discomycete: any fungus that is a member of the subclass Discomycetes
ascomycete: any fungus of the class Ascomycetes (or subdivision Ascomycota) in which the spores are formed inside an ascus
basalt: the commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene