Flora of New Zealand Series

C. ferruginea (Turner ex Sm.) Migula, Kryptogamen-Flora von Deutschland, Deutsch-Österreich und der Schweiz, IV. Flechten 2: 479 (1931).

≡Calicium ferrugineum Turner ex Sm., Engl. Bot. 35: 2473 (1812).

Descriptions : Flora (1985: 88); Tibell (1987: 100–101).

Chemistry : Thallus K−, C−, KC−, Pd−; mazedium K+ dark-red; mazedium containing a quinonoid-type compound and a yellowish, K+ red pigment (Tibell 1987).

N: Gisborne (Mt Honokawa) to Wellington (Ohakune). S: Nelson (Ruby Lake, Lake Rotoiti) to Southland (Pourakino Valley). On lignum of beech, predominantly silver beech; also on lignum of kaikawaka, 130–940 m. A very widespread taxon in temperate to cool temperate regions of both hemispheres; Europe, Scandinavia, North America, Asia, Australia and South America (Tibell 1999c: 34; McCarthy 2003c, 2006; Nimis & Martellos 2003; Hermansson & Pystina 2004; Titov et al. 2004).

Cosmopolitan

Exsiccati : Tibell (1982: No. 59).

Illustrations : Tibell (1987: 100, fig. 67; 1996b: 31, fig. 19D; 1999c: 84); Goward (1999: 81, fig. 11A); Dobson (2000: 113; 2005: 122); Purvis (2000: 37).

Chaenotheca ferruginea is characterised by: the yellow to red, K+ deep-red spots on the thallus. The thallus is greyish except for the pigment-containing spots.