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Alternanthera philoxeroides
(not native to Australia, naturalised)
Photographer: Fagg, M.
Copyright holder: Fagg, M.
Date Taken: 29 December 2022
Taken at: Lake Burley Griffin, behind ANU, about 130 m along edge of lake from Lawson Crescent jetty/viewing platform towards Black Mountain, ACT
Image Source: Australian Plant Image Index (APII) - Photo No.: dig.71530