Menegazzia subpertusa
This foliose lichen grows on trees, timber, and rock in Australia, New Zealand, and southern South America. It has narrow, hollow lobes that form puffy rosettes up to 10 cm in diameter, orbicular or irregular in shape. The lobes have small, round perforations characteristic of the genus (giving them their common name "tree flute lichens"). It produces granular, white soredia out of convex soralia on the wrinkled, pale gray upper surface, as well as concave apothecia with red-brown discs. The lower surface is brown near the margins and black towards the rosette center. In Australia and New Zealand, M. subpertusa is reportedly more common in dry, lowland regions, whereas in South America, it is found in cool-humid mountain forests. Why? To fuck with us, most likely.
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