Data sources

Each value Trefle shows for Jacobaea leucophylla, 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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Sourced10 Differs from sources1 Source not recorded11 Not on the record4 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	(DC.) Pelser	No source recorded	Source not recorded
Bibliography	Compositae Newslett. 44: 7 (2006)	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	2006	No source recorded	Source not recorded
Descriptive
Common name	White-leaved ragwort	No source recorded	Source not recorded
Family common name	Aster family	No source recorded	Source not recorded
Observations	SC. France, E. Pyrenees	No source recorded	Source not recorded
Morphology
Average height	7 cm	6.75 cm · TRY Plant Trait Database · Measured · 20 observations · 2026-10-09 TRY 7.0 datasets 251, 256, 468, 649	Differs from sources
Biological type	empty	hemicryptophyte · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Flower color	yellow	yellow · TRY Plant Trait Database · Measured · 2 observations · 2026-10-20 TRY 7.0 datasets 4 1 earlier or rejected value Superseded yellow · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Flower conspicuous	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Foliage texture	coarse	coarse · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Fruit conspicuous	false	No source recorded	Source not recorded
Fruit shape	empty	nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 4 1 earlier or rejected value Superseded nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
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, 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 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Sexuality	empty	gynomonoecious · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 4 1 earlier or rejected value Superseded gynomonoecious · 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	perennial	perennial · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 4, 110	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 4 observations · 2026-10-20 TRY 7.0 datasets 20, 57, 71 1 earlier or rejected value Superseded None · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 71	Sourced
Ph maximum	pH 8.5	pH 8.5 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 6.5	pH 6.5 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Usda legacy
C n ratio	empty	27.9 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-20 TRY 7.0 datasets 228 1 earlier or rejected value Superseded 27.9 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 228	Not on the record

Jacobaea leucophylla (DC.) Pelser, 2006 35% complete

White-leaved ragwort

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Data sources