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May 31, 2026Persoonia - Molecular Phylogeny and Evolution of Fungi

Phylogeny of Gelatinodiscaceae (Leotiomycetes) with emphasis on the taxonomy of Ascocoryne in North America

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Authors

JSJ.K. StallmanPurdue University West LafayetteLQL. QuijadaeBay (Ireland)MAM. C. AimePurdue University West Lafayette

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Implication

Randomized trial identifies new species and phylogenetic relationships in Ascocoryne and Gelatinodiscaceae, suggesting significant diversity.

Key Points

  • To clarify the phylogeny of Gelatinodiscaceae and describe new species of Ascocoryne, addressing gaps in taxonomic knowledge.
  • Examined 83 Gelatinodiscaceae collections from the midwestern United States and 61 herbarium samples.
  • Generated DNA sequence data for seven loci (18S, ITS, 28S, EF1, RPB1, RPB2, CTP).
  • Assessed morphological characteristics to delineate clades within Ascocoryne.
  • Skyathea and Xerombrophila are confirmed as members of Gelatinodiscaceae, while Clathrosporium and Phaeangellina are excluded.
  • Identified up to 37 putative undescribed species-level clades in Ascocoryne, along with four new species: A. diminutiva, A. fibrosa, A. neoinflata, and A. wilsoniae.
  • Mitochondrial tricarboxylate transport protein effectively served as an alternative DNA barcode for Ascocoryne species.

Cite This Study

Stallman et al. (2026) studied this question.

synapsesocial.com/papers/6a1bd0df5783ba022b6fc86fhttps://doi.org/10.3114/persoonia.2026.56.07
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