Acarospora bullata, commonly known as cracked lichen, is a species of lichen in the Acarosporaceae family. The British Lichen Society wrote in 2010 that Acarospora bullata, when seen in North America, has been described as conspecific to Acarospora rugulosa. This species is also known to be conspecific with Acarospora subcastenae and Acarospora mendozana.

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