Data sources

Each value Trefle shows for Caltha palustris var. palustris, 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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Sourced19 Differs from sources1 Source not recorded6 Not on the record2 Sources: TRY Plant Trait Database, Earlier Trefle data, GBIF

Field	Shown	What the sources say
Core
Bibliography	Unknown	Unknown · GBIF · Reported · 2026-09-05 1 earlier or rejected value Superseded Unknown · GBIF · Reported · 2026-09-05	Sourced
Phylum	Tracheophyta	Tracheophyta · GBIF · Reported · 2026-09-05	Sourced
Rank	var	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	Marsh-marigold	No source recorded	Source not recorded
Observations	Temp. & Subarctic Northern Hemisphere	No source recorded	Source not recorded
Morphology
Average height	41 cm	41.25 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 116, 918	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 918	Sourced
Flower color	yellow	yellow · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	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	green	green · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Foliage texture	coarse	coarse · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Fruit color	brown	brown · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth form	Single Crown	Single Crown · 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	Slow	Slow · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 918	Sourced
Ecology
Ground humidity	9 / 12 · amphibious part of the year (seasonal helophyte)	9 / 12 · amphibious part of the year (seasonal helophyte) · TRY Plant Trait Database · Measured · 4 observations · 2026-10-20 TRY 7.0 datasets 489 1 earlier or rejected value Superseded 9 / 12 · amphibious part of the year (seasonal helophyte) · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 489	Sourced
Light	6 / 9 · half-shade to half-light	6 / 9 · half-shade to half-light · TRY Plant Trait Database · Measured · 4 observations · 2026-10-20 TRY 7.0 datasets 489 1 earlier or rejected value Superseded 6 / 9 · half-shade to half-light · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 489	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-20 TRY 7.0 datasets 71 1 earlier or rejected value Superseded None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 71	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 4.9	pH 4.9 · 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)	6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 4 observations · 2026-10-20 TRY 7.0 datasets 489 1 earlier or rejected value Superseded 6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 489	Sourced
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 4 observations · 2026-10-20 TRY 7.0 datasets 489 1 earlier or rejected value Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 489	Sourced
Other
Soil ph indicator	—	5 · TRY Plant Trait Database · Measured · 4 observations · 2026-10-20 TRY 7.0 datasets 489 1 earlier or rejected value Superseded 5 · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 489	Not on the record
Temperature indicator	—	5 · TRY Plant Trait Database · Measured · 4 observations · 2026-10-20 TRY 7.0 datasets 489 1 earlier or rejected value Superseded 5 · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 489	Not on the record

Caltha palustris var. palustris 1753 43% complete

Marsh-marigold

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Data sources