Fraxinus americana: Difference between revisions

There are an estimated 8 billion ash trees in the United States<ref>{{cite web|title=Ash Conservation Research|url=https://www.ars.usda.gov/midwest-area/ames/plant-introduction-research/home/npgs-ash-conservation-project/ash-conservation-research/#:~:text=There%20are%20an%20estimated%208,and%20in%20natural%20forest%20ecosystems.|language=en-US|website=USDA.gov|access-date=15 December 2023}}</ref> – the majority being white ash trees and [[Fraxinus pennsylvanica|green ash trees]].<ref>{{Cite news|url=https://www.thoughtco.com/common-north-american-ash-trees-1341846|title=The most common Ash species in the United States.|work=ThoughtCo|access-date=2018-05-09}}</ref><ref>{{FEIS |type=tree |genus=Fraxinus |species=americana |last=Griffith |first=Randy Scott |date=1991 |access-date=2018-05-09}}</ref><ref>{{Cite web|url=http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=a868|title=Fraxinus pennsylvanica - Plant Finder|website=Missouribotanicalgarden.org|language=en-US|access-date=2018-05-09}}</ref><ref>{{FEIS |type=tree |genus=Fraxinus |species=pennsylvanica |last=Gucker |first=Corey L. |date=2005 |access-date=2018-05-09}}</ref> White ash trees are threatened by the spread of the invasive [[emerald ash borer]] (''Agrilus planipennis''), whose larvae kill ash trees.<ref name=iucnredlist/> It was detected in [[Detroit, Michigan]] in 2002, and nowlater found in eastern Canada and the majority of U.S. states, whose larvae kill ash trees.<ref name=iucnredlist/>