A chance cultivar of the Lady Fern that physically is entirely different looking.
Ferns - Hardy
part shade, bright shade to shade
Soil & Site
pinnae attached to the midrib somewhat like a string of beads, look sort of tattered
.75 to 1 foot in height and spread
Found in 1857, in Ireland, in the garden of a Mrs. Frizell.
Athyrium is for some authorities derived from Greek athuros (spiritless) with reference to botanical characteristics of lady-fern (Athyrium filix-femina), and for others from Greek anthyros (doorless) or anthoros (breeding well), both the latter in relation to the reproductive cycle and spores. (www.plantlives.com)
Notes & Reference
#144-Missouri Botanical Gardens web site (www.missouribotanicalgarden.org), #145-Plant Lives, (Sue Eland) www.plantlives.com, #168-Missouri Flora web site (www.missouriplants.com)