macro close up equisetum arvense “ horse tail “ dry plant

acid acrebox acretin alternative arvense background cats cleaning cloister close closeup common departing drily drug dry dryly equiseti equisetopsida equisetum field flora focus heal healing health healthy herb herba herbal horse horsetail leaf loose macro material medicinal medicine natural nature pharmacy phytotherapy plant power prescription product purifying remedial remedy selective silicic silver stalk tail tea welfare wooden