Flora of New Zealand Series

O. macquariensis Dodge, Nova Hedwigia 19: 440 (1970).

Type: New Zealand, sine loco. Charles Knight, H-NYL - not seen.

Thallus thin, cream-white, patchy, often disappearing, saxicolous. Lirellae prominent, flexuous, unbranched, 1.0-2.0 × 0.5 mm, thalline margin lacking, proper exciple black, distinct, open, often rising above surface of disc as an edge, disc plane, black, base closed. Ascospores colourless, 4-6-locular, the locules cubic, 4-7 × 15-24(-27) µm. Chemistry: Nil.

N: Bay of Plenty (Rabbit I.), Wellington Sine loco. S: Otago (Brighton). Sn: On coastal rocks.

Endemic