Flora of New Zealand Series

=Coenogonium subtorulosum Müll.Arg., Bot. J. Linn. Soc. 32: 207 (1896).

Coenogonium subtorulosum. Lectotype: New Zealand. Sine loco. W. Colenso C1656 – BM [fide Galloway (1985a: 132)].

Description : Flora (1985: 131).

N: Northland (Three Kings Is) to Wellington. S: Nelson to Southland. St: (Port Pegasus). A: C: (Perseverance Harbour). Widely distributed in lowland and coastal forest on trees and shrubs (both on bark and on twigs) in full sun or moderate to deep shade. Although most frequently found on native trees and shrubs (Agathis australis, Beilschmiedia, Carpodetus, Cyathodes juniperina, Dracophyllum longifolium, Metrosideros excelsa, Nothofagus, Weinmannia), it will occasionally colonise twigs of Pinus radiata in humid sites (e.g. in plantations on Mt Tutamoe in Northland). Widely distributed in the tropics; also known from Australia (McCarthy 2003c, 2006).

Pantropical

Illustrations : Malcolm & Galloway (1997: 98, 140); Malcolm & Malcolm (2000: 39; 2001: 46); Brodo et al. (2001: 282, pl. 283).

Coenogonium implexum is characterised by: the corticolous habit; the olive-green to greenish yellow, filamentous, felt-like thallus; and the small, scattered orange-yellow apothecia; and the short-fusiform, 1-septate ascospores, 7–12 × 2.4 μm. Luxuriant specimens may reach 15 cm diam.