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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not reflected in Florabase, herbarium collections, or in the census. We are hoping to be able to reinstate services around December 15; we will provide an update at that time.

The notice period started at 9:00 am on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Monday, 15 December 2025 +08:00.

Isolepis congrua Nees

Reference
Lehm., Pl.Preiss. [J.G.C.Lehmann] 2:75 (1846)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Slender tufted annual, grass-like or herb (sedge), 0.01-0.2 m high, glumes (1.2-)1.4-2 mm long; stamens 1(-2); style branches 3; nut with abaxial angle acute. Fl. green-brown, Apr or Jul to Nov. Black, grey or red clayey sand, loam, sandy clay, sometimes saline. Granite outcrops, creeks, claypans, winter-wet depressions.

Helen Coleman, Descriptive Catalogue, 14 December 1998

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Central Ranges, Coolgardie, Esperance Plains, Gascoyne, Geraldton Sandplains, Gibson Desert, Great Victoria Desert, Jarrah Forest, Little Sandy Desert, Mallee, Murchison, Nullarbor, Pilbara, Swan Coastal Plain, Warren, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Carnegie, Central, Eastern Goldfield, Eastern Mallee, Eastern Murchison, Edel, Fitzgerald, Fortescue, Geraldton Hills, Katanning, Lateritic Plain, Lesueur Sandplain, Mann-Musgrave Block, Mardabilla, Merredin, Northern Jarrah Forest, Nullarbor Plain, Perth, Recherche, Shield, Southern Cross, Southern Jarrah Forest, Tallering, Trainor, Warren, Western Mallee, Western Murchison, Wooramel.
Local Government Areas (LGAs)
Albany, Armadale, Ashburton, Brookton, Broomehill-Tambellup, Bruce Rock, Carnamah, Carnarvon, Chapman Valley, Coolgardie, Coorow, Corrigin, Cue, Dalwallinu, Dandaragan, Denmark, Dundas, East Pilbara, Esperance, Goomalling, Greater Geraldton, Jerramungup, Kalgoorlie-Boulder, Katanning, Kent, Kondinin, Kulin, Laverton, Leonora, Meekatharra, Menzies, Mingenew, Morawa, Mount Magnet, Murchison, Murray, Ngaanyatjarraku, Northam, Northampton, Nungarin, Perenjori, Plantagenet, Ravensthorpe, Sandstone, Serpentine-Jarrahdale, Shark Bay, Upper Gascoyne, Victoria Plains, West Arthur, Westonia, Wickepin, Wiluna, Wyalkatchem, Yalgoo, Yilgarn.