Rodríguez, Rocío del P. 2005. “Pathological Anatomy of the Upper Taproot and Stems of Alfalfa Afflicted With Crown Rot Induced by Phoma Medicaginis Malbr. Roum. Var. Medicaginis Boerema”. The Journal of Agriculture of the University of Puerto Rico 89 (3-4):243-50. https://doi.org/10.46429/jaupr.v89i3-4.1045.