Habitat Pottia truncata typically grows on damp clayey soil. It is a relatively widespread species, occurring in various parts of the world such as China, Japan, Russia, Europe, South and North America.  Pottia truncata is presumed to be an introduction in British Columbia where it … Continue reading Pottia truncata (Hedw.) Bruch & Schimp. [=Tortula truncata (Hedw.) Mitt.)]