Gowardia arctica is a species of terricolous (ground-dwelling), fruticose (bushy) lichen in the family Parmeliaceae. Found in arctic regions of Northern Canada and Russia, it was formally described as a new species in 2009 by Pekka Halonen, Leena Myllys, Saara Velmala, and Heini Hyvärinen. The type specimen was collected from Banks Island in Swan Lake (Inuvialuit, Northwest Territories); here, at an elevation of , it was found growing among mesic mountain heath. It also occurs along the Arctic Ocean coast (and associated islands) of Russia. The lichen is richly branched, black to black-brown in colour (regions close to the base may be lighter), and reaches up to in diameter. It contains alectorialic acid and two other unknown lichen products.

References

Parmeliaceae

Lichen species

Lichens described in 2009

Lichens of Subarctic America

Lichens of Eastern Europe

Lichens of the Arctic

Fungi without expected TNC conservation status

Gowardia arctica