Pollen Grain Tank Tops

Tilia pollen grain, about 45 microns in diameter

Conifer pollen grain under the microscope, horizontal field of view is about 170 micrometers.

Summer squash (Cucurbita pepo) pollen grain (about 220 micrometers in diameter) under the microscope.

Pollen grain (spore) from air sample, size ~90 micrometers, Iodine-stained, bright field micrograph.

patterned and textured red flower of Zinnia family with golden pollen filled stamens

geometric patterned and textured pink flower of Zinnia family with pollen filled stamens

patterned and textured white flower of Zinnia family with golden pollen filled stamens

patterned and textured pink flower of Zinnia family with gold stamens

patterned and textured pink flower of Zinnia family with single remaining inner petal and pollen filled stamens

patterned and textured pink flower of Zinnia family with pollen filled stamens

patterned and textured pink flower of Zinnia family with pollen filled stamens and prominent brown and gold center

autumn colours for this patterned and textured copper coloured flower of Zinnia family with pollen filled stamens