Data sources

Each value Trefle shows for Achillea millefolium subsp. millefolium, 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 sources4 Source not recorded7 Not on the record10 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	empty	No source recorded 1 earlier or rejected value Rejected (Wimm., Günther & Grab.) Gremli · Earlier Trefle data · Reported · 2026-10-19 autonym: no authorship under the Code	Not on the record
Bibliography	(1753). Sp. Pl.	No source recorded	Source not recorded
Rank	ssp	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1753	No source recorded	Source not recorded
Descriptive
Family common name	Aster family	No source recorded	Source not recorded
Observations	Subarctic & Temp. Northern Hemisphere to Guatemala	No source recorded	Source not recorded
Morphology
Average height	23 cm	22.95 cm · TRY Plant Trait Database · Measured · 22 observations · 2026-10-09 TRY 7.0 datasets 71, 92, 164, 251, 256, 468, 500, 918	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 71, 164, 500, 918	Sourced
Flower color	white	white · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded white · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 4, 92	Sourced
Flower conspicuous	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Foliage color	empty	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record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· TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record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	Rhizomatous	Rhizomatous · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth habit	Forb/herb	Forb/herb · 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 · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded Moderate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	62 cm	61.5 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 71, 92, 164, 251, 256, 468, 500, 918	Differs from sources
Sexuality	empty	gynomonoecious · 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 · 9 observations · 2026-10-09 TRY 7.0 datasets 71, 92, 164, 432, 818, 918	Sourced
Ecology
Ground humidity	5 / 12 · fresh, never flooded (mesohydric)	5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-20 TRY 7.0 datasets 242, 489 1 earlier or rejected value Superseded 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 242, 489	Sourced
Light	7 / 9 · half-light to light	7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 489 1 earlier or rejected value Superseded 7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 489	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 16 observations · 2026-10-20 TRY 7.0 datasets 71, 130 1 earlier or rejected value Superseded None · TRY Plant Trait Database · Measured · 17 observations · 2026-10-09 TRY 7.0 datasets 71, 130	Sourced
Ph maximum	pH 8	pH 8 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 6	pH 6 · 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)	5 / 9 · intermediate (mesotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 242 1 earlier or rejected value Superseded 6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489	Differs from sources
Soil salinity	1 / 9 · barely saline (hyperoligohaline)	1 / 9 · barely saline (hyperoligohaline) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 242 1 earlier or rejected value Superseded 1 / 9 · barely saline (hyperoligohaline) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489	Sourced
Cultivation
Minimum root depth	20 cm	64 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-20 TRY 7.0 datasets 92, 432 1 earlier or rejected value Superseded 20 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 92, 432	Differs from sources
Usda legacy
C n ratio	empty	16.2 · TRY Plant Trait Database · Measured · 8 observations · 2026-10-20 TRY 7.0 datasets 412, 468 1 earlier or rejected value Superseded 16.2 · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 412, 468	Not on the record
Other
Salt tolerance	—	Low · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded Low · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	Intermediate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded Intermediate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Soil ph indicator	—	6 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 489 1 earlier or rejected value Superseded 6 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 489	Not on the record
Temperature indicator	—	5 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 489 1 earlier or rejected value Superseded 5 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 489	Not on the record

Achillea millefolium subsp. millefolium 1753 43% complete

No common name

Data sources

Achillea millefolium subsp. millefolium 1753 43% complete

No common name

.fa-secondary{opacity:.4} Data sources

Data sources