Vascular Plants of Maryland, USA:

This checklist provides the first complete, vouchered account of Maryland’s vascular flora. In total, we discuss 3,525 taxa and document 2,918 established for state Maryland, 71.8% which are native 28.2% introduced. Of species, 737 (25.3%) tracked by Maryland Natural Heritage Program as conservation concern. We exclude 324 reported from previous authors provide justifications these exclusions.