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Potamogeton illinoensis
Potamogeton illinoensis Morong
Illinois Pondweed
Potamogetonaceae (Pondweed Family)
Synonym(s): Potamogeton angustifolius, Potamogeton heterophyllus, Potamogeton lucens
USDA Symbol: POIL
USDA Native Status: L48 (N), CAN (N)
Plant Characteristics
Duration: PerennialHabit: Herb
Breeding System: Flowers Bisexual
Fruit Type: Drupe
Size Notes: Stems submersed, up to about 4 feet long.
Leaf: Leaves submersed and floating, or submersed only.
Fruit: Drupaceous.
Bloom Information
Bloom Color: GreenBloom Time: Jun , Jul , Aug , Sep , Oct , Nov
Distribution
USA: AL , AR , AZ , CA , CO , CT , DC , DE , FL , GA , IA , ID , IL , IN , KS , KY , MA , MD , MI , MN , MO , MS , MT , NC , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , SC , SD , TX , UT , VA , VT , WA , WI , WV , WYCanada: NS
Growing Conditions
Aquatic: yesNational Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | OBL | OBL | OBL | OBL | OBL | OBL | OBL | OBL |
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Nueces River Authority - Uvalde, TX
Web Reference
Webref 30 - Calflora (2018) CalfloraWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Potamogeton illinoensis in USDA PlantsFNA: Find Potamogeton illinoensis in the Flora of North America (if available)
Google: Search Google for Potamogeton illinoensis
Metadata
Record Modified: 2023-05-02Research By: TWC Staff