Fungal ‘weeds’ have been introduced or hitch-hiked into Australia and many are now well established, spreading from parks and gardens into bushlands with significant potential to threaten biodiversity.
Amanita phalloides © Alison Pouliot 
Favolaschia calocera, R Hart CC BY-SA 
Amanita muscaria, © K Syme
Like plant weeds, these fungi are displacing the native species that evolved alongside and, in many cases have beneficial symbiotic relationships with, native animals and plants.
The most damaging ‘weed’ species are difficult, if not impossible, to eradicate but we can take action to stop their spread.
See here for more on this and what you can do.
The message is: Arrive clean. Leave clean!