11
11 Bottom – violet (Viola sp.), dandelion (Taraxacum sp.), Chinese milk-vetch (Astragalus sinicus), iris (Iris sp.), tree peony (Paeonia suffruticosa), shepherd’s purse (Capsella bursa-pastoris), Japanese wisteria (Wisteria floribunda), Chinese arrowhead (Sagittaria trifolia), Japanese kerria (Kerria japonica) and field horsetail (Equisetum arvense)