Austrostigmidium mastodiae
Austrostigmidium mastodiae Pérez-Ort. & Garrido-Ben., Lichenologist 47(3): 146 (2015).
Index Fungorum number: IF 811128; Facesoffungi number: FoF 09665, Fig. 1
Description: see Pérez-Ortega and Garrido-Benavent (2015).
Material examined: see Pérez-Ortega and Garrido-Benavent (2015).
Fig. 1 Austrostigmidium mastodiae (redrawn from Pérez-Ortega and Garrido-Benavent 2015). a Longitudinal section of a pseudothecium. b Immature ascus showing ocular chamber. c Mature ascus showing ascospores. d Periphyses. e Mature ascospores. f Pycnidia on Mastodia tessellate. g Longitudinal section of a pycnidium. h Conidiogenous cells. i Conidia. Scale bars: a = 25 µm, b, c, e, h, i = 5 µm, d = 10 µm, g = 20 µm,
Importance and distribution
Austrostigmidium comprises only one species and is commensalistic. Austrostigmidium interacts with its host Mastodia tessellate (Verrucariaceae) in Antarctica, but does not cause any deformations or galls in the host thallus (Hawksworth 1982).
References
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