The correct anamorph stage of Mycosphaerella eumusae is Pseudocercospora eumusae
In EPPO RS 2005/120 which described a banana leaf spot caused by a new fungal species, Mycosphaerella eumusae, it was stated that the anamorph stage was a Septoria. Dr Jones (CSL, GB) informed the EPPO Secretariat that later research (Crous & Mourichon, 2002) has shown that the anamorph was in fact a Pseudocercospora. As a consequence, it was proposed to call the disease caused by M. eumusae, eumusae leaf spot instead of Septoria leaf spot. In this paper, it is also considered that the anamorph of M. fijiensis (black Sigatoka) should be referred to as a Pseudocercospora, as Paracercospora was merged back with Pseudocercospora.
Sources
Personal communication with Dr D Jones, CSL (GB), 2005-11.
Crous PW, Mourichon X (2002) Mycosphaerella eumusae and its anamorph Pseudocercospora eumusae spp. nov.: causal agent of eumusae leaf spot disease of banana. Sydowia 44(1),35-43.