Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Bidens pilosa
Hairy Beggarticks
As recorded: Bidens pilosa L.
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae
- Collected by
- Lammers, T.G.
- Collector number
- 5332
- Date
- August 27, 1983
- Locality
- Ewa District; Koolau Mountains Ewa Forest Reserve, northeast of Pacific Palisades. Manana Trail, at end of Komo Mai Drive
- Island
- Oʻahu
- Region
- Hawaii, United States
- Elevation
- 280 m
- Identified by
- Herbst, D.R.; Sohmer, S.H.; Wagner, W.L.Derral R. Herbst →Seymour H. Sohmer →Warren L. Wagner Jr. →
- Record type
- Preserved specimen
Collected the same day
On August 27, 1983, Lammers, T.G. also collected 24+ other specimens.
Acacia koa
Botany
Adenophorus tamariscinus
Botany
Arundina graminifolia
Botany
Begonia hirtella
Botany
Chamaecrista nictitans
Botany
Christella parasitica
Botany
Citharexylum caudatum
Botany
Citharexylum caudatum
Botany
Desmodium incanum
Botany
Dicranopteris linearis
Botany
Hedychium coronarium
Botany
Lepisorus thunbergianus
Botany
Leucaena leucocephala
Botany
Metrosideros tremuloides
Botany
Nephrolepis brownii
Botany
Nephrolepis exaltata
Botany
Paederia foetida
Botany
Phlegmariurus phyllanthus
Botany
Psilotum nudum
Botany
Scaevola gaudichaudiana
Botany
Selaginella arbuscula
Botany
Spathoglottis plicata
Botany
Spathoglottis plicata
Botany
Sphagneticola trilobata
Botany
Bidens pilosa observed alive in Hawaiʻi
This specimen was collected in 1983. Since 2000, iNaturalist observers have recorded 907 research-grade sightings in the wild, most recently on 2026-10-24.
2026-10-24
Farrington Hwy, Waialua, HI, US
(c) ahmccorm, some rights reserved (CC BY-NC)
2026-10-14
Kalaheo Ave + Opp Kailua Rd, Kailua, HI 96734, USA
(c) Sam Buswell, some rights reserved (CC BY-NC)
2026-10-12
Lāʻie, HI, US
(c) anemoneme, some rights reserved (CC BY-NC)
2026-10-09
Hawaii, US
(c) ashoki, some rights reserved (CC BY-NC)
2026-10-03
Hilo, HI 96720, USA
(c) Craig Ontl, some rights reserved (CC BY-NC)
2026-10-01
Kamalie Mua St, Ewa Beach, HI, US
(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Bidens pilosa. BISH 486432. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956267557. Accessed via explore.bishopmuseum.org/specimens/bish/486432.
Record sources
- GBIF occurrence 5956267557 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026