References
- Anderson , P.J. 1918 . Rose canker and its control . Massachusetts Agriculture Experiment Station bulletin , 183 : 9 – 46 .
- Burge , M.N. and Isaac , I. 1974 . Phialophora asteris a causal agent of Aster wilt . Transactions of the British Mycological Society , 62 : 367 – 376 .
- Harvey , I.C. 1974 . A new wilt disease of asters . Plant disease reporter , 58 : 57 – 58 .