Weed Identification & Reporting

Invasive Weeds in Mareeba Shire

General Biosecurity Obligation

Under the QLD Biosecurity Act 2014, all landholders must take reasonable steps to prevent or minimise biosecurity risks. Some species are legally restricted and must be controlled.

Showing 10 of 10 weeds

Sicklepod

Senna obtusifolia

Category 3
Shrubs & TreesModerate to Control
Sicklepod (Senna obtusifolia) - identification photo

ID Reference Photo

Appearance

Erect shrub 0.5-2m, yellow flowers, sickle-shaped pods

Why It's a Problem

Invades grazing lands, toxic to cattle in large quantities

Where Found

Common on Mareeba plains, disturbed areas

Rubber Vine

Cryptostegia grandiflora

Restricted
Vines & ClimbersHard to Control

Restricted invasive plant - must take action

Rubber Vine (Cryptostegia grandiflora) - identification photo

ID Reference Photo

Appearance

Woody vine, shiny leaves, pink/white flowers, milky sap

Why It's a Problem

Smothers native vegetation, toxic to livestock

Where Found

Along waterways, Barron River system

Lantana

Lantana camara

Category 3
Shrubs & TreesHard to Control
Lantana (Lantana camara) - identification photo

ID Reference Photo

Appearance

Dense shrub, multi-coloured flower clusters (pink, orange, yellow)

Why It's a Problem

Forms dense thickets, toxic to livestock, fire hazard

Where Found

Widespread across the shire, road edges, neglected land

Pond Apple

Annona glabra

Restricted
Shrubs & TreesModerate to Control

Class 2 restricted

Pond Apple (Annona glabra) - identification photo

ID Reference Photo

Appearance

Small tree, heart-shaped fruit, grows in wet areas

Why It's a Problem

Invades wetlands, threatens native ecosystems

Where Found

Wet areas, creek banks

Giant Rat's Tail Grass

Sporobolus pyramidalis/natalensis

Category 3
GrassesModerate to Control
Giant Rat's Tail Grass (Sporobolus pyramidalis/natalensis) - identification photo

ID Reference Photo

Appearance

Tussock grass up to 1.5m, distinctive rat-tail seed heads

Why It's a Problem

Replaces productive pasture, unpalatable to livestock

Where Found

Grazing lands across Tablelands

Singapore Daisy

Sphagneticola trilobata

Category 3
Shrubs & TreesHard to Control
Singapore Daisy (Sphagneticola trilobata) - identification photo

ID Reference Photo

Appearance

Ground cover, yellow daisy-like flowers, shiny leaves

Why It's a Problem

Smothers native vegetation, very hard to eradicate

Where Found

Gardens, roadsides, spread by garden waste

Hymenachne

Hymenachne amplexicaulis

Restricted
AquaticHard to Control

Class 2 restricted

Hymenachne (Hymenachne amplexicaulis) - identification photo

ID Reference Photo

Appearance

Aquatic grass, grows in/near water

Why It's a Problem

Chokes waterways, displaces native wetland plants

Where Found

Tinaroo Dam area, creeks

Parthenium

Parthenium hysterophorus

Restricted
Shrubs & TreesModerate to Control
Parthenium (Parthenium hysterophorus) - identification photo

ID Reference Photo

Appearance

Erect herb 0.5-1.5m, small white flowers, deeply lobed leaves

Why It's a Problem

Toxic to livestock, causes dermatitis in humans, allergenic

Where Found

Disturbed areas, roadsides

Gamba Grass

Andropogon gayanus

Restricted
GrassesHard to Control

Class 2 restricted - must be controlled

Gamba Grass (Andropogon gayanus) - identification photo

ID Reference Photo

Appearance

Tall grass up to 4m, distinctive V-shaped seed heads

Why It's a Problem

Extreme fire risk (burns 8-10x hotter than native grass)

Where Found

Spreading in northern areas

Water Hyacinth

Eichhornia crassipes

Restricted
AquaticHard to Control
Water Hyacinth (Eichhornia crassipes) - identification photo

ID Reference Photo

Appearance

Floating aquatic, showy purple flowers, bulbous stems

Why It's a Problem

Blocks waterways, reduces oxygen, kills aquatic life

Where Found

Dams, slow-moving water

Report Invasive Weeds

Mareeba Shire Council

1300 308 461

For local weed management assistance

QLD Biosecurity

13 25 23

For serious biosecurity concerns

Report Online

www.daf.qld.gov.au/business-priorities/biosecurity

Also contact: Tablelands Regional Biosecurity Group