Figure 2a: Hatched areas show residential and garden buildings. Circular areas are significant garden shrubs or trees either rising above the surrounding fence or else with a strong attraction for butterflies, e.g. a series of buddleia bushes midway along southern boundary fence. Letters correspond to different species: Apple (A), Buddleia (B), Damson (D), Holly (H), Lilac (L) Plum (P), Quince (Q), Rowan (R) and Silver Birch (SB).