Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Haloragaceae ⟩ Myriophyllum aquaticum / parrot’s feather

Myriophyllum aquaticum (Vell.) Verdc.

parrot’s feather (Haloragaceae)

 SpreadBias within British IslesDirection of bias
WidespreadStrong tendencySE
Plant Atlas 2020
BSBI Distribution Map

Myriophyllum aquaticum is a South American aquatic that can escape from garden ponds and invade waterways; it is prohibited to spread it in the United Kingdom under Schedule 9 of the Wildlife and Countryside Act 1981.

Stadhampton (VC23: Oxfordshire); 2015-06-17

 parrot’s feather / Myriophyllum aquaticum: _Myriophyllum aquaticum_ is a South American aquatic that can escape from garden ponds and invade waterways; it is prohibited to spread it in the United Kingdom under <a href="sched9.html">Schedule 9</a> of the Wildlife and Countryside Act 1981.

Myriophyllum aquaticum has whorls of 5 leaves covered in sessile glands, and only female flowers.

Stadhampton (VC23: Oxfordshire); 2015-06-17

 parrot’s feather / Myriophyllum aquaticum: _Myriophyllum aquaticum_ has whorls of 5 leaves covered in sessile glands, and only female flowers.

All images copyright © Christopher J. Dixon unless otherwise indicated.

L-R: Bidens tripartita, Melilotus officinalis, Mimulus guttatus, Thalictrum flavum, Ranunculus peltatus, Anchusa arvensis, Malva alcea, Lolium perenne