The discipline of devoted to the study of fungi is known as from the μύκης mykes, mushroom.
The clavicipitaceous endophytes in the genus Neotyphodium phylum Ascomycota are among the best studied.
Lichens formed a component of the early terrestrial ecosystems, and the estimated age of the oldest terrestrial lichen fossil is 415 Ma; this date roughly corresponds to the age of the oldest known fossil, a species found in the Rhynie Chert.
Sporangiospores are thin-walled, one-celled, hyaline or pale-colored, and are usually globose or ellipsoid in shape.
The familiar mushrooms and toadstools are merely the fruiting bodies of organisms that exist mainly as a threadlike mycelium in the soil.
Ecology A pin mold decomposing a peach Although often inconspicuous, fungi occur in every environment on and play very important roles in most.