Fungalpedia – Note 1794, Xeropilidium
Xeropilidium Baral & Pärtel
Index Fungorum, Facesoffungi, MycoBank, GenBank.
Classification: Chaetomellaceae, Chaetomellales, Leotiomycetidae, Leotiomycetes, Pezizomycotina, Ascomycota, Fungi
Diagnosis: Apothecia erumpent through bark in small clusters, cupulate, subsessile, gelatinous, disc semitranslucent, shining, outside greyish-brownish, white-pruinose from crystals. Ectal excipulumof t. angularis vertically oriented, thickand brown-walled. Medullary excipulum hyaline, moderately gelatinized, upper part of vertically oriented t. porrecta, lower part of t. intricata. Asci clavate, 8-spored, long-stipitate, apex rounded-truncate, inamyloid. Ascospores cylindrical, guttulate, aseptate. Paraphyses filiform, equally septate, covered with granules. Crystals on the flanks and margin and inside the fruitbody. Synanamorphs sporodochial and pycnidial, conidia cylidric-ellipsoidal, hyaline.
Ecology: parasitic or saprobic on deciduous bark.
Etymology: from Greek adjective ξερός (dry) referring to the occurrence on dry bark and the close relationship to the morphologically similar genus Pilidium.
Type species: Xeropilidium dennisii Baral, Pärtel & G. Marson.
Other accepted species: Species Fungorum – search Xeropilidium.
References
Pärtel K, Baral HO, Tamm H, Pôldmaa K. 2017 – Evidence for the polyphyly of Encoelia and Encoelioideae with reconsideration of respective families in Leotiomycetes. Fungal Diversity. 82:183–219. https://doi.org/10.1007/s13225-016-0370-0.