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

    Adder's Tongues

    Ophioglossum spp.
    Photo of Christmas fern leaves lying against fallen oak leaves

    Christmas Fern

    Polystichum acrostichoides
    Photo of an ebony spleenwort plant growing among moss and fallen leaves

    Ebony Spleenwort

    Asplenium platyneuron
    Photo of common scouring rush, many stems in a colony

    Horsetails (Scouring Rushes)

    Equisetum (3 spp. in Missouri)
    Photo of lowland brittle fern fronds and fiddleheads growing in woods

    Lowland Brittle Fern (Southern Fragile Fern)

    Cystopteris protrusa (formerly C. fragilis var. protrusa)
    Photo of a northern maidenhair fern

    Maidenhair Ferns

    Adiantum spp. (2 in Missouri)
    Photo of Mexican mosquito fern plants on a pond surface, surrounded by duckweed

    Mexican Mosquito Fern

    Azolla mexicana
    Photo of a rattlesnake fern growing above leaf litter in a woodland

    Rattlesnake Fern

    Botrypus virginianus (syn. Botrychium virginianum)
    Photo of a sensitive fern, vegetative leaf

    Sensitive Fern

    Onoclea sensibilis
    Photo of walking fern plants growing on a moss-covered boulder

    Walking Fern

    Asplenium rhizophyllum (syn. Camptosorus rhyzophyllus)