Gaye has a good article on her Fungi blog regarding the Green Skinhead and Denis also located one, here.
I found this one in the same vicinity where I found Nidula emodensis, but unfortunately, I missed it in its prime by a few days. However, I now know where it lives! :-)
(Click images to enlarge)
The reddening of the stalk may be indicitative of an alkaline environment.
