The small morph that keys out to this species using Galloway (2007). Images here of herbarium material collected 30 November 2019 - in wet and dry states.

Photobiont cyanobacterial. Thallus when wet slimy, dark green-black. Dry thallus black. Upper thallus surface covered in globular isidia.

There seem to be at least two entities keying out to the concept of this species in Galloway (2007).

Noted for Farewell Spit - Wharariki Bioblitz 2019.

Voucher: P.J de Lange 14564 & T.J.P. de Lange, UNITEC 11317

Galloway, D.J. 2007: Flora of New Zealand; Lichens, including lichen-forming and lichenicolous fungi. Revised second edition.2 ed. Lincoln, Manaaki Whenua Press. 2261 p.