Azolla filiculoides (Water Fern)

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Information Sheet 22: Azolla filiculoides - Water Fern.  Centre for Ecology & Hydrology (CEH) 2004

Water fern - Azolla filiculoides - Angling Trust

Water Fern - Azolla filiculoides - Invasive Species Ireland website (March 2014)

Kelly, J. & Maguire, C.M. (2009) Azolla filiculoides Invasive Species Action Plan. Prepared for NIEA and NPWS as part of Invasive Species Ireland

Water fern, Azolla filiculoides - Under biological control in Ireland. Case Study 4. Invasive Species Ireland (2008)

Invasive Alien Species Fact Sheet: Azolla filiculoides - NOBANIS

 Azolla filiculoides, water fern - Invasive Alien Species in Northern Ireland website (March 2014)

Hill, M.P. & Cilliers, C.J. (1999) Azolla filiculoides Lamarck (Pteridophyta: Azollaceae), its status in South Africa and control. Hydrobiologia, 415: 203-206

Water Fern (Azolla filiculoides) Fact Sheet - Sussex Wildlife Trust

Invasive Species Compendium: Azolla filiculoides (Water Fern) - CABI website (March 2014)

Azolla. Integrated control approaches - Tasmania Department of Primary Industries, Water and Environment.

Gassmann, A., Cock, M.J.W., Shaw, R. & Evans, H.C.(2006) The potential for biological control of invasive alien aquatic weeds in Europe: a review. Hydrobiologia, 570(1): 217-222

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