Osmundastrum cinnamomeum
Videos
Osmundastrum cinnamomeum, commonly known as the cinnamon fern or the buckhorn fern, is a species of royal fern native to the Americas and Asia. It is the sole living representative of the genus Osmund
Sporophylls of Osmundastrum cinnamomeum
Close-up of the pinnae of a sterile frond
Multiple cinnamon ferns during summer
North America
Videos
North America is a continent in the Northern and Western hemispheres. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Cari
A 2005 NASA satellite image of North America
European colonization of North America and the Territorial evolution of the United States by Gustav Droysen
The Sonoran Desert in Arizona
Moraine Lake in Banff National Park in Alberta