Isotoma petraea F.Muell. Rock Isotome
Linnaea 25:420-421 (1853)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Amanda Spooner, Thursday 16 January 1997

Erect, spreading annual or perennial, herb, (0.1-)0.2-0.6(-1) m high. Fl. blue/blue-purple, Feb to Nov. Shallow soils over granite. Amongst rocks, breakaways, in rock crevices, rocky outcrops.

Distribution

Beard’s Provinces: Eremaean Province, South-West Province.

IBRA Regions: Avon Wheatbelt, Central Ranges, Coolgardie, Gascoyne, Gibson Desert, Great Victoria Desert, Little Sandy Desert, Mallee, Murchison, Pilbara, Yalgoo.

IBRA Subregions: Avon Wheatbelt P1, Carnegie, Central, Eastern Goldfield, Eastern Mallee, Eastern Murchison, Hamersley, Lateritic Plain, Mann-Musgrave Block, Shield, Southern Cross, Tallering, Trainor, Western Mallee, Western Murchison.

Local Government Areas (LGAs): Ashburton, Bruce Rock, Coolgardie, Cue, Dundas, East Pilbara, Esperance, Kalgoorlie-Boulder, Kellerberrin, Kondinin, Laverton, Leonora, Meekatharra, Menzies, Merredin, Morawa, Mount Magnet, Mount Marshall, Mukinbudin, Murchison, Ngaanyatjarraku, Nungarin, Perenjori, Quairading, Sandstone, Trayning, Westonia, Wiluna, Yalgoo, Yilgarn.