Guard cells regulate the opening of the stoma.

• Link to face view of Zea (Corn) epidermis with guard cells and basal cells of the epidermis.

 

• Link to view of basal epidermal cells in a paradermal section of Syringa (lilac) These are on the left side of the section.

 

• Link to image of a face view of Setcreasea leaf epidermis with guard cells lining a stoma, and with basal epidermal cells.

 

• Link to image of a cross section of the epidermis of a Medicago Stem, with a view of a stoma with guard cells and with basal cells of the epidermis.

 

• Link to a view of a stoma with guard cells from a hornwort, a non-vascular plant.

 

• Link to the view of a pore of Marchantia without guard cells.