rough horsetail(n = noun.plant) equisetum hyemale, equisetum hyemale robustum, equisetum robustum, scouring rush - evergreen erect horsetail with rough-edged stems; formerly used for scouring utensils;
is a kind of horsetail

common horsetail, diamond in the rough, field horsetail, horsetail, horsetail family, horsetail lichen, horsetail milkweed, marsh horsetail, rough, rough bindweed, rough bristlegrass, rough cut, rough diamond, rough draft, rough drawing, rough fish, rough green snake, rough in, rough out, rough pea, rough rider, rough sketch, rough sledding, rough up, rough water, swamp horsetail, variegated horsetail, water horsetail, wood horsetail