The record derives from TICA
(data supplied on )
which reports it as a synonym (record
17BC7375-B940-4912-8E7B-95249CCB0AA0) with original publication details: A. Thellung in Vierteljahrsschr. Naturf. Ges. Zürich 55. 1910 286 1910.
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 Crepis nicaeensis in version 1 of The Plant List.