Not an accepted name (status: unknown). The accepted name is Hackelia deflexa var. americana (A.Gray) Fernald & I.M.Johnst., 1924.

Hackelia deflexa subsp. americana (A.Gray) Hultén, 1924 14% complete

No common name

Rhodora 26: 124 (1924)

There is no corrections for Hackelia deflexa subsp. americana yet.