Vascular Plants of North Carolina
Account for Japanese Lady Fern - Deparia petersenii   (Kunze) M. Kato
Members of Athyriaceae:
Members of Deparia with account distribution info or public map:
Flora of SE USGoogle Images
Section 2 » Family Athyriaceae
Author(Kunze) M. Kato
DistributionReported as an escape in the southwestern mountains by K. A. Bradley (Weakley et al. 2025). There are no specimens at SERNEC (Dec. 2025), however.

Native to southeastern Asia. Introduced/naturalized in a number of Southeastern U.S. states, north to NC.
AbundancePresumed extremely rare.
Habitat"Swamp forests, wet hammocks, moist banks, disturbed areas" (Weakley et al. 2025).
PhenologyJune to October.
IdentificationSeparated from the native D. acrostichoides by the leaf blade widest at the base instead of the blade narrowed to the base in the native species. Based on photographs on Google, identification of this exotic species even by experienced biologists might well be difficult, as it looks like so many other ferns.
Taxonomic Comments
Other Common Name(s)
State RankSE
Global RankGNR
State Status
US Status
USACE-agcp
USACE-emp
County Map - click on a county to view source of record.