Asplenium adiantum-nigrum
Black Spleenwort
Tufted leaves from 10 to 30 cm tall, glossy dark green
Blade triangular
Stem brown at base
Sori linear
ASPLENIACEAE
genus Asplenium
Growth in spring, fructification in summer, evergreen leaves
Boulder crevices, sometimes cool wooded slopes, up to 1000 m in elevation
Not common on the Vercors plateau : St Julien-en-Vercors.
More common on the foothills : Ste Eulalie-en-Royans