Caloplaca haematommona

Species of lichen

Caloplaca haematommona is a little-known species of corticolous (bark-dwelling), lichen in the family Teloschistaceae. It has a very thin, whitish, crust-like thallus dotted with black, spanning about 10–18 mm in width, and apothecia ranging from 0.2 to 0.8 mm in diameter, and becoming yellow-orange to brownish-orange as they mature. The lichen is known only from its type locality in Western Australia.

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