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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")
det. George Taylor & James Edgar Dandy 1960
Filed in taxon folder:Potamogeton perfoliatus x crispus = P. x cooperi (Fryer) Fryer ("Cooper's Pondweed")
Collected by:Mr Alfred Fryer
Collection date:22/8/1892
Locality:Great Britain, VC29 Cambridgeshire, Parson Ware Drove, Benwick, TL38, Ditch by Parsonware Drove
ex herb:Rev. Augustin Ley
Institution:University of Birmingham (BIRM)
Image:Potamogeton perfoliatus x crispus = P. x cooperi herbarium specimen from Parson Ware Drove, Benwick, VC29 Cambridgeshire in 1892 by Mr Alfred Fryer.
collector's number:2167
fruits/flowers:no flowers
notes:Growing with P crispus and P perfoliatus. This, like P decipiens, is a variable hybrid.

Inferred details are marked.

Related specimens

Other specimens with similar collection dates, collectors or localities.

 taxonlocalitycollectorsdateinstitution
+Potamogeton perfoliatus x crispus = P. x cooperiGB, VC29 Cambridgeshire, Parson Ware Drove, BenwickAlfred Fryer28/7/1892BIRM
+Potamogeton perfoliatus x crispus = P. x cooperiGB, VC29 Cambridgeshire, Parson Ware Drove, BenwickAlfred Fryer22/8/1892BIRM
+Potamogeton perfoliatus x crispus = P. x cooperiGB, VC29 Cambridgeshire, Parson Ware Drove, BenwickAlfred Fryer28/7/1892BIRM
+Potamogeton perfoliatus x crispus = P. x cooperiGB, VC29 Cambridgeshire, Parson Ware Drove, BenwickAlfred Fryer28/7/1892MANCH

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Documented by nacs12 on 2nd April 2010.

Checked by oldnick

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