Data sources

Each value Trefle shows for Deschampsia cespitosa, 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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Sourced14 Differs from sources5 Source not recorded9 Not on the record5 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	(L.) P.Beauv.	No source recorded	Source not recorded
Bibliography	Ess. Agrostogr.: 91 (1812)	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	1812	No source recorded	Source not recorded
Descriptive
Common name	Tufted hairgrass	No source recorded	Source not recorded
Observations	Subarctic & Temp. to Trop. Mts.	No source recorded	Source not recorded
Morphology
Average height	30 cm	29.65 cm · TRY Plant Trait Database · Measured · 106 observations · 2026-10-09 TRY 7.0 datasets 1, 25, 28, 45, 76, 86, 116, 164, 174, 178, 192, 256, 310, 356, 449, 468, 526, 699, 706, 807, 882, 897, 898, 917, 918	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 15 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 164, 174, 178, 918	Sourced
Flower color	green, blue	green\|blue · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Differs from sources
Foliage texture	coarse	coarse · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 71	Sourced
Fruit shape	caryopsis	caryopsis · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 4, 882	Sourced
Growth habit	Graminoid	Graminoid · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Maximum height	100 cm	100 cm · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 1, 25, 28, 45, 76, 86, 116, 164, 174, 178, 192, 256, 310, 356, 449, 468, 526, 699, 706, 807, 882, 897, 898, 917, 918	Sourced
Sexuality	hermaphrodite	hermaphrodite · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	jun, jul, aug	jun, jul · TRY Plant Trait Database · Measured · 11 observations · 2026-10-09 TRY 7.0 datasets 4, 45	Differs from sources
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 23 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 28, 71, 86, 110, 164, 178, 460, 818, 882, 918	Sourced
Ecology
Atmospheric humidity	8 / 9 · very humid air	8 / 9 · very humid air · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ground humidity	7 / 12 · wet, flooded a few weeks a year (hygrophilous)	7 / 12 · wet, flooded a few weeks a year (hygrophilous) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Sourced
Light	5 / 9 · half-shade	6 / 9 · half-shade to half-light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Differs from sources
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 13 observations · 2026-10-09 TRY 7.0 datasets 1, 20, 57, 71, 89, 110, 444, 445, 882	Sourced
Ph maximum	pH 6.5	pH 6.5 · Earlier Trefle data · Inferred · 2026-10-19 value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement	Sourced
Ph minimum	pH 5.5	pH 5.5 · Earlier Trefle data · Inferred · 2026-10-19 value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement	Sourced
Soil nutriments	6 / 9 · rather rich (meso-eutrophic)	4 / 9 · rather poor (meso-oligotrophic) · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 178, 242, 489	Differs from sources
Soil salinity	0 / 9 · absent from saline soils	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	120 cm	120 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 192, 818	Sourced
Usda legacy
C n ratio	empty	32.3 · TRY Plant Trait Database · Measured · 19 observations · 2026-10-09 TRY 7.0 datasets 76, 105, 412, 454, 468	Not on the record
Other
Propagation method	—	seed, vegetative · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 174	Not on the record
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 174	Not on the record
Soil ph indicator	—	5 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Not on the record
Temperature indicator	—	5 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record

Deschampsia cespitosa (L.) P.Beauv., 1812 47% complete

Tufted hairgrass

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Data sources