Pleosporales » Dacampiaceae » Aaosphaeria

Aaosphaeria arxii

Aaosphaeria arxii (Aa) Aptroot, Nova Hedwigia 60(3-4): 329 (1995).

            Didymosphaeria arxii Aa, Stud. Mycol. 31: 20 (1989).

Index Fungorum number: IF 412366; Facesoffungi number: FoF 09654 , Fig. 1

Description: see Van der Aa (1989).

Material examined:  see Van der Aa (1989).



Fig. 1. Aaosphaeria arxii (Van der Aa 6706, holotype; redrawn from Van der Aa 1989). a Ascoma. b Cross section and detail of wall. c Ascus. d Ascospores. e Ostiole. f−i Asexual morph; f Ostiole of pycnidium. g Pycnidia, cross sections. h Pycnidial wall and conidiogenous cells. i Conidia. Scale bars: b, d = 10 µm, c, g = 50 µm, h = 5 µm.


Importance and distribution

Aaosphaeria comprises only one species known from soil of a corn field in South America (Colombia).




Aptroot A. 1995 – Redisposition of some species excluded from Didymosphaeria (Ascomycotina). Nova Hedwig 60, 325–379.

Hongsanan S, Hyde KD, Phookamsak R, Wanasinghe DN et al. 2020a – Refined families of Dothideomycetes: Dothideomycetidae and Pleosporomycetidae. Mycosphere 11, 1553–2107.

Hyde KD, Jones EBG, Liu JK, Ariyawansa H et al. 2013 – Families of Dothideomycetes. Fungal Diversity 63, 1–313.

Lumbsch HT, Huhndorf SM. 2007 – Outline of ascomycota–2007. Myconet 13, 1–58.

Van der Aa, HA. 1989 – Polycoccum peltigerae and Didymosphaeria arxii sp. nov. and their anamorphs. Studies in Mycology 31, 15–22.

Vu D, Groenewald M, de Vries M, Gehrmann T et al. 2019 – Large-scale generation and analysis of filamentous fungal DNA barcodes boosts coverage for kingdom fungi and reveals thresholds for fungal species and higher taxon delimitation. Studies in Mycology 92, 135–154.


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