Data sources

Each value Trefle shows for Hieracium scouleri, 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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Sourced9 Differs from sources1 Source not recorded7 Not on the record7 Sources: TRY Plant Trait Database, Merged from a synonym record

Field	Shown	What the sources say
Core
Author	Hook.	No source recorded	Source not recorded
Bibliography	Fl. Bor.-Amer. 1: 298 (1833)	No source recorded	Source not recorded
Rank	species	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1833	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.	No source recorded	Source not recorded
Morphology
Average height	60 cm	60.48 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 818	Differs from sources
Flower color	empty	orange · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Foliage color	empty	green, grey · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Foliage texture	fine	coarse · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92 fine · Merged from a synonym record (Pilosella scouleri) · Reported · 2026-09-05	Sourced
Fruit color	empty	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Growth form	Stoloniferous	Stoloniferous · Merged from a synonym record (Pilosella scouleri) · Reported · 2026-09-05	Sourced
Growth habit	Forb/herb	Forb/herb · Merged from a synonym record (Pilosella scouleri) · Reported · 2026-09-05	Sourced
Growth rate	Rapid	Moderate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92 Rapid · Merged from a synonym record (Pilosella scouleri) · Reported · 2026-09-05	Sourced
Vegetable	false	false · Merged from a synonym record (Pilosella scouleri) · Reported · 2026-09-05	Sourced
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 92, 432, 460, 818	Sourced
Ecology
Ph maximum	pH 7	pH 7 · Merged from a synonym record (Pilosella scouleri) · Reported · 2026-09-05	Sourced
Ph minimum	pH 5.7	pH 5.7 · Merged from a synonym record (Pilosella scouleri) · Reported · 2026-09-05	Sourced
Cultivation
Minimum root depth	205 cm	205 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 92, 432, 818	Sourced
Other
Human usage type	—	fodder · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Propagation method	—	seed · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Salt tolerance	—	Low · 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

Hieracium scouleri Hook., 1833 25% complete

No common name

Data sources

Hieracium scouleri Hook., 1833 25% complete

No common name

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

Data sources