Waterweeds

Question 1

Crofton Weed

Answer 1

Ageratina adenophora
Wind
HP (bag seeds)
C&P
1-3

Question 2

Spiny rush

Answer 2

Juncus acutus
Mud, Gravity
Mattock out (bag seeds)
Brushcutter and Spray
1-3

Question 3

Willow

Answer 3

Salix spp.
Fragmentation
C&P
Drill & Fill
6-12 (woody)

Question 4

Umbrella sedge

Answer 4

Cyperus eragrostis
Mud, Water
Crown out (bag seeds)
Spot spray
1-3

Question 5

Mist flower

Answer 5

Ageratina riparia
Wind
HP (bag seeds)
C&P
1-3

Question 6

Water primrose

Answer 6

Ludwigia peruviana
Explosive, attachment
HP (bag seeds)
C&P
Spray with correct permit
1-3

Question 7

Ginger Lily

Answer 7

Hedychium gardnerianum
Fauna
Crown out/Mattock
C&P
1-3

Question 8

Salvinia

Answer 8

Salvinia molesta
Water, fragmentation
Physical removal
Spray (permit)
*Daily

Question 9

Alligator weed

Answer 9

Alternanthera philoxeroides
Water, fragmentation
HP
Spray
*Monthly

Question 10

Lesser joyweed **Native

Answer 10

Alternanthera denticulata
Water, mud

Question 11

Native cyprus **Native

Answer 11

Cyperus polystachyos
Mud, water, gravity

Question 12

Sea rush **Native

Answer 12

Juncus kraussii
Water, gravity