Canada's Plant Hardiness Site

Equisetaceae horsetail family
Equisetum ×ferrissii Clute, pro sp., (E. hyemale ? E. laevigatum)
En: Ferriss' scouring-rush;
Fr: prele de Ferriss

• [=Equisetum fluviatile L. var. siccum Lunell]
• [=Equisetum hyemale L. forma intermedium (A.A.Eaton) Vict.]
• [=Equisetum hyemale L. forma polystachyum A.A.Eaton]
• [=Equisetum hyemale L. forma proliferum Haberer]
• [=Equisetum hyemale L. var. elatum (Engelm.) C.V.Morton]
• [=Equisetum hyemale L. var. intermedium A.A.Eaton]
• [=Equisetum hyemale L. var. suksdorfi A.A.Eaton]
• [=Equisetum intermedium (A.A.Eaton) Rydb.]
• [=Equisetum kansanum J.H.Schaffn. forma elatum (Engelm.) M.Broun]
• [=Equisetum laevigatum A.Braun forma proliferum Haberer]
• [=Equisetum laevigatum A.Braun var. elatum Engelm.]
• [=Equisetum prealtum Raf. var. laevigatum (A.Braun) Bush]
• [=Hippochaete ×ferrissii (Clute) Holub]
• [=Hippochaete praelta (Raf.) Farw. var. intermedia (A.A.Eaton) Farw.]
• [=Hippochaete praelta (Raf.) Farw. var. suksdorfi (A.A.Eaton) Farw.]