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Ceratophyllum demersum Ceratophyllaceae Rigid Hornwort
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Ceratophyllum demersum
© Ralph Forbes		 Ceratophyllum demersum
© Ralph Forbes		 Ceratophyllum demersum
© Alan Hill		 Ceratophyllum demersum
Map updated: March 2008
Species Description:
The commoner of the two hornworts in Northern Ireland. A submerged aquatic plant of lakes and drains, unevenly distributed about the Province, with one particular stonghold in Co. Down.
All names: Ceratophyllum demersum L.

© National Museums Northern Ireland, 2000-2009

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