Associations :
- Gymnocarpietum robertiani Kuhnholtz-Lordat 1937 nom. inval. (22) ;
- Rumicetum scutati (A. Faber 1936) Kuhnholtz-Lordat 1937 ;
- Rumici scutati-Scrophularietum hoppei (R. Breton 1952) J.-M. Royer 1973 ;
- Scrophulario crithmifoliae-Centranthetum lecoqii Lazare 2017 ;
- Sedo sediformis-Scrophularietum hoppii Corriol 2020 nom. inval. (3b)