There are several synonyms for the Indian Button Fern - one of which is the Emerald Feather Fern. This name refers to the fern's delicate, emerald green fronds that resemble feathers. Another synonym for the Indian Button Fern is the Fishbone Fern, which is due to its slender, branching stems that resemble a fishbone. Another alternative name for this fern is the Creeping Button Fern, which is due to its growth habit and how it seems to slowly "creep" along the ground as it grows. Lastly, some people also refer to it as the Squirrel's Foot Fern, due to its pointed, triangular fronds that resemble a squirrel's paw.