I was thinking of that exact same thing. I remember learning about that in fourth grade and excitedly describing it to my teacher at the time who gave me a hug¹ in imitation of the fungus.

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1. This was in 1978 during the era in which it was not only allowed for schools to administer corporal punishment, but expected, so this sort of teacher-student contact wasn’t outside the bounds of unexpected behavior. (As for the fact that I remember it, I think I’ve realized as my kids have been going through grade school that I have a remarkably detailed memory of my own K-8 years even though they’re 40+ years in the past).