Trichocereus. In the years since, a perfect storm of inaccurate labeling, shoddy taxonomy on the part of so-called experts (don’t get Trout started), and rampant hybridization have contributed to the confusion now surrounding what is and is not “San Pedro.” Yet that confusion is not without its benefits: if the government wanted to stamp out San Pedro, it would first have to specify the names of the species to be criminalized (as it had done with Papaver somniferum). As a collector, however, I had hoped to pin down what species I had in my garden. “Don’t take the names seriously,” Trout told
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