Genus Blechnum is a term used to describe a group of ferns that share similar characteristics and features. Synonyms for this term include the common names "hard fern" and "deer fern". The term "hard fern" is derived from the stiff and durable texture of the fronds, while "deer fern" refers to the fact that deer often feed on this species of fern. Other synonyms for Genus Blechnum include Blechnaceae, which is used to refer to the family of ferns that includes the species, and Lomaria, which is another genus of ferns that was once included in Genus Blechnum. Regardless of the terminology used, Genus Blechnum remains an interesting and important group of ferns for nature enthusiasts and scientists alike.