Dot maps are provided to depict the distribution at the county level o
f the Poaceae growing outside of cultivation in the six New England st
ates of the northeastern United States. The 338 taxa (species, subspec
ies, varieties, and hybrids, but not forms) are mapped based on specim
ens in the major herbaria of Maine, New Hampshire, Vermont, Massachuse
tts, Rhode Island, and Connecticut, with primary emphasis on the holdi
ngs of the New England Botanical Club herbarium (NEBC). Brief synonymy
to account for names used in recent manuals and floras for the area,
habitat, chromosome information, and common names are also provided.