Herbarium specimen: Potamogeton alpinus x praelongus = P. x griffithii
|Taxon:||Potamogeton alpinus x praelongus = P. x griffithii A. Benn.|
confirmed by George Taylor & James Edgar Dandy 1937
|Filed in taxon folder:||Potamogeton alpinus x praelongus = P. x griffithii A. Benn.|
|Locality:||Great Britain, VC49 Caernarvonshire, Llyn Anafon, SH66|
|ex herb:||Rev. Harry Joseph Riddelsdell|
Mr Allan Octavian Hume
|Institution:||South London Botanical Institute (SLBI)|
Inferred details are marked.
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Documented by johned on 13th April 2015.
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