Categories David Frosted: two mosses Post author By David Post date 5 February 2023 Growing on the same front garden wall, two mosses, both heavily frosted. One is grey-cushioned grimmia (Grimmia pulvinata). The other, forming a thick mat, may be cypress-leaved plait-moss (Hypnum cupressiforme). ← Frosty umbellifer remains → Frost-resistant fungi, turkey tail