Data sources

Each value Trefle shows for Bidens aristosa, with what every source says about it. When sources disagree, the strongest source is shown (how sources are ranked). Values imported before sources were recorded one by one are marked Source not recorded.

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Sourced5 Differs from sources1 Source not recorded19 Not on the record6 Sources: TRY Plant Trait Database, POWO / WCVP (Kew)

Field	Shown	What the sources say
Core
Author	(Michx.) Britton	(Michx.) Britton · POWO / WCVP (Kew) · Reported · 2026-10-11	Sourced
Bibliography	Bull. Torrey Bot. Club 20(7): 281 (1893)	No source recorded	Source not recorded
Phylum	Tracheophyta	No source recorded	Source not recorded
Rank	species	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1893	No source recorded	Source not recorded
Descriptive
Common name	Tickseed-sunflower	No source recorded	Source not recorded
Family common name	Aster family	No source recorded	Source not recorded
Observations	SE. Canada to C. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	103 cm	103.34 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 28, 92	Differs from sources
Flower color	yellow	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Flower conspicuous	true	No source recorded	Source not recorded
Foliage color	empty	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Foliage texture	coarse	coarse · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit color	empty	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Fruit conspicuous	true	No source recorded	Source not recorded
Growth form	Single Crown	No source recorded	Source not recorded
Growth habit	Forb/herb	No source recorded	Source not recorded
Growth rate	Rapid	Rapid · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	annual, biennial	annual, biennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 28, 92	Sourced
Ecology
Atmospheric humidity	7 / 9 · humid air	No source recorded	Source not recorded
Light	8 / 9 · light	No source recorded	Source not recorded
Ph maximum	pH 7	No source recorded	Source not recorded
Ph minimum	pH 5	No source recorded	Source not recorded
Soil nutriments	7 / 9 · rich (eutrophic)	No source recorded	Source not recorded
Soil salinity	0 / 9 · absent from saline soils	No source recorded	Source not recorded
Cultivation
Minimum root depth	empty	20 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Other
Propagation method	—	seed · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Salt tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	Intermediate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Bidens aristosa (Michx.) Britton, 1893 41% complete

Tickseed-sunflower

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Data sources