⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Diopogon hirtus in version 1.1 of The Plant List.
This name is a synonym of Sempervivum globiferum subsp. allionii .
The record derives from Tropicos which reports it as a synonym (record 50000046
) with original publication details: Ill. Fl. Mittel-Eur. (ed. 2) 4(2): 104 104 1961.