Xanthium spinosum

Family Asteraceae

Species Profile

Species classification Invasive [NSW's Noxious Weeds]
Common namesBathurst Burr, Dagger Cocklebur, Daggerweed, Prickly Burweed, Spiny Burweed, Spiny Clotbur, Spiny Cocklebur, Thorny Burweed
SynonymsXanthium ambrosioides Hook. & Arn.
Growth formHerb
Seed dispersal morphologyAdhesive (burrs, sticky, awns, hairs etc), Hydrochorous (buoyant seed)
Maximum height (m)1
Capable of vegetative reproductionNo
Native rangeSouth America
Exotic range (Australia)NSW, NT, QLD, SA, TAS, VIC, WA
Exotic range (other)Africa, Europe, Mediterranean, North America, Oceania
Habitat types (exotic)Agricultural land, Disturbed areas (including trails), Floodplains, Grasslands, Pastures, Riparian systems, Wetlands, Woodlands
Soil type (exotic)Fertile, Most soil types, Sandy
Decade of introduction1830

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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