Forked spleenwort (asplenium septentrionale) - William Ca... 1913
Black-Maidenhair Spleenwork (Polypodiacea Acotyledon No.... 1904
Harts tongue fern (phyllitis scolopendrium) - William Cat... 1905
Green Spleenwork (Polypodiacea Acotyledon) - William Catt... 1893