The record derives from TICA
(data supplied on )
which reports it as a synonym (record
85B1BFCB-2468-4100-875E-8E15FBC68629) with original publication details: "Sturm's Fl. Deutchl. ed. 2, 13: 32. 1905." 32 1905.
Full publication details for this name can be found in IPNI:
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Eupatorium conyzoides in version 1 of The Plant List.