Senecio integrifolius subsp. integrifolius

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 : 199

(a) Subsp. integrifolius (incl. S. aucheri DC. , S. campestris (Retz.) DC. , S. heldreichii Boiss. , S.jailicola Juz. ): Stems 8-100 cm, arachnoid-lanate but glabrescent. Basal leaves ovatelanceolate to suborbicular, usually abruptly contracted into a petiole which is not longer than the lamina, entire or remotely denticulate, greyish- or whitish-arachnoid-lanate, equally hairy on both surfaces but glabrescent; cauline leaves few. Capitula 3-15. Involucre 6-8 mm, glabrous or somewhat hairy at base; bracts green, sometimes reddish at apex. Ligules 12-15, 10-20 mm, yellow or golden yellow. Achenes shortly and usually densely hairy, rarely glabrous. 2л=48, c. 90. Dry grassy places. Almost throughout the range of the species.