Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Sphaerostephanos productus
As recorded: Sphaerostephanos productus (Kaulf.) Holttum
Plantae › Tracheophyta › Polypodiopsida › Polypodiales › Thelypteridaceae
- Collected by
- Elmer, A.D.E.
- Collector number
- 16642
- Date
- July 1, 1916
- Locality
- Irosin, Mt. Bulusan
- Island
- Luzon
- Region
- Sorsogon, Philippines
- Identified by
- Holttum, R.E.
- Type status
- Isotype
- Record type
- Preserved specimen
Collected the same day
On July 1, 1916, Elmer, A.D.E. also collected 24+ other specimens.
Sphaerostephanos productus observed alive
This specimen was collected in 1916. Since 2000, iNaturalist observers have recorded 27 research-grade sightings in the wild, most recently on 2025-07-09.

2025-07-09
952台灣台東縣蘭嶼鄉
(c) Casper, some rights reserved (CC BY-NC)

2025-07-08
952台灣台東縣蘭嶼鄉
(c) Casper, some rights reserved (CC BY-NC)

2025-05-18
952台灣台東縣蘭嶼鄉
(c) 胡正恆(Jackson Hu), some rights reserved (CC BY)

2025-05-18
952台灣台東縣蘭嶼鄉
(c) 胡正恆(Jackson Hu), some rights reserved (CC BY)

2025-05-18
952台灣台東縣蘭嶼鄉
(c) 胡正恆(Jackson Hu), some rights reserved (CC BY)

2025-05-18
952台灣台東縣蘭嶼鄉
(c) 胡正恆(Jackson Hu), some rights reserved (CC BY)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Sphaerostephanos productus. BISH 103735. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956665857. Accessed via explore.bishopmuseum.org/specimens/bish/103735.
Record sources
- GBIF occurrence 5956665857 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
