Data sources

Each value Trefle shows for Salix helvetica, 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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Sourced6 Source not recorded1 Not on the record3 Sources: TRY Plant Trait Database, POWO / WCVP (Kew)

Field	Shown	What the sources say
Core
Author	Vill.	Vill. · POWO / WCVP (Kew) · Reported · 2026-10-09	Sourced
Bibliography	Hist. Pl. Dauphiné 3: 783	Hist. Pl. Dauphiné 3: 783 · POWO / WCVP (Kew) · Reported · 2026-10-09	Sourced
Rank	species	No source recorded	Source not recorded
Status	accepted	accepted · POWO / WCVP (Kew) · Reported · 2026-10-09	Sourced
Year	1789	1789 · POWO / WCVP (Kew) · Reported · 2026-10-09	Sourced
Morphology
Average height	95 cm	95 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-10 TRY 7.0 datasets 68, 164, 241, 251	Sourced
Biological type	empty	phanerophyte · TRY Plant Trait Database · Measured · 1 observation · 2026-10-10 TRY 7.0 datasets 164	Not on the record
Maximum height	empty	150 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-10 TRY 7.0 datasets 68, 164, 241, 251	Not on the record
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 39 observations · 2026-10-10 TRY 7.0 datasets 71, 130, 444	Sourced
Other
Human usage type	—	other · TRY Plant Trait Database · Reported · 1 observation · 2026-10-10 TRY 7.0 datasets 68	Not on the record

Salix helvetica Vill., 1789 4% complete

No common name

Data sources

Salix helvetica Vill., 1789 4% complete

No common name

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

Data sources