1. Andrews M, Andrews ME, Watson C, Percival SM. 1997. Emergence of small and large seeded grasses: Importance of shoot strength. Session 22 – Forage and Grassland Management. Proceedings XVIII IGC 1997 Winnipeg, Manitoba. pp. 27–28.
2. Quantitative analysis of emergence of seedlings from buried weed seeds with increasing soil depth
3. Seeds
4. BolòsO de, VigoJ, MasallesRM, NinotJM. 1993. Flora manual dels Països Catalans. Barcelona: Pòrtic.
5. Burkart A. 1969. Flora Ilustrada de Entre Ríos. Parte II Gramínias. Colección Científica del INTA, Buenos Aires, Argentina.