Azolla filiculoides or Red Azolla is one of only two locally indigenous floating ferns. They are small – 1-2cm wide – and fan shaped. They have spread very quickly in the Southern Wetlands, forming a red/green carpet. Their long roots hang down under the water. Azolla is very beneficial to aquatic environments as cover for tadpoles, a food source for insects, cleaning up water by using nutrients in the water column, controlling mosquitos and discouraging algal growth. And on top of this, they look spectacular!
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