An extensive resource on diatom taxonomy, primarily focused on recent freshwater diatoms of the United States.

Dedicated to expanding research and general knowledge of diatoms, includes basic introductions about diatoms, and information about the laboratory and the research undertaken.

Microscope images of many genera, mostly collected in central Texas.

Collection of images, classified by morphology and by genus.

Information about the fossil record, life history and ecology, systematics, and morphology.