Habitats where square St John's-wort (Hypericum tetrapterum) grows:

Habitat NVC communities Sites
Blanket bog NVC → Sites →
Coastal floodplain grazing marsh NVC → Sites →
Lowland fen NVC → Sites →
Moist damp verges and banks NVC → Sites →
Purple moor grass and rush pasture NVC → Sites →
Upland acid grassland NVC → Sites →
Wet woodland NVC → Sites →