Name:		Dryopteris tetragona Urban
Accepted name:		Thelypteris tetragona (Sw.) Small
Status:		Species
Taxonomic position:		Dryopteris Adans. [Genus] Aspleniaceae Mett. ex Frank [Family] Filicopsida [Class] Plantae [Kingdom]
Constituent taxa:		Subspecific taxa Dryopteris tetragona var. guadelupensis
Links:		Electronic Plant Information Centre [Royal Botanic Gardens, Kew] Genbank Google images IMI [CABI Fungus Dried Reference Collection] International Plant Names Index New York Botanic Garden [Virtual Herbarium] USDA Plants Database [Natural Resources Conservation Service]