asplenium fontanum

Asplenium fontanum, commonly known as fountain spleenwort or smooth rock spleenwort, is a species of fern in the family Aspleniaceae, native to rocky areas in Western Europe.

Asplenium fontanum is a rhizomatous fern with fronds up to 20 cm (8 in) long grouped in bundles. The rhizomes are clad in dark brown scales. The fronds are born on stems that may be as long as the blades. These are pinnate, with eight to twenty toothed pinnules up to 4 cm (1.6 in) long on each side, the longest being in the ...