Coefficient of Conservatism:
*
Coefficient of Wetness:
-5
Wetness Index:
OBL
Physiognomy:
Ad P-Forb
G. E. Crow
A native of the southeastern states, from Texas to Florida northward, this species has become established as far north as New England and southern Michigan, perhaps escaped from cultivation; it is a popular aquarium plant. It was first collected in 1935 in Kalamazoo Co.
This is our only aquatic vascular plant with opposite (rarely whorled) much-dissected leaves on distinct petioles (5–15 mm long on well-developed leaves). The palmate pattern of dissection results in a characteristic fan-shaped leaf.
Locations
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Kalamazoo County
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Oakland County
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St. Joseph County
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Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 29, 2022. https://michiganflora.net/species.aspx?id=689.