Literature Cited
- Arthur, J. C. Resultats soient. Congress internat. Bot. de Vienne. 338. 1906.
- Farlow, W. G. Notes on some species of Gymnosporangium and Chrysomyxa of the United States. Proc. Am. Acad. 322–323. 1885.
- Hartig, R. Lehrbuch D. Baumkrankheiten II Aufl. English trans, by Somerville 176–177. 1894.