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Pollen from a variety of common plants
168 of 3476

Pollen from a variety of common plants

October 22, 2013
Pollen from a variety of common plants as seen through an electron microscope: sunflower (Helianthus annuus), morning glory Ipomoea purpurea, hollyhock (Sildalcea malviflora), lily (Lilium auratum), primrose (Oenothera fruticosa) and castor bean (Ricinus communis). The image is magnified some x500, so the bean shaped grain in the bottom left corner is about 50 ¼m long. The photo was taken at the Dartmouth Electron Microscope Facility, Dartmouth College. (Date of Image: Unknown) Credit: William Crochot. [Note: Photo has been released into public domain by Dartmouth Electron Microscopy Facility under Creative Commons license http://creativecommons.org/licenses/by-sa/2.0/.]