Senna marilandica
American senna
Photo: (c) mayfly1963, some rights reserved (CC BY), uploaded by mayfly1963 (iNaturalist)
1
Bishop specimens
0
Type specimens
1916
First collected
1916
Last collected
2026
Last seen alive
Alive today
2,605 research-grade iNaturalist sightings in the wild since 2000. Most recent first.
2026-10-22
Denton, NE, US
(c) Monty McIntosh, some rights reserved (CC BY-NC)
2026-10-18
Madison, Arkansas, United States
(c) Evan J. Walden, some rights reserved (CC BY-NC)
2026-10-17
Madison County, AR, USA
(c) Evan J. Walden, some rights reserved (CC BY-NC)
2026-10-16
Newton County, Buffalo National River, US-AR, US
(c) zleadbetter, some rights reserved (CC BY-NC)
2026-10-14
Herod, IL, US
(c) macyjo71, some rights reserved (CC BY-NC)
2026-10-13
Sweden Creek Falls Trail, Kingston, AR, US
(c) tallpaultheforester, some rights reserved (CC BY-NC)
2026-10-10
IL-37, Cypress, IL, US
(c) John Boldt, some rights reserved (CC BY-NC)
2026-10-09
W Pershing Rd, Chicago, IL, US
(c) eliasmm, some rights reserved (CC BY-NC)