Plant image gallery. You'll find a list of all photos in this section here. Click on the headers for the galleries.
Click here for information about Orchis.
Click here for information about Origanum.
Click here for information about Ornithogalum.
Click here for information about Orobanche.
Click here for information about Orthilia.
Click here for information about Orychophragmus.
Click here for information about Oryza.
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.