to the genus. In Glenn, M.G., Harris, R.C., Dirig, R. & Cole, M.S. (eds.), Lichenographia Thomsoniana: North American Lichenology in Honor of John W. Thomson.: 133–148. Mycotaxon Ltd., New York.