Genus Psilotum is a fern genus that belongs to the Psilotaceae family. Some of the common synonyms for Genus Psilotum include Psilotum nudum, Psilotum complanatum, Psilotum triquetrum, and Psilotum prionophyllum. These synonyms are all alternative names that have been given to this genus over time due to changes in nomenclature and revisions to the taxonomical classification of plants. The species within the Genus Psilotum are unique in their morphology and can be found all over the world in tropical and subtropical regions. Despite the various synonyms, the Genus Psilotum remains an important group of plants that is studied by botanists and horticulturists around the world.