There were a lot of interesting guesses and a couple of what I believe to be correct answers. I will preface this post with the disclaimer that I am certainly no expert on fungi (or anything else, for that matter) , but here is what I think our mystery photo is…
I thought it was a stinkhorn of some sort when Beth sent me the photo, but this is one I have never seen. This unusual species is native to Australia and some tropical islands but has been introduced to other parts of the world, most likely through in garden or soil products. In the U.S., it is found primarily in Hawaii and a few southeastern states.
It feeds on decaying organic matter and is usually found growing in yards or compost. I think the diagnostic feature for me is the bifurcate appendages – the split ends on the arms of the “starfish”. Some other stinkhorns just have single extensions at the tips. Check this link for more information on this bizarre species. As always, if someone has other suggestions on the identity of this life form, please drop me a comment. Thanks for participating and thanks again, to Beth, for sharing her yard alien with us.
There are actually flowers that resemble these, and some smell rather bad too.