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| Pictorial guide to the flora of the British Isles
| Viola tricolor is found in a wide range of grassland types. Oxford (VC23: Oxfordshire); 2008-07-15 |  |  | Blue-flowering form Lowther Hills (VC72: Dumfriesshire); 2013-08-19 |  |  | White/yellow-flowering form Frilford (VC22: Berkshire); 2014-04-16 |  |  | Viola tricolor subsp. curtisii, a maritime form with rhizomes Newborough (VC52: Anglesey); 2007-10-10 |  |  All images copyright © Christopher J. Dixon unless otherwise indicated. | 
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