The habitats where heath milkwort~(Polygala serpyllifolia) grows:

Blanket bog
Brownfield
Hard cliff and cliff slope
Limestone pavement
Lizard peninsula
Lowland dry acid grassland
Lowland dry heath
Lowland heath
Lowland wet heath
Maritime cliff
Montane dwarf shrub heath
Raised bog
Upland acid grassland
Upland calcareous grassland
Upland dry heath
Upland wet heath