Phyllopsora congregans (Zahlbr.) D.J.Galloway
Lecidea congregans Zahlbr., Denkschr. Akad. Wiss. Wien math.-naturwiss. Kl. 104: 305 (1941).
Lectotype: New Zealand. Otago. Mt Cargill on rotten logs, c. 400 m, May 1935. J.S. Thomson A 96, W3424!
Thallus microphylline, subsquamulose, squamules crowded, ± imbricate, pale grey-green to yellow-green or dark olive or green in shaded sites, continuous, spreading, to 10 cm diam., but generally much less, on rotting logs. Apothecia rarely solitary, congested, confluent, irregular, to 5 mm diam., rusty red-brown, margins thin, pale, undulate-irregular. Ascospores 8 per ascus, biseriate, ellipsoid, apices narrowly rounded, straight, 11-12 × 6 µm.
N: South Auckland (Hunua Ra.) to Wellington. S: Nelson to Southland. St: On rotting logs in humid low-light habitats, often found on decaying stumps in Nothofagus forests.
Endemic