Ageratina haageana (Regel & Körn.) H.Rob. [ Eupatorium haageanum Regel & Körn.]
no HD illustration available (m1)
Ageratina haageana (Regel & Körn.) H.Rob. [ Eupatorium haageanum Regel & Körn.] [Compositae]
E.A. von Regel, Gartenflora, vol. 16 : t. 555, fig. 4-6 (1867)