Data sources

Each value Trefle shows for Eucephalus engelmannii, 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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Sourced13 Source not recorded7 Not on the record4 Sources: TRY Plant Trait Database, Earlier Trefle data, POWO / WCVP (Kew), Merged from a synonym record

Field	Shown	What the sources say
Core
Author	(D.C.Eaton) Greene	No source recorded	Source not recorded
Bibliography	Pittonia 3(14): 54 (1896)	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	1896	No source recorded	Source not recorded
Descriptive
Family common name	Aster family	No source recorded	Source not recorded
Observations	W. Canada to W. U.S.A.	W. Canada to W. U.S.A. · Merged from a synonym record (Doellingeria engelmannii) · Reported · 2026-09-05	Sourced
Morphology
Average height	empty	182.88 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Flower color	white	white · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Flower conspicuous	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Foliage color	green	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Foliage texture	coarse	coarse · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit color	brown	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit conspicuous	false	No source recorded	Source not recorded
Growth form	Multiple Stem	Multiple Stem · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth habit	Forb/herb, Subshrub	Forb/herb, Subshrub · 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
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 460	Sourced
Ecology
Ph maximum	pH 7.3	pH 7.3 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 5.9	pH 5.9 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Cultivation
Minimum root depth	empty	30 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Other
Salt tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	Deep · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Eucephalus engelmannii (D.C.Eaton) Greene, 1896 33% complete

No common name

Data sources

Eucephalus engelmannii (D.C.Eaton) Greene, 1896 33% complete

No common name

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

Data sources