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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. The project team is now conducting testing of the migrated data, and a further update will be provided by the end of the financial year (1 July). Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Wednesday, 1 July 2026 +08:00.

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Perotis rara R.Br.
Comet Grass

Reference
Prodr. 172 (1810)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Tufted annual or perennial (short-lived), grass-like or herb, 0.15-0.3 m high. Fl. green, Feb to Jun. Red, yellow or white sand, alluvium.

Grazyna Paczkowska, Descriptive Catalogue, 26 May 1994
Image

Distribution

IBRA Regions
Central Kimberley, Central Ranges, Dampierland, Darwin Coastal, Gascoyne, Gibson Desert, Great Sandy Desert, Great Victoria Desert, Little Sandy Desert, Murchison, Northern Kimberley, Ord Victoria Plain, Pilbara, Victoria Bonaparte.
IBRA Subregions
Ashburton, Augustus, Berkeley, Carnegie, Chichester, Eastern Murchison, Fitzroy Trough, Fortescue, Hamersley, Hart, Keep, Lateritic Plain, Mann-Musgrave Block, McLarty, Mitchell, Mount Eliza, Pentecost, Pindanland, Purnululu, Roebourne, Rudall, Shield, Trainor, Western Murchison.
IMCRA Regions
Kimberley, King Sound.
Local Government Areas (LGAs)
Ashburton, Broome, Carnarvon, Derby-West Kimberley, East Pilbara, Halls Creek, Karratha, Laverton, Leonora, Meekatharra, Murchison, Ngaanyatjarraku, Port Hedland, Upper Gascoyne, Wiluna, Wyndham-East Kimberley.