Flora of New Zealand Series

P. mucorina Zahlbr., Denkschr. Akad. Wiss. Wien math. -naturwiss. Kl. 104: 272 (1941).

Holotype: New Zealand. Wellington, Greatford. On Melicytus ramiflorus. H.H. Allan, July 1933, No 183, ex Herb. Plant Res. Station, Palmerston North, W 2304!

Thallus ± crustose, minutely granular, pulverulent, squamulose, spreading, to 5 cm diam., closely attached, bordered by a pale buff, byssoid prothallus, corticolous or muscicolous. Squamules minute, granular to 2 mm wide, ± convex, densely imbricate to areolate-diffract, brownish-grey or olivaceous. Apothecia sparse, convex, to 1.2 mm diam., waxy, red-brown to blackened, proper margin thin, pale, soon occluded. Ascospores not seen.

N: North Auckland (including Three Kings Is) to Manawatu. An epiphyte of trees and shrubs in mainly coastal and lowland forest.

Endemic