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 smooth cliff brake showing leaves and leaflets

    Smooth Cliff Brake

    Pellaea glabella
    Photo of many blooming ashy sunflower plants, showing gray-green leaves.

    Sunflowers

    Helianthus spp.
    White upland aster goldenrod inflorescence in a prairie

    Upland White Goldenrod

    Solidago ptermicoides (formerly Aster ptarmicoides)
    Photo of walking fern plants growing on a moss-covered boulder

    Walking Fern

    Asplenium rhizophyllum (syn. Camptosorus rhyzophyllus)