Data sources

Each value Trefle shows for Pedicularis 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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Sourced5 Differs from sources1 Source not recorded15 Not on the record6 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Mant. Pl.: 86 (1767)	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	1767	No source recorded	Source not recorded
Descriptive
Common name	Common lousewort	No source recorded	Source not recorded
Observations	C. & E. Canada to Mexico	No source recorded	Source not recorded
Morphology
Average height	40 cm	39.62 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 28, 92, 415	Differs from sources
Flower color	empty	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Flower conspicuous	true	No source recorded	Source not recorded
Foliage color	empty	green, grey · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Foliage texture	fine	fine · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit color	empty	black · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Fruit conspicuous	false	No source recorded	Source not recorded
Growth form	Single Stem	No source recorded	Source not recorded
Growth habit	Subshrub, Forb/herb	No source recorded	Source not recorded
Growth rate	Moderate	Moderate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Sexuality	hermaphrodite	hermaphrodite · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 365	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	apr	apr · TRY Plant Trait Database · Measured · 52 observations · 2026-10-09 TRY 7.0 datasets 415	Sourced
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 28, 92, 460, 925	Sourced
Ecology
Ph maximum	pH 7	No source recorded	Source not recorded
Ph minimum	pH 4	No source recorded	Source not recorded
Cultivation
Minimum root depth	empty	15 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Other
Salt tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	Deep · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Pedicularis canadensis L., 1767 33% complete

Common lousewort

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Data sources