Pine pollen - 40x objective - UWDC - UW-Madison Libraries

Pine pollen fixed and stained all cells visible and labeled - 100x objective - UWDC - UW-Madison Libraries

Red pine bough - UWDC - UW-Madison Libraries

Composite of pine pollen with all cells visible and longitudinal section of a microsporophyll - UWDC - UW-Madison Libraries

Composite of Anabaena filaments - 100x objective, DIC illumination - UWDC - UW-Madison Libraries

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Pine pollen fixed and stained all cells visible and labeled - 100x objective - UWDC - UW-Madison Libraries

Fruit of Toxicodendron vernix - UWDC - UW-Madison Libraries

Several views, at different planes of focus, of a live pine pollen grain - 100x objective - UWDC - UW-Madison Libraries

Pine pollen fixed and stained all cells visible and labeled - 100x objective - UWDC - UW-Madison Libraries