Nigrograna mackinnonii
Nigrograna mackinnonii (Borelli) Gruyter, Verkley & Crous, in Gruyter, Woudenberg, Aveskamp, Verkley, Groenewald & Crous, Stud. Mycol. 75: 31 (2012) [2013].
≡ Pyrenochaeta mackinnonii Borelli, Castellania 4(12): 230 (1976).
Index Fungorum number: IF 564795; Facesoffungi number: FoF 11621, Fig. 1
Description: see Gruyter et al. (2013); Jaklitsch and Voglmayr (2016).
Material considered: see Gruyter et al. (2013); Jaklitsch and Voglmayr (2016).
Fig. 1 Nigrograna spp. (a–k N. hydei MFLU 18-2073, holotype). a, b Ascomata immersed in the host substrate. c Section through ascomata. d Pseudoparaphyses. e Peridium. f, g Asci with ascospores. h–k Ascospores (l–o N. impatientis MFLU 18-2072, holotype). l Appearance of ascomata on the host substrate. m Section through ascomata. n Peridium. o Asci p–s Ascospores. Scale bars: c = 50 μm, d–k, n, o = 10 μm, m = 200 μm, p–s = 5 μm.
Importance and distribution
Nigrograna comprises eighteen species known on Acer campestre (Sapindaceae), Avicennia marina (Acanthaceae), Chromolaena odorata (Asteraceae), Hevea brasiliensis (Euphorbiaceae), in pseudostromata of Diaporthe, on twig of Tilia platyphyllos (Malvaceae), on Magnolia denudata (Magnoliaceae), Rhizophora (Rhizophoraceae), Salix caprea (Salicaceae), Thymus oenipontanus (Lamiaceae), Ulmus laevis (Ulmaceae), Virola (Myristicaceae), from human foot and hive-stored pollen. Nigrograna is known from Asia (China (Hubei), India (Tamil Nadu), Thailand), Europe (Austria, Czech Republic, Italy, Norway) and South America (Peru, Venezuela).
References
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