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Reed sweet grass

Botanical Name Glyceria maxima
Family Poaceae
Origin Europe

Identification

Erect grass, forming dense masses in wetlands. Distinctive brown seed heads, 1-1.5 m high, form in February.

Habitats

Wetland, lake edges.river banks and drains.

Impact to Biota and Ecosystems

Forms a dense mass in wet ground, dominating scene visually, and crowding out most native plants.

Dispersal Routes, Vectors, Infestation Sources

Floating mats can be dispersed by water movement.

Management

Management 

Physical Control  
Disposal  
Chemical Control

Spray with Glyphosate 20ml per litre of water with 20 ml of Penetrant per 10 litres of water.

Biological Control

 
Recommended Approach  

Early detection important where large wetlands may be at risk. Keep wetlands under observation.

Further Comment

Glyceria maxima is toxic to stock.