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Giant hogweed leaves near Broomhill Way
by Derek Harper
for square SX9066
The very unpleasant Heracleum mantegazzianum continues to thrive beside... (more)
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Giant Hogweed on Black Bank
by Jonathan Hutchins
geograph for square SJ8247
This stand of plants, about seven to eight feet tall, is alongside the Black... (more)
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Giant Hogweed at Bateswood Country Park
by Jonathan Hutchins
geograph for square SJ7948
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Giant Hogweed in flower, Myton, Warwick
by Robin Stott
geograph for square SP2965
This is a recurring stand of Giant Hogweed (Heracleum mantegazzianum) by the... (more)
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Giant Hogweed (Heracleum montegazzianum)
by Anne Burgess
for square NJ3464
Everyone knows about the evil nature of this invasive alien plant. Shame it... (more)
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Giant Hogweed Erdadication
by valenta
geograph for square NH7673
There were signs posted by the track at Tarbat Mains warning of an area of Giant... (more)
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Mears Coppice, beside Dunn's Bank, Lye - With a monstrous infestation
by Oliver Mills
geograph for square SO9385
Oh, Oh, The horrors!
Here there be an overwhelming colony of Giant Hogweed on... (more)
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Giant Hogweed meets its end in Brindley's field, southeast Warwick
by Robin Stott
geograph for square SP2965
Worryingly, Giant Hogweed (Heracleum mantegazzianum) has appeared in this... (more)
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Giant Hogweed in Trent Park, Cockfosters, Hertfordshire
by Christine Matthews
for square TQ2997
Farmland in Trent Park, with some Giant Hogweed on the edge of the field.
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Stand of Giant Hogweed on the banks of the River Avon, Myton
by Robin Stott
geograph for square SP2965
The band of coarse foliage across the centre of the photo is a stand of Giant... (more)
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Giant Hogweed at Gogarburn
by M J Richardson
geograph for square NT1672
A vast forest of the stuff [Heracleum mantegazzianum] by the tram line at... (more)
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A visit to dead giants
by Robin Stott
geograph for square SP2965
On the south bank of the Avon in my home square are a couple of abandoned... (more)
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Mears Coppice, Lye (with impending badness)
by Oliver Mills
geograph for square SO9284
No, I must not continue along the course of the River Stour, for the path is... (more)
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Giant Hogweed Seedhead in Trent Park, Cockfosters, Hertfordshire
by Christine Matthews
for square TQ2997
There was a lot of Giant Hogweed at the edge of the field.
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Giant Hogweed with Oilseed Rape in Trent Park, Cockfosters, Hertfordshire
by Christine Matthews
for square TQ2997
There was a lot of Giant Hogweed on the edge of the field.
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Giant Hogweed gone to seed
by M J Richardson
geograph for square NT1672
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Giant Hogweed, Barton tip
by Derek Harper
geograph for square SX9066
This year's crop of the unwelcome noxious plant beside bridleway TQ/8z. See... (more)
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Plant skeletons next to Meanwood Beck, Leeds
by Humphrey Bolton
for square SE2935
I think these are probably dead giant hogweed stems. They are about two metres high.
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Giant Hogweed near Barton landfill
by Derek Harper
for square SX9066
I hope whatever attacked this plant, be it human or dog, is okay, as contact... (more)
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Giant hogweed, Newport Wetlands
by Robin Drayton
for square ST3383
A warning notice and tape for this non-native invasive plant which can cause burns.
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A bit of a jungle
by Richard Sutcliffe
for square NS5472
This corner of the graveyard at New Kilpatrick Parish Church is getting rather... (more)
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Giant hogweed and Japanese knotweed
by Christine Johnstone
geograph for square SE3621
On the south-east bank of the River Calder, near Kirkthorpe.
