Phaeographis inusta
Synonyms
Graphis strigata, Phaeographis strigata
Family
Graphidaceae
Flora category
Lichen – Native
Endemic taxon
No
Endemic genus
No
Endemic family
No
Structural class
Lichens - Crustose
Current conservation status
2018 | Not Threatened | Qualifiers: SO
Brief description
Characterised by the corticolous habit; the creamish or whitish, wrinkled, thick thallus, K−; and the 3-septate ascospores, 18–21 × 7–10 μm.
Distribution
North Island: Auckland (Waitakere Ranges), South Auckland (Kaingaroa Plains, Rotorua), Wellington (sine loco). Recently observed in the Waikatō (near Huntly) (Hutchison 2022).
Cosmopolitan. Known also from Great Britain, Europe, North America, India, Hawai’i, New Caledonia, and Western Samoa.
Habitat
On bark (Coriaria sp., Dacrycarpus), lowland and coastal (Galloway 2007). Recently observed on common alder (*Alnus glutinosa) next to the Waikatō River (Hutchison 2022).
Detailed description
Thallus creamish-white, thick, rugose, corticolous. Lirellae flexuous, branching, simple to stellate, 0.5-3.0 × 0.3 mm, thalline margin thin to lacking, proper exciple prominent, open, the disc dark, sometimes pruinose, base open, brown. Ascospores 6-8 per ascus, 4-locular, 18-21 × 7-10 µm, walls thick, brown.
Chemistry: TLC−, all reactions negative.
Substrate
Corticolous
Attribution
Fact sheet prepared by Melissa Hutchison (15 June 2023). Brief description, Distribution, Habitat, and Features sections copied from Galloway (1985, 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.
Hutchison M. 2022: iNaturalist observation. https://inaturalist.nz/observations/109993809. Date accessed: 15 June 2023.