Interim profile, incomplete information
General Impact
Cyperus rotundus is reported mostly as a pest of agriculture land and lawns. It may also be invasive in disturbed habitats. It is listed on the New Zealand noxious weed list and sales of this species are banned in New Zealand.
It is also a pest on Christmas Island, Australia (Swarbrick 1997, in PIER 1999).
In a risk assessment prepared for Australia C. rotundus scored a total of 13 (reject). It is highly suited to the Australian climates and has a history of repeated introductions outside of its native range. It is an agricultural weed and a known host of pathogens and pests (PIER 2001).
No Impact information recorded for Cyperus rotundus
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