Lamiaceae Mint Family, part 1 : Agastache, Hyptis, Lamium, Leonurus, Marrubium, Monarda, Monardella, Nepeta, Salazaria, Stachys, Teucrium, and Trichostemma
Christy C., Damrel D.Z., Henry A., Trauth-Nare A., Puente-Martinez R., Walters G., 2003. Journal of the Arizona Nevada Academy of Science, 35 (2) pp. 151-169.
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