J. Peñas, J. Lorite, F. Alba-Sánchez, and M. A. Taisma, “Self-incompatibility, floral parameters, and pollen characterization in the narrow endemic and threatened species Artemisia granatensis (Asteraceae)”, An. Jard. Bot. Madr., vol. 68, no. 1, pp. 97–105, Jun. 2011.