Alnus maritima (Marshall) Muhlenberg ex Nuttall ssp. maritima . Phen: Jul; mid Aug-early Oct. Hab: Ecotones between fresh tidal marshes and tidal swamps, open-canopy Atlantic white cedar swamps, streambanks, ponds, shores. Dist: Endemic to five counties in the Delmarva Peninsula of MD and DE.
Origin/Endemic status: Endemic
Taxonomy Comments: See ssp. georgiensis for additional discussion of the taxonomy of A. maritima.
Synonymy: = K3, K4, Schrader & Graves (2002); < Alnus maritima (Marshall) Muhl. ex Nutt. – C, F, FNA3, G, K1