Abstract
We report here the first wild locality of <em>Exobasidium rhododendri</em> (Fuckel) C. E. Cramer in Poland. This peculiar species is an obligatory pathogenic basidiomycete, which induces formation of galls on leaves of <em>Rhododendron</em>. It was found for the first time in Poland in 2017 on <em>Rhododendron ferrugineum</em> L. plants in a population of this shrub in the Karkonosze Mts (the Sudetes range). The species was recently shown to be native and a relict. We also present a basic description of the species based on the specimens from the abovementioned locality.
Highlights
Exobasidium is a genus of Basidiomycota belonging to the class Exobasidiomycetes, which includes obligatory pathogens of plants from the family Ericaceae and order Theales
Exobasidium species parasitizing Ericaceae include two distinct clades evolutionarily linked with their plant host groups: the genus Rhododendron (Ericoideae) and members of the subfamily Vaccinioideae [1]
E. rhododendri is commonly found throughout the distribution ranges of its plant hosts
Summary
Exobasidium is a genus of Basidiomycota belonging to the class Exobasidiomycetes, which includes obligatory pathogens of plants from the family Ericaceae and order Theales. Keywords Basidiomycota; distribution; fungal pathogens; Rhododendron ferrugineum Exobasidium species parasitizing Ericaceae include two distinct clades evolutionarily linked with their plant host groups: the genus Rhododendron (Ericoideae) and members of the subfamily Vaccinioideae [1].
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