Ruffling parrot’s feathers: the biological control of Myriophyllum aquaticum

Myriophyllum aquaticum, commonly known as parrot’s feather
Myriophyllum aquaticum, commonly known as parrot’s feather, is an invasive aquatic weed. It can have roots underwater in depths of up to 1.5 metres with shoots that appear 20-50cm above the water surface. This makes it both a submerged and emergent plant. It is native to South America but is a popular garden and aquarium…
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