Tuber luomae , a new spiny-spored truffle species from the Pacific Northwest, USA
Tuber luomae, a new truffle species known only from the Pacific Northwest, USA, is distinguished by spiny, nonreticulate spores and a two-layered peridium — the outermost layer (pellis) consists of inflated, globose to subpolygonal cells and the inner (subpellis) of narrow hyphae. ITS sequence analyses show that it has phylogenetic affinity to other Tuber species in the Rufum clade. The only other members of the Rufum clade with a strongly developed peridiopellis of large, inflated cells are the southern European T. malacodermum and T. pustulatum and the northern Mexican T. theleascum. We find it interesting that this peridial structure that is uncommon in the Rufum clade has been found in geographically disjunct species.
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Document Type: Research Article
Publication date: December 1, 2020
This article was made available online on June 25, 2020 as a Fast Track article with title: "Tuber luomae, a new spiny-spored truffle species from the Pacific Northwest, USA".
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