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 a rattlesnake fern growing above leaf litter in a woodland

    Rattlesnake Fern

    Botrypus virginianus (syn. Botrychium virginianum)