Ophioderma pendulum

Old-world adder's tongue
Scientific classification
Kingdom:	Plantae
Division:	Pteridophyta
Class:	Psilotopsida
Order:	Ophioglossales
Family:	Ophioglossaceae
Genus:	Ophioderma
Species:	O. pendulum (L.) C. Presl
Synonyms
Ophioglossum pendulum L.

Ophioderma pendulum is sometimes known as the old-world adder's-tongue. In Malaysia, it is known as daun rambu.^[1] It is a fern in the family Ophioglossaceae, and is the type species of the genus Ophioderma.

O. pendulum is a common epiphyte in the East Indies.

References

1. ^ St. John, Harold (1940-06-26), "Ophioglossum, Rollandia, and Scaevola: Hawaiian Plant Studies", Occasional Papers of Bernice P. Bishop Museum 15: 28