Greeting to all list readers from Northeastern New Mexico, USA. After watching my bees collecting a light lime green pollen from Siberian (Chinese) Elm for two weeks I have observed my bees bringing in a pinkish-gray pollen. After a bit of investigation I was able to match (using a microscope) the pollen coming into the hives with a small plant locally called Indian Parsley (Cymopterus bulbosus). Does anyone know of a botanical pollen key or discriptions that would assist me in identifying the various plants just by looking at the structure of the pollen? Brett Bannon