Data sources

Each value Trefle shows for Hieracium atratum subsp. atratum, 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.

Something wrong? Suggest a correction.

Sourced1 Source not recorded7 Not on the record5 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	empty	No source recorded 1 earlier or rejected value Rejected Fr. · Earlier Trefle data · Reported · 2026-10-19 autonym: no authorship under the Code	Not on the record
Bibliography	Symb. Hist. Hierac.: 105 (1848)	No source recorded	Source not recorded
Rank	ssp	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1848	No source recorded	Source not recorded
Descriptive
Family common name	Aster family	No source recorded	Source not recorded
Observations	Europe	No source recorded	Source not recorded
Morphology
Flower color	yellow	yellow · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Fruit shape	empty	nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Sexuality	empty	hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
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 460	Not on the record
Ecology
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71	Not on the record

Hieracium atratum subsp. atratum 1848 8% complete

No common name

Data sources

Hieracium atratum subsp. atratum 1848 8% complete

No common name

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

Data sources