Potamogeton berchtoldii: taxon details and analytics

Summary description from Wikipedia:

We recommend you sign up for this excellent, free service.

©Alex Graeff, some rights reserved (CC-BY-NC-ND)

©Eric C. Maxwell, some rights reserved (CC-BY-NC)

©Logan Wagner, some rights reserved (CC-BY-NC)

©Ken Rosenthal, some rights reserved (CC-BY-NC)

©Alexis, some rights reserved (CC-BY-NC)

©Hitoshi WATANABE 渡辺仁, some rights reserved (CC-BY-NC)

©Татьяна Горбушина, some rights reserved (CC0)

©Daniele Seglie, some rights reserved (CC-BY-NC)

©jdlech83, some rights reserved (CC-BY-NC)

©Matt Bowser, some rights reserved (CC-BY)

©Summit Metro Parks, some rights reserved (CC-BY)

©Joseph D Kurtz, some rights reserved (CC-BY-NC)

©J. Burke Korol, some rights reserved (CC-BY-NC)

©Jason Grant, some rights reserved (CC-BY)

©Rob Routledge, some rights reserved (CC-BY-NC)

©Howard Horne, some rights reserved (CC-BY-NC)

©Andrey Efremov, some rights reserved (CC-BY-NC)

©Liana May, some rights reserved (CC-BY-NC)

©Alex Graeff, some rights reserved (CC-BY-NC-ND)

©Pat Deacon, some rights reserved (CC-BY-NC)

©Samuel Brinker, some rights reserved (CC-BY-NC)

©elenasuslova, some rights reserved (CC-BY-NC)

©Graham Buck, some rights reserved (CC-BY-NC)