Data sources

Each value Trefle shows for Ratibida pinnata, 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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Sourced14 Differs from sources1 Source not recorded9 Not on the record7 Sources: TRY Plant Trait Database, Earlier Trefle data, POWO / WCVP (Kew)

Field	Shown	What the sources say
Core
Author	(Vent.) Barnhart	(Vent.) Barnhart · POWO / WCVP (Kew) · Reported · 2026-10-11	Sourced
Bibliography	Bull. Torrey Bot. Club 24(8): 410 (1897)	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	1897	No source recorded	Source not recorded
Descriptive
Common name	Drooping prairie-coneflower	No source recorded	Source not recorded
Family common name	Aster family	No source recorded	Source not recorded
Observations	SE. Canada to NC. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	109 cm	109 cm · TRY Plant Trait Database · Measured · 69 observations · 2026-10-09 TRY 7.0 datasets 66, 92, 251, 415, 569, 664, 866, 925	Sourced
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 287 observations · 2026-10-09 TRY 7.0 datasets 925	Sourced
Flower color	empty	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Flower conspicuous	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
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	medium	coarse · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Differs from sources
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	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth form	Single Crown	Single Crown · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth habit	Forb/herb	Forb/herb · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth rate	Moderate	Moderate · 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
Bloom months	may, jun	may, jun · TRY Plant Trait Database · Measured · 54 observations · 2026-10-09 TRY 7.0 datasets 66, 163, 415	Sourced
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 294 observations · 2026-10-09 TRY 7.0 datasets 66, 92, 432, 759, 818, 925	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 66, 444	Sourced
Ph maximum	pH 6.8	pH 6.8 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 5.6	pH 5.6 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Cultivation
Minimum root depth	75 cm	75 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 92, 432	Sourced
Usda legacy
C n ratio	empty	32.8 · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 415, 570	Not on the record
Other
Human usage type	—	fodder, nursery_stock · TRY Plant Trait Database · Reported · 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	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Ratibida pinnata (Vent.) Barnhart, 1897 39% complete

Drooping prairie-coneflower

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

Data sources