Data sources

Each value Trefle shows for Rudbeckia umbrosa, 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 Source not recorded7 Not on the record2 Sources: TRY Plant Trait Database, POWO / WCVP (Kew), Merged from a synonym record

Field	Shown	What the sources say
Core
Author	C.L.Boynton & Beadle	No source recorded	Source not recorded
Bibliography	Rhodora 47: 400 (1945)	No source recorded	Source not recorded
Rank	species	No source recorded	Source not recorded
Status	accepted	accepted · POWO / WCVP (Kew) · Reported · 2026-10-11	Sourced
Year	1945	No source recorded	Source not recorded
Descriptive
Family common name	Aster family	No source recorded	Source not recorded
Observations	EC. & SE. U.S.A.	EC. & SE. U.S.A. · Merged from a synonym record (Rudbeckia fulgida var. umbrosa) · Reported · 2026-09-05	Sourced
Morphology
Average height	empty	65 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 918	Not on the record
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 918	Sourced
Growth habit	Forb/herb	No source recorded	Source not recorded
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	empty	perennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 918	Not on the record

Rudbeckia umbrosa C.L.Boynton & Beadle, 1945 10% complete

No common name

Data sources

Rudbeckia umbrosa C.L.Boynton & Beadle, 1945 10% complete

No common name

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

Data sources