Observation 23846: Leotia atrovirens Pers.

When: 2009-07-28

Collection location: Hartland, Vermont, USA [Click for map]

Who: John Carl Jacobs (JCJacobs)

No specimen available

Leotia atrovirens is described as having a green head and green stalk, as opposed to; Leotia viscosa (green head) and Leotia lubrica (no green). The fungi from the first two photos have greenish heads and stalks, but the third fungus is more reddish brown. I’ve spent a significant amount of time searching the internet trying to identify these specimen, but it’s hard to tell what information is accurate, and what is outdated, or just plain false. Apparently, some mycologists believe Leotia atrovirens is simply just Leotia lubrica that has been colonized by a fungal parasite known as Hypomyces leotiicola. The fungi in my photos certainly appear to be hosting some sort of parasite. This could explain why the third fungus isn’t green; if it wasn‘t colonized, or colonized to a lesser extent. I am still very unsure about what it is, exactly, that I have found. If anyone has any additional info on this subject, I would greatly appreciate anything you could pass on to me.


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