Sceptridium multifidum (Leathery Grapefern)

''Sceptridium multifidum'' is a fern species in the Ophioglossaceae, known by the common names leathery grapefern and leathery moonwort. It is native to Europe, Asia, and North America, where it is widespread and grows in moist areas in many habitat types. This is a fleshy, leathery plant growing from a small caudex with thin, corky roots. Unlike most ferns, ''S. multifidum'' has contractile roots, which are thought to help anchor the plant in the soil. It produces a single leaf which emerges directly.. more