Alnus crispa (Aiton) Pursh var. crispa
Alnus crispa (Aiton) Pursh var. crispa is a synonym sensu TROPICOS of:
Alnus alnobetula subsp. crispa (Aiton) Raus, an accepted subspecies name sensu Greuter & Von Raab-Straube, 2011.
Alnus crispa (Aiton) Pursh var. crispa is a synonym sensu TROPICOS of:
Alnus alnobetula subsp. crispa (Aiton) Raus, an accepted subspecies name sensu Greuter & Von Raab-Straube, 2011.