This is the American — or Eastern — hophornbeam (Ostrya virginiana). A member of the birch family, hophornbeam grows in the understory in a variety of northeastern hardwood forest types. It is also ...

European Journal of Taxonomy, doi: 10.5852/ejt.2018.409 Holstein N, Weigend M (null) No taxon left behind? – a critical taxonomic checklist of Carpinus and Ostrya (Coryloideae, Betulaceae). European ...