Tanacetum coccineum (Willd.) Grierson [ Pyrethrum roseum (Adams) M. Bieb.]
no HD illustration available (m1)
Tanacetum coccineum (Willd.) Grierson [ Chrysanthemum coccineum Willd.] [Compositae]
Rev. Hort. (Paris), ser. 4, vol. 93 (93e ANNÉE (1921)): (1921)