Data sources

Each value Trefle shows for Phleum alpinum, 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 recorded11 Not on the record10 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 59 (1753)	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	1753	No source recorded	Source not recorded
Descriptive
Common name	Alpine timothy	No source recorded	Source not recorded
Observations	Subarctic & Temp. Northern Hemisphere to Guatemala, S. South America, South Georgia	No source recorded	Source not recorded
Morphology
Average height	34 cm	34.3 cm · TRY Plant Trait Database · Measured · 52 observations · 2026-10-09 TRY 7.0 datasets 1, 25, 45, 92, 164, 174, 178, 256, 310, 468, 500, 807, 898, 918	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09 TRY 7.0 datasets 4, 71, 84, 164, 174, 175, 178, 500, 918	Sourced
Flower color	blue	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Differs from sources
Flower conspicuous	false	No source recorded	Source not recorded
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 conspicuous	false	No source recorded	Source not recorded
Fruit shape	nut	nut · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
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	Slow	Slow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	empty	No source recorded 1 earlier or rejected value Rejected 18.5 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 1, 25, 45, 92, 164, 174, 178, 256, 310, 468, 500, 807, 898, 918 below the average height (34 cm) of the same record	Not on the record
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	jul	jul · TRY Plant Trait Database · Measured · 8 observations · 2026-10-20 TRY 7.0 datasets 4, 45, 174 1 earlier or rejected value Superseded feb, jul · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 4, 45, 174	Sourced
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 11 observations · 2026-10-09 TRY 7.0 datasets 4, 92, 110, 164, 175, 178, 460, 818, 918	Sourced
Ecology
Atmospheric humidity	6 / 9 · moderately humid air	6 / 9 · moderately humid air · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ground humidity	empty	5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Light	8 / 9 · light	8 / 9 · light · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 14 observations · 2026-10-09 TRY 7.0 datasets 1, 20, 57, 71, 89, 130, 444, 445	Sourced
Ph maximum	pH 7.5	pH 7.5 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 5	pH 5 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Soil nutriments	6 / 9 · rather rich (meso-eutrophic)	4 / 9 · rather poor (meso-oligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Differs from sources
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	30 cm	30 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 92, 818, 898	Sourced
Usda legacy
C n ratio	empty	22.1 · TRY Plant Trait Database · Measured · 13 observations · 2026-10-09 TRY 7.0 datasets 228, 329, 372, 412, 468	Not on the record
Other
Human usage type	—	fodder · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Propagation method	—	seed · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	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 · 6 observations · 2026-10-09 TRY 7.0 datasets 92, 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	—	3 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Phleum alpinum L., 1753 52% complete

Alpine timothy

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Data sources