Taxonomy and phylogeny of three species in Perichaena sensu lato (Myxomycetes = Myxogastria) from China.
Eur J Protistol
; 95: 126105, 2024 Aug.
Article
in En
| MEDLINE
| ID: mdl-38908307
ABSTRACT
After Gulielmina was erected and Ophiotheca was resurrected based on some species originally included in Perichaena (Trichiaceae, Trichiales, Myxomyxetes), some specimens from the Herbarium of Fungi of Nanjing Normal University previously identified as Perichaena species were reexamined from morphological and two-gene (nuclear 18S rDNA and elongation factor-1 alpha) phylogenetic perspectives. In this study, two new myxomycete species, Gulielmina subreticulospora and Ophiotheca dictyospora, are described. Gulielmina subreticulospora shows the following character combination branched plasmodiocarps, single peridium with circular protrusions in the inner surface, capillitium (2.4-)2.8-3.0(-3.4) µm in diameter, spores (7.4-)8.0-8.5(-9.0) µm in diameter and sub-reticulated. Ophiotheca dictyospora shows the following character combination sessile sporocarps to short plasmodiocarps, single peridium with a densely irregular network and protrusions in the inner surface, capillitium (2.7-)3.5-5.0(-7.1) µm in diameter, uneven, decorated with spines of uneven size, spores (7.7-)8.2-8.6(-9.4) µm in diameter including obviously complete cristate reticulation with serrated edges, with deep and clear grids. Both new taxa were compared with related species and their genetic isolation was statistically tested. Moreover, a comprehensive morphological description and a detailed figure plate are provided for Perichaena verrucifera, and its phylogenetic position is determined.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Phylogeny
/
Species Specificity
/
Myxomycetes
Country/Region as subject:
Asia
Language:
En
Journal:
Eur J Protistol
Journal subject:
BIOLOGIA
Year:
2024
Document type:
Article
Affiliation country:
Country of publication: