Data sources

Each value Trefle shows for Bidens bipinnata, 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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Sourced3 Differs from sources1 Source not recorded9 Not on the record6 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 832 (1753)	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	1753	No source recorded	Source not recorded
Descriptive
Common name	Spanish-needles	No source recorded	Source not recorded
Family common name	Aster family	No source recorded	Source not recorded
Observations	E. Canada to C. & E. U.S.A. and Arizona	No source recorded	Source not recorded
Morphology
Average height	113 cm	112.5 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 28, 164, 882	Differs from sources
Biological type	empty	therophyte · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 164	Not on the record
Flower color	empty	orange, yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Fruit color	empty	black, brown, red · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Fruit shape	achene	achene · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Maximum height	empty	No source recorded 1 earlier or rejected value Rejected 100 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 28, 164, 882 below the average height (113 cm) of the same record	Not on the record
Phenology
Duration	annual	annual · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 882	Sourced
Fruit months	empty	feb, mar, apr · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 57, 71, 444, 882	Sourced
Usda legacy
C n ratio	empty	14.2 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 412	Not on the record

Bidens bipinnata L., 1753 18% complete

Spanish-needles

.fa-secondary{opacity:.4} Data sources

Data sources