Dichanthelium columbianum
American Witchgrass
As recorded: Panicum columbianum Scribn.
Plantae › Tracheophyta › Liliopsida › Poales › Poaceae
- Collected by
- St.John, H.
- Collector number
- 11751
- Date
- September 15, 1916
- Locality
- Plymouth, Pembroke, Great Sandy Bottom Pond
- Region
- Massachusetts, United States
- Record type
- Preserved specimen
Collected the same day
On September 15, 1916, St.John, H. also collected 8 other specimens.
Dichanthelium columbianum observed alive
This specimen was collected in 1916. Since 2000, iNaturalist observers have recorded 26 research-grade sightings in the wild, most recently on 2026-10-03.
2026-10-03
Yonge St, East Gwillimbury, ON, CA
(c) chelbelina, some rights reserved (CC BY-NC)
2026-09-27
Yonge St / Maple St, East Gwillimbury, ON L9N 1B1, Canada
(c) Melinda J. Thompson, some rights reserved (CC BY-NC)
2026-07-06
Pennsylvania, US
(c) Nate Hartley, some rights reserved (CC BY-NC)
2026-06-18
Yonge St / Maple St, East Gwillimbury, ON L9N 1B1, Canada
no rights reserved
2026-06-03
Illinois, US
(c) Jake Smith, some rights reserved (CC BY-NC)
2025-06-26
Spier Falls Rd, Gansevoort, NY, US
(c) Skye van der Laan, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Dichanthelium columbianum. BISH 525474. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956631806. Accessed via explore.bishopmuseum.org/specimens/bish/525474.
Record sources
- GBIF occurrence 5956631806 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026