A fluff assignment

I found this random tuft of fluff on the hiking trail the other day and I have been trying to figure out what it is.  It's not feathers nor is it hair, it seemed to be in too big of a clump.  It could be some kind of plant that dried up in the warm weather we have been having and then was blown down the trail until it was caught in the grass.  I'm just not sure but it was too cool too pass by on my way back to the park's staging area.