This specimen has not been photographed yet.
Pterocaulon pycnostachyum
As recorded: Pterocaulon undulatum (Walter) C.Mohr
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae
- Collected by
- Cottam, W.P.
- Collector number
- 11054
- Date
- June 1, 1938
- Locality
- Baxley
- Region
- Georgia, United States
- Elevation
- 61 m
- Identified by
- Glassman, S.F.
- Record type
- Preserved specimen
Collected the same day
On June 1, 1938, Cottam, W.P. also collected 1 other specimen.
Pterocaulon pycnostachyum observed alive
This specimen was collected in 1938. Since 2000, iNaturalist observers have recorded 4,945 research-grade sightings in the wild, most recently on 2026-10-25.

2026-10-25
Trenton, FL, US
(c) awschulken, some rights reserved (CC BY-NC)

2026-10-20
Chassahowitzka WMA, Hernando County, FL, USA
(c) J. Richard Abbott, some rights reserved (CC BY-NC)

2026-10-20
Nixon Smiley Pineland Preserve, Miami, FL, US
(c) kvrawells, some rights reserved (CC BY-NC)

2026-10-18
South Venice, FL, USA
(c) Donna Day, some rights reserved (CC BY-NC)

2026-10-14
Helen and Allan Cruickshank Sanctuary Trail, Rockledge, FL, US
(c) glassnblr, some rights reserved (CC BY-NC)

2026-10-10
Frostproof, FL, US
(c) Owen West, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Pterocaulon pycnostachyum. BISH 615975. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956650274. Accessed via explore.bishopmuseum.org/specimens/bish/615975.
Record sources
- GBIF occurrence 5956650274 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
