Pertusaria subplanaica
Family
Pertusariaceae
Flora category
Lichen – Native
Endemic taxon
No
Endemic genus
No
Endemic family
No
Structural class
Lichens - Crustose
Current conservation status
2018 | Data Deficient | Qualifiers: SO
Brief description
Characterised by the corticolous habit; 8- spored asci; and the presence of 2,2’-di-O-methylstenosporic acid.
Distribution
North Island: Auckland (Rangitoto Island), South Auckland (Mt Mangatawhiri, Coromandel Peninsula).
Known also from Australia.
Habitat
On Rhopalostylis sapida bark.
Detailed description
Thallus pale olive-green, somewhat cracked, surface smooth and dull, without isidia or soredia. Apothecia verruciform, conspicuous, dispersed, sometimes confluent, concolorous with thallus, flattened-hemispherical, constricted at base, 0.8–1.5 mm diam.; ostioles inconspicuous, brown, 1 per verruca. Ascospores 8 per ascus, irregularly uniseriate, smooth, ellipsoidal to fusiform, (60–)80–120 × 30–40 μm.
Chemistry: K−, C−, KC−, Pd−; containing 4,5-dichlorolichexanthone (minor), 2,2’-di-O-methylstenosporic acid (major), 2’-O-methylstenosporic acid (minor-tr.), 2’-O-methylperlatolic acid (minor), planaic acid (tr.) and 2,2’-di-O-methyldivaricatic acid (tr.), ±methyl 2,2’-di-O-methylstenosporate (tr.).
Substrate
Corticolous
Attribution
Fact sheet prepared by Marley Ford (13 February 2021). Brief description, Distribution, Habitat, and Features sections copied from Galloway (1985) & Galloway (2007).
References and further reading
Galloway D.J. 1985: Flora of New Zealand: Lichens. Wellington: PD Hasselberg, Government Printer. 662 pp.
Galloway D.J. 2007: Flora of New Zealand: Lichens, including lichen-forming and lichenicolous fungi. 2nd edition. Lincoln, Manaaki Whenua Press. 2261 pp.