This name is a synonym of Tragopogon porrifolius subsp. longirostris (Sch.Bip.) Greuter.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C6902B7B-008A-404C-B522-A55B574A7BD7) with original publication details: "in Linuaea, xxiii. (1850) 663." 1850.
This name was in version 1 of The Plant List, record gcc-105327.