University of MichiganThis feature layer shows invasive species locations (points and polygons) at Matthaei Botanical Gardens, Nichols Arboretum and Horner-McLaughlin Woods. Points are symbolized based on plant density with larger circles indicating denser stands of invasive species. Please cite according to the Terms of Use.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/81b4355057e74b79ab832357cf1b5070_0engUM Matthaei Botanical Gardens and Nichols ArboretumPublicMBGNAInvasiveSpeciesPoints [Michigan]Web servicesMichiganLast Modified: 2026-01-06