Uncommon. Corticolous on rawiritoa (Kunzea amathicola). Thallus when dry dark blue-grey, large portions of thallus densely covered in isidia, isidia often obscuring thallus and in places forming a diffract crust. Images posted here show specimens in site, and herbarium material collected (dry) and wet. Wet material dark green-black.

Noted for Farewell Spit - Wharariki Bioblitz 2019.

Voucher: P.J. de Lange 14594 & T.J.P. de Lange, UNITEC 11389