Unknown inkcap species

Unknown inkcap species

Observation - Unknown inkcap species. Description: These were all taken on a bioblitz on the same day in same area - I'm not sure that the older ones are the same species as the first 2. They were all grwoing on a woodchip path. Can anyone ID the species?

These were all taken on a bioblitz on the same day in same area - I'm not sure that the older ones are the same species as the first 2. They were all grwoing on a woodchip path. Can anyone ID the species?