The swamp starflower occurs in the Kenwick area of Perth. Historically, the species was also known from Gosnells and Bellevue, but it is now extinct in these areas. The species is restricted to winter-wet clay flats with low shrubs or jarrah forest. Germination is likely to be stimulated by fire or smoke, however, germination has also been observed in the absence of disturbance. The subspecies C. b. subsp. stipulosa occurs in a band extending from the northern jarrah forest, through the Wheatbelt to Esperance.
Swamp Starflower |
Calytrix breviseta subsp. breviseta
Status: Endangered on the EPBC Act list
Government evidence of impact of climate change:
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Australian Government, Conservation Advice, Calytrix breviseta subsp. breviseta
Threats Table 1 Table of threats Threat factor Threat Threat Evidence base type status Inappropriate known future Evidence of post fire germination suggests fire may play a fire regimes role in germination for this species (noting C. breviseta subs. breviseta also germinates from the soil seed bank).