What is Marestail?
'''Marestail''' (also '''mare's tail''') may mean: ;Plants * ''[[Conyza canadensis]]'', a plant also known as Canadian Horseweed and Canadian Fleabane * ''[[Equisetum]]'', a genus of plants also known as Horsetail and Pipeweed * ''[[Hippuris]]'', a genus of aquatic flowering plants ;Waterfalls * [[Grey Mare's Tail]], near Moffat in Dumfriesshire, Scotland * [[Grey Mare's Tail, Llanrwst]] in the Conwy valley in north Wales ;Other *Mare's tail, a type of [[Clouds#Types of clouds|cirrus cloud]] formation. {{disambig}}