Tanacetum corymbosum, (L.) Schultz Bip.

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 : 170-171

9. T. corymbosum (L.) Schultz Bip. , Tanacet. 57 (1844)

( Chrysanthemum corymbosum L. , Leucanthemum corymbosum (L.) Greń. & Godron , Pyrethrum corymbosum (L.) Scop. ).

Perennial. Stems 30-120(—150) cm, more or less branched; leaves pinnatisect to pinnatipartite, pubescent or glabrous (rarely densely hairy above, white-sericeous beneath), the segments toothed; basal 30-40 mm, oblong to linear-oblong, with 16-40 segments, the segments oblong to oblanceolate, petiolate; cauline leaves similar but smaller and sessile. Capitula 3-15(-20) in a lax corymb, long-pedunculate; involucre 8-14 mm in diameter. Ligulate florets white, female; ligules 10-16 mm. Achenes 2-2-5(-3) mm; ribs 5-7, very prominent; pappus a shortly toothed corona O-5-O-8 mm. Open woodland, scrub and meadows. Europe northwards toN.C. France and C. Russia;some isolated stations in N. Russia (by Onežskoe Ozero) and locally naturalized. Al Au Bu Co Cz Ga Ge Gr He Hs Hu Ju Lu Po Rm Rs (N, C, W, K, E) Sa Si Tu [Da It Su].,