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28 April 2020 A lichenized family yields another renegade lineage: Papilionovela albothallina is the first non-lichenized, saprobic member of Graphidaceae subfam. Graphidoideae
Marcela Eugenia da Silva Cáceres, Robert Lücking, Felix Schumm, André Aptroot
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Abstract

The non-lichenized, monospecific genus Papilionovela Aptroot, originally described from rain forest in Papua New Guinea, is reported here from several locations in Caatinga vegetation in Sergipe, Brazil. Phylogenetic analysis of the nuLSU marker within a three-locus phylogeny, as well as separate analysis of the fungal ITS barcoding marker, place Papilionovela in the Graphidaceae, subfamily Graphidoideae, with strong support. Within that subfamily, the genus clusters within tribe Wirthiotremateae, close to the Acanthothecis peplophora group and Carbacanthographis, albeit without support. We also reanalyzed the phylogenetic placement of two other, non-lichenized fungi previously associated with Graphidaceae, namely Furcaspora eucalypti and Rubikia evansii, and found them to form a separate, early diverging lineage in the family, here formally described as a new subfamily, Rubikioideae. Papilionovela is thus the first non-lichenized, saprobic lineage within the core Graphidaceae (subfamily Graphidoideae), providing a further independent, unequivocal case of delichenization within the order Ostropales.

Copyright ©2020 by The American Bryological and Lichenological Society, Inc.
Marcela Eugenia da Silva Cáceres, Robert Lücking, Felix Schumm, and André Aptroot "A lichenized family yields another renegade lineage: Papilionovela albothallina is the first non-lichenized, saprobic member of Graphidaceae subfam. Graphidoideae," The Bryologist 123(2), 144-154, (28 April 2020). https://doi.org/10.1639/0007-2745-123.2.144
Received: 1 July 2019; Accepted: 29 February 2020; Published: 28 April 2020
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