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Tuber luomae, a new spiny-spored truffle species from the Pacific Northwest, USA.


ABSTRACT: Tuber luomae, a new truffle species known only from the Pacific Northwest, USA, is distinguished by spiny, non-reticulate 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.

SUBMITTER: Eberhart J 

PROVIDER: S-EPMC7451770 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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<i>Tuber luomae</i>, a new spiny-spored truffle species from the Pacific Northwest, USA.

Eberhart J J   Trappe J J   Páez C Piña CP   Bonito G G  

Fungal systematics and evolution 20200625


<i>Tuber luomae,</i> a new truffle species known only from the Pacific Northwest, USA, is distinguished by spiny, non-reticulate 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 <i>Tuber</i> species in the Rufum clade. The only other members of the Rufum clade with a strongly developed peridiopellis of large, inflate  ...[more]

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