sharing our knowledge.
Photographic gallery.  Thousands of particles under the microscope.
Oregon Grape (Mahonia [Berberis] aquifolium) Pollen Under the Microscope

Oregon Grape (Mahonia [Berberis] aquifolium) Pollen

This is pollen collected from an Oregon Grape flower found in the Cascade Mountains of Washington State. It has been dewaxed with alcohol but not acetalized. The mounting medium use here has a refractive index of 1.704.

Transmitted Oblique Illumination


KINGDOM: Plantae SUBKINGDOM: Tracheobionta SUPERDIVISION: Spermatophyta DIVISION: Magnoliophyta CLASS: Magnoliopsida ORDER: Ranunculales FAMILY: Berberidaceae GENUS: Mahonia SPECIES: aquifolium

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