Catinaria grossa (Pers. ex Nyl.) Vain.
Lecidea grossa Pers. ex Nyl., Acta Soc. linn. Bordeaux 21: 385 (1856).
Thallus olive greenish or greenish-yellow to creamish-buff, ± areolate, wrinkled, verrucose or lacking. Apothecia sessile, scattered, few to many, 0.5-2.0 mm diam., disc black, smooth, concave at first, becoming roughened, convex and immarginate with age, margins persistent, thick, concolorous with disc, thinner and sometimes occluded at maturity. Epithecium blue-black, 8-22 µm thick. Hymenium colourless 80-110 µm tall. Paraphyses discrete 2-2.5 µm thick, apices blue-black, capitate. Hypothecium blue-black or green-black, dense, thick. Ascospores 20-34 × 10-15(-18) µm, straight, apices pointed or rounded.
N: Wellington. S: Canterbury to Otago (Dunedin), in drier, eastern coastal lowland localities. A bark species common on Griselinia, Hoheria and other trees and shrubs in coastal forest, also on dead tussock bases.
Cosmopolitan