(Kütz.) Krammer 2003
Valves of Delicata canadensis are lunate in shape and smaller. Delicata alpestris and D. montana have wider apices and narrower axial areas.
(Krammer) Bahls 2017
L.L. Bahls 2017
L.L.Bahls 2017
Lange-Bert. and Krammer in Krammer