Phyla scaberrima (Juss.) Moldenke, Verbenaceae: See Phyla dulcis (Trevir.) Moldenke.
Classic texts: Sayre 1917.
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.