Cyclosorus
Encyclopedia
Cyclosorus is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of 3 species of fern
Fern
A fern is any one of a group of about 12,000 species of plants belonging to the botanical group known as Pteridophyta. Unlike mosses, they have xylem and phloem . They have stems, leaves, and roots like other vascular plants...

s. in the Marsh Fern Family
Thelypteridaceae
Thelypteridaceae is a family of about 900 species of ferns.The ferns are terrestrial, with the exception of a few which are lithophytes . The bulk of the species are tropical, although there are a number of temperate species....

; Cyclosorus interruptus
Cyclosorus interruptus
Cyclosorus interruptus is a fern in the Marsh Fern family. With a broad distribution in Australia, India, China, Malaysia, Sri Lanka, New Zealand, Hawaii and other islands in the Pacific Ocean...

, Cyclosorus lenormandii and Cyclosorus striatus.

There has been much taxonomic debate with this group. Zipcode Zoo quotes 448 species in this genus. The genus is named from the Greek, referring to the circular sori
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