New plant in the River Avon

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Description: English: Large patches of this plant have appeared in the River Avon inside the Avon Valley Nature Reserve in Salisbury. It may be Water Primrose (Ludwigia grandiflora) in which case it requires some urgent action as it is a pernicious invasive plant from South America. Date: 28 March 2021, 11:11:57. Source: Own work. Author: Richard Avery. Camera location51° 04′ 38.08″ N, 1° 48′ 12.78″ W View all coordinates using: OpenStreetMap 51.077244; -1.803550.