PalDat is the world's largest database dedicated to palynological research, showcasing an extensive collection of data on pollen from a variety of plant families. This online platform offers free access to a wealth of information, including detailed descriptions of pollen grains, high-quality images obtained through light microscopy (LM), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Additionally, users can find images of the associated plants, inflorescences, and flowers, along with relevant literature.

Operated by the Division of Structural and Functional Botany at the University of Vienna and supported by the Society for the Promotion of Palynological Research in Austria, PalDat invites researchers and enthusiasts alike to explore and contribute to its comprehensive database. Registration is required for those wishing to publish their palynological findings, fostering a collaborative environment for advancing the field. With its commitment to accessibility and accuracy, PalDat serves as an invaluable resource for scholars and practitioners engaged in palynology and related disciplines.