Data sources

Each value Trefle shows for Viola alba, 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 Differs from sources1 Source not recorded8 Not on the record9 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Besser	No source recorded	Source not recorded
Bibliography	Prim. Fl. Galiciae Austriac. 1: 171 (1809)	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	1809	No source recorded	Source not recorded
Descriptive
Common name	White violet	No source recorded	Source not recorded
Observations	S. France to S. Poland and NW. Türkiye	No source recorded	Source not recorded
Morphology
Average height	8 cm	7.5 cm · TRY Plant Trait Database · Measured · 17 observations · 2026-10-09 TRY 7.0 datasets 25, 161, 175, 842, 918	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 73 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 161, 175, 220, 918	Sourced
Flower color	white	white · TRY Plant Trait Database · Measured · 2 observations · 2026-10-20 TRY 7.0 datasets 4 1 earlier or rejected value Superseded white · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Foliage texture	empty	medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 4 1 earlier or rejected value Superseded medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Fruit shape	empty	capsule · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 4 1 earlier or rejected value Superseded capsule · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Maximum height	30 cm	30 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 25, 161, 175, 842, 918	Sourced
Sexuality	empty	hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 4 1 earlier or rejected value Superseded hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 4, 110, 175, 918	Sourced
Ecology
Ground humidity	empty	5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 242 1 earlier or rejected value Superseded 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record
Light	empty	5 / 9 · half-shade · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 489 1 earlier or rejected value Superseded 5 / 9 · half-shade · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 71 1 earlier or rejected value Superseded None · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 71, 444	Sourced
Soil nutriments	empty	6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 242 1 earlier or rejected value Superseded 6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 2 observations · 2026-10-20 TRY 7.0 datasets 242, 489 1 earlier or rejected value Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489	Sourced
Usda legacy
C n ratio	empty	23.5 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-20 TRY 7.0 datasets 412 1 earlier or rejected value Superseded 23.5 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 412	Not on the record
Other
Soil ph indicator	—	7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 242 1 earlier or rejected value Superseded 7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record
Temperature indicator	—	7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 242 1 earlier or rejected value Superseded 7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Viola alba Besser, 1809 20% complete

White violet

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Data sources