Tierra del Norte
Severnaya Zemlya is a polar desert with sparse vegetation and permafrost at less than . Rare vascular plants include species of "Cerastium" and "Saxifraga". Non-vascular plants include the moss genera "Detrichum", "Dicranum", "Pogonatum", "Sanionia", "Bryum", "Orthothecium" and "Tortula", as well as the lichen genera "Cetraria", "Thamnolia", "Cornicularia", "Lecidea", "Ochrolechia" and "Parmelia". Common flowering plants of the high Arctic such as the purple saxifrage ("Saxifraga oppositifolia") and the Arctic poppy ("Papaver radicatum") also occur on Severnaya Zemlya.