The record derives from TICA
(data supplied on )
which reports it as a synonym (record
99FEBBB1-44B6-4DBA-9C50-97F26A0A6050) with original publication details: "in Folia Bot. Misc., 6: 85 (1989):" 85 1989.
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 Tragopogon dubius in version 1 of The Plant List.