Erin Patterson, a 49-year-old Melbourne woman, is accused of fatally poisoning her ex-husband's family with mushrooms.

The alleged poisoning took place on May 7, 2024, leading to three deaths and several illnesses.

Patterson faces charges of three counts of murder and five counts of attempted murder.

The case has been prioritized for the Supreme Court of Victoria with a hearing date set for May 23.

The accused remains in custody without bail and could face life imprisonment for the murder charges and up to 25 years for each attempted murder if found guilty.