Confocal micrograph of a green alga, Penium margaritaceum. The cell wall is shown in green and the chloroplast is represented by autofluorescence. Honorable Mention, 2011 Olympus BioScapes Digital Ima...

These Closterium algae are elongate desmids formed by two hemicells that are mirror images of each other. Although there is only a single central nucleus, each semicell has one or two axial, ridged c...

Scanning electron microscope image of longitudinal section of Oryza sativa (rice) stem. Image shows cuts through the vascular cells and cortex cells. Starch granules are visible inside the vascular ce...

Rendered 3D projection of a confocal z-series taken of rhizome (underground portion of the stem) of Convallari majalis (Lily of the Valley). The green objects represent reconstructed chloroplasts; ce...

Differential interference contrast micrograph of a Micrasterias, a type of green alga called a desmid. Each cell is constructed of two semicells which are mirror images of each other. The two semice...