common [1]. Abundant (Gough) [4]. Now common and abundant (Inaccessible) [3]
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along streams and especially alongside waterfalls and seeps on cliffs [1]. Widespread all over the island, in many different habitats. An important constituent of pastures and other grasslands, but also common and locally dominant elsewhere [2]. Abundant, locally dominant, along stream banks and peat slips and other disturbed sites (Gough) [4]. Now common and abundant along watercourses, especially waterfalls, forming dense mats. Quite widespread in the eastern rivers. (In tussock grassland) (Inaccessible) [3]
locally dominant [2]
First collected in 1955/56 by Wace (Gough) [4]. First collected on Inaccessible by Wace in Nov 1976, at the Waterfall [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] Cooper, J & Ryan, P. (1994). Management Plan for the Gough Island Wildlife Reserve. Government of Tristan da Cunha, Edinburgh, Tristan da Cunha. 96 pp.; [5] Maczey, N., Tanner, R., Cheesman, O., & Shaw, R. (2012). Understanding and addressing the impact of invasive non-native species in the UK Overseas Territories in the South Atlantic: A review of the potential for biocontrol. Unpublished report. CABI (ref: TR10086).