Key to Tasmanian Dicots
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Ferns & fern allies

Not aquatic

Not filmy ferns

Not Schizaea

Leaves not simple

Leaves once divided

Not discrete leaflets

Dimorphic

Strongly dimorphic

Small basal pinnae

Larger fern
longest sterile pinnae more than 4cm long, light green and soft textured

Blechnum nudum
   
longest sterile pinnae less than 3.2cm long, dark green and firm textured

Blechnum chambersii
 
University of Tasmania
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