Cyclosorus

Cyclosorus is a genus of four species of ferns. in the family Thelypteridaceae; Cyclosorus interruptus, Cyclosorus lenormandii, Cyclosorus sandwicensis, and Cyclosorus striatus. There has been much taxonomic debate with this group. Zipcode Zoo quotes 448 species in this genus while Tropicos gives 470 names, including Cyclosorus elegans. There are also fossil species known from the Eocene of South China and the Quaternary of Australia. The genus is named from the Greek, referring to the circular sori.