Hapalocystis Auersw., Fungi rhenaniexsic., fasc. 6: no. 585 (1863)
Index Fungorum number: IF2222; 7 morphological species (Species Fungorum 2020), 3 species with sequence data.
Type species – Hapalocystis berkeleyi Auersw.
Notes – Hapalocystis was established to accommodate Sphaeria hapalocystis and Sphaeria inquinans var. ulmi as Hapalocystis berkeleyi and H. bicaudata respectively (Fuckel 1863). Clements & Shear (1931) designated H. berkeleyi as the type species. The asexual morph of Hapalocystis was reported as a phoma-like asexual morph for H. berkeleyi from culture (Glawe 1985, Liu et al. 2015).
Figure – Hapalocystis berkeleyi (Material examined – GERMANY, Rhineland, Hattenheim (near), Gruenau, L. Fuckel (Fungi rhenani exs. 585; ex herb. C.E. Brome), isotype, K (M) 195743; ITALY, Province of Forlı`-Cesena, Modigliana, Montebello, on branch of Platanus hybrid, 14 April 2013, E. Camporesi, MFLU 14–0798). a Conidiomata on MEA. b Conidiophores, conidiogenous cells and conidia. c Conidia. Scale bars: a = 500 μm, b = 10 μm, c = 5 μm.