Landcare Research - Manaaki Whenua

Landcare-Research -Manaaki Whenua

Dimeregramma maculatum fo. mercuryensis Foged

Dimeregramma maculatum fo. mercuryensis; image by Cathy Kilroy (NIWA)

Type slide

Coast, Coromandel Peninsula, North Island, New Zealand. Foged Collection, New Zealand No. 491/1966, Natural History Museum, Denmark.

Institution holding the type material


Known distribution

Coromandel, New Zealand


Not specified by the author


Differs from the type species by the somewhat smaller size of the valve and somewhat denser striae.

Diagnosis reproduced with kind permission of Koeltz Scientific Books.


Images published online with kind permission of the Natural History Museum of Denmark.

Funding from TFBIS (Terrestrial and Freshwater Biodiversity Information System), administered by the New Zealand Department of Conservation, is gratefully acknowledged.


Foged N 1979. Diatoms in New Zealand, the North Island. A. R. Gantner Verlag KG, Vaduz. 130 p.