Hart’s tongue fern, Asplenium scolopendrium, makes a beautiful specimen with light green undissected foliage that looks like tongues.

Asplenium scolopendrium 'Cristatum' makes a beautiful specimen with shiny, evergreen, tongue-like fronds with a crested tip.

Asplenium trichomanes is a darling native fern that is incredibly tough with pure black stipes and bright green fronds.