Flora of New Zealand Series

≡Calicium trachelinum γ hispidula Ach., Lichenogr. universalis: 237 (1810).

Descriptions : Flora (1985: 89); Tibell (1987: 106).

Chemistry : Vulpinic acid in the yellow apothecial pruina (Tibell 1987).

N: Wellington (Hihitahi State Forest, Maungaweka). S: Nelson (Tasman Mts) to Southland (Oblong Hill, Lake Hauroko). On lignum and bark of silver beech and some other trees, in humid, shaded sites, 150–900 m. Widely distributed in temperate regions of the Northern Hemisphere (Europe, Scandinavia, Asia, North America). Also in Australia and southern South America (Tibell 1999c: 35; McCarthy 2003c, 2006; Nimis & Martellos 2003; Tibell & Thor 2003; Hermansson & Pystina 2004; Titov et al. 2004).

Cosmopolitan

Exsiccati : Tibell (1982: No. 60).

Illustrations : Tibell (1987: 106, fig. 73; 1996b: 31, fig. 19F; 1999c: 84).

Chaenotheca hispidula is characterised by: the rather small, yellow-pruinose apothecia; the fairly large spherical spores with a distinct ornamentation of irregular cracks; and association with Trentepohlia.