According to INaturalist
Chlorophyllum is a genus of large agarics similar in appearance to the true parasol mushroom. Chlorophyllum was originally coined in 1898, a time when spore color was the deciding factor for differentiating genera. It was termed in order to describe the poisonous green-spored C. molybdites which shared many characteristics of the mushrooms within the genus Lepiota but lacked the all important white spores. The name comes from Greek Chloro meaning green and phyll meaning leaves or gills.... (Source: Wikipedia)
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