Data sources

Each value Trefle shows for Achillea collina, 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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Sourced20 Source not recorded6 Not on the record5 Sources: TRY Plant Trait Database, Merged from a synonym record

Field	Shown	What the sources say
Core
Author	(Wirtg.) Becker ex Heimerl	No source recorded	Source not recorded
Bibliography	Becker. (1883). In: Sched. Fl. Exs. Austro-Hung. [Kerner] 3: 116.	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
Descriptive
Family common name	Aster family	No source recorded	Source not recorded
Observations	Europe	Europe · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05	Sourced
Morphology
Average height	34 cm	34 cm · TRY Plant Trait Database · Measured · 19 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 203, 926 2 earlier or rejected values Superseded 34 cm · TRY Plant Trait Database · Measured · 19 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 203, 926 Superseded 34 cm · TRY Plant Trait Database · Measured · 19 observations · 2026-09-17 TRY 7.0 datasets 25, 164, 203, 926	Sourced
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 164, 203, 500, 918 2 earlier or rejected values Superseded hemicryptophyte · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 164, 203, 500, 918 Superseded hemicryptophyte · TRY Plant Trait Database · Measured · 8 observations · 2026-09-17 TRY 7.0 datasets 4, 25, 71, 164, 203, 500, 918	Sourced
Flower color	white	white · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4 2 earlier or rejected values Superseded white · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4 Superseded white · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17 TRY 7.0 datasets 4	Sourced
Flower conspicuous	true	true · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05	Sourced
Foliage texture	fine	medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4 fine · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05 2 earlier or rejected values Superseded medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4 Superseded medium · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 4	Sourced
Fruit shape	empty	nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4 2 earlier or rejected values Superseded nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4 Superseded nut · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 4	Not on the record
Growth form	Rhizomatous	Rhizomatous · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05	Sourced
Growth habit	Forb/herb	Forb/herb · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05	Sourced
Growth rate	Moderate	Moderate · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05	Sourced
Maximum height	68 cm	68 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 203, 926 2 earlier or rejected values Superseded 68 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 203, 926 Superseded 68 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17 TRY 7.0 datasets 25, 164, 203, 926	Sourced
Sexuality	empty	gynomonoecious · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4 2 earlier or rejected values Superseded gynomonoecious · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4 Superseded gynomonoecious · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 4	Not on the record
Vegetable	false	false · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05	Sourced
Phenology
Bloom months	jun	jun · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 203 2 earlier or rejected values Superseded jun · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 203 Superseded jun · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17 TRY 7.0 datasets 4, 203	Sourced
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 4, 164, 203, 460, 918 2 earlier or rejected values Superseded perennial · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 4, 164, 203, 460, 918 Superseded perennial · TRY Plant Trait Database · Measured · 5 observations · 2026-09-17 TRY 7.0 datasets 4, 164, 203, 460, 918	Sourced
Ecology
Atmospheric humidity	3 / 9 · rather dry air	3 / 9 · rather dry air · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05	Sourced
Ground humidity	3 / 12 · rather dry (xerophilous)	3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 203, 242, 489 2 earlier or rejected values Superseded 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 203, 242, 489 Superseded 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 3 observations · 2026-09-17 TRY 7.0 datasets 203, 242, 489	Sourced
Light	8 / 9 · light	7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489 8 / 9 · light · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05 2 earlier or rejected values Superseded 7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489 Superseded 7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 489	Sourced
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71 2 earlier or rejected values Superseded None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71 Superseded None · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 71	Not on the record
Ph maximum	pH 7.5	pH 7.5 · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05	Sourced
Ph minimum	pH 7	pH 7 · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05	Sourced
Soil nutriments	3 / 9 · poor (oligotrophic)	3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489 3 / 9 · poor (oligotrophic) · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05 2 earlier or rejected values Superseded 3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489 Superseded 3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17 TRY 7.0 datasets 242, 489	Sourced
Soil salinity	0 / 9 · absent from saline soils	1 / 9 · barely saline (hyperoligohaline) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489 0 / 9 · absent from saline soils · Merged from a synonym record (Achillea millefolium subsp. collina) · Reported · 2026-09-05 2 earlier or rejected values Superseded 1 / 9 · barely saline (hyperoligohaline) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489 Superseded 1 / 9 · barely saline (hyperoligohaline) · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17 TRY 7.0 datasets 242, 489	Sourced
Other
Soil ph indicator	—	6 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 203, 242 2 earlier or rejected values Superseded 6 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 203, 242 Superseded 6 · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17 TRY 7.0 datasets 203, 242	Not on the record
Temperature indicator	—	6 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 203, 242 2 earlier or rejected values Superseded 6 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 203, 242 Superseded 6 · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17 TRY 7.0 datasets 203, 242	Not on the record

Achillea collina (Wirtg.) Becker ex Heimerl 45% complete

No common name

Data sources

Achillea collina (Wirtg.) Becker ex Heimerl 45% complete

No common name

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

Data sources