Rhizobia on Clover Root Hair

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Kingdom: Eubacteria
Scientific Name: Rhizobium trifolii
Image Courtesy of: Dazzo, Frank
Image Width: 8 microns
Image Technology: SEM

These rhizobia have attached themselves onto a clover root hair. The sticky, web-like tendrils extending from the rhizobia across the root surface are called cellulose microfibrils. These rhizobia (a type of bacteria) are beginning to invade the root, where they will form a symbiotic relationship with the clover plants.