Ellis, J. B.; Everhart, Benjamin M. (1885). "North American Species of Ramularia: With Descriptions of the Species". The Journal of Mycology. 1 (6): 73–83. doi:10.2307/3752441. JSTOR3752441.
jstor.org
Ellis, J. B.; Everhart, Benjamin M. (1885). "North American Species of Ramularia: With Descriptions of the Species". The Journal of Mycology. 1 (6): 73–83. doi:10.2307/3752441. JSTOR3752441.