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Service Notice

The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +08:00.

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Amaranthus undulatus R.Br.

Reference
Prodr.Fl.Nov.Holland. 414 (1810)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, open annual, herb, to 1 m high. Fl. green/white, Mar or May or Jul. Red sandy loams, gritty red skeletal soil with stony gibbers on the surface, grey-brown loam, pindan soil, laterite. Plains, riverbedas and riverbanks, floodplains, slopes, crests of hills, croplands.

Amanda Spooner, Descriptive Catalogue, 9 October 2007
Image

Distribution

IBRA Regions
Carnarvon, Central Kimberley, Dampierland, Gascoyne, Great Sandy Desert, Indian Tropical Islands, Little Sandy Desert, Murchison, Northern Kimberley, Ord Victoria Plain, Pilbara, Tanami, Victoria Bonaparte, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Berkeley, Cape Range, Chichester, Edel, Fitzroy Trough, Fortescue, Hamersley, Hart, Keep, Mackay, McLarty, Mitchell, Mount Eliza, Pentecost, Pindanland, Purnululu, Roebourne, Rudall, Tanami Desert, Timor Sea Coral Islands, Western Murchison, Wooramel.
IMCRA Regions
Canning, Kimberley, Ningaloo, North West Shelf, Pilbara (nearshore), Pilbara (offshore), Shark Bay.
Local Government Areas (LGAs)
Ashburton, Broome, Carnarvon, Derby-West Kimberley, East Pilbara, Exmouth, Halls Creek, Karratha, Murchison, Port Hedland, Shark Bay, Upper Gascoyne, Wyndham-East Kimberley.