Phloeospora ulmi
Phloeospora ulmi (Fr.) Wallr., Fl. crypt. Germ. (Norimbergae) 2: 177 (1833).
≡ Septoria ulmi Fr. [as 'Septaria'], Novit. fl. svec. 5(cont.): 78 (1819).
Index Fungorum number: IF 146563; Facesoffungi number: FoF 11197, Fig. 1
Description: see Videira et al. (2017).
Material examined: see Videira et al. (2017).
Fig. 1 Phloeospora ulmi (CBS 613.81, re-drawn from Fig. 39 in Quaedvlieg et al. 2013). a Conidiomata bursting through host tissue. b Conidiogenous cells. c Conidia. Scale bars = 10 µm.
Importance and distribution
Phloeospora has 72 species epithets in Index Fungorum (2022), but several species have been transferred to other genera such as Allelochaeta, Ascochyta, Cercoseptoria, Cylindrosporium, Diplodia, Diplodina, Leptosphaeria, Mycosphaerella, Neocamarosporium, Neophloeospora, Phloeosporella, Pleospora, Pseudocercospora, Pseudocercosporella, Septoria, Sphaerulina, Stagonospora and Stromatoseptoria. Phloeospora has a wide distribution including Africa (Ethiopia, South Africa), Asia (Iran), Australia, Europe (England, Italy, Poland, Scotland), North America (Canada, the United States). Fresh collections of Phloeospora are needed as only one species has sequence data.
Quarantine significance
Phloeospora may be of quarantine concern as it causes disease on economically important crops such as Mulberry (Morus spp.) in Europe (Turkey) (Soylu et al. 2002).
References
Verkley GJM, Priest MJ. 2000 – Septoria and similar anamorphs of Mycosphaerella. Studies in Mycology 45, 123–128.
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