A larger, more mature specimen was also found the same day at neighboring Window Cliffs State Natural area (MO #289499).

I (Steve Roberts) found these at an inventory walk with Cumberland Mycological Society, growing on soil in mixed woods.

I immediately recognized this as a Gomphus, and with no reference materials handy, was thinking along the lines of Gomphus clavatus. Jay Justice, who was present immediately after the walk, looked at it and believed this might be Gomphus ludovicianus, a southern species from TX and LA named by Ron Petersen et. al. in 2014.

These specimens are being sequenced, so hopefully soon we will know for sure if this is G. ludoviacanus. The other possibility is G. clavatus, which is a western and northern species. Neither of these two purple Gomphus species has been recorded in the state of Tennessee to my knowledge.


Proposed Names

55% (1)
Recognized by sight
Used references: “A new species of Gomphus from southeastern United States,” North American Fungi, Volume 9, Number 9, Pages 1-13, Oct. 14, 2014, Ronald H. Petersen et. al

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= Observer’s choice
= Current consensus


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