Are Conradina and Rowan native to the same locales?  
Conradina: Conradina is a genus of flowering plants in the mint family, Lamiaceae. Rowan: The rowans or mountain-ashes are shrubs or trees in the genus "Sorbus" of the rose family Rosaceae. Rowan:  They are native throughout the cool temperate regions of the Northern Hemisphere, with the highest species diversity in the mountains of western China and the Himalaya, where numerous apomictic microspecies occur.
i don't know