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Floating pennywort The plant grows in mats that cover the surface of waterways, raising the risk of flooding, and starving the water of light, nutrients and oxygen.
(Image: Trevor Renals.) |
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Australian swamp stonecrop Also known as the crassula plant, this Australian species destroys pond life by spreading like a sponge over the water surface.
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Dear All,
One biodiversity issue which has become ..... [More information]
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