Flora of New Zealand Series

X. squamans (Stizenb.) O.Blanco, A.Crespo, Elix, D.Hawksw. & Lumbsch, Taxon 53 (4): 971 (2004).

≡Parmelia squamans Stizenb., Ber. Tät. St. Gall. naturwiss. Ges. 1887–1888: 164 (1889).

≡Neofuscelia squamans (Stizenb.) Essl., Mycotaxon 7: 52 (1978).

Description : Flora (1985: 309 – as Neofuscelia squamans).

Chemistry : Cortex K−, HNO3+ dark blue-green; medulla K+ yellow-red, C−, KC+ red, Pd+ orange, UV−; containing four unidentified compounds related to stictic and norstictic acids.

S: Canterbury (Banks Peninsula S of Akaroa), Otago (Lindis River near Cluden, Alexandra, Coronet Peak). Alpine or subalpine on rock. Occasionally on soil, 80 – 1500 m. Known also from Argentina, Chile and South Africa (Esslinger 1977b: 145; Galloway & Quilhot 1999; Adler & Calvelo 2002).

Austral

Xanthoparmelia squamans is characterised by: the saxicolous habit; the appressesd, subpulvinate thallus; the dark-brown to black, rhizinate lower surface; and the K+ medullary reaction.