Najas marina
Najas marina
Najas marina L.
Engl.: spiny naiad, holly-leaved naiad, marine naiad, spiny-leaf naiad.
Bot. syn.: Najas gracilis (Morong) Small, Najas major All.
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.