The park is considered the best surviving example of Middlesex countryside in the Brent basin and has a population of the nationally rare plant the narrow-leaved bitter-cress (Cardamine impatiens).
Impatiens | Impatiens glandulifera | Cardamine pratensis | lady's smock(''Cardamine pratensis'') | Impatiens capensis | Impatiens balsamina | Cardamine impatiens | Cardamine hirsuta | Cardamine digitata |