Nomenclature:

Taxonomy: Accepted in 9999-01 classification

Occurs in: 9999-01

Placement: Code > Plantae Haeckel > Pteridobiotina Britton & Brown > Polypodiophyta Cronquist, Takht. & Zimmerm. > Polypodiopsida Cronquist, Takht. & W.Zimm. > Polypodiidae Cronquist, Takht. & W.Zimm. > Polypodiales Link > Athyriaceae Alston > Pseudathyrium Newm. > Pseudathyrium alpestre (Hoppe) Newman > Pseudathyrium alpestre subsp. americanum (Butters) comb.ined.

Synonyms

Taxonomic References