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Everything tagged mycology, across every stream.

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A mushroom that makes people see tiny humans is identified, and it contains no known psychedelic

A century-old mystery from Papua New Guinea, Yunnan and the Philippines gets a DNA answer, and the open question (what chemical is doing this?) is the best part.

People in Southwest China and the northern Philippines who eat certain wild mushrooms raw or undercooked report seeing tiny human figures walking around them, a so-called Lilliputian hallucination. University of Utah researchers used DNA sequencing to pin the effect on one species, Lanmaoa asiatica, according to a university release on ScienceDaily. The study by doctoral student Colin Domnauer and mycologist Bryn Dentinger is published in Mycologia.

Mushrooms known locally as Jian shou qing in Yunnan and Sedesdem in the Philippines turned out to be the same species, which scientists had thought grew only in China. The team found no known psychoactive mushroom compounds, including psilocybin, suggesting an unknown substance.

The puzzle dates to 1934 reports of "mushroom madness" in Papua New Guinea. Even Albert Hofmann, who discovered LSD, could not find an active ingredient in samples tested decades ago.

Rabbit Holes 2