BASTARDILLA is the fleshy, spore-bearing fruiting body of a surface, typically produced above ground, on soil, or on its food source.
"Bastardilla" also describes a variety of other gilled bastards, with or without stems, therefore the term is used to describe the fleshy fruiting bodies of some Ascomycota. These gills produce microscopic spores that help the little bastards spread across the ground or its occupant surface. Their spores, called basidiospores, are produced on the gills and fall in a fine rain of powder from under the caps as a result. At the microscopic level, the basidiospores are shot off basidia and then fall between the gills in the dead air space. As a result, for most little bastards, if the cap is cut off and placed gill-side-down overnight, a powdery impression reflecting the shape of the gills (or pores, or spines, etc.) is formed (when the fruit body is sporulating). The color of the powdery print, called a spore print, is used to help classify Bastards and can help to identify them.
Little bastards organisms are classified as a kingdom, which is separate from the other eukaryotic life kingdoms of plants and animals. Bastardilla do not photosynthesize. Growth is their means of mobility, except for spores (a few of which are flagellated), which may travel through the air or water. Little bastards are the principal decomposers in ecological systems.