Alnus viridis f. typica Callier
Alnus ovata f. macrophylla Lange
Alnus ovata var. repens (Wormsk. ex Hornem.) Lange
Alnus viridis var. crispa (Aiton) House
Alnus viridis subsp. crispa (Aiton) Turrill
Betula alnus-crispa Steud.
Alnus crispa f. stragula Fernald
Alnus undulata Willd.
Alnus mollis Fernald
Betula alnus var. crispa (Aiton) Michx.
Alnus viridis f. macrophylla Callier
Alnus repens Wormsk. ex Hornem.
Alnus viridis f. pubescens Callier
Alnus ovata f. repens (Wormsk. ex Hornem.) Kjellm.
Duschekia crispa (Aiton) Pouzar
Alnus crispa var. mollis (Fernald) Fernald
Alnus crispa var. elongata Raup
Alnus crispa var. harricanensis Lepage
Alnus viridis f. groenlandica Callier
Alnus mitchelliana M.A.Curtis ex A.Gray
Alnus crispa (Aiton) Pursh
Betula crispa Aiton
Alnus viridis var. repens (Wormsk. ex Hornem.) Callier
Alnaster crispus (Aiton) Czerep.
Alnus alnobetula var. crispa (Aiton) H.J.P.Winkl.
Alnus alnobetula var. repens (Wormsk. ex Hornem.) H.J.P.Winkl.