Acanthostigmina minuta
Acanthostigmina minuta (Fuckel) Clem. & Shear, Gen. fung., Edn 2 (Minneapolis): 270 (1931).
≡ Lasiosphaeria minuta Fuckel, Jb. nassau. Ver. Naturk. 23-24: 148 (1870) [1869-70].
Index Fungorum number: IF 431396; Facesoffungi number: FoF 00174, Fig. 1
Description: see Boonmee et al. (2014).
Material considered: see Boonmee et al. (2014).
Fig. 1 Acanthostigmina minuta (BPI 624355). a Ascomata on host substrate. b Vertical section of ascoma. c Peridium. d Pseudoparaphyses. e Setae f–i Asci j–n Ascospores. Scale bars: a = 200 µm, b = 100 µm, c = 40 µm, d = 10 µm, e–n = 20 µm.
Importance and distribution
There are seven epithets of Acanthostigmina in Index Fungorum (2022) but, some species have been transferred to Acanthostigma, Acanthohelicospora and Taphrophila. Lu et al. (2018) accepted two species A. minuta and A. multiseptatum. Acanthostigmina minuta is known from Fagus sylvatica (Fagaceae), while A. multiseptatum was found on unidentified hosts in the United States.
References
Boonmee S, Rossman AY, Liu JK, Li W et al. 2014 – Tubeufiales, ord. nov., integrating sexual and asexual generic names. Fungal Diversity 68, 239–298. https://doi.org/10.1007/s13225-014-0304-7
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