- Source: Phialophora asteris
Phialophora asteris is an ascomycete fungus that is a plant pathogen infecting sunflowers.
References
Further reading
Burge, M.N.; Isaac, I. (1974). "Phialophora asteris, causal agent of Aster wilt". Transactions of the British Mycological Society. 62 (2): 367–IN34. doi:10.1016/S0007-1536(74)80045-8.