Ageratina vernalis (Vatke & Kurtz) R.M.King & H.Rob. [ Eupatorium grandiflorum André]
no HD illustration available (m1)
Ageratina vernalis (Vatke & Kurtz) R.M.King & H.Rob. [ Eupatorium vernale Vatke & Kurtz] [Compositae]
Rev. Hort. (Paris), ser. 4, vol. 54 (54e ANNÉE - 1882): (1882)