Elodea canadensis NS8943 24June2018 PW
Elodea canadensis NS94X 2June2018 PW
Elodea canadensis NS94X 2June2018 PW
Elodea canadensis NS94X 2June2018 PW
Elodea nuttallii NS7066 07Jul2018 PW
Comparison of Elodea species
E. canadensis is on the left with paired leaves and blunter tip.
E. nutalli on the right, with three leaves and sharper tip.
Elodia NS9840 11May2019 PW
Elodea species - Waterweeds
There are two common Elodea in VC77.
Elodea canadensis Canadian Waterweed
This has (mainly) paired leaves with blunt / obtuse tips which are > 0.8 mm wide 1mm behind the tip.
Elodea nuttallii Nuttall’s Waterweed
This has whorls of (2) 3 - 4 (5) leaves with acute tips and the leaves are < 0.8 mm wide 1mm behind the tip.