Ambrosia psilostachya
Family Asteraceae
Species Profile
| Species classification | Invasive [NSW's Noxious Weeds] |
| Common names | Dunbible Weed, Herbe Solferino, Perennial Ragweed, Ragweed, Roman Wormwood, Western Ragweed |
| Synonyms | Ambrosia artemisiifolia L. (misapplication in Black, J.M. 1929) |
| Longevity | Perennial |
| Growth form | Herb |
| Seed dispersal morphology | Adhesive (burrs, sticky, awns, hairs etc) |
| Maximum height (m) | 2 |
| Capable of vegetative reproduction | Yes |
| Native range | North America |
| Exotic range (Australia) | NSW, QLD, SA, WA |
| Exotic range (other) | Asia, Europe, South America, Indian Ocean Islands, Pacific Ocean Islands |
| Habitat types (exotic) | Disturbed areas (including trails), Riparian systems, Roadsides, Wastelands |
| Soil type (exotic) | Sandy |
| Decade of introduction | 1900 |
National Climate Change Impact
Invasive Class 1
Species has increases in the area of suitable habitat and habitat suitability of observations 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
(Australia)
Recorded occurrences
(global)
Images
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