Pontederiaceae
Monochoria
Monochoria C. Presl.
Engl.: monochoria.
Pontederia
Pontederia L.
Bot. syn.: Unisema Raf.
Unisema:
Unisema Raf., Pontederiaceae: See Pontederia L. .
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.