fungus family - includes lichen familiesfamily - (biology) a taxonomic group containing one or more genera; "sharks belong to the fish family" family Tuberaceae, Tuberaceae - family of fungi whose ascocarps resemble tubers and vary in size from that of an acorn to that of a large apple family Usneaceae, Usneaceae - fruticose lichens having prostrate or erect or pendulous thalli: genera Usnea; Evernia; Ramalina; Alectoria |