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Celebrating 100 Years of Science! | 1925-2025

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A single Harperella plant in bloom with white flowers
Ptilimnium-nodosum-harperella
A pond covered in Nile cabbage (Pistia stratiotes) in South Luangwa National Park, Zambia.
Pistia stratiotes (Nile cabbage)
White bog orchid (Platanthera dilatata)
White bog orchid (Platanthera dilatata)
Marsh mallow being visted by multiple polinators.
Hibiscus moscheutos (Swamp rose mallow) with a…
Close up on a Whiter marsh hibiscus
Hibiscus waimeae (White Marsh Hibiscus) close up
Pan shot from moving car of marshland.
Marsh Movement
A quiet day on the marsh, wind moving the reeds.
Quiet marsh Spartina alterniflora (Smooth…
Water lilies in the Everglades at Royal Palm Visitor Center.
Water lilies
Marsh wide shot with sun reflecting off of glassy water.
Marsh wide shot with sun reflection
Sunset reflected on marsh waters.
Sunset on Marsh waters
Giant salvinia is an aquatic fern, native to south-eastern Brazil. It is a free floating plant that remains buoyant on the surface of a body of water, and is known for its capability to take over large bodies of slow-moving fresh water. The rapid growth rate of Giant Salvinia has resulted in its classification as an invasive weed in some parts of the world such as Australia, United Kingdom, New Zealand, and parts of America.
Salvinia molesta (Giant Salvinia)
Hymenachne was introduced into northern Queensland, Australia in the 1970s to use in ponded pastures. It escaped cultivation a few years after its release in 1988. It is spreading throughout the tropical wetlands of northern Australia and is most common in the coastal wetlands of northern Queensland and the Northern Territory.
Hymenachne amplexicaulis (Olive hymenachne)
This emergent aquatic, with its leaves and flowers above water and portions of the stem under water, is found typically in shallow, quiet water. The seeds can be eaten like nuts and the young leaf-stalks cooked as greens. Deer also feed on these plants. The common name suggests that this plant, as well as the fish known as pickerel, occupy the same habitat.
Pickeral rush (Pontederia cordata)
This emergent aquatic, with its leaves and flowers above water and portions of the stem under water, is found typically in shallow, quiet water. The seeds can be eaten like nuts and the young leaf-stalks cooked as greens. Deer also feed on these plants. The common name suggests that this plant, as well as the fish known as pickerel, occupy the same habitat.
Pickeral rush (Pontederia cordata) occupies…
Marsh rush (Scirpus spp.) plant, in Maryland.
Marsh rush (Scirpus spp.)
Illustration of Eichhornia crassipes (Water Hyacinth).
Eichhornia crassipes (Water Hyacinth)
Illustration of American Water Lotus bud (Nelumbo lutea).
Nelumbo lutea (American Water Lotus) : bud
Front view illustration of American Water Lotus flower (Nelumbo lutea).
Nelumbo lutea (American Water Lotus) : flower 1
Side-view illustration of American Water Lotus flower (Nelumbo lutea).
Nelumbo lutea (American Water Lotus) : flower 2
Illustration of American Water Lotus pad (Nelumbo lutea).
Nelumbo lutea (American Water Lotus) : pad
Illustration of American Water Lotus seed pod (Nelumbo lutea).
Nelumbo lutea (American Water Lotus) : seed pod
Illustration of White Water Lily flower (Nymphaea odorata flower).
Nymphaea odorata (White Water Lily) : flower
Illustration of White Water Lily pad (Nymphaea odorata).
Nymphaea odorata (White Water Lily) : pad
Illustration of the Ceratopteris spp.
Ceratopteris spp
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