Alternanthera philoxeroides
Family Amaranthaceae
Species Profile
| Species classification | Invasive [Weeds of National Significance; WoNS shortlist (pre-2012); NSW's Noxious Weeds] |
| Common names | Alligator Grass, Alligator Weed, Alligatorweed, Mukuna-menna, Pannankarni, Pig Weed |
| Synonyms | Achyranthes paludosa Bunbury; Achyranthes philoxeroides (Mart.) Standl.; Alternanthera philoxerina Suess.; Alternanthera philoxeroides f. acutifolia (Moq.) Pedersen; Alternanthera philoxeroides f. angustifolia Suess.; Alternanthera philoxeroides var. acutifolia (Moq.) Hicken; Alternanthera philoxeroides var. lancifolia Chodat; Alternanthera philoxeroides var. luxurians Suess.; Alternanthera philoxeroides var. obtusifolia (Mart.) Hicken; Alternanthera philoxeroides var. phyllantha R.E.Fr.; Alternanthera philoxeroides var. platyphylla (Seub.) R.E.Fr.; Bucholzia philoxeroides Mart.; Bucholzia philoxeroides var. acutifolia Mart.; Bucholzia philoxeroides var. obtusifolia Mart.; Celosia amphibia Salzm. ex Moq.; Mogiphanes philorexoides D. Parodi; Telanthera philoxeroides (Mart.) Moq.; Telanthera philoxeroides var. acutifolia (Mart.) Moq.; Telanthera philoxeroides var. denticulata Seub. in C. Martius; Telanthera philoxeroides var. linearifolia Chodat; Telanthera philoxeroides var. obtusifolia (Mart.) Moq. |
| Longevity | Perennial |
| Growth form | Herb, Aquatic, Semi-terrestrial |
| Seed dispersal morphology | Information unavailable |
| Maximum height (m) | 0.6 |
| Capable of vegetative reproduction | Yes |
| Native range | South America |
| Exotic range (Australia) | QLD, NSW, ACT, VIC, WA |
| Exotic range (other) | Asia, North America, Pacific Ocean Islands, Europe, Atlantic Ocean Islands |
| Habitat types (exotic) | Agricultural land, Water bodies, Wetlands, Riparian Systems, Urban areas, gardens and parks |
| Soil type (exotic) | Aquatic |
| Decade of introduction | 1940 |
Rating [?]
| Climate scenario | Australia | ACT | NSW | NT | QLD | SA | TAS | VIC | WA |
|---|---|---|---|---|---|---|---|---|---|
| Current climate | 30 | 22 | 38 | 0 | 30 | 8 | 18 | 32 | 26 |
| RCP 8.5 2050 | 30 | 18 | 46 | 0 | 30 | 4 | 24 | 30 | 24 |
| RCP 8.5 2070 | 30 | 28 | 38 | 0 | 36 | 4 | 20 | 26 | 24 |
Maps of Habitat Suitability & Recorded Occurrences
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Current suitable habitat
2050 suitable habitat
(RCP 8.5)
2070 suitable habitat
(RCP 8.5)
Recorded occurrences
(Australia)
Recorded occurrences
(global)
Images
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Further Information
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