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Former railway bridge over the River Kelvin
by Richard Sutcliffe
geograph for square NS5666
The bridge was built for the Lanarkshire and Dunbartonshire Railway in about... (more)
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Giant hogweed (Heracleum mantegazzianum)
by Bill Harrison
geograph for square NJ7424
The notorious "blistering" plant (see:... (more)
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Giant hogweed near the County Court
by Derek Harper
for square SX9066
It may be a very noxious plant, but Heracleum mantegazzianum is rather majestic,... (more)
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Giant hogweed, Gallows Gate
by Derek Harper
for square SX8764
A suitably lugubrious spot for one of the more unpleasant wild plants around;... (more)
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Giant Hogweed near Barton landfill
by Derek Harper
for square SX9066
A light scattering of cherry blossom petals is insufficient to disguise these... (more)
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Giant Hogweed near Barton landfill
by Derek Harper
geograph for square SX9066
Once again a crop of Heracleum mantegazzianum, of which this is currently the... (more)
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Giant Hogweed in emergence, Mears Coppice, Lye
by Oliver Mills
for square SO9385
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Giant Hogweed near the New Harbour
by Lairich Rig
geograph for square NS4865
(Heracleum mantegazzianum)
The plants were well over six feet tall. For the... (more)
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Giant Hogweed flourishing by the river, Clyde Street, Glasgow
by Robin Stott
for square NS5964
A typical situation for Heracleum mantegazzianum, but unexpected in a city.
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Looking across Loch Gilp
by M J Richardson
geograph for square NR8686
From the eastern side. With young plants of the Giant Hogweed, an invasive alien... (more)
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Giant hogweed near the County Court
by Derek Harper
for square SX9066
Heracleum mantegazzianum is becoming increasingly profuse on either side of... (more)
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Colony of Giant Hogweed in flower by the River Avon, Myton, Warwick
by Robin Stott
geograph for square SP2965
Heracleum mantegazzianum. Up to 2 metres high. Don't touch. Report to... (more)
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Giant hogweed near the County Court
by Derek Harper
for square SX9066
A late flower on the noxious weed, Heracleum mantegazzianum.
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Giant hogweed near the County Court
by Derek Harper
for square SX9066
This year's crop of the dangerous Heracleum mantegazzianum about to burst... (more)
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Giant hogweed along the Peddars Way
by Mat Fascione
for square TL9482
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Giant hogweed on the Grand Union Canal towpath
by Mat Fascione
geograph for square SP6196
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Giant Hogweed by the River Avon, Myton, south Warwick
by Robin Stott
geograph for square SP2965
If there is a flood, the seeds of Heracleum mantegazzianum will be carried... (more)
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Giant Hogweed on the riverbank, Myton, Warwick
by Robin Stott
geograph for square SP2965
There's been no check on this stand of the alien Heracleum mantegazzianum... (more)
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Dead flower stalks of Giant Hogweed by the River Avon, Myton, Warwick
by Robin Stott
geograph for square SP2965
This species, Heracleum mantegazzianum, is able to spread along rivers where its... (more)
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Dead flower stalks of Giant Hogweed by the River Avon, Myton, Warwick
by Robin Stott
geograph for square SP2965
This species, Heracleum mantegazzianum, is able to spread along rivers where its... (more)
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Giant Hogweed
by Derek Harper
for square SX9066
Heracleum mantegazzianum makes its regular appearance beside bridleway TQ/8z.
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Giant Hogweed
by M J Richardson
for square NT9452
Category: Flora
Heracleum mantegazzianum, a spectacular and invasive alien from the Caucasus,... (more)
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The River Yeo
by David Lally
for square ST5720
From Mudford Bridge. A fine specimen of giant hogweed stands guard.
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Swans nesting between Wakefield's two bridges
by Christine Johnstone
geograph for square SE3320
On a low island below the weir, next to the giant hogweed.
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Giant hogweed on the south bank of the Calder
by Christine Johnstone
geograph for square SE3320
Just downstream from Wakefield's Chantry bridge.
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Giant hogweed in riverbank woodland
by Christine Johnstone
geograph for square SE3521
On the south bank of the River Calder, downstream from Kirkthorpe weir.
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Giant Hogweed
by Derek Harper
for square SX9066
Heracleum mantegazzianum flourishing by the remade bridleway TO/8z/1 from... (more)
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University of Glasgow
by Richard Sutcliffe
geograph for square NS5666
Seen from the old railway bridge over the River Kelvin. In the middle distance... (more)
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