Shoots of horsetail (Equisetum hyemale) showing various stages of maturity. Mature heads release spores for reproduction.

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Size: 4774px × 3601px
Photo credit: © Gerry Bishop / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: -flowering, ancient, canuela, equisetaceae, equisetum, fossil, horsetail, hyemale, living, plant, rush, scouring, scouring-rush, spores