Lücking, R./ E. Rivas-Plata/ K. Kalb/ R. S. Common/ A. Barcenas-Peña/ M. V. Duya 2011: Halegrapha (Ascomycota: Graphidaceae), an enigmatic new genus of tropical lichenized fungi dedicated to Mason E. Hale Jr.. - The Lichenologist 43(4): 331-343. [RLL List # 224 / Rec.# 33155]
Abstract: The new genus Halegrapha is introduced, with six species (five new species and one new combination) from Australia, the Philippines, Malaysia, Kenya, Mexico, and the United States: H. chimaera Rivas Plata & Lücking (type species; Philippines), H. floridana Common & Lücking (United States: Florida), H. intergrapha Hale ex Lücking (Malaysia), H. kenyana Kalb & Lücking (Kenya), H. mexicana A. B. Peña & Lücking (Mexico), and H. mucronata (Stirt.) Lücking (Australia). The genus resembles Graphis morphologically in the strongly carbonized, black lirellae and white-grey thallus strongly encrusted with calcium oxalate crystals, but has a Phaeographis-type hymenium (clear in two species) and ascospores, making it a 'chimera' between the two genera. Molecular data suggest the genus to be closely related to Phaeographis and allies but genetically distinct from any of the genera currently recognized, including Platygramme.
Notes: New species: H. chimaera Rivas Plata & Lücking (type species), H. floridana Common & Lücking, H. intergrapha Hale ex Lücking, H. kenyana Kalb & Lücking, H. mexicana A. B. Peña & Lücking; new combination: H. mucronata (Stirt.) Lücking
URL: http://dx.doi.org/10.1017/S0024282911000302
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Current date: 2024.05.21.OK