Helianthus rigidus:
Helianthus rigidus:
Helianthus rigidus (Cass.) Desf., Asteraceae: See Helianthus pauciflorus Nutt.
Practical Herb Cards 2
Etäopiskelu
Distanskurs
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.