Compositae Working Group (CWG) (2025). Global Compositae Database. Ageratina alexanderi R.M.King & H.Rob.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1084384 on 2025-03-30
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record R.M. King & H. Rob. [MesoAmericana] R.M. King & H. Rob. [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Ageratina alexanderi R.M. King & H. Rob. [MesoAmericana] Ageratina alexanderi R.M. King & H. Rob. [Tropicos] [details] LSID urn:lsid:compositae.org:names:86B1674B-9077-4DD6-86C6-0C797DE682D4 [details] Specimen Costa Rica: San Jose: 1460 m, February 1939, Alexander F. Skutch 4196 (MO). [details] Type material 4196, A.F.Skutch, holotype US [details]