Data sources

Each value Trefle shows for Avenella flexuosa, 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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Sourced16 Differs from sources3 Source not recorded9 Not on the record10 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	(L.) Drejer	No source recorded	Source not recorded
Bibliography	Fl. Excurs. Hafn.: 32 (1838)	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	1838	No source recorded	Source not recorded
Descriptive
Common name	Wavy hairgrass	No source recorded	Source not recorded
Observations	Europe to Japan and Malesian Mts., Macaronesia, NW. & Trop. Montane Africa, Greenland to C. & E. U.S.A., S. South America to Falkland Is.	No source recorded	Source not recorded
Morphology
Average height	13 cm	13 cm · TRY Plant Trait Database · Measured · 144 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 45, 76, 86, 88, 92, 116, 164, 174, 178, 310, 468, 500, 818, 897, 898, 918	Sourced
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 84, 164, 174, 178, 264, 500, 918	Sourced
Flower color	white, purple	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Differs from sources
Foliage color	empty	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Foliage texture	fine	fine · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Fruit color	empty	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Fruit shape	empty	nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Growth form	Bunch	Bunch · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth habit	Graminoid	Graminoid · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth rate	Moderate	Moderate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	15 cm	15 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 45, 76, 86, 88, 92, 116, 164, 174, 178, 310, 468, 500, 818, 897, 898, 918	Sourced
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	may, jun, jul, aug	jun, jul · TRY Plant Trait Database · Measured · 13 observations · 2026-10-20 TRY 7.0 datasets 4, 45, 174, 264 1 earlier or rejected value Superseded feb, jun, jul · TRY Plant Trait Database · Measured · 13 observations · 2026-10-09 TRY 7.0 datasets 4, 45, 174, 264	Differs from sources
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 19 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 86, 92, 110, 164, 178, 264, 460, 818, 918	Sourced
Ecology
Atmospheric humidity	5 / 9 · medium air humidity	5 / 9 · medium air humidity · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ground humidity	5 / 12 · fresh, never flooded (mesohydric)	5 / 12 · fresh, never flooded (mesohydric) · 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 · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Differs from sources
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 59 observations · 2026-10-09 TRY 7.0 datasets 20, 37, 57, 67, 71, 89, 110, 130	Sourced
Ph maximum	pH 6.8	pH 6.8 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 4.8	pH 4.8 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Soil nutriments	3 / 9 · poor (oligotrophic)	3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Sourced
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 178, 242, 489	Sourced
Cultivation
Minimum root depth	20 cm	20 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 92, 818, 898	Sourced
Usda legacy
C n ratio	empty	25.2 · TRY Plant Trait Database · Measured · 32 observations · 2026-10-09 TRY 7.0 datasets 76, 88, 105, 329, 412, 454, 468	Not on the record
Other
Propagation method	—	seed · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 174	Not on the record
Salt tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 92, 174	Not on the record
Soil ph indicator	—	2 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	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

Avenella flexuosa (L.) Drejer, 1838 47% complete

Wavy hairgrass

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Data sources