Data sources

Each value Trefle shows for Koeleria vallesiana, 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 sources1 Source not recorded9 Not on the record9 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	(Honck.) Gaudin	No source recorded	Source not recorded
Bibliography	Alpina 3: 47 (1808)	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	1808	No source recorded	Source not recorded
Descriptive
Common name	Somerset hair grass	No source recorded	Source not recorded
Observations	W. & WC. Europe to NW. Africa	No source recorded	Source not recorded
Morphology
Average height	23 cm	23.4 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 178, 818, 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, 164, 174, 175, 178	Sourced
Foliage texture	empty	coarse · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 4 1 earlier or rejected value Superseded coarse · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Fruit shape	empty	nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 4 1 earlier or rejected value Superseded nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Growth habit	Graminoid	Graminoid · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Maximum height	40 cm	40 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 178, 818, 898	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· TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 4 1 earlier or rejected value Superseded hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 4, 164, 175, 178, 818	Sourced
Ecology
Ground humidity	empty	1 / 12 · very dry (hyperxerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 178 1 earlier or rejected value Superseded 1 / 12 · very dry (hyperxerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Light	empty	8 / 9 · light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 178 1 earlier or rejected value Superseded 8 / 9 · light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-20 TRY 7.0 datasets 71, 445 1 earlier or rejected value Superseded None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 71, 445	Sourced
Soil nutriments	empty	1 / 9 · extremely poor (hyperoligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 178 1 earlier or rejected value Superseded 1 / 9 · extremely poor (hyperoligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	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 178, 242 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 178, 242	Sourced
Cultivation
Minimum root depth	53 cm	53 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-20 TRY 7.0 datasets 339, 474, 818, 898 1 earlier or rejected value Superseded 53 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 339, 474, 818, 898	Sourced
Other
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-20 TRY 7.0 datasets 174 1 earlier or rejected value Superseded None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 174	Not on the record
Soil ph indicator	—	9 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-20 TRY 7.0 datasets 178, 242 1 earlier or rejected value Superseded 9 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 242	Not on the record
Temperature indicator	—	8 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 242 1 earlier or rejected value Superseded 8 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Koeleria vallesiana (Honck.) Gaudin, 1808 25% complete

Somerset hair grass

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Data sources