Oregano 
Oriental Bugle 
Origanum dayi 
Origanum ramonense 
Origanum rotundifolium 
Origanum syriacum 
Orobanche hermonis 
Otostegia fruticosa 
Pagoda Flower 
Pagoda Flower 
Painted nettle 
Pennyroyal 
Peppermint 
Perennial Yellow-Woundwort 
Petra oregano 
Phlomis aurea 
Phlomis brachyodon 
Phlomis brevilabris 
Phlomis lanata 
Phlomis pungens 
Phlomoides arctiiolia 
Phlomoides baldschuanica 
Phlomoides labiosa 
Phlomoides laciniata