Rodriguez Marzal, J.L. 2006. Teucrium oxylepis Font Quer subsp. marianum Ruiz de la Torre & Ruiz del Castillo in Western Sierra Morena. Forest Systems. 15, S1 (Dec. 2006), S199-S207. DOI:https://doi.org/10.5424/srf/200615S1-00992.