Gomphonema acuminatum, capitatum, coronatum, gracile, micropus, parvulum, subclavatum, truncatum are all freshwater species. Gomphonema often grows on mucilagenous stalks in water that is near neutral pH.
Gomphonema, species undetermined. Found in core TL1 at Three Lakes, at 5.99 m depth.
Gomphonema acuminatum, capitatum/truncatum, gracile, micropus, parvulum, truncatum, found in diatomite deposit at Three Lakes, core TL5, at 3.6 to 3.7 m depth.
Gomphonema coronatum, micropus, parvulum, subclavatum, truncatum in TL1 at 5.77 m depth.
Gomphonema subclavatum in TL1 at 5.99 m depth.
See Gomphonema on Algaebase or
Diatoms.org or on the
Natural History Museum of Wales website.