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Photographic gallery.  Thousands of particles under the microscope.

Horsetail Pollen

Transmitted Oblique Off Circular Polarized Light Illumination

Equisetum spp., Field Horsetail, pollen ranges from 30 to 75 micrometers in diameter. It is spherical in shape but may
be folded. It often has four wing or strap-like elaters when fresh.