| 5492726 |
ash flower gall mite |
Eriophyes fraxiniflora |
Ash flower galls on black ash, late winter. |
| 5492727 |
ash flower gall mite |
Eriophyes fraxiniflora |
Ash flwower galls scattered in the crowns of black ash trees. |
| 1457008 |
black ash decline |
|
General decline in wetland black ash, regionally widespread in northern MN, WI and MI in 2003-2005. The cause is undetermined though drought is likely in this instance. Tree mortality did occur, crown dieback and decline was common. Photo taken near Cloquet, MN, 2005. |
| 1457006 |
black ash decline |
|
General decline in wetland black ash stands. Cause undetermined, though regional drought conditions are the most likely cause. Widespread tree mortality as well as branch dieback. Common across northern MN and WI in 2003-2005. Photo taken near Cloquet, MN, 2005. |
| 1396161 |
porcupine |
Erethizon dorsatum |
|
| 1457007 |
black ash decline |
|
Black ash decline symptoms, summer 2004, near Cloquest, MN |
| 5049020 |
frost and winter injury (general) |
|
Frost injury on black ash in 1992. |
| 5049021 |
frost and winter injury (general) |
|
Frost injury on black ash in 1992. |
| 5049022 |
black ash decline |
|
Declining black ash. |
| 5049019 |
ash anthracnose |
Gnomoniella fraxini |
Very heavy ash anthracnose on black ash. |
