Pollen
Pollen grains come in a wide variety of shapes (most often spherical), sizes, and surface markings characteristic of the species.
Pollen
Pollen grains come in a wide variety of shapes (most often spherical), sizes, and surface markings characteristic of the species.
IsClau 30. Juli 2010, 14:34
http://fotogrossomodo.blogspot.com/2010/07/macro.html