Sceptridium multifidum is a fern species in the Ophioglossaceae (Adder's tongue family), 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. It produces a single leaf which emerges directly from the ground. It is divided into a sterile and a fertile part.