Catillaria impolita D. C. Linds.
Nova Hedwigia 27, 3-4: 877 (1976).
Type locality: South Africa, Prince Edward Islands, Marion Island, grey lava submerged in water, altitude unknown, van Zinderen Bakker sr. 212b ( - holotype).
Type locality coordinates: 46°54'22"S, 37°44'13"E; -46.906111°, 37.736944°.