[greengecko]

What color is Honey Locust (Gleditsia triancanthos) pollen?

What color is Tulip Tree (Lirodendron tulipifera) sometimes called "Tulip Poplar" or "Yellow Poplar" pollen?

 

[greengecko]

http://en.wikipedia.org/wiki/Pollen_source

Yeah, I have used that in the past but it does not provide color information for Honey Locust or Tulip Tree.