Flooding and its effects and on trees, Table 2

TABLE 2

Relative tolerance of Illinois trees to flooding during the growing season. (Source: Bell and Johnson 1974).
NOTE: Flood tolerance categories in Table 2 differ from Table 1 in both name and definition.

Species Common Name Tolerant¹ Somewhat
Tolerant² Slightly
Tolerant³ Intolerant⁴

Acer negundo Boxelder X

Acer saccharinum Silver maple X

Carya ovata Shagbark hickory X

Carya tomentosa Mockernut hickory X

Celtis occidentalis Hackberry X

Cercis canadensis Redbud X

Crataegus mollis Downy hawthorn X

Diospyros virginiana Persimmon X

Juglans nigra Black walnut X

Fraxinus pennsylvanica Green ash X

Gleditsia triacanthos Honeylocust X

Platanus occidentalis Sycamore X

Populus deltoides Eastern cottonwood X

Prunus serotina Black cherry X

Quercus alba White oak X

Quercus bicolor Swamp white oak X

Quercus impricaria Shingle oak X

Quercus macrocarpa Bur oak X

Quercus palustris Pin oak X

Quercus rubra Red oak X

Quercus velutina Black oak X

Salix nigra Black willow X

Sassafras albidum Sassafras X

Ulmus americana American elm X

¹ Tolerant: most individuals survived more than 150 days of flooding during the growing season.
² Somewhat Tolerant: some individuals killed by less than 90 days of flooding and some individuals survived greater than 150 days of flooding.
³ Slightly Tolerant: most individuals survived more than 50 days but less than 100 days of flooding.
⁴ Intolerant: severe effects with less than 50 days of flooding.

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Relative tolerance of Illinois trees to flooding during the growing season. (Source: Bell and Johnson 1974). NOTE: Flood tolerance categories in Table 2 differ from Table 1 in both name and definition.

Species	Common Name	Tolerant¹	Somewhat Tolerant²	Slightly Tolerant³	Intolerant⁴

Acer negundo	Boxelder	X
Acer saccharinum	Silver maple	X

Carya ovata	Shagbark hickory		X
Carya tomentosa	Mockernut hickory			X
Celtis occidentalis	Hackberry		X
Cercis canadensis	Redbud		X
Crataegus mollis	Downy hawthorn	X

Diospyros virginiana	Persimmon	X

Juglans nigra	Black walnut		X

Fraxinus pennsylvanica	Green ash		X

Gleditsia triacanthos	Honeylocust	X

Platanus occidentalis	Sycamore	X
Populus deltoides	Eastern cottonwood	X
Prunus serotina	Black cherry				X

Quercus alba	White oak			X
Quercus bicolor	Swamp white oak	X
Quercus impricaria	Shingle oak		X
Quercus macrocarpa	Bur oak	X
Quercus palustris	Pin oak	X
Quercus rubra	Red oak			X
Quercus velutina	Black oak				X

Salix nigra	Black willow	X
Sassafras albidum	Sassafras				X

Ulmus americana	American elm		X