Serrated tussock

Nassella trichotoma

Schedule 2 Restricted Matter

Biosecurity Queensland must be contacted within 24 hours of sighting, call: 13 25 23.

family

Poaceae

origin

Exotic

declaration

Category 1 Restricted Matter (Biosecurity Act 2014)

Category 1 Restricted Matter (Biosecurity Act 2014)

Category 1 – must be reported to a Queensland Government inspector within 24 hours

Common names

Nassella tussock, Yass River tussock, Yass tussock.

a tussock-forming, long-lived grass with very fine and highly inrolled leaves (less than 0.5 mm wide)., the margins of these leaves are very finely toothed, hence the common name 'serrated tussock'., stems and leaves are upright at first (20-70 cm tall), but become drooping or trailing in nature as they age., the seed-head is an open branched panicle (8-25 cm long) with many flower spikelets that are borne singly., these flower spikelets are elongated in shape (4-9 mm long) and topped with an awn (15-35 mm long)., the mature 'seed' has an obscure ring of tiny hairs where the bent and twisted awn attaches to the top of the seed.

Leaf arrangement:Simple
Leaf form:Whorled
Brown
Green

Impact

Impact

Serrated tussock (Nassella trichotoma) is one of the Weeds of National Significance (WoNS) in Australia, and is regarded as an environmental weed in Victoria, New South Wales, the ACT and  Tasmania.

Location

Location

Characteristics

Characteristics

Similar Species

Similar Species

Control Methods