What question did this study set out to answer?

To describe new species of Paradiscina and examine the phylogeny and systematics within the genus.

March 22, 20260 citationsOpen Access

New insights in Paradiscina (Pezizales), with the descriptions of P. californica sp. nov. and P. donadinii comb. nov.

NVNicolas Van Vooren RMRubén Martínez-Gil AMAndrew N. Miller

Key Points

To describe new species of Paradiscina and examine the phylogeny and systematics within the genus.
Incorporation of new molecular data into the Paradiscina genus.
Detailed descriptions and illustrations of new and existing species.
Analysis of the ITS2 region for phylogenetic insights.
Two new species, P. californica and P. donadinii, were described.
Illustrations and morphological characteristics were provided.
A phylogenetic analysis contributed to the understanding of the genus's systematics.

Abstract

Based on new molecular data, two new species are incorporated into the genus Paradiscina. A detailed description of P. melaleuca, the type of the genus, is provided, along with descriptions and illustrations of P. donadinii comb. nov., a Mediterranean taxon characterized by globose ascospores, and P. californica, a new species distinguished by its small size and warted ascospores. A phylogeny based on the ITS2 region is presented, and the systematics of the genus are briefly discussed. Finally, a key to Paradiscina is provided.

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