34.33 - Prairies calcaires subatlantiques très sèches
Trigonella foenum-graecum subsp. gladiata (M.Bieb.) Bonnier & Layens, 1894 (Plantae, Equisetopsida)
Echium asperrimum Lam., 1792 (Plantae, Equisetopsida)
38 - Prairies mésophiles
Inula helenium L., 1753 (Plantae, Equisetopsida)