Pictorial guide to the flora of the British Isles

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Alnus incana (L.) Moench

grey alder (Betulaceae)

 SpreadBias within British IslesDirection of bias
WidespreadSlight tendencyE
Plant Atlas 2020
BSBI Distribution Map

Alnus incana is an Arctic–Alpine tree that is not native to Europe west of the Alps, but is widely planted outside its native range.

Coldingham Moor (VC81: Berwickshire); 2015-08-08

 grey alder / Alnus incana: _Alnus incana_ is an <a href="aa.html">Arctic–Alpine</a> tree that is not native to Europe west of the Alps, but is widely planted outside its native range.

Female inflorescences, infected by the fungal pathogen Taphrina alni.

Coldingham Moor (VC81: Berwickshire); 2015-08-08

 grey alder / Alnus incana: Female inflorescences, infected by the fungal pathogen _Taphrina alni_.

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