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Populus tremuloides Observation Form
(quaking aspen)

Populus tremuloides (quaking aspen)
Submit Data Observations
Populus tremuloides Quaking aspen
Populus tremuloides
Station Number
Need a Station Number?
Observer Name
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State
1st flowers (BF)
Leaf sprouting (SL)
Leaf unfolding (UL)
Fruit ripe (FR)
Leaf coloring (CL)



Photo Credit: Kenneth J. Sytsma and Wisconsin State Herbarium


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© 2004 University of Wisconsin-Milwaukee
Last Updated: November 22, 2004

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