 Flowering plants found in the reserve include such rarities as the early gentian ("Gentianella anglica"), the burnt-tip orchid ("Neotinea ustulata"), the lesser butterfly orchid ("Platanthera bifolia") and the frog orchid ("Coeloglossum viride").These, along with other wildflowers, provide the nectar on which many species of butterfly feed.The butterflies found on the reserve include the internationally rare marsh fritillary, the adonis blue and the chalkhill blue.