Mycelis muralis, (L.) Dumort.

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 : 332

1. M. muralis (L.) Dumort. , FI. Belg. 60 (1827)

( Lactuca muralis (L.) Gaertner ).

Glabrous. Stem 20-100 cm. Lower leaves 50-220 x 35-90 mm, lyrate-pinnatifid, with long, winged petioles, the terminal lobes often hastately three-lobed and larger than the rhombic or hastate lateral lobes; middle and upper leaves sessile, becoming gradually smaller and less divided upwards. Capitula narrowly cylindrical, in a large, open panicle. Involucre 7-10 x 1 -5-3 mm, the outer bracts very small, lanceolate, patent, the inner linear. Achenes 3-4 mm, blackish, with a short, pale beak. 2/2= 18. Woods, usually on base-rich soils', also on rocks and walls, and in waste places and cultivated ground. Most of Europe. All except Az BI Cr Fa Is Lu Rs (N) Sb, but only as a naturalized alien in Hb.