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An alga (Trentepohlia) on a tree
by Lairich Rig
for square NS8281
Category: Algae
Algae of the genus Trentepohlia are commonly found on trees and on rocks (there... (more)
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Algae Meadow, Exhibition Road, South Kensington
by A J Paxton
geograph for square TQ2679
The algae meadow is an installation by Seyi Adelekun & Wayward with the... (more)
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Algae on the River Ouse, near Barcombe Cross
by Malc McDonald
geograph for square TQ4415
Algae on the surface of the River Ouse in East Sussex. The algae had built up... (more)
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The shore of Strangford Lough, Ballyhaft, Newtownards (July 2019)
by Albert Bridge
geograph for square J5171
The shore of Strangford Lough, about 50 minutes after low water Killyleagh -... (more)
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Trentepohlia abietina
by Bob Harvey
for square TF0820
Once thought to be confined to the wetter, western, woodlands of the UK, this... (more)
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Algae, Donaghadee
by Albert Bridge
for square J5980
This looks like a green algae. It was among a large accumulation of seaweed, on... (more)
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Algae and sandstone, Cultra
by Albert Bridge
for square J4080
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An alga (Trentepohlia) on rock
by Lairich Rig
for square NS4381
Category: Algae
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Orange Algae
by Bob Harvey
for square TF0820
I think this is a heavy infestation of Trentepohlia abietina, a red-orange... (more)
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Algae on the Grand Union Canal at Kensal Town
by Malc McDonald
geograph for square TQ2482
A view westwards along the Grand Union Canal in the suburbs of North West... (more)
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Slime-covered pond, Belle Vue Park, Newport
by Jaggery
geograph for square ST3087
A film of green algae covers this small pond in Belle Vue Park in late May 2012.
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Patterns in the algae, Neath Canal near Resolven
by Jaggery
geograph for square SN8203
Viewed from the B4434 a short distance north of the Resolven boundary.... (more)
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Shirley Hills
by Peter Trimming
for square TQ3464
Trentepohlia (alga) on the bark of an old oak tree. It was obvious on the... (more)
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Algae on the Lune
by Karl and Ali
for square SD6176
In a backwater of the river the slight current had formed the floating green... (more)
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Algae on the boating lake in Regent's Park
by Bill Boaden
geograph for square TQ2782
The park keepers are doing their best to keep the water aerated, but the growth... (more)
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Seaweed and algae, Islandhill, Comber (June 2014)
by Albert Bridge
for square J4968
On the shore near the start of the path and causeway to Rough Island.
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Green slime on a drainage channel, Baglan
by Jaggery
geograph for square SS7491
Viewed from the edge of Baglan Way in early March 2012, so this colour is likely... (more)
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Blue green algae warning sign, Spade Oak lake
by David Hawgood
for square SU8887
Blue green algae, cyanobacteria, can produce a bloom on water surface which... (more)
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Algae-covered rhyne, East Hewish
by Jaggery
geograph for square ST3964
A rhyne is the local word for a drainage channel. One of many draining the North... (more)
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Seaweed - Ascophyllum nodosum, Vertebrata lanosa
by Lairich Rig
for square NS3377
Category: Seaweed
The seaweed with the large olive-green fronds is Knotted Wrack, Ascophyllum... (more)
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3-D printed plastic chair
by M J Richardson
for square NO4029
Part of the ‘Plastic: Remaking Our World’ exhibition at the V&A Dundee. The... (more)
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Grand Union Canal, Kensal Town
by Malc McDonald
geograph for square TQ2382
The Grand Union Canal in inner north west London. A film of green algae has... (more)
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Sea Defence Support
by Glyn Baker
for square SD3000
These wooden sleepers were part of the sea defences under the promenade. You can... (more)
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Blue Point, algae
by Mike Faherty
geograph for square NX3902
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Calshot, algae
by Mike Faherty
geograph for square SU4802
On the tideline at low tide.
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Green slime on the Eye in Melton Mowbray
by Jaggery
geograph for square SK7518
Viewed looking towards Leicester Road from The John Southerington Bridge... (more)
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Algae-covered rhyne, Locking
by Jaggery
geograph for square ST3659
A view east from The Bury Link along Hutton... ( more)
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Reen mystery (1), Whitson Court
by Jaggery
geograph for square ST3784
This is a view south along a reen (drainage channel) running parallel with the... (more)
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Fallen star
by Mick Garratt
for square SD7273
An oddity I came across while descending Ingleborough was several masses of a... (more)
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Algae-covered rocks, Preston Sands
by Derek Harper
for square SX8961
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Algae, Preston Sands
by Derek Harper
geograph for square SX8961
The clash of the vivid green and the red-brown sand makes an irresistible... (more)
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Pool and algae, Preston Sands
by Derek Harper
geograph for square SX8961
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Green and brown, Preston Sands
by Derek Harper
geograph for square SX8961
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Algae, Preston Sands
by Derek Harper
for square SX8961
A vivid green has bloomed along the seawall.
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Choked
by Ian Paterson
geograph for square TF1956
The algae blooming on the surface of the River Witham at Tattershall Bridge... (more)
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Algae on the River Welland in Stamford
by Richard Humphrey
geograph for square TF0306
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Flowstones inside Trough Cove
by Nigel Feilden
for square NO8781
Taken from the passage which runs SE by E/NW by W from the S entrance, at the... (more)
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Algae covered ditch on Coe Fen, Cambridge
by Richard Humphrey
geograph for square TL4457
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Pond in Gallowsbank Wood
by Oliver Dixon
geograph for square NY9463
Covered with a rather unattractive film of algae.
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Keeper's Pool
by Bill Boaden
geograph for square SP1096
Currently disfigured by growths of algae.
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Algae on The River Welland near Crowland
by Richard Humphrey
geograph for square TF2210
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Approach to Manor Farm
by Vieve Forward
geograph for square SU0798
The puddle covered in algae looks as if it hasn't been disturbed for a... (more)
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Seaweeds in Eòlaigearraidh harbour
by M J Richardson
for square NF7107
Three species of brown alga in clear water; they are adapted to grow at... (more)
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Molecey's Mill and the Granary, Market Deeping
by Richard Humphrey
geograph for square TF1209
Looking along an algae covered waterway towards this converted mill and granary... (more)
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Allt Coire Daraich
by Richard Dorrell
geograph for square NG4530
Just here, the river flows within a shallow gorge. At this point, the river does... (more)
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Blakey Ridge
by Pauline E
geograph for square SE6797
View from Daleside Road over the algaed drystone wall and Woodstock Bower.
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Welcome to Ingbirchworth Reservoir?
by Christine Johnstone
geograph for square SE2106
Dire warnings about deep water and blue green algae at the entrance to the... (more)
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Deposit of tufa formed in Red Sike
by Andrew Curtis
for square NY8129
A delicate bubble-like calcium deposit resulting from the actions of blue-green... (more)
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Algae on the foreshore
by Roger Jones
geograph for square TM1834
Not a pleasant place to walk.
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Rocky shore on the Arran Coastal Way
by M J Richardson
geograph for square NS0147
With an assortment of lichens and algae.
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