Family Equisetaceae Equisetum sylvaticum L.
wood horsetail, woodland horsetail Equisetum: Latin for "horsetail" from equus, "horse," and seta, "bristle" sylvaticum: of or growing in woods, sylvan
Equisetum sylvaticum L. var. multiramosum (Fernald) Wherry
Equisetum sylvaticum L. var. pauciramosum Milde
Equisetum sylvaticum L. var. pauciramosum Milde f. multiramosum Fernald