Malthomyces K.D. Hyde & P.F. Cannon, Mycol. Pap. 175: 69 (1999)

Index Fungorum number: IF 27923; MycoBank number: MB 27923; Facesoffungi number: FoF 13497; 2 morphological species (Species Fungorum 2020).

Type species – Malthomyces calamigena (Berk. & Broome) K.D. Hyde & P.F. Cannon

Notes – Malthomyces is typified by M. calamigena and currently comprises two species, including M. coimbatoricus (Species Fungorum 2020). Both these species cause tar spots on palms (Hyde & Cannon 1999) and are saprobes found in India and Sri Lanka. The asexual morph of Malthomyces is undetermined (Wijayawardene et al. 2018a).

Figure 199 – Malthomyces calamigena (Material examined – SRI LANKA, Peradeniya, on leaves of Calamus rudentum Lour. (Arecaceae), January 1868, G.H.K. Thwaites (ex-herb. M.J. Berkeley), K(M) 35077, holotype). a Leaf spots on Calamus rudentum leaf. b Stromata on host substrate. c Transverse section through stroma. d Peridium. e Paraphyses-like hyphae. f, g Asci. h-j Immature and mature ascospores. Scale bars: b = 500 μm, c = 100, e-g = 50 μm, d, h-j = 10 μm.

Species

  • Malthomyces calamigena