Coptis trifolia
American goldthread
Photo: (c) Superior National Forest, some rights reserved (CC BY) (iNaturalist)
1
Bishop specimens
0
Type specimens
1914
First collected
1914
Last collected
2026
Last seen alive
Alive today
18,610 research-grade iNaturalist sightings in the wild since 2000. Most recent first.
2026-10-25
Saukville, WI, US
(c) Bailey Danz, some rights reserved (CC BY-NC)
2026-10-25
Agnes Bowen Trail, Barkhamsted, CT, US
(c) Timothy Watkins, some rights reserved (CC BY)
2026-10-25
Morse Township, MN 55731, USA
(c) Norma Malinowski, some rights reserved (CC BY)
2026-10-24
Thunder Bay, Unorganized, ON, CA
(c) pes_c515, some rights reserved (CC BY-NC)
2026-10-24
Nipissing, Unorganized, South Part, ON, CA
(c) nicole_003, some rights reserved (CC BY-NC)
2026-10-23
Val-d'Or, QC, CA
(c) Sarah Dubois, some rights reserved (CC BY-NC)
2026-10-23
New Ipswich, NH 03071, USA
(c) Oreamnos borealis, some rights reserved (CC BY-NC)
2026-10-22
Surry, ME 04684, USA
(c) ray santullo, some rights reserved (CC BY-NC)