Fissurina disposita

About

Fissurina disposita is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. Described in 2012 from specimens collected near Cherrapunji in Meghalaya, one of the world's rainiest places, this lichen forms pale to mid-brown glossy crusts on tree bark in humid forests. It produces tiny slit-like fruiting structures that remain largely flush with the surface and contain unusual single spores divided into brick-like compartments rather than the typical eight smaller spores. The species has since been found in the shola forests of Karnataka, another wet regions of peninsular India where heavy monsoon rainfall and persistent moisture prevail.

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