Initially little reported, the toxicity of A. subjunquillea has been well established; a study in Korea revealed it to have similar effects to A. phalloides, namely delayed gastrointestinal symptoms, hepatotoxicity, and a 12.5% mortality.
The initially low profile of A. subjunquillea's toxicity was later confirmed through scientific investigation; a Korean study revealed that it shares similar symptoms with A. phalloides, including delayed digestive problems, liver damage, and a high mortality rate of 12.5%.