Hypotrachyna spumosa
Common name
Frothy loop
Synonyms
Parmelia spumosa, Parmelina spumosa, Parmelinopsis spumosa
Family
Parmeliaceae
Flora category
Lichen – Native
Endemic taxon
No
Endemic genus
No
Endemic family
No
Structural class
Lichens - Foliose
Current conservation status
2018 | Not Threatened | Qualifiers: SO
Brief description
Characterised by the corticolous (occasionally saxicolous) habit; the pale-yellow (in part) medulla; pustulate isidia which do not (or only sparingly) become sorediate; and gyrophoric acid in the medulla.
Distribution
North Island: Northland to Taranaki. South Island: Canterbury (Hanmer) to Otago (Dunedin). Auckland Islands.
Cosmopolitan. Common in the pantropics being known from East Africa, Zimbabwe, South Africa, Japan, Papua New Guinea, Australia and New Caledonia.
Habitat
On both native and introduced trees and shrubs (especially on *Acacia), and occasionally on rocks in grassland.
Detailed description
Chemistry: Cortex K+ yellow; medulla K−, C+ rose, KC+ rose, Pd−; comtaining atranorin, chloroatranorin, gyrophoric acid (major), 5-O-methylhiascic acid (minor) and umbilicaric acid (minor) (Elix & Wardlaw 2000).
Substrate
Corticolous
Attribution
Fact sheet prepared by Melissa Hutchison (15 June 2023). Brief description, Distribution, Habitat, and Features 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.