Plant j. Plant j. Tracking the ancestry of known and ‘ghost’ homeologous subgenomes in model grass Brachypodium polyploids Sancho Rubén Universidad de Zaragoza Inda Luis A. Universidad de Zaragoza Díaz-Pérez Antonio Des Marais David L. Gordon Sean Vogel John P. Lusinska Joanna Hasterok Robert Contreras-Moreira Bruno Universidad de Zaragoza Catalán Pilar Universidad de Zaragoza 2022 research-article