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Two new Russula species (fungi) from dry dipterocarp forest in Thailand suggest niche specialization to this habitat type
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Document Title
Two new Russula species (fungi) from dry dipterocarp forest in Thailand suggest niche specialization to this habitat type
Author
Wisitrassameewong K, Manz C, Hampe F, Looney BP, Boonpratuang T, Verbeken A, Thummarukcharoen T, Apichitnaranon T, Pobkwamsuk M, Cabon M, Adamcik S
Name from Authors Collection
Scopus Author ID
57189992277
Affiliations
National Science & Technology Development Agency - Thailand; Goethe University Frankfurt; Clark University; Ghent University; Slovak Academy of Sciences
Type
Article
Source Title
SCIENTIFIC REPORTS
Year
2022
Volume
12
Issue
1
Open Access
Green Submitted, gold, Green Published
Publisher
NATURE PORTFOLIO
DOI
10.1038/s41598-022-06836-x
Format
Abstract
Dry dipterocarp forests are among the most common habitat types in Thailand. Russulaceae are known as common ectomycorrhizal symbionts of Dipterocarpaceae trees in this type of habitat. The present study aims to identify collections of Russula subsection Amoeninae Buyck from dry dipterocarp forests in Thailand. A multi-locus phylogenetic analysis placed Thai Amoeninae collections in two novel lineages, and they are described here as R. bellissima sp. nov. and R. luteonana sp. nov. The closest identified relatives of both species were sequestrate species suggesting that they may belong to drought-adapted lineages. An analysis of publicly available ITS sequences in R. subsect. Amoeninae did not confirm evidence of any of the new species occurring in other Asian regions, indicating that dry dipterocarp forests might harbor a novel community of ectomycorrhizal fungi. Macromorphological characters are variable and are not totally reliable for distinguishing the new species from other previously described Asian Amoeninae species. Both new species are defined by a combination of differentiated micromorphological characteristics in spore ornamentation, hymenial cystidia and hyphal terminations in the pileipellis. The new Amoeninae species may correspond to some Russula species collected for consumption in Thailand, and the detailed description of the new species can be used for better identification of edible species and food safety in the region.
Funding Sponsor
DAAD [57561196]; German Federal Ministry for Education and Research [01DG20015FunTrAf]; National Science Foundation [DEB-1456588]; Bijzonder Onderzoeksfonds Gent University; Slovak Research and Development Agency [APVV-20-0257]
Publication Source
WOS