1) Lichen 
Basidiolichens are lichenized members of the Basidiomycota, a much smaller group of lichens than the far more common ascolichens in the Ascomycota. In arctic, alpine, and temperate forests, the most common basidiolichens are in the agaric genus Lichenomphalia (including former members of Omphalina or Gerronema) and the clavarioid genus Multiclavul...
[n] - a lichen in which the fungus component is a basidiomycete
noun a lichen in which the fungus component is a basidiomycete