Common, RR embankment; Co Rt D, 1.5 mi E, Archbold, Sect 35, German Twp.
F - 1
ORIGINAL ID: Equisetum X ferrissii Clute ANNO: Equisetum hyemale L. var. affine (Engelm.) A. A. Eaton, R J Hickey & W Blackwell (MU), 1986; =E. hyemale L. subsp. affine (Engelm.) Calder & Roy L. Taylor, M K Cooperrider (KE), January 1994