Xanthoparmelia loxodella
≡Parmelia loxodella Essl. in C.F. Culberson & T.L. Esslinger, Bryologist 79: 43 (1976).
≡Neofuscelia loxodella (Essl.) Essl., Mycotaxon 7: 51 (1978).
Descriptions : Flora (1985: 304 – as Neofuscelia loxodella). See also Elix (1994k: 74).
Chemistry : Cortex K−, HNO3+ dark blue-green; medulla K−, C− or C+ slow yellow, KC+ orange-red. Pd−, UV−; containing glomelliferic, glomellic and loxodellic acids.
N: Wellington (Waipakahi Valley, Kaimanawa Ra., Tongariro National Park, Taranaki Falls). S: Otago (Otago Heads, Lamb Hill, Green Island Bush). On rocks. Also in Australia (Elix 1994k; Kantvilas et al. 2002; McCarthy 2003c, 2006).
Australasian
Illustration : Esslinger (1977b: 198, pl. 28, fig. 107 – as Neofuscelia loxodella).
Xanthoparmelia loxodella is the most common isidiate species of brown Xanthoparmelia in Australasia. It is characterised by: the saxicolous habit; the loosely to moderately adnate thallus, the black lower surface becoming dark-brown at lobe apices, cylindrical isidia, and glomelliferic, glomellic and loxodellic acids in the medulla.
