Pine (Pinus) stem cross section with tannin cells in phloem
Populus deltoides (cottonwood) leaf clearing with focus on lower epidermis showing stomates in all stages of development.
Pinus strobus (eastern white pine) leaf torn to show stomates from within and torn ends of plicate mesophyll cells (SEM
Populus deltoides (cottonwood) cleared leaf showing stomate developmental stages on the abaxial epidermis.
Populus tremuloides (quaking aspen) leaf clearing showing abaxial epidermis with developmental stages of stomates.
Urtica dioica (stinging nettle) abaxial epidermis, stomates, and vascular bundles.
Populus tremuloides (quaking aspen) leaf clearing with focus on lower epidermis with stomates and cuticular ridges.
Ligustrum (privet) leaf paradermal section intercepting veins and spongy mesophyll.
Fragaria (strawberry) spiral primary cell walls. Lersten and Curtis. 1976. Canadian J. Bot. 55: 128-132.