Hugh Knott:
Polygala alpestris (Mountain Milkwort)
Hugh Knott:
Polygala alpina (Alpine Milkwort)
Hugh Knott:
Polygala chamaebuxus (Shrubby Milkwort)
Hugh Knott:
Polygala chamaebuxus (Shrubby Milkwort)
Hugh Knott:
Polygala alpina (Alpine Milkwort)
Hugh Knott:
Polygala comosa (Tufted Milkwort)
Hugh Knott:
Polygala alpina (Alpine Milkwort)