Myriophyllum heterophyllum
American Water-milfoil
Photo: (c) Jean-Marc Vallières, some rights reserved (CC BY-NC), uploaded by Jean-Marc Vallières (iNaturalist)
1
Bishop specimens
0
Type specimens
1968
First collected
1968
Last collected
2026
Last seen alive
Alive today
341 research-grade iNaturalist sightings in the wild since 2000. Most recent first.
2026-09-18
Austin
(c) Jacob Eickstead, some rights reserved (CC BY-NC)
2026-09-12
Williamson County, TX, USA
(c) Larry Swift, some rights reserved (CC BY-NC)
2026-09-08
Loop Trail, Great Barrington, MA, US
(c) Avery Bowron, some rights reserved (CC BY-NC)
2026-09-08
Loop Trail, Great Barrington, MA, US
(c) Avery Bowron, some rights reserved (CC BY-NC)
2026-08-31
Ocosingo, Chis., MX
(c) Miguel García Cruz, some rights reserved (CC BY-NC)
2026-08-28
Pepperell, MA, US
no rights reserved
2026-08-21
Head River, Kawartha Lakes, ON, CA
(c) micaelacooper, some rights reserved (CC BY-NC)
2026-08-21
Miller Lake, ON N0H 1Z0, Canada
(c) Brian Popelier, some rights reserved (CC BY-NC)