Cetrelia braunsiana
Family
Parmeliaceae
Flora category
Lichen – Native
Endemic taxon
No
Endemic genus
No
Endemic family
No
Structural class
Lichens - Foliose
Current conservation status
2018 | Data Deficient | Qualifiers: SO
Brief description
Thallus medium to large, foliose, 12-24 cm diam., corticolous, rarely saxicolous. Lobes rounded, 5-10 mm wide. Upper surface pale greenish-grey or ashy white, the margins ± ascendent and commonly isidiate, tips white-pruinose, pseudocyphellae small, punctiform to irregular, rarely more than 1 mm broad, often associated with small, granular or delicately coralloid isidia. Lower surface black, the margins greyish like the upper surface, or brown. Rhizines small, black. Apothecia not seen in New Zealand material.
Chemistry: Thallus K+ yellow; medulla K-, C-, KC+ pink, Pd-. Alectoronic and α-collatolic acids and atranorin
Distribution
North Island: North Auckland (Tutumoe) to Wellington. South Island: Westland (Lake Kaniere).
Habitat
Very infrequently collected, mainly coastal, on trees and shrubs. On bark, rarely on rock.
Substrate
Corticolous, rarely saxicolous
Attribution
Fact sheet prepared by Marley Ford (5 August 2021). Brief description, Distribution, Habitat, Features and Similar taxa sections copied from Galloway (2007).
References and further reading
Galloway D.J. 2007: Flora of New Zealand: Lichens, including lichen-forming and lichenicolous fungi. 2nd edition. Lincoln, Manaaki Whenua Press. 2261 pp.