Growing in a wet horse pasture.
Houghton Falls State Natural Area, SNA #638, Bayfield Co., Wisconsin
Date an estimate
Nodding Clubmoss, Staghorn Clubmoss, 过山龙 , 筋骨草, Lycopodiella cernua
Blue Club Moss, Willdenow's Spikemoss, Selaginella willdenowii
Martin's Spikemoss, Selaginella martensii
Lycopodiopsida is a class of plants often loosely grouped as the fern allies. Traditionally the group included not only the clubmosses and firmosses, but also the spikemosses (Selaginella and relatives) and the quillworts (Isoetes and relatives). However, the latter are now usually separated off into a separate class, Isoetopsida.