Ceterach:
Click here for images of Ceterach.Ceterach officinarum:
Ceterach officinarum (L.) DC., Aspleniaceae: See Asplenium ceterach L.
Ceterach officinarum Willd., Aspleniaceae: See Asplenium ceterach 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.