Ruiz, C.R. & Navarro, T. (2023) Teucrium × gutierrezii a new hybrid from Southeast Iberian Peninsula, a hotspots of natural hybridization of subfamily Ajugoideae (Lamiaceae). Phytotaxa 609 (1): 45–54. https://doi.org/10.11646/phytotaxa.609.1.4