Menezes de Sequeira, M., Díaz-Pérez, A., Santos-Guerra, A., Viruel, J., & Catalán, P. (2009). Karyological analysis of the five native Macaronesian Festuca (Gramineae) grasses supports a distinct diploid origin of two schizoendemic groups. Anales Del Jardín Botánico De Madrid, 66(1), 55–63. https://doi.org/10.3989/ajbm.2196