Dry Tropics Biodiversity Group Inc.

(inform, educate, enthuse, implement)

 

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Townsville Weed Species Lists: | to brief notes on control | do not buy these plants |

Occurrence and effects... existing and potential environmental weeds of the Townsville City Council region:
List by Con Lokkers, Earthworks Environmental Services, May 1999

Symbols | Acacia | Eichornia | Opuntia | Solanum |

Symbols: top

Problems caused: (2-observed problem in region, 1-potential problem)

Occurrence by soil/landform types: (o-occasional, c-common)

sa-strangling/choking adult plants

ss-strangling/choking seedling plants

m-forms virtual monocultures, excluding almost all other plants

f-generates large fuel loads

n-nuisance to humans (eg thorns, dermatitis)

w-harmful to wildlife (eg poisonous, reduces dissolved oxygen levels)

old pl-old plain

rec all-recent alluvial

wetlnd-wetlands

bch fnt- beach front

mgv sp- mangroves/salt pans

bch rg/s-beach ridge/swale

col- colluvial

mtn-mountain

Current weed status:

 

Distribution/abundance status:

s-severe weed problem

m-medium importance

l-low importance

P-DNR declared plant in Townsville area

P2-all plants to be destroyed

P3-numbers to be reduced

2-distribution/abundance actively increasing

1-high potential for distribution/abundance increase

0-distribution/abundance stable, with limited potential for increase

 

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Species name

 

Common name

 

Form

Problems caused

(2-observed, 1-potential)

Currentweed status

Distrib.

abund.

status

Occurrence by soil/landform types

(o–occasional, c–common)

sa

ss

m

f

n

w

old

pl

rec

all

wet

lnd

bch

fnt

mgv

sp

bch

rg/s

col

mtn

Acacia farnesiana top

mimosa

shrub/tree

 

 

 

 

2

 

l

1

o

o

 

 

 

 

 

 

Acacia nilotica

prickly acacia

shrub/tree

 

1

1

1

1

 

m, P2

1

o

o

 

 

 

o

 

 

Acanthospermum hispidum

star burr

herb

 

1

 

 

2

 

l

0

o

o

 

 

 

 

 

 

Albizia lebbek1

Indian siris

tree

 

2

1

 

 

 

m

2

 

o

 

 

 

 

c

 

Alternanthera pungens

kahki weed

herb

 

1

2

2

 

 

m

0

c

c

 

 

 

c

c

 

Antigonon leptopus1

coral vine

vine

2

2

1

 

 

 

m

1

 

o

 

 

 

c

o

 

Argemone mexicana

Mexican poppy

herb

 

 

 

 

2

 

l

0

 

o

 

 

 

 

o

 

Argyreia nervosa

wood rose

vine

2

2

 

 

 

 

l

1

 

o

 

 

 

 

 

 

Bauhinia spp1

bauhinia

shrub/tree

 

1

 

 

 

 

l

1

o

o

 

 

 

 

 

 

Bidens pilosa

cobblers peg

herb

 

 

 

 

2

 

l

0

o

o

 

 

 

 

o

 

Bougainvillea sp

bougainvillea

vine

1

 

 

 

2

 

l

0

 

o

 

 

 

o

 

 

Brachiara mutica

para grass

grass

 

2

2

2

 

 

s

2

 

c

c

 

 

o

 

 

Bryophyllum spp1

mother of millions

herb

 

1

2

 

 

 

l

1

 

 

 

o

 

o

 

 

Cassia fistula1

golden cassia

tree

 

1

1

 

 

 

l

1

 

o

 

 

 

 

o

 

Catharanthus roseus1

periwinkle

herb

 

2

2

 

 

 

m

0

 

 

 

c

 

c

 

 

Cenchrus ciliata

buffel grass

grass

 

1

1

2

 

 

m

1

o

 

 

 

 

o

o

 

Cenchrus echinatus

Mossman river grass

grass

 

 

 

 

2

 

l

0

 

o

 

c

 

c

 

 

Clitoria terneata

butterfly pea

vine

2

2

1

 

2

 

s

1

o

c

 

 

 

 

c

 

Chloris virgata

purple-top chloris

grass

 

1

 

1

 

 

l

0

c

c

 

 

 

c

c

 

Cryptostegia grandiflora

rubber vine

vine

2

2

2

2

 

 

s, P3

2

o

c

c

 

 

o

o

 

Cyperus rotundus

nut grass

grass

 

2

 

 

 

 

l

0

c

c

c

 

 

c

c

 

Desmodium tortuosum

Florida beggar weed

herb

 

1

 

 

 

 

l

0

o

c

 

 

 

 

c

 

 

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