Ashed Ponderosa Pine Needles Under the Microscope

Charred Ponderosa Pine Needles

This is ash from the needles of Ponderosa Pine. This is from a batch of Ponderosa Pine needles that were ashed in a muffle furnace. These are some of the charred calcium oxalate phytoliths.

Transmitted Off Crossed Polarized Light and Reflected Darkfield Illumination

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