Chris Gomersall / 2020VISION / Close-up of Reindeer moss (Cladonia rangiferina), Frensham Common Nature Reserve, Surrey, England, UK, April

Scott Leslie / Reindeer Moss (Cladonia rangiferina) on tundra, southern Labrador, Canada

Scott Leslie / Reindeer Moss (Cladonia rangiferina), Sheep's Laurel (Kalmia angustifolia), and Black Spruce (Picea mariana) at sunset, Canada

Konstantin Mikhailov / White Reindeer moss {Caldonia rangiferina}, near the White Sea, Karelia, N Russia, September 2007.

DOMINIC JOHNSON / Reindeer moss lichen (Cladonia rangiferina) and Liverwort, Siberia, Russia

Igor Shpilenok / Reindeer moss {Cladonia rangiferina} growing by stream above Lake Baikal, Russia.

Konrad Wothe / Reindeer Moss (Cladonia rangiferina) with pine cone, Sweden