Black ash is a common name for several plants and may refer to:
* ''
Acer negundo'', native to North America
* ''
Fraxinus nigra
''Fraxinus nigra'', the black ash, is a species of ash native to much of eastern Canada and the northeastern United States, from western Newfoundland west to southeastern Manitoba, and south to Illinois and northern Virginia. Formerly abundant, ...
'', native to North America
* ''
Eucalyptus sieberi
''Eucalyptus sieberi'', commonly known as the silvertop ash or black ash, is a species of medium-sized to tall tree that is endemic to south-eastern Australia. It has rough bark on the trunk and the base of larger branches, smooth bark above, l ...
'', native to Australia
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