Feedback request: Potamogeton obtusifolius (18427)

[chrisu]

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Specimen #281764

Taxon:	Potamogeton obtusifolius Mert. & W.D.J. Koch ("Blunt-leaved Pondweed") named by James Edgar Dandy 1962
Filed in taxon folder:	Potamogeton obtusifolius Mert. & W.D.J. Koch ("Blunt-leaved Pondweed")
Collected by:	Mr William Harrison Pearsall
Collection date:	8/1915
Locality:	Great Britain, VC69 Westmorland, Blelham Tarn, NY30
ex herb:	Mr Harold Stuart Thompson Mr Arthur Bennett
Institution:	University of Birmingham (BIRM)
Image:
fruits/flowers:	seeds/fruits

Inferred details are marked.

Documented by chrisu on 3^rd November 2009.

Edit history

date	user	change
23/01/2011	mikedaps	Deleted collector: W Pearsall
23/01/2011	mikedaps	Added collector: Mr William Harrison Pearsall

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

chrisu wrote

Have I got the correct location, should it be Lancashire or Westmorland?

[Mike d'Apice]

It certainly looks like Blelham Tarn which as it is in Westmorland now and VC 69 is Westmorland with Furness with 69b as Furness it seems sensible to record it as that. I had one earlier that was also labelled by the collector as Lancashire also in modern Westmorland...However from googling just found details of the "Lonsdale Hundred" one of the original six Lancastrian Hundreds which for ancient reasons includes an area, "the Furness peninsular" i.e. VC 69b in which your tarn lies, isolated in the middle of Westmorland! more at
http://en.wikipedia.org/wiki/Lonsdale_(hundred) for a start!

If the wiki info at
http://en.wikipedia.org/wiki/North_Lonsdale_Rural_District

is correct it was still in Lancashire as recently as 1974!

I put my one (See

http://herbariaunited.org/forum/viewtopic.php?t=2466 )

down as Westmorland as the data base doesn't seem to do 69b and noted it as Lancashire but would be interested in the definitive solution !

Mike d'A

[Tom Humphrey]

"Lake Lancashire" (in this case L. Lancashire) is an archaic reference to Westmorland (or possibly just VC 69b - I'm not certain). So in general 'Lake Lancashire' should be taken to mean 69 rather than VC60.

For the purposes of herb@home (partly for the sake of simplicity) no distinction has been drawn between VC69 and VC69b.

regards,

Tom