SCOTLAND: The Big Picture / Foraged wild Scottish cranberry (Vaccinium oxycoccos) from Ayrshire moorland, Scotland, UK. September.

Sven Zacek / Cranberry (Vaccinium oxycoccos) berries and frozen leaves growing amongst moss in a bog. Tartumaa, Southern Estonia. November.

David Woodfall / Cowberry (Vaccinium vitus-idaea) Fenns Whixall Moss NNR, border of England and Wales. UK. June.

Werner Bollmann / Crowberry (Empetrum nigrum), Lingonberry (Vaccinium vitis-idaea) and Black Bearberry (Arctostaphylos alpina) Rukatunturi, Finland, September.

Igor Shpilenok / Cowberries / Lingonberry (Vaccinium vitis-idaea) Pechora-Ilichsky Nature Reserve, Virgin Forests of Komi UNESCO World Heritage Site, Russia's Ural Mountains. August 2016.

Sandra Bartocha / Abstract view of Lingonberries (Vaccinium vitis-idaea) Oulanka NP, Finland, September.

Jussi Murtosaari / Cranberry blue butterfly (Plebeius optilete), male, Finland, July.

Jussi Murtosaari / Cranberry blue butterfly (Plebeius optilete), male, Finland, July.

Jussi Murtosaari / Common blue butterfly (Plebeius icarus), female, Finland, July.

SCOTLAND: The Big Picture / Cowberry or Lingonberry (Vaccinium vitis-idaea) close-up of red berries in late summer, Scotland, UK, August.

Chris Mattison / Bog cranberry (Vaccinium oxycoccos) Peak District National Park, Derbyshire, England, UK, September.

Alex Hyde / Cowberry (Vaccinium vitis-idaea) growing out of a dead pine stump. Nordtirol, Austrian Alps. June.