Cylindrocladium is a genus of fungi belonging to the family Cylindrocladiaceae. These fungi are primarily known for their role as plant pathogens, affecting various species of plants, particularly in the tropical and subtropical regions. They can cause diseases that lead to significant agricultural losses. The most notable species within this genus is Cylindrocladium scoparium, which is known to infect a range of host plants, including ornamental and forest species. Management of these pathogens often involves cultural practices and the use of resistant plant varieties to minimize their impact on crops.