Ashley Cooper / Filamentous lichen (Alectoria sarmentosa) growing on tree in Laurel (Laurus nobilis) forest, near Rabacal, Madeira. March.

Staffan Widstrand / Common witch's-hair lichen (Alectoria sarmentosa) covering branches of Scots pine (Pinus sylvestris) tree in forest, Stuorbatjvare Nature Reserve, Norrbotten, Sapmi, Lapland, Sweden. August.

Staffan Widstrand / Common witch's-hair lichen (Alectoria sarmentosa) covering branches of Scots pine (Pinus sylvestris) tree in forest, Stuorbatjvare Nature Reserve, Norrbotten, Sapmi, Lapland, Sweden. August.

Staffan Widstrand / Norway spruce (Picea abies) covered in Alectoria sarmentosa lichens, Muddus National Park, Laponia UNESCO World Heritage Site, Norrbotten, Lapland, Sweden September 2020

Staffan Widstrand / Norway spruce tree (Picea abies) covered in Alectoria sarmentosa lichens, Muddus National Park, Laponia UNESCO World Heritage Site, Norrbotten, Lapland, Sweden September 2020