September 16th, 2014. This is the first time I have seen this mushroom. Several emerged in the leaf litter on the shoulder of the roadway under an oak tree.
A fully developed mushroom
As they age, the cap becomes very concave
- iNaturalist.org: Fragile Dapperling (Leucocoprinus fragilissimus)
- Alan Cressler: Leucocoprinus fragilissimus