Thelocactus leucacanthus
Light microscope micrograph of Thelocactus leucacanthus pollen. Pollen grains are spheroidal and 3-colpate (having three apertures).
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							Thelocactus leucacanthus | 
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Light microscope micrograph of Thelocactus leucacanthus pollen. Pollen grains are spheroidal and 3-colpate (having three apertures).
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							Thelocactus leucacanthus | 
 |