Equisetum sylvaticum var. multiramosum (Fernald) Wherry Dataset Database of Vascular Plants of Canada (VASCAN) Rank VARIETY Classification class Equisetopsida order Equisetales family Equisetaceae genus Equisetum species Equisetum sylvaticum Name Homonyms Equisetum sylvaticum var. multiramosum (Fernald) Wherry