Old-world Adder's-tongue (Ophioderma Pendulum) is a perennial fern in the Ophioglossaceae family with moderate care difficulty. It requires moderate watering and partial shade or dappled_shade light in USDA hardiness zones 10-12. This plant is safe for cats and dogs. It can be grown indoors.

Ophioderma pendulum is a fern species known for its exceptionally long pendant fronds and epiphytic growth habit.