Alternanthera pungens(not native to Australia, naturalised)
Photographer: Fagg, M.
Copyright holder: Fagg, M.
Date Taken: 24 May 2012
Taken at: North West Point, 5.8 km NW of junction of North West Point Road and East West Baseline, Christmas Island
Image Source: Australian Plant Image Index (APII) - Photo No.: dig.49959