#horsetail  perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes; tend to become weedy; common in northern hemisphere; some in Africa and South America
  supertype:  #fern_ally  pteridophytes of other classes than Filicopsida
  part:  #strobilus
  member of:  #genus_Equisetum
  subtype:  #common_horsetail__field_horsetail__fieldhorsetail__Equisetum_arvense  of Eurasia and Greenland and North America
  subtype:  #swamp_horsetail__swamphorsetail__water_horsetail__Equisetum_fluviatile  Eurasia; northern North America to Virginia
  subtype:  #scouring_rush__rough_horsetail__roughhorsetail__Equisetum_hyemale__Equisetum_hyemale_robustum__Equisetum_robustum  evergreen erect horsetail with rough-edged stems; formerly used for scouring utensils
  subtype:  #marsh_horsetail__marshhorsetail__Equisetum_palustre  scouring-rush horsetail widely distributed in wet or boggy areas of northern hemisphere
  subtype:  #wood_horsetail__Equisetum_Sylvaticum  Eurasia except southern Russia; northern North America
  subtype:  #variegated_horsetail__variegated_scouring_rush__Equisetum_variegatum  northern North America; Greenland; northern and central Europe

No statement uses or specializes #horsetail; click here to add one.