Fissurina verrucosa is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. Found in Karnataka, India, it was formally described as a new species in 2007 by Urmila Makhija and Bharati Adawadkar. This species is characterized by its yellowish-brown and slightly glossy appearance. Its thallus has a cracked, uneven, and verrucose texture.