>>56700Red Gums: drop 4 tonne branches at random. Because they can, that's why.
Eucalyptus: are like 90% petrol-- something they evolved so to kill everything so they can have the land (fertilized by their victims) all to themselves.
I think it was back in the 1990s that California was almost obliterated by import 'garden' Eucalyptus trees catching alight.