And she really laid out the case for why we should be getting rid of phragmites… The main reason Phragmites spread so easily is because of the lengthy roots. can be confused with Phragmites due to their showy, feathery plumes. Regardless of its genetic status, common reed is creating a problem for many native species. Stands that have been around for long periods are intermingled with … However, they have smaller diameter stems, narrower and longer leaves, sometimes with a white mid … She’s been studying salt marshes for Mass Audubon for more than two decades. Taxonomy. Tall, dense stands: Decrease native plant biodiversity and wetland habitat, particularly for migrating waterfowl Reduce beach and shoreline use, view-sheds and values Alter the structure and function of marsh systems by changing species composition, nutrient cycles and hydrological regimes. Phragmites Control: Easily Kill Phragmites in your Pond or Lake Phragmites, also known as the common reed, is a large perennial grass typically found in temperate and tropical regions. The Problem Common reed has been invading agressively many tidal marshes and some inland wetlands. Native Phragmites usually has a reddish stem, often with black spots, and is smaller in stature with a different form of seed head. Disturbances are the main reason why the phragmites spread so quickly. Although common reed can be a problem … It is not clear how it was transported to North America from its native home in Eurasia. invasive Phragmites is genetically different from natural populations of this species. I talked to Liz Duff when I was researching this story. Phragmites is a genus of four species of large perennial reed grasses found in wetlands throughout temperate and tropical regions of the world. Why is non-native Phragmites a problem? Invasive Phragmites (European Common Reed) is an invasive plant causing damage to Ontario’s biodiversity, wetlands and beaches. No characteristics are completely reliable for distinguishing non-native from native Phragmites in the northeast. Phragmites were at one point considered an invasive and exotic species in North America, however, recent evidence has shown that the plants are … And the phragmites is a really tough invader that can come and crowd out the native marsh species. A major problem with Phragmites is it will continue to expand throughout the marsh until the marsh is a monoculture of Phragmites. Several species of ornamental grasses (Miscanthus spp.) If the conditions are right it can reach 15 feet. Phragmites are the tan/beige stems, blue-green coloured leaves and rigid stem (culm) with tightly clinging leaf sheaths (Swearingen and Saltonstall, 2010). Phragmites australis var. Native Phragmites. 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