Pleosporales » Didymellaceae


Paraboeremia Qian Chen & L. Cai, Stud. Mycol. 82: 183 (2015).      

           Index Fungorum number: IF 814061; Facesoffungi number: FoF 08228, 9 morphological species (Species Fungorum 2021), 9 species with molecular data.

Saprobic or pathogenic on host. Sexual morph: Ascomata pseudothecial, subglobose to pyriform, ostiolate. Asci 8-spored, bitunicate. Ascospores subcylindrical, hyaline, uniseptate, the upper cell wider than the lower cell, constricted at the septum. Asexual morph: Conidiomata pycnidial, globose to subglobose, or irregular shaped, superficial on or immersed into the agar, solitary or confluent, ostiolate, sometimes with a short neck around the ostioles. Pycnidial wall pseudoparenchymatous, 3–6-layered, outer layers pigmented. Conidiogenous cells phialidic, hyaline, smooth, globose to flask-shaped. Conidia ellipsoidal, sometimes curved, hyaline, smooth- and thin-walled, generally aseptate, guttulate, sometimes with greenish colour (adapted from Chen et al. 2015).


            Type species: Paraboeremia selaginellae (Sacc.) Q. Chen & L. Cai


            Notes: Paraboeremia was initially introduced by Chen and Cai (2015) with P. selaginellae as type species. Paraboeremia is characterized by pycnidial, globose to subglobose conidiomata, pseudoparenchymatous pycnidial wall, globose to flask-shaped conidiogenous cells, ellipsoidal, aseptate conidia. The sexual morph is characterized by subglobose to pyriform ascomata, bitunicate asci and subcylindrical, hyaline, 1-septate ascospores. Paraboeremia resembles the genus Boeremia, but can be differentiated based on DNA sequence data. Phylogenetically Paraboeremia is a distinct and well-supported genus in Didymellaceae.


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