Collecting site

Llyn Ogwen, Caernarvonshire (Caernarvon, Carnarvonshire, Arfon), North Wales, United Kingdom

latitude: 53.116669     53 07 00 N
longitude: -4     004 00 00 W

[Precision of location: Alexandria Digital Library (with NGA GNDB data)]
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication]

Collected here:

Stenostomum grabbskogense	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Stenostomum leucops	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Stenostomum unicolor	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Prorhynchus stagnalis	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Geocentrophora baltica	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Geocentrophora sphyrocephala	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Microdalyellia armigera	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Gieysztoria infundibuliformis	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Castrada luteola	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Castrada neocomensis	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Castrada viridis	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Strongylostoma elongatum	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Rhynchomesostoma rostratum	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Gyratrix hermaphroditus	Nov 1968 - Oct 1969	littoral		calcium poor lake (0.4 mg/l).
Gieysztoria infundibuliformis	Jul 1969			littoral zone of upland, calcium-poor 'unproductive' lakes in Caernarvonshire, N. Wales.