Key to Tasmanian Dicots
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Spartina (Poaceae) 4b:330    
Spartina anglica (rice grass) is an introduced grass that has become a significant environmental weed. It grows on tidal flats and now dominates much of the Tamar estuary, as well as a number of other estuaries in the north and north-east. It is a large, erect grass (up to 1.5 m tall), with leaves spread up the stem. It can be confused with a native species from similar habits (Phragmites australis), but differs in its inflorescence. Phragmites has a large feathery inflorescence, whereas that of Spartina is composed of 2-6 narrow spikes.
 

 
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