Key to Tasmanian Dicots
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ISOETACEAE

Isoetes

plant immersed in permanent running waters, leaves at least 25 cm long, 2-3mm in diameter

Isoetes elatior

   
plant in still and/or semi-permanent water, leaves less than 2mm in diameter, usually less than 25cm long
 
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Contact: Greg.Jordan@utas.edu.au