Strobilus of Equisetum sp. with spores. Optical microscope X200.

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Photo credit: © José María Barres Manuel / Alamy / Afripics
License: Royalty Free
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Keywords: elater, equisetaceae, grass, horstail, micrograph, microphotography, microscope, optical, pteridophyta, snake, sporangiophore, spores, sporophylls, strobilus