Dirinaria applanata
≡Parmelia applanata Fée, Essai crypt. écorc : 126 (1825).
Description : Flora (1985: 163).
Chemistry : Cortex K+ yellow; medulla K−, C−, KC−, Pd−; containing divaricatic acid (major), atranorin and chloroatranorin.
K: (Raoul I.). N: Northland (Moturoa Is, Poor Knights Is, Kawerua, Kaitaia, Hokianga, Whangarei, Little Barrier I., Waiwera), Auckland (Auckland City, Rangitoto I.), South Auckland (Hunua Ra., Coromandel Ra., Hauraki Plains, Rotorua, Karapiro). On bark of Avicennia marina, Cupressus macrocarpa, Dacrydium cupressinum, Dacrycarpus, Kunzea ericoides, Melicytus ramiflorus, Metrosideros excelsa, Phyllocladus, Pinus radiata, Podocarpus totara, Prunus spp., Salix capraea in ±open situations, at forest edge or in forest remnants of northern coastal forest, on a variety of introduced trees in farmland and in parks and gardens in northern urban areas, on maritime rocks, on fenceposts and railings. Widespread in tropical regions (Jørgensen 1973; Awasthi 1975; Swinscow & Krog 1978, 1988; Aptroot 1987, 1988, 1989; Aptroot 2002e; Becker 2002; Wolseley et al. 2002; McCarthy 2003c, 2006; Kalb 2004b).
Pantropical
Illustrations : Fée (1825: tab. XXXII, fig. 2 – as Parmelia applanata); Aptroot (1987: 19, pl. 3); Swinscow & Krog (1988: 79, fig. 36).
Dirinaria applanata is characterised by: the corticolous/lignicolous (rarely saxicolous) habit; the thickened, flabellate lobes that are confluent from the periphery to centre, and by the capitate soralia.
