Plantago coronopus subsp. coronopus

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 40

(a) Subsp. coronopus :

Annual, biennial or perennial. Leaves usually 1- to 2-pinnatifid, shortly hairy. Scapes numerous, exceeding the leaves, arcuate-ascending, slender. Spikes (l-)l-5- 4(-7) x 0-3-0-4 cm. Bracts abruptly attenuate, with a broad base and long, narrow apex; keel narrow. 2n= 10+0-IB. Throughout the range of the species.