Data sources

Each value Trefle shows for Viola canadensis, 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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Sourced2 Differs from sources1 Source not recorded8 Not on the record1 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 936 (1753)	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	1753	No source recorded	Source not recorded
Descriptive
Common name	Canada violet	No source recorded	Source not recorded
Observations	Subarctic America to WC. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	8 cm	7.5 cm · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09 TRY 7.0 datasets 193, 251	Differs from sources
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 28, 193, 925	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 193, 444	Sourced
Usda legacy
C n ratio	empty	22.9 · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 193, 412	Not on the record

Viola canadensis L., 1753 12% complete

Canada violet

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

Data sources