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

    Adder's Tongues

    Ophioglossum spp.
    Photo of prairie showing big bluestem leaves and flowering stalks

    Big Bluestem

    Andropogon gerardii
    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 starry rosinweed flowerheads on a black background

    Starry Rosinweed

    Silphium asteriscus
    Photo of walking fern plants growing on a moss-covered boulder

    Walking Fern

    Asplenium rhizophyllum (syn. Camptosorus rhyzophyllus)