Persicaria amphibia
Amphibious Bistort
Photo: (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott (iNaturalist)
4
Bishop specimens
0
Type specimens
1887
First collected
1989
Last collected
2026
Last seen alive
Two centuries of collecting
The oldest Bishop specimen was collected in 1887 by Delavay, M. (Yunnan). The Museum last collected it in 1989; iNaturalist observers have seen it in the wild as recently as October 27, 2026.
From the collection
Alive today
25,064 research-grade iNaturalist sightings in the wild since 2000. Most recent first.
2026-10-27
Prairie Trail, McHenry, IL, US
(c) janelew, some rights reserved (CC BY-NC)
2026-10-25
Saukville, WI, US
(c) Bailey Danz, some rights reserved (CC BY-NC)
2026-10-25
Celery Bog Nature Area Trail, West Lafayette, IN, US
(c) kjliu14, some rights reserved (CC BY-NC)
2026-10-25
Celery Bog Nature Area Trail, West Lafayette, IN, US
(c) peightonoliver, some rights reserved (CC BY-NC)
2026-10-25
Deer Grove, Palatine, IL, US
(c) janelew, some rights reserved (CC BY-NC)
2026-10-24
West Lafayette
(c) lukepfahler, some rights reserved (CC BY-NC)
2026-10-24
San Joaquin Marsh, Irvine, CA 92612, USA
(c) Cynthia S., some rights reserved (CC BY-NC)
2026-10-24
Tolay Lake Regional Park, Petaluma, CA, US
(c) elli0tt_bugsnherps, some rights reserved (CC BY-NC)