Fragrant Water Lily (Nymphaea odorata) Pink and White forms: A floating aquatic with fragrant white or pink flowers. Found in calm water. Blooms June - September. Location: Black Moshannon SP, PA.
Swamp Rose Mallow ( Hibiscus palustris): Similar to above but with pink petals. Location: Jug Bay Wetlands Sanctuary, MD.
American Water Willow (Justicia americana): Small white flowers with orchid/purple markings. Grows along banks of streams, rivers and lakes. Roots are always submerged. Location: Potomac River, Great Falls National Park. Photo by Ken Clark.
Golden Crest (Lophiola aura): A bog plant of the east coast from New Jersey south to Florida. Photo by Dimitri Tundra.
Swollen Bladderwort (Utricularia inflata): Note the swollen leaves that act as floats. Photo by Dimitri Tundra.
Golden Club (Orontium aquaticum): The clublike spadix is covered with tiny yellow flowers. Photo by Dimitri Tundra.
Bullhead Lily (Nuphar variegatum): Tough, leathery cup-like flowers. Leaves and flowers float. Blooms May - September. Location: Black Moshannon SP, PA.
Spatterdock (Nuphar advena): Similar to Bullhead Lily (above) but leaves and flowers are erect and above the water level. Location: Jug Bay Wetlands Preserve, MD.
Pickerelweed (Pontederia cordata): A true aquatic. Can grow 2-3 feet tall. Location: Billy Goat Tr, Great Falls NP, MD. Photo by Ken Clark.
Horned Bladderwort (Utricularia cornuta): Note the horns on this aquatic. Photo by Dimitri Tundra.
Spiked Purple Loostrife (Lythrum salicaria): An escaped ornamental capable of quickly covering vast wetland areas. Photo by Dimitri Tundra.
Purple Loosestrife (Lithrum virgatum): Alien. Similar to L. salicaria except the flowers are mostly in the leaf axils.
Wild Rice (Zizania aquatica): Grows in wetlands. Can reach a height of 9 feet. Simple white flowers on upper, erect branches are female. Flowers on drooping, lower branches are male. The grain is edible. Location: Jug Bay, Patuxent River, MD. Photo by Ken Clark.
Thread-leaved Sundew (Drosera filiformis): Small puple flowers and long sticky leaves make tis bog plant easy to identify. Photo by Dimitri Tundra.
Spatulate-leaves Sundew (Drosera intermedia): Leaves are longer than the Round-leaved Sundew that follows. Mostly found on the coastal plains of the region. Photo by Dimitri Tundra.
Climbing Hempweed or Boneset (Mikania scandens): Round clusters of Boneset-like flowers. Grows in marshy area, covering other plants. Location: Merkle Wildlife Sanctuary, MD.