The pollen grains of eight species of the genus Eremurus from Asphodelaceae family were studied using Light Microscope (LM) and Scanning Electron Microscopy (SEM). The pollen grains were collected from the nature and also the herbarium of Research Institute of Forests and Rangelands. The pollen grains of all studied species are monad, mono- furrow, navicular to elliptical with different sizes. The smallest pollen grain is E. olgae Regal with size of 13.86 µm. The P/E ratio of pollen grain of the studied specie is 0.50– 0.75 µm. So, the pollen grains are in oblate shape. Eremunus koletdaghensis has the lowest P/E ratio (0/57 µm). The surface ornamentation of Exine varies from reticulate, fine- reticulate, rough-reticulate to porous.
