Waterway Weeds - Bushland Weeds and Native Lookalikes

Juncus kraussii - Sea rush

Native

Dispersal: Fauna

Cyperus polystachyos - Native cyperus

Native

Dispersal: Water

Alternanthera denticulata - Lesser joyweed

Native

Dispersal: Fragmentation

Juncus acutus - Spiny rush

Weed

Dispersal: Water

Juvenile: Crown

Mature: Slash back and spray new growth

Follow-up: 3-6 months

Cyperus eragrostis - Umbrella sedge

Weed

Dispersal: Water, mud

Juvenile: Crown

Mature: Deseed and crown, or cut and paint

Follow-up: 3 months

Salix spp. - Willow

Weed

Dispersal: Water

Juvenile: Cut and paint, remove all material

Mature: Drill and fill

Follow-up: 12 months

Ludwigia peruviana - Water primrose

Weed

Dispersal: Attachment

Juvenile: Hand pull

Mature: Deseed, hand pull, remove as much material as possible

Follow-up: 1-3 months

Ludwigia peruviana - Water primrose

Weed

Dispersal: Attachment

Juvenile: Hand pull

Mature: Deseed, hand pull, remove as much material as possible

Follow-up: 1-3 months

Hedychium gardnerianum - GInger lily

Weed

Dispersal: Dumping

All: Crown rhizome and raft, saw off lateral roots

Mature: Scrape and paint the rhizome

Follow-up: 3-6 months

Ageratina adenophora - Crofton weed

Weed

Dispersal: Wind

Juvenile: Hand pull

Mature: Deseed, cut and paint

Follow-up: 3 months

Ageratina riparia - Mist flower

Weed

Dispersal: Water

Juvenile: Hand pull

Mature: Deseed, deflower, cut and paint

Follow-up: 1-3 months

Salvinia molesta - Salvinia

Weed

Dispersal: Fragmentation

Juvenile or mature: Manual removal with boats, boom arms, etc.

Juvenile or mature: Spray

Follow-up: Weekly

Alternanthera philoxeroides - Alligator weed

Weed

Dispersal: Fragmentation

All: Manual removal, bagging all materials for secure disposal

All: Spray

Follow-up: 1-3 months