Gymnadenia conopsea
Several scarce and notable species occur, including round-headed rampion ("Phyteuma orbiculare"), bastard toadflax ("Thesium humifusum"), fly orchid ("Ophrys insectifera"), fragrant orchid ("Gymnadenia conopsea"), lesser butterfly orchid ("Platanthera bifolia"), frog orchid ("Coeloglossum viride"), musk orchid ("Herminium monorchis") and – unusually for a downland site – marsh helleborine ("Epipactis palustris").