Potamogeton pectinatus
Potamogeton pectinatus
Potamogeton pectinatus L.
Engl.: fennel pondweed.
Deu.: Kamm-Laichkraut.
Sven.: borstnate.
Suom.: hapsivita.
A herbal distance course
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.