medadow horsetail —  Equisetum pratense {horsetail family — Equisetaceae}
Flora of the Yukon Territory, Cody, p. 030a
 { 1/30 sec, f29.0} – {King's Throne, Kluane National Park, Yukon} – {14/06/09 Sunday, June 14, 2009; 4:12:24 PM}