Toninia aromatica (Sm.) A.Massal.
Lichen aromaticus Turner ex Sm. in Sm. et Sowerby, Engl. Bot. 25: tab. 1777 (1807).
Thallus squamulose, somewhat indeterminate, irregularly spreading, often in clumps or hummocks to 3 cm diam., saxicolous. Squamules thickish, pale to dark grey or blackish, congested, verrucose, nodular-papillate to ± discrete, plane or scattered, epruinose. Apothecia to 3 mm diam., rounded or contorted- angular, sessile, plane and marginate at first becoming convex and immarginate, black, epruinose. Ascospores 3-septate, oblong-cylindrical, 13-25 × 4-6 µm.
S: Canterbury (Weka Pass, on limestone). Probably more widespread on limestone outcrops.
Cosmopolitan
