Rickenella mellea S.l. or Loreleia postii perhaps. It appears to be growing out of the moss. Collected by @brennons
3-4 veins not 5-6 in red osier. Older bark is tannish
Blew onto our deck by the dozens during a high wind rain storm last week. The flower/seed pods grow from the middle of the central vein of the leaf, as shown in the third photo. 2.5 inches overall. I can confirm that there are many large basswood trees in the area, although not in our yard.