File:Flickr - brewbooks - To be Identified Cushion plant (2).jpg - Wikimedia Commons
Tasmanian cushion plants - Wikipedia
Iconic Macquarie Island cushion plant dying out – Magazine Issue 28: June 2015 – Australian Antarctic Program
Life in the Cushion Plants - Luke O'Brien Photography
Cushion plant - Wikipedia
The Hardy and Amazing Flora of the Arctic Tundra
Cushion plants as critical pioneers and engineers in alpine ecosystems across the Tibetan Plateau - Wang - 2021 - Ecology and Evolution - Wiley Online Library