Cladonia cervicornis
≡Lichen cervicornis Ach., Lichenogr. suec. prod.: 184 (1799) ["1798"].
Description : Flora (1985: 108).
Chemistry : Cortex K+ yellow, C−, KC−, Pd+ red; containing fumarprotocetraric acid, ±atranorin.
N: Northland (Karikari Peninsula), South Auckland (Waipakahi Valley, Kaimanawa Ra., Akatarawa Ra.). S: Nelson (Kaiteriteri, Travers Valley), Canterbury (Lewis Pass, Lake Tekapo), Otago (St Marys Ra., Albert Town, Conroy's Gully, Pierce Creek, Falls Dam, Silver Peak), Southland (Mt Hodges Dusky Sound). Ch: (Chudleigh Reserve). C: (Lyall-Col Saddle). Fellfield or on peat soils, clay banks, sandy turf, s.l. to 2000 m. Known also from Europe, Asia, northern Africa and North America, mainly Mediterranean to temperate (Ahti & Hammer 2002).
Cosmopolitan
Illustrations : Krog et al. (1994: 151); Goward (1999: 121, fig. 3B); Sérusiaux et al. (2004: 51).
Cladonia cervicornis is characterised by: the persistent basal squamules; the usually poorly developed short podetia, 5–15 mm tall, the margins not proliferating; and fumarprotocetraric acid as major secondary metabolite.
