Description: English: Hooker, J.D., The botany of the Antarctic voyage of H.M. discovery ships Erebus and Terror in the Years 1839-1843, under the command of Captain Sir James Clark Ross, vol. 2(1): t. 6 (1853) [W.H. Fitch]. Date: 31 December 1844. Source:
http://www.plantillustrations.org/illustration.php?id_illustration=56837. Author: W.H. Fitch in Joseph Dalton Hooker (1844). Flora Antarctica, Volume 2, Botany of Fuegia, the Falklands, Kerguellen's land, etc. Plate VI.