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Dataset: All Collections
Taxa: Spirodela polyrrhiza (Spirodela polyrrhiza var. masonii, Lemna polyrrhiza)
Search Criteria: Wisconsin; Thomson; includes cultivated/captive occurrences
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University of Wisconsin-Madison, Wisconsin State Herbarium

WIS
Spirodela polyrrhiza (L.) Schleid.
v0227028WISThomson, John W., Jr.; Jacobson, J. R.   51631943-07-17
United States, Wisconsin, Douglas, In Big Lake on the Brule River, 46.48194224 -91.60374752
WIS
Spirodela polyrrhiza (L.) Schleid.
v0227914WISThomson, John W., Jr.   s.n.1941-07-09
United States, Wisconsin, Walworth, Williams Bay. Lake Como
WIS
Spirodela polyrrhiza (L.) Schleid.
v0223738WISThomson, John W., Jr.   s.n.1941-07-09
United States, Wisconsin, Walworth, Williams Bay. Lake Como, 42.60471054 -88.49214535
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Google Map

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