The Confirmed Locations of the Emerald Ash Borer

EAB Distribution Map

Confirmed locations of EAB are shown by the red dots. The most current map (updated monthly) is available at the Emerald Ash Borer Information website.

Ash Tree Species Distribution Maps

Fraxinus americana species distribution.

Fraxinus americana
A distribution map of white ash.
Source: USGS map based on Atlas of Unites States Trees by Elbert L. Little, Jr.

Fraxinus nigra
A distribution map of black ash.
Source: USGS map based on Atlas of Unites States Trees by Elbert L. Little, Jr.

Fraxinus pennsylvanica species distribution.

Fraxinus pennsylvanica
A distribution map of green ash.
Source: USGS map based on Atlas of Unites States Trees by Elbert L. Little, Jr.

Fraxinus profunda
A distribution map of pumpkin ash.
Source: USGS map based on Atlas of Unites States Trees by Elbert L. Little, Jr.

Fraxinus quadrangulata species distribution.

Fraxinus quadrangulata
A distribution map of green ash.
Source: USGS map based on Atlas of Unites States Trees by Elbert L. Little, Jr. Hover over thumbnails to preview.
Click thumbnails to set in Map Viewer.

To link to map source, click Reference Links | Tree Species Range Maps

Ash Tree Distribution / Collected Sites / Omernik Level III Ecoregion Maps

The following maps show species distribution, where collections have been made, and the Omernik Level III Ecoregions.

Fraxinus americana - distribution, collected sites, Omernik Level III ecoregions.

Fraxinus nigra - distribution, collected sites, Omernik Level III ecoregions.

Fraxinus pennslyvanica - distribution, collected sites, Omernik Level III ecoregions.

Fraxinus profunda - distribution, collected sites, Omernik Level III ecoregions.

Fraxinus quadrangulata - distribution, collected sites, Omernik Level III ecoregions.

Ecoregions of the United States-Level III (EPA). This is a link to an explanation of the Omernik Level III regions.
Omernik Level III Map (PDF). This is a link to Omernik Level III map. Note: This takes some time to download!