Hypericum perforatum
Family Hypericaceae
Species Profile
| Species classification | Invasive [WoNS shortlist (pre-2012); NSW's Noxious Weeds] |
| Common names | Common St. John's Wort, Goat Weed, Klamath Weed, Perforate St. John's Wort, St. John's Wort |
| Synonyms | Information unavailable |
| Longevity | Perennial |
| Growth form | Herb |
| Seed dispersal morphology | Adhesive (burrs, sticky, awns, hairs etc) |
| Maximum height (m) | 1.2 |
| Capable of vegetative reproduction | Yes |
| Native range | North Africa, Asia, Europe |
| Exotic range (Australia) | ACT, NSW, NT, QLD, SA, VIC, WA |
| Exotic range (other) | North America, Oceania, southern Africa |
| Habitat types (exotic) | Agricultural land, Bushland, Disturbed areas (including trails), Forest, Grasslands, Pastures, Riparian systems, Roadsides, Woodlands |
| Soil type (exotic) | Most soil types |
| Decade of introduction | 1850 |
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
(Australia)
Recorded occurrences
(global)
Images
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