F.  Sales and Hedge, I. C., ?Melilotus?, Real Jardín Botánico, Madrid, vol. 7, pp. 720 - 731, 2000.

I. C.  Hedge and Sales, F., ?Trigonella?, Real Jardín Botánico, Madrid, vol. 7, pp. 731 - 741, 2000.

F.  Sales, ?A reassessment of the Bromus madritensis complex (Poaceae): a multivariate approach?, Isr. J. Pl. Sc, vol. 42, pp. 245 - 255, 1994.

P. M.  Smith and Sales, F., ?Bromus L. sect. Bromus: taxonomy and relationship of some species with small spikelets?, Edinb. J. Bot, vol. 50, pp. 149 - 171, 1993.

F.  Sales, ?Taxonomy and nomenclature of Bromus sect. Genea?, Edinburgh J. Bot, vol. 50, pp. 1 - 31, 1993.

F.  Sales and Hedge, I. C., ?Melilotus Miller (Leguminosae): typification and nomenclature?, Anales Jard. Bot. Madrid, vol. 51, pp. 171 - 175, 1993.