Curiously, or perhaps not so curiously, the most potent species occur less often in the wild than in cities and towns; their predilection for habitats disturbed by us has allowed them to travel widely, “following streams of debris,” including our own. In recent years, the practice of mulching with wood chips has vastly expanded the range of a handful of potent Psilocybes once confined to the Pacific Northwest. They now thrive in all those places we humans now “landscape”: suburban gardens, nurseries, city parks, churchyards, highway rest stops, prisons, college campuses, even, as Stamets likes
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