https://www.auneherbarium.org/specimen.php?AccessionN=1168
AUNE Herbarium | Potamogeton gramineus
The Herbarium at Antioch University New England includes over 3000 plant specimens representing about 1000 species, primarily from the New England region.
potamogeton gramineusauneherbarium
https://biodiv-paysdelaloire.fr/espece/115258
Potamot graminé - Potamogeton gramineus | Biodiv'Pays de la Loire - Pays de la Loire
potamogeton gramineusde lapaysloire