Dothideales » Dothideaceae


Endodothiora Petr., Annls mycol. 27(5/6): 345 (1929).

 Index Fungorum number: IF 1797; Facesoffungi number: FoF 00082, 1 morphological species (Species Fungorum 2022), no molecular data available.

Parasitic on Dothidea puccinioides. Sexual morph: Ascostromata black, immersed, becoming erumpent, solitary or gregarious, subglobose to broadly ellipsoid, coriaceous, multiloculate, with 2–5 locules, cells of ascostromata composed of dark brown to black cells of textura angularis. Locules globose to subglobose, without ostioles. Peridium of locules thin-walled, composed of light brown to hyaline cells of textura angularis. Asci bitunicate, cylindrical to broadly cylindrical with a short pedicel, rounded at the apex. Ascospores overlapping, crowded, hyaline, oblong, 5–7 septate, constricted at the primary septum, smooth walled. Asexual morph: Unknown (adapted from Thambugala et al. 2014).


Type species: Endodothiora sydowiana Petr.


Notes: Endodothiora is characterised by black, immersed ascostromata, globose to subglobose locules, bitunicate, cylindrical to broadly cylindrical asci, crowded, hyaline, oblong, 5–7-septate ascospores. Endodothiora resembles Sydowia in having polyspored asci and multiseptate hyaline ascospores but differs in having immersed ascostromata and a parasitic lifestyle (Barr 2001). Luttrell (1973) placed Endodothiora in Dothioraceae based on its parasitic lifestyle and immersed ascostromata. Thambugala et al. (2014) re-examined the type specimen E. populi and confirmed the parasitic lifestyle of the former fungus on Dothidea puccinioides. Endodothiora is currently a distinct genus in Dothideaceae but molecular data is needed to confirm this taxonomic placement.


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