Feather Frost or Frost Flowers (Crystallofolia)
– By Douw Steyn, Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC. –
The attached photographs show an instance of the rare phenomenon of feather frost on a stick. There were instances of this kind of frost all over the forest floor, but only on sticks, logs and stumps, and apparently none on still-living plants.