Flora of New Zealand Series

P. subuncinata (Stirton) D. Galloway N.Z. J. Bot. 21: 196 (1983).

Phlyctis subuncinata Stirton, J. Linn. Soc. Lond. Bot. 14: 464 (1875).

P. egentior Nyl., in Knight T.N.Z.I. 7: 356 (1875).

P. abstersa Krempelh., Verhandl. zool-bot. Ges. Wien 26: 453 (1876).

P. egentior var. pallidula Nyl., Lich. N.Z.: 73 (1888).

P. wilsonii Müll. Arg., Bull. Herb. Boissier 1: 43 (1893).

Lectotype: New Zealand. Wellington. J. Buchanan 11, BM!

Phlyctis egentior. Lectotype: New Zealand. Sine loco (prob. Wellington). Charles Knight 45a, 1867, H-NYL 22318!

Phlyctis abstersa. Lectotype: New Zealand. Sine loco (prob. Wellington). Charles Knight, M 123-80/9!

Phlyctis egentior var. pallidula. Lectotype: New Zealand. Sine loco (prob. Wellington). Charles Knight 1882, H-NYL 22322!

Phlyctis wilsonii. Holotype: Australia. Corticola in umbrosis montis Macedon. Wilson 830, G617/12!

Thallus spreading in patches, 3-10 cm diam. Upper surface pale glaucous or greenish-grey to whitish-buff, granular-leprose, scurfy or furfuraceous, thin, eroded-effuse in parts, white-arachnoid at margins. Apothecia very small, 0.1-0.3 mm diam., numerous, scattered, rarely solitary 2- 6(-10) aggregated, innate to ± sessile, disc round to irregular, concave to plane, pale yellow-brown to reddish, translucent, densely white-pruinose, pruina fine, delicately farinose, margins slightly raised, entire, erumpent, densely white farinose-sorediate, macroscopically visible as pale whitish blotches on thallus. Ascospores fusiform, 7-septate, slightly curved (40-)45-62(-72) × 5-6(-7) µm. Chemistry: Cortex K+ yellow. Stictic and constictic acids and unidentified compound A.

N: North Auckland to Wellington. S: Nelson to Southland. Widely distributed, also in eastern Australia.

Australasian