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Bidens hawaiensis; photograph David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, via Wikimedia Commons CC BYDavid Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, via Wikimedia Commons

Bidens hawaiensis A.Gray

Hawai'i beggarticks

Asteraceae · Hawaii

No habitat climate
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Bidens hawaiensis, photograph David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, via Wikimedia CommonsBidens hawaiensis, photograph David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, via Wikimedia CommonsBidens hawaiensis, photograph David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, via Wikimedia CommonsBidens hawaiensis, photograph David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, via Wikimedia CommonsBidens hawaiensis, photograph David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, via Wikimedia CommonsBidens hawaiensis, photograph David Eickhoff from Hawaiʻi, USA, CC BY 2.0, via Wikimedia Commons 7 photographs ›

About the genus · Bidens

Bidens is a genus of flowering plants in the aster family, Asteraceae. The genus include roughly 230 species which are distributed worldwide. Despite their global distribution, the systematics and taxonomy of the genus has been described as complicated and unorganized. More on Wikipedia ›

Quoted from Wikipedia, "Bidens", CC BY-SA 4.0.

Cultivation

Nothing derived: no habitat climate for this species.

Climate across the habitat

No habitat climate can be derived: Only 2 distinct land cells of the climate grid hold an in-range record placed to within 10 km; three are needed for an envelope. 10 of the 12 in-range records are placed to worse than 10 km, or to no stated accuracy and fewer than three decimals or by something other than a person's observation, and cannot place a climate cell, though they count for the map and its marker.

Natural habitat

Native range as published by WCVP; the marker is where the records are densest and decides nothing.
Openly licensed records inside the range, framed on where they fall.
NativeHawaii · regions are the level-3 units of the World Geographical Scheme for Recording Plant Distributions, as Kew's World Checklist records ranges, some under historical names such as Yugoslavia or Czechoslovakia (how).
Map marker19.341, -155.276 · in the densest population, 12 records (100% of those in range)
Evidence usedThe map marker rests on all 12 georeferenced records inside the native range; the map shows only the 6 openly licensed ones, which alone would put the marker 17 km away. No climate across the range is derived for this species. 10 in-range records are placed to worse than 10 km, or with no stated accuracy (admitted only as a person's observation to three decimals), and stay on the map but off the climate.
How this section is made
The map marker: the openly licensed record nearest the middle of the densest 1° population of the 12 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Bidens hawaiensis, photograph 1did not loadBidens hawaiensis, photograph 2did not loadBidens hawaiensis, photograph 3did not loadBidens hawaiensis, photograph 4did not loadBidens hawaiensis, photograph 5did not loadBidens hawaiensis, photograph 6did not load

Photographs: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, via Wikimedia Commons (5); David Eickhoff from Hawaiʻi, USA, CC BY 2.0, via Wikimedia Commons.

Other Bidens 29 in the reference

Bidens aequisquama Bidens aequisquama Pink Beggarticks Photo: CC0, author not statedBidens alba Bidens alba Shepherd's Needles Photo: CC0, Jesse RorabaughBidens amplissima Bidens amplissima Vancouver Island beggarticks Photo: CC BY, Shaan AroesteBidens andicola Bidens andicola Asteraceae Photo: CC BY, Ariadna TripaldiBidens anthemoides Bidens anthemoides Asteraceae Photo: CC BY, Juan Cruzado CortésBidens aristosa Bidens aristosa Western tickseed Photo: CC0, author not statedBidens aurea Bidens aurea Arizona beggarticks Photo: CC BY, Duarte FradeBidens beckii Bidens beckii Beck's water-marigold Photo: CC BY, Rob FosterBidens bigelovii Bidens bigelovii Bigelow's beggarticks Photo: CC BY, CK2AZBidens bipinnata Bidens bipinnata Spanish needles Photo: CC0, author not statedBidens cernua Bidens cernua Nodding bur-marigold Photo: CC0, author not statedBidens connata Bidens connata London Bur-marigold Photo: CC BY, Sandy Wolkenberg all 30 ›

Names & registers

Also known as Bidens hawaiensis subsp. conglutinata; Bidens skottsbergii; Bidens skottsbergii subsp. conglutinata; Bidens skottsbergii subsp. pololuensis; Bidens skottsbergii var. conglutinata and 4 more. (GBIF Backbone)

GBIFPOWOIPNIWFOWikidataiNaturalist

The record

Family
Asteraceae
Described by
A.Gray
Native to
Hawaii
Wild records
12 in range · 6 open

Every figure here is derived from public data by a stated rule and names its source; nothing about this species is written for its page by a person or by AI, apart from the marked, credited quotations. How →

Where this page came from built 2026-10-21
GBIF species record gbif.species answeredasked 2026-10-21
GBIF synonyms gbif.synonyms answeredasked 2026-10-21
GBIF common names gbif.vernacular answeredasked 2026-10-21names fetched 2026-10-21
WCVP native range wcvp.distribution answeredas of 2026-06-04
GBIF occurrence records gbif.occurrences answeredas of 2026-10-21GBIF occurrence download https://doi.org/10.15468/dl.hbdw64, of 2026-10-21
Habitat climate climate nothing to reportasked 2026-10-21only 2 distinct land cells of the climate grid hold an in-range record placed to within 10 km; three are needed for an envelope
Wikidata wikidata answeredasked 2026-10-21
Wikipedia wikipedia nothing to reportasked 2026-10-21
iNaturalist photographs, wild inat.photos.wild nothing to reportasked 2026-10-22from iNaturalist's open data of 2026-09-27: research-grade observations with an open-licence photograph, the 24 whose photographs iNaturalist received last (the open data holds no votes); filled 2026-10-22
iNaturalist photographs, cultivated inat.photos.cultivated not asked
GBIF media gbif.media nothing to reportasked 2026-10-21
Wikimedia Commons commons answeredasked 2026-10-21
OpenAlex papers openalex not askednot yet asked for this reference; a later fill takes the papers from OpenAlex's snapshot

Every source is recorded as having answered, reported nothing, refused, failed, not been asked, or answered twice where one answer is taken (“not taken: two items answered”), and, for a source asked when this page was built, when: the figures are as the source held them that day; a source read from a file (Kew's World Checklist, a GBIF download) says "as of" the file's day instead; a row carried from an earlier build of the page names that build instead. Only “nothing to report” is ever shown as an absence. Records came from 6 datasets via GBIF.org; each carries its own licence.

Cultifolio

Opening your plants…