Observation 361725: Gasteromycetes Fr.

When: 2019-03-21

Collection location: Boone Co., Kentucky, USA [Click for map]

(coordinates hidden from public) 259m

Who: spacemandito

No specimen available

Notes:
The puffball grew to a large & mature state within only a few hours, over the course of a heavy shower (rained from ca. 1200-1630), mushroom was not observed prior to that time. Approximately 40F when I took my dogs out in the same are earlier today (ca. 1130) windy & overcast. Weather was sunny, and has warmed to roughly 50F upon discovery. Located in a runoff bed, in between an apartment complex and lightly wooded area (primarily deciduous, with coniferous trees scattered intermittently)

Mushroom is approximately 9" tall at its apex, and 7" in diameter at it’s widest point. The hole in the mushroom was in place upon discovery, measuring approximately 1.75″ × 2.5″ likely due to an animal’s investigation based on the caved in nature.

No discernible base.

Spores ejected upon gentle probing from a twig, appeared to be “dust” colored. Without a mask or gloves on hand, I opted out of gathering a sample of the spores until I can be certain it is not dangerous due to the current wind and the force at which the spores ejected.

Proposed Names

72% (1)
Used references: Field guide, unable to determine exact genus or species.
27% (1)
Recognized by sight

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= Observer’s choice
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Comments

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Cool! I’d love a sample & ill ID it for you.
By: Steph Jarvis (Steph Jarvis)
2019-03-22 00:32:29 CET (+0100)

It looks like either a Pisolithus or a Calvatia. Two very different puffball-fungi. Neither are dangerous, unless you inhale a PILE of spores. Just in the nature of inhaling a large amount of dust, not because of toxic enzymes or something else.
I studied puffballs in graduate school, & I’ve never known of one that grows so fast!!
Can you cut it open & show us the entire inside sliced from top to bottom? How about looking at the spores with a microscope & posting an image of the spores?