Asplenium adiantum-nigrum
Black Speenwort
Asplenium ceterach
Rusty-back Fern
Asplenium marinum
Asplenium marinum
Asplenium obovatum
ssp. lanceolatum
ssp. lanceolatum
Lanceolate Spleenwort
A guide to ferns, horsetails, clubmosses and quillworts