Synonyms
Eupatorium houstonis L.
Eupatorium fruticosum Mill.
Mikania houstoniana var. typica B.L.Rob.
Mikania houstoniana var. santandrensis B.L.Rob.
Willoughbya houstoniana (L.) Kuntze
Mikania houstoniana var. guatemalensis (Standl. & Steyerm.) L.O.Williams
Mikania guatemalensis Standl. & Steyerm.
Eupatorium houstonianum L.
Mikania houstoniana f. apodocephala B.L.Rob.
Mikania houstoniana f. normalis B.L.Rob.