Lichens of Belgium, Luxembourg and northern France

Distribution map of Placopyrenium trachyticum var. subtrachyticum (B. de Lesd.) Breuss  by Paul Diederich   Placopyrenium trachyticum var. subtrachyticum (B. de Lesd.) Breuss
« Placopyrenium trachyticum

Syn.: Catapyrenium subtrachyticum B. de Lesd.

On calcareous stones of a wall.

Belgium: - .

Luxembourg: - .

France: Mar.: RRR (1902) (type locality).

Lit.: BDL1: 232, Breuss (1990: 144), Breuss (2009).

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