Potamogeton perfoliatus, Llyn Cregennen Isaf, near Dolgellau, Wales

Description:

Description: English: A bed of perfoliate pondweed (Potamogeton perfoliatus) growing in Llyn Cregennen Isaf, a moderately alkaline lake with excellent water quality. Date: 26 August 2014, 10:37:55. Source: Own work. Author: Natural Resources Wales. Camera location52° 42′ 37.83″ N, 3° 59′ 02.92″ W View all coordinates using: OpenStreetMap 52.710509; -3.984144. Underwater photo. Licensing[edit] : This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license. :. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original. https://creativecommons.org/licenses/by-sa/4.0 CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue.