Feedback request: Potamogeton lucens x gramineus = P. x angustifolius (E00076614)

[Roger Horton]

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Specimen #394759

Taxon:	Potamogeton lucens x gramineus = P. x zizii W.D.J.Koch ex Roth ("Pondweed, Long-leaved")
Other name:	Potamogeton lucens x gramineus = P. x angustifolius J. Presl ("Long-leaved Pondweed")
Other name:	Potamogeton lucens x perfoliatus = P. x salicifolius Wolfg. ("Willow-leaved Pondweed") det. George Taylor & James Edgar Dandy 1938
Filed in taxon folder:	Potamogeton lucens x gramineus = P. x angustifolius J. Presl ("Long-leaved Pondweed")
Collected by:	Mr Edward Charles Wallace
Collection date:
Locality:	Great Britain, VC29 Cambridgeshire, Mepal, Hammonds Eau, TL48, Dyke
Institution:	Royal Botanic Garden Edinburgh (E)
Accession number:	E00076614
Image:
fruits/flowers:	no flowers

Inferred details are marked.

Documented by xmhcman on 2^nd June 2015.

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xmhcman wrote

If Dandy & Taylor in 1938 were right in describing this as × Potamogeton decipiens Nolte ex Koch should this now be Potamogeton lucens × perfoliatus = P. x salicifolius?