Potamogeton perfoliatus

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This species has been recorded at locations shown on this map.

See below for details of individual records.



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Red dots on the maps indicate individual records with an accuracy of 1 km or better. Black squares are centred in those 10 km squares of the national grid in which there is at least one record at 10 km accuracy.

Date Gridref Site Quantity Recorder Comment
1930 NR44 Islay (south-east): Lagavulin to Kildalton 0 Unknown (Atlas record)
1930 NR47 Islay (north-north-east): Caol Ila to Rubh'a'Mhail 0 Unknown (Atlas record)
1930 NR47 Islay (north-north-east): Caol Ila to Rubh'a'Mhail 0 Unknown (Atlas record)
1930 NR46 Islay (north-east): McArthur's Head to Caol Ila 0 Unknown (Atlas record)
1930 NR34 Oa (east): Risabus to Laphroaig 0 Unknown (Atlas record)
1930 NR26 Rhinns (central): Gorm to Gruinart 0 Unknown (Atlas record)
1930 NR49 Colonsay (north) 0 Unknown (Atlas record)
1930 NR39 Colonsay (mid) 0 Unknown (Atlas record)
1930 NR36 Islay (central north): Bridgend to Ballygrant 0 Unknown (Atlas record)
1930 NR27 Rhinns (north): Sanaig to Ardnave 0 Unknown (Atlas record)
1970 NR3895 Loch Fada, Colonsay 0 Clarke & Clarke Lochs, burns. Locally common. Harrison (1940) recorded it as one of the commonest forms found in Loch Fada.
1970 NR3898 Uragaig, Colonsay 0 Clarke & Clarke Lochs, burns. Locally common.
1970 NR3691 Garvard, Colonsay 0 Clarke & Clarke Lochs, burns. Locally common.
1987 NR36 Islay (central north): Bridgend to Ballygrant 0 Unknown (Atlas record)
1987 NR47 Islay NE or Jura W (=NR47) 0 Unknown (Atlas record)
1987 NR46 Islay E or Jura SW (=NR46) 0 Unknown (Atlas record)
1987 NR47 Islay (north-north-east): Caol Ila to Rubh'a'Mhail 0 Unknown (Atlas record)
1987 NR46 Islay (north-east): McArthur's Head to Caol Ila 0 Unknown (Atlas record)
1987 NR34 Oa (east): Risabus to Laphroaig 0 Unknown (Atlas record)
1987 NR24 Oa (west): Mull of Oa to Rubha Mor 0 Unknown (Atlas record)
1987 NR26 Rhinns (central): Gorm to Gruinart 0 Unknown (Atlas record)
1987 NR27 Rhinns (north): Sanaig to Ardnave 0 Unknown (Atlas record)
1987 NR39 Colonsay (mid) 0 Unknown (Atlas record)
24/06/1968 NR3463 Loch Skerrols 0 Graham, G.G.
26/06/1985 NR3766 Gleann Mhartuin 0 Stewart, N. includes part of 3765; from road 372656 along Gleann Mhartuin to S end of L.Finlaggan 379669; back to N of Gleann looking at some rocky areas
28/06/1985 NR3143 Risabus 0 Stewart, N. includes part of 3142; limestone crag 316437; limestone slate outcrops 319434; track 318431 to E end of loch 314430-314427
01/08/1986 NR4066 Loch nan Cadhan 0 Chamberlain, D.F., et al.
01/07/1987 NR2872 Ardnave (NR27W) 0 Matthews, J. =9/3458434
01/07/1987 NR2872 Ardnave Loch 0 Matthews, J.
20/07/1997 NR4066 Loch Ballygrant 0 Gulliver, R. & M.