Mail giant horsetail (Equisetum telemataia) with a fertile cone at the tip of its stem. Photographed in spring.

---

Size: 3433px × 5150px
Photo credit: © BOB GIBBONS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, biological, biology, botanical, botany, building, caucasus, cross, environment, friendship, georgia, great, jvari, landscape, mountain, mountainous, mountains, nature, pass, russia-georgia, scenic, snow, snowy, states, united, usa, wilderness