EN

Bidens beckiana

Declining

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Bidens beckiana faces severe habitat degradation from agricultural expansion and urban development across its limited range in the Hawaiian Islands. The species is particularly vulnerable to invasive plant competition, which alters native ecosystem dynamics and reduces available growing space. Climate change poses an additional threat through altered precipitation patterns and increased storm intensity, which can directly impact this endemic Hawaiian flora.

Threat summary

Habitat

This endemic Hawaiian species typically inhabits dry to mesic forests and shrublands at moderate elevations. It grows in native plant communities that have become increasingly fragmented due to human activities and invasive species encroachment.

Other threatened species in ASTERACEAE

EN

Bidens cosmoides

Declining
VU

Piptolepis monticola

Unknown
Libanothamnus parvulusCR

Libanothamnus parvulus

Declining
EN

Gynoxys neovelutina

Declining

Frequently asked questions

Why is Bidens beckiana classified as Endangered?
Bidens beckiana is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Bidens beckiana faces severe habitat degradation from agricultural expansion and urban development across its limited range in the Hawaiian Islands. The species is particularly vulnerable to invasive plant competition, which alters native ecosystem dynamics and reduces available growing space. Climate change poses an additional threat through altered precipitation patterns and increased storm intensity, which can directly impact this endemic Hawaiian flora.
Where does Bidens beckiana live?
Bidens beckiana occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Bidens beckiana?
The main threats to Bidens beckiana are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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