Flora of New Zealand Series

≡Psoroma euphyllum Nyl., Syn. meth. lich. 2: 21 (1863).

Holotype: New Zealand. Sine loco. Sine collectoribus, ex Herb. Churchill Babington – H-NYL 30800.

Description : Flora (1985: 474 – as Psoroma euphyllum).

Chemistry : Pannarin and porphyrilic acid (Kantvilas & Jarman 1999: 190; Elvebakk & Galloway 2003).

N: South Auckland (King Country). S: Nelson (Lake Rotoiti), Westland (Taramakau River, Kelly Ra.) St: A twig species from humid habitats in moderate shade, common as an epiphyte of Coprosma, Cyathodes, Pseudowintera and Nothofagus.

Australasian

Exsiccati : Vězda (1997c: No. 285 – as Psoroma euphyllum).

Illustrations : Jørgensen & Galloway (1992b: 283, fig. 97B); Malcolm & Galloway (1997: 107); Kantvilas & Jarman (1999: 128); Malcolm & Malcolm (2000: 104); Malcolm & Malcolm (2001: 7) – all as Psoroma euphyllum.

Pannaria euphylla is characterised by: the cetrarioid growth habit on twigs, with spreading lobes not closely appressed to substratum; and pannarin as major secondary compound. It has a green alga as major photobiont.