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

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.

The Australian woman was convicted of murdering three elderly relatives of her estranged husband with a meal laced with poisonous mushrooms, and attempting to murder a fourth, in a case that gripped the country.