Potamogeton nodosus
Long-Leaf Pondweed
General
A perennial aquatic plant native to North America, often found submerged in freshwater habitats such as lakes, ponds, and slow-moving streams. It features long, slender stems with lance-shaped leaves that are arranged alternately along the stem. The plant forms dense underwater colonies and plays a significant role in aquatic ecosystems.
Plant Description
Exhibits long, slender stems that can reach several feet in length, supporting lance-shaped leaves that are typically translucent and slightly glossy. Its submerged foliage provides a delicate, feathery appearance in aquatic environments. The plant produces inconspicuous flowers that are greenish and clustered on spikes above the water surface during its bloom period.
Height (ft)
1-3'
Soil moisture
Submerged or floating in fresh water
Soil types
Obtains nutrients from water
Wetland indicator
OBL
Shade tolerance
Full Sun
Bloom color
Green
Bloom period
Late spring to early summer
Drought tolerance
Intolerant
Salinity tolerance
Low
Range
It can be found in freshwater habitats such as lakes, ponds, reservoirs, and slow-moving streams throughout much of the country. Specific distribution includes states from the eastern seaboard westward to the Great Plains, and into parts of the western United States.