Feedback request: Potamogeton coloratus (E00707963)

[oldnick]

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Specimen #393851

Taxon:	Potamogeton coloratus Hornem. ("Fen Pondweed")
Filed in taxon folder:	Potamogeton coloratus Hornem. ("Fen Pondweed")
Collected by:	Mr Robert Castles Embleton
Locality:	Great Britain, VC68 North Northumberland, Embleton, NU22
ex herb:	Dr George Johnston Berwick Herbarium
Institution:	Royal Botanic Garden Edinburgh (E)
Accession number:	E00707963
Image:
fruits/flowers:	mature flowers

Inferred details are marked.

Documented by siandef on 24^th May 2015.

Checked by oldnick

Edit history

date	user	change
29/05/2015	xmhcman	Deleted provenance: exherb Dr Henry Halcro Johnston
29/05/2015	xmhcman	Deleted provenance: exherb Mr Robert Castles Embleton
29/05/2015	xmhcman	Added provenance: exherb Dr George Johnston

Specimen #393852

Taxon:	Potamogeton coloratus Hornem. ("Fen Pondweed")
Filed in taxon folder:	Potamogeton coloratus Hornem. ("Fen Pondweed")
Collected by:	Robert Dundas Thomson
Locality:	Great Britain, VC81 Berwickshire, Fernyrig, NT7940, Fernyrig Marsh
ex herb:	Dr George Johnston Berwick Herbarium
Institution:	Royal Botanic Garden Edinburgh (E)
Accession number:	E00707963
fruits/flowers:	no flowers

Documented by siandef on 24^th May 2015.

Checked by oldnick

Edit history

date	user	change
29/05/2015	xmhcman	Deleted locality: Fermeying
29/05/2015	xmhcman	Added locality: GB VC81 Fernyrig, Fernyrig Marsh NT7940 (place)
29/05/2015	xmhcman	Deleted collection date: 3/1903
29/05/2015	xmhcman	Deleted provenance: exherb Dr Henry Halcro Johnston
29/05/2015	xmhcman	Added provenance: exherb Dr George Johnston
27/08/2016	oldnick	Deleted collector: R.B. Thomson
27/08/2016	oldnick	Added collector: Robert Dundas Thomson

N.B. reporting of the edit history is currently fairly unclear and misleading. Most edits made to specimens appear as a pair of 'add' and 'delete' entries, which may not be together in the list. There are also often 'minor' edits, which are made automatically (rather than due to user activity), for example to merge synonym names.

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User comments about this sheet

oldnick wrote

Likely date? Thomson has a specimen in h@h of P gramineus from Fernyrig 1829. nb P coloratus was first found in Britain in 1790 at Frogden in Roxburghshire (New J Bot April 2016) Embleton's specimens in h@h date 1845 - 63.

[Roger Horton]

Could this be 1829 again?!

If the collector is Robert Dundas Thomson, later to be FRS, Wikipedia gives his life span as 21 Sept 1810 – 17 Aug 1864. In 1829 he would have been studying for his MD in Glasgow.

Evidently with botanical interests at an early age, in A Flora of Berwick-upon-Tweed, Volume 2 By George Johnston. 1831 under ADDITIONAL SPECIES, Tragopogon major it states:
"Frequent on the banks of the Tweed at Birgham and Lennel, and in the fields near Eccles," Mr R.D. Thomson.
...
For this very interesting addition to out wild plants, the botanist is solely indebted to Mr R. D. Thomson, son of the Rev. Mr Thomson of Eccles; and I have much pleasure in recording the discovery, - the more so as my young friend is a native of the county whose vegetable productions I have attempted to describe.