equisetum_robustum
1. [ noun ] (botany) evergreen erect horsetail with rough-edged stems; formerly used for scouring utensils
Synonyms: rough_horsetail Equisetum_hyemale Equisetum_hyemale_robustum scouring_rush
Related terms: horsetail
Similar spelling:   Equisetum_variegatum
  Equisetum_palustre
  Equisetum_Sylvaticum
  Equisetum_hyemale
  Equisetum_arvense