Cenchrus spinifex

Family Poaceae

Species Profile

Species classification Invasive [NSW's Noxious Weeds]
Common namesAmerican Burr Grass, Burgrass, Gentle Annie, Innocent Weed, Innocent-Weed, Mat Sandbur, Spiny Burr Grass, Spiny Burr-Grass
SynonymsCenchrus incertus M.A.Curtis; Cenchrus tribuloides L.
LongevityAnnual, Biennial
Growth formGraminoid
Seed dispersal morphologyAdhesive (burrs, sticky, awns, hairs etc)
Maximum height (m)0.8
Capable of vegetative reproductionNo
Native rangeCentral America, North America, South America
Exotic range (Australia)ACT, NSW, NT, QLD, SA, VIC, WA
Exotic range (other)Information unavailable
Habitat types (exotic)Agricultural land, Disturbed areas (including trails), Dry sclerophyll forest, Forest, Grasslands, Pastures, Roadsides, Wastelands, Wet sclerophyll forest, Woodlands
Soil type (exotic)Sandy
Decade of introduction1910

National Climate Change Impact

Invasive Class 3

The area of suitable habitat and the habitat suitability of observations, for this species, are projected to decrease or remain the same under RCP 8.5 2065 compared to current climate suitability.

Maps of Habitat Suitability & Recorded Occurrences

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Current suitable habitat

2035 suitable habitat
(RCP 8.5)

2065 suitable habitat
(RCP 8.5)

Recorded occurrences

Recorded occurrences


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