Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Typhaceae ⟩ Sparganium angustifolium / floating bur-reed

Sparganium angustifolium Michx.

floating bur-reed (Typhaceae)

 SpreadBias within British IslesDirection of bias
WidespreadVery strong tendencyN
Plant Atlas 2020
BSBI Distribution Map

Sparganium angustifolium is widespread in upland lakes, but avoids the shallowest waters.

Stob Coire Sgrìodain (VC97: West Inverness); 2020-07-21

 floating bur-reed / Sparganium angustifolium: _Sparganium angustifolium_ is widespread in upland lakes, but avoids the shallowest waters.

The bracts of Sparganium angustifolium are far longer than the inflorescences; the stalk of the female head is partly fused to the main axis, and the male heads are fused together.

Stob Coire Sgrìodain (VC97: West Inverness); 2020-07-21

 floating bur-reed / Sparganium angustifolium: The bracts of _Sparganium angustifolium_ are far longer than the inflorescences; the stalk of the female head is partly fused to the main axis, and the male heads are fused together.

The leaves of Sparganium angustifolium are inflated towards the base, but otherwise flat, up to 5 mm wide, with 7–10 veins.

Stob Coire Sgrìodain (VC97: West Inverness); 2020-07-21

 floating bur-reed / Sparganium angustifolium: The leaves of _Sparganium angustifolium_ are inflated towards the base, but otherwise flat, up to 5 mm wide, with 7–10 veins.

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