Erin Patterson's conviction for the deaths by poisoning of her estranged husband's relatives has prompted fevered speculation across Australia about her motive.

The jury in the Supreme Court trial in Victoria state returned a verdict after six days of deliberations, following a nine-week trial that gripped Australia.

Experts are weighing up whether to continue posting the locations of poisonous mushrooms on public databases like iNaturalist in the wake of the Erin Patterson trial.