common [1]. Inaccessible: All plants were removed, as well as the sand in 2004. Eradication seems to have been successful (Ryan 2010)
pastures of Settlement Plain and on waste ground; possibly also in other parts of the island at lower elevations [1]. Tristan: Widely spread in all habitats all around the island, mostly associated with open ground. Locally reaching high cover values in the Patches [2].
Inaccessible: First recorded in 2004, growing in sand imported from Tristan in 1999 for hut construction [3].
[1] Ryan, P. (ed.) (2007). Field Guide to the Animals and Plants of Tristan da Cunha and Gough Island. Pisces Publications, Newbury. 162 pp; [2] Gremmen, N.J.M. and R.L. Halbertsma (2009). Alien plants and their impact on Tristan da Cunha. Report Data-Analyse Ecology, Diever, NL.; [3] Gremmen, N. J. M. (2010). Alien vascular plants of Inaccessible, Nightingale and Gough Islands (Tristan da Cunha Group).; [4] Ryan, P. (2010). Annotated list of vascular plants recorded from Inaccessible Island. Unpublished Report.