Keywords
pine forest
Cantharellus flavus
Cantharellus roseocanus
ectomycorrhizal fungi
How to Cite
Abstract
Abstract
Introduction. We found two new records of Cantharellus species during surveys in the pine forests of Pico de Orizaba National Park. These wild fungi have consumption, economic and sociocultural value in the Mountain Region, Veracruz, Mexico.
Objective. To identify and morphologically characterize the ectomycorrhizal Cantharellus species collected at Pico de Orizaba National Park.
Materials and methods. Fungi collection took place from June to November using systematic sampling for four years (2019–2022) in Pinus hartwegii, P. montezumae, and P. pseudostrobus forests in the municipality of Calcahualco, Veracruz. Specimens were morphologically characterized and molecularly identified using concatenated sequences of transcription elongation factor 1-alpha (tef1-α) and the internal transcribed spacer region (ITS3C and ITS4).
Results and discussion. Phylogenetic analyses based on molecular data from the main clades of Cantharellus
(125 sequences) confirmed the new records of Cantharellus roseocanus (GenBank access: OQ875962 [ITS2] and OQ876856 [tef1]) and Cantharellus flavus (GenBank access: OQ875963 [ITS2] and OQ876857 [tef1]). The morphological differences between C. roseocanus and C. flavus are notable: C. roseocanus is characterized by its convex cap and thin gills, while C. flavus has a flatter, more robust cap; additionally, differences in aroma and flavor are relevant to their culinary use.
Conclusions. The new records of C. flavus and C. roseocanus in the temperate forests of Pico de Orizaba National Park contribute to the taxonomic understanding of the genus Cantharellus, which still lacks complete elucidation.
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