Tanacetum parthenium, (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 : 171

11. T. parthenium (L.) Schultz Bip. , Tanacet. 55 (1844)

( Chrysanthemum parthenium (L.) Bernh. , Leucanthemum parthenium (L.) Gren. & Godron , Pyrethrum parthenium (L.) Sm. ).

Strongly aromatic perennial. Stems ridged. Leaves pinnatisect to pinnatipartite, yellowish-green; basal and lower cauline more or less ovate, with 3-7 oblong-elliptical to ovate segments which are subpinnately divided, crenate or entire. Capitula 5-20(-30) in a dense corymb; involucre 6-8 mm in diameter. Ligulate florets white, female; ligules 2-5-7 mm. Achenes 1 -2-1-5 mm, 5- to 8-ribbed; pappus an irregularly lobed corona 0-2 mm. 2л = 18. Mountain scrub and rocky places. Balkan peninsula. Long cultivatedfor ornament and as a medicinalplant and naturalized in hedges and waste places throughout a large part of Europe. Al Bu Gr Ju [Au Az Be Br Co Cr Cz Da Ga Ge Hb He Ho Hs Hu ItLuPoRmRs (C, W, K, E) SaSiSuTu],

T. vahlii DC. , Prodr. 6: 129 (1838), believed to have been collected in Spain, and the apparently related T. willkommii Schultz Bip. , Flora (Regensb.) 34: 748 (1851), collected in E. Spain, are plants about which further information is needed.