Thelypteris palustris var. pubescens (Marsh fern)

Thelypteris palustris Schott var. pubescens (G. Lawson) Fernald

Dryopteris thelypteris auct. non (L.) Sw.

Dryopteris thelypteris (L.) Sw. var. haleana (Fernald) Broun & Weath.

Dryopteris thelypteris (L.) Sw. var. pubescens (G. Lawson) A.R. Prince ex Weath.

Thelypteris confluens (Thunb.) Morton var. pubescens (G. Lawson) Pringle

Thelypteris palustris Schott var. haleana Fernald

Marsh fern

Kingdom	Plantae	Plants, but not fungi, lichens, or algae
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Pteridophyta	Ferns
Class	Filicopsida	“Leptosporangiate” (has to do with how their spores form) ferns—includes most ferns
Order	Polypodiales	Polypod ferns
Family	Thelypteridaceae	A family of about 900 species, most of which are tropical, and most of which grow on rocks
Genus	Thelypteris	From the Greek thelys, “female,” and pteris, “fern”
Species	palustris	Growing in marshes
var.	pubescens	With soft, downy hair