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Herbarium specimen: Potamogeton perfoliatus x crispus = P. x cooperi

Taxon:Potamogeton perfoliatus x crispus = P. x cooperi (Fryer) Fryer ("Cooper's Pondweed")
named by George Taylor & James Edgar Dandy
Collected by:Mr Alfred Fryer
Collection date:31/8/1892
Locality:Great Britain, VC58 Cheshire, River Dee 12 miles above Chester
Institution:University of Birmingham (BIRM)
Accession number:BIRM.tpd.temp.2192
notes:Cultivated root from the River Dee 12 miles above Chester.

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