Rodríguez-RuizAna, Chaves-BarrantesNéstor, Hernández-DíazAlberto, and Herrera-MurilloFranklin. 2015. “Assessment of Poa Annua Resistance to Clethodim in Costa Rica.”. Agronomía Mesoamericana 26 (2), 257-66. https://doi.org/10.15517/am.v26i2.19325.