Mendoza Villarreal, R., Reyes-Valdés, M. H., Espinosa Zapata, C., & Villarreal Quintanilla, J. Á. (2006). Pollen viability in a cultivated sunflower line, in the wild sunflower (Helianthus annuus L. ssp. texanus Heiser) and in its hybrid offspring. Instituto de Ecología, A.C.
Dyfyniad Arddull ChicagoMendoza Villarreal, Rosalinda, M. Humberto Reyes-Valdés, Carlos Espinosa Zapata, and José Ángel Villarreal Quintanilla. Pollen Viability in a Cultivated Sunflower Line, in the Wild Sunflower (Helianthus Annuus L. Ssp. Texanus Heiser) and in Its Hybrid Offspring. Instituto de Ecología, A.C, 2006.
Dyfyniad MLAMendoza Villarreal, Rosalinda, et al. Pollen Viability in a Cultivated Sunflower Line, in the Wild Sunflower (Helianthus Annuus L. Ssp. Texanus Heiser) and in Its Hybrid Offspring. Instituto de Ecología, A.C, 2006.