Øvstedal, D. O.; Smith, R. L. (2001). Lichens of Antarctica and South Georgia: a guide to their identification and ecology. <em>Cambridge University Press.</em> [details]
original descriptionØvstedal, D. O.; Smith, R. L. (2001). Lichens of Antarctica and South Georgia: a guide to their identification and ecology. <em>Cambridge University Press.</em> [details]