Centaurea solstitialis

Family Asteraceae

Species Profile

Species classification Invasive [NSW's Noxious Weeds]
Common namesGeeldissel, Golden Star Thistle, St. Barnaby's Thistle, Yellow Centaury, Yellow Cockspur, Yellow Star Thistle
SynonymsInformation unavailable
LongevityAnnual, Biennial, Perennial
Growth formHerb
Seed dispersal morphologyWing/Achene/Pappus, Adhesive (burrs, sticky, awns, hairs etc)
Maximum height (m)1
Capable of vegetative reproductionNo
Native rangeNorthern Africa, Asia, Europe
Exotic range (Australia)NSW, QLD, SA, TAS, VIC, WA
Exotic range (other)North America
Habitat types (exotic)Agricultural land, Disturbed areas (including trails), Grasslands, Pastures, Roadsides, Wastelands
Soil type (exotic)Loamy, Silt, Well drained
Decade of introduction1850

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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