Carex haydeniana
Hayden's Sedge
1
Bishop specimens
0
Type specimens
1927
First collected
1927
Last collected
2026
Last seen alive
Alive today
130 research-grade iNaturalist sightings in the wild since 2000. Most recent first.
2026-09-18
Rocky Mountain National Park, Estes Park, CO, US
(c) Austin Saunders, some rights reserved (CC BY)
2026-09-18
Rocky Mountain National Park, Estes Park, CO, US
(c) Austin Saunders, some rights reserved (CC BY)
2026-09-18
Rocky Mountain National Park, Estes Park, CO, US
(c) Austin Saunders, some rights reserved (CC BY)
2026-09-01
Medicine Bow National Forest, Carbon County, WY, US
(c) Greg Pappas, some rights reserved (CC BY-NC)
2026-09-01
Medicine Bow National Forest, Carbon County, WY, US
(c) Greg Pappas, some rights reserved (CC BY-NC)
2026-08-24
Salida, CO, US
(c) Rea Orthner, some rights reserved (CC BY-NC)
2026-08-01
Alpine Ridge Trail, Estes Park, CO, US
(c) Ben Pera, some rights reserved (CC BY-NC)
2026-07-31
Grand Teton National Park, Moran, WY, US
(c) mikekintgen, some rights reserved (CC BY-NC)