One sign of autumn is the prolific seeding of the local coffee bush [Cassinia arcuata]. Cassinia is one of the good soldiers of ruined land, which is why you see it recolonising mining sites. This is what the Cassinia flower looked like in February:
And here’s what it looks like at the end of May:
If you brush even lightly past one of these honest Aussie battlers, you’ll find your clothes are acting as couriers of dozens of seeds.