As classified in WFO snapshot
June 2024
Warning: older classification
form
Equisetum hyemale f. intermedium
(A.A.Eaton) Haberer
This form name was first published in Bull. New York State Mus. Nat. Hist. 243-244: 47. 1923
This form name has been reclassified since this snapshot. Its current preferred usage is a synonym .