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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 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 and and the northern Mexican . 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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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7451770 | PMC |
| http://dx.doi.org/10.3114/fuse.2020.06.15 | DOI Listing |
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