When: 2008-07-31

Collection location: Strouds Run State Park, Athens, Ohio, USA [Click for map]

Who: Dan Molter (shroomydan)

No specimen available

I went back at night to get a shot of them glowing, but the mushrooms failed to cooperate.

I few years ago I had the pleasure of sitting in a patch of Jack’o Lanterns on a moonless night. A few minutes after turning off my flashlight the glow became really noticeable. The eerie green light originates in the gills and radiates up through the translucent cap. Like little street lamps, each mushroom was casting a footprint of pale green light bright enough that I could see little beetles scurrying around beneath them.

This patch however, they did not glow. I wounder if variability in luminosity is mostly genetically determined, or if environmental factors play a larger role. That is, I wonder if all of them will glow given the right environmental conditions.

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