References
- Etheridge, D. E. Private communication.
- Leakey, C. L. A. Private communication.
- Berbee, J. G. (1963). Development of Fusarium canker of Black Poplars. Abstr. in Forestry Abstracts 24 (2), (2321).
- Dochinger, L. S. and Seliskar, C. E. (1962). Fusarium Canker found on Yellow Poplar. J. of Forestry 60 (5), 331–3.