Data sources

Each value Trefle shows for Linaria alpina, 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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Sourced7 Differs from sources2 Source not recorded13 Not on the record8 Sources: TRY Plant Trait Database, POWO / WCVP (Kew)

Field	Shown	What the sources say
Core
Author	(L.) Mill.	(L.) Mill. · POWO / WCVP (Kew) · Reported · 2026-10-11	Sourced
Bibliography	Gard. Dict. ed. 8: n.º 4 (1768)	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	1768	No source recorded	Source not recorded
Descriptive
Common name	Alpine toadflax	No source recorded	Source not recorded
Observations	Mts. of C. & S. Europe	No source recorded	Source not recorded
Morphology
Average height	2 cm	2.45 cm · TRY Plant Trait Database · Measured · 30 observations · 2026-10-09 TRY 7.0 datasets 25, 251, 726, 898	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 580	Sourced
Flower color	blue	purple · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Differs from sources
Foliage texture	empty	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 · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Maximum height	empty	8 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 25, 251, 726, 898	Not on the record
Sexuality	empty	hermaphrodite · 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
Bloom months	jun, jul, aug, sep	No source recorded	Source not recorded
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 4, 110, 818	Sourced
Ecology
Atmospheric humidity	5 / 9 · medium air humidity	No source recorded	Source not recorded
Ground humidity	empty	4 / 12 · moderately dry (meso-xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record
Light	9 / 9 · full sun	No source recorded	Source not recorded
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 71, 444, 445	Sourced
Ph maximum	pH 8	No source recorded	Source not recorded
Ph minimum	pH 7.5	No source recorded	Source not recorded
Soil nutriments	2 / 9 · very poor (peroligotrophic)	2 / 9 · very poor (peroligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Sourced
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Sourced
Cultivation
Minimum root depth	56 cm	56 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 818, 898	Sourced
Usda legacy
C n ratio	empty	18.2 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 228	Not on the record
Other
Soil ph indicator	—	8 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record
Temperature indicator	—	3 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Linaria alpina (L.) Mill., 1768 35% complete

Alpine toadflax

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Data sources