Arthonia campbellensis ad int.

Synonym: A. calcicola Imshaug in sched. (non Nyl. 1853)


Description:
Thallus: endolithic
Apothecia: black, immersed in substratum
Ascospores: 1 septate, 12-15 x 5-6 Ám.
Epihymenium: greenish

Distribution and Ecology
Maritime limestone rocks. Three collections from one locality on Campbell Island, New Zealand.

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