Spring check up on wild shrooms II

I have checked upon the Aesculus hippocastanum trees (horse-chestnut) next to the road, which nurtured Flammulina velutiped during the cold winter months in their long verticular cracks.

The shrooms were still there, both old and young. I collected 350-350g from each (old and young) for the dyepot, leaving still enough on the trees. I also planned to take sample in the strain collection, but due to the moving (from Netherlands back to home) that was not feasible any longer, but I anyway had an earlier collection from these trees and they looked okay.

And this is how they look after some frost period: