Centaurea alba subsp. heldreichii (Halàcsy) Dostàl ― Synonym of Centaurea heldreichiiMentioned in the following international legal instruments and agreements:
- Annex I: strictly protected flora species
- Annex II: animal and plant species of community interest whose conservation requires the designation of special areas of conservation.
- Revised Annex I of Resolution 6 (1998) of the Bern Convention listing the species requiring specific habitat conservation measures (year of revision 2011)
Natura 2000 code: 1770All the information associated to this invalid name can be found on the page of the species or subspecies with the valid name.