Data sources

Each value Trefle shows for Lactuca plumieri, 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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Sourced10 Source not recorded9 Not on the record8 Sources: TRY Plant Trait Database, Merged from a synonym record

Field	Shown	What the sources say
Core
Author	(L.) Gren. & Godr.	No source recorded	Source not recorded
Bibliography	Gren., Godr. (1779). In: Fl. Fr. 2: 322.	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	1855	No source recorded	Source not recorded
Descriptive
Common name	Hairless blue-sow-thistle	No source recorded	Source not recorded
Family common name	Aster family	No source recorded	Source not recorded
Observations	C. & S. Europe	No source recorded	Source not recorded
Morphology
Average height	empty	60 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 25 2 earlier or rejected values Superseded 60 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 25 Superseded 60 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 25	Not on the record
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71 2 earlier or rejected values Superseded hemicryptophyte · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71 Superseded hemicryptophyte · TRY Plant Trait Database · Measured · 3 observations · 2026-09-17 TRY 7.0 datasets 4, 25, 71	Sourced
Flower color	blue	blue · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4 2 earlier or rejected values Superseded blue · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4 Superseded blue · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17 TRY 7.0 datasets 4	Sourced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nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4 2 earlier or rejected values Superseded nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4 Superseded nut · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 4	Not on the record
Maximum height	empty	80 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 25 2 earlier or rejected values Superseded 80 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 25 Superseded 80 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 25	Not on the record
Sexuality	empty	hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4 2 earlier or rejected values Superseded hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4 Superseded hermaphrodite · 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 (Cicerbita plumieri) · Reported · 2026-09-05	Sourced
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 25 2 earlier or rejected values Superseded perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 25 Superseded perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17 TRY 7.0 datasets 4, 25	Sourced
Ecology
Atmospheric humidity	8 / 9 · very humid air	8 / 9 · very humid air · Merged from a synonym record (Cicerbita plumieri) · Reported · 2026-09-05	Sourced
Ground humidity	empty	5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242 2 earlier or rejected values Superseded 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242 Superseded 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 242	Not on the record
Light	5 / 9 · half-shade	5 / 9 · half-shade · Merged from a synonym record (Cicerbita plumieri) · Reported · 2026-09-05	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	pH 7 · Merged from a synonym record (Cicerbita plumieri) · Reported · 2026-09-05	Sourced
Ph minimum	pH 6.5	pH 6.5 · Merged from a synonym record (Cicerbita plumieri) · Reported · 2026-09-05	Sourced
Soil nutriments	7 / 9 · rich (eutrophic)	7 / 9 · rich (eutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242 7 / 9 · rich (eutrophic) · Merged from a synonym record (Cicerbita plumieri) · Reported · 2026-09-05 2 earlier or rejected values Superseded 7 / 9 · rich (eutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242 Superseded 7 / 9 · rich (eutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 242	Sourced
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242 0 / 9 · absent from saline soils · Merged from a synonym record (Cicerbita plumieri) · Reported · 2026-09-05 2 earlier or rejected values Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242 Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 242	Sourced
Other
Soil ph indicator	—	6 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242 2 earlier or rejected values Superseded 6 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242 Superseded 6 · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 242	Not on the record
Temperature indicator	—	3 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242 2 earlier or rejected values Superseded 3 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242 Superseded 3 · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17 TRY 7.0 datasets 242	Not on the record

Lactuca plumieri (L.) Gren. & Godr., 1855 29% complete

Hairless blue-sow-thistle

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Data sources