Photo of an Engelmann’s adder’s tongue with a black background

    Adder's Tongues

    Ophioglossum spp.
    Photo of purple cliff brake growing from a rock crevice, with a hand propping up one of the fronds

    Purple Cliff Brake

    Pellaea atropurpurea
    Photo of smooth cliff brake showing leaves and leaflets

    Smooth Cliff Brake

    Pellaea glabella
    Photo of walking fern plants growing on a moss-covered boulder

    Walking Fern

    Asplenium rhizophyllum (syn. Camptosorus rhyzophyllus)