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Photographic gallery.  Thousands of particles under the microscope.
Fireweed (Epilobium angustifolium) Pollen Under the Microscope

Fireweed (Epilobium angustifolium) Pollen

This is pollen collected from fireweed flowers in the Ponderosa pine forest of Eastern Washington. The tetraporate form of the pollen grain is relatively common in this plant. The pollen has been dewaxed with alcohol but not acetalized. The mounting medium is ShurMount with a refractive index of 1.49. This is at high focus.

Transmitted Brightfield Illumination


KINGDOM: Plantae /Angiosperms /Eudicots /Rosids ORDER: Myrtales FAMILY: Onagraceae GENUS: Epilobium SPECIES: angustifolium

Significance in the Environment:

Characteristic Features:

Associated Particles:


Faegri, Knut and Johs Iversen, TEXTBOOK OF POLLEN ANALYSIS, Hafner Publishing Company, 1964.

Kapp, Ronald O., HOW TO KNOW POLLEN AND SPORES, Wm. C. Brown Company, 1969.

Moore, P.D., J. A. Webb, and M. E. Collinson, POLLEN ANALYSIS, Blackwell Scientific Publications, 1991