Data sources

Each value Trefle shows for Dactylorhiza purpurella, 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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Sourced3 Source not recorded8 Not on the record7 Sources: TRY Plant Trait Database, Merged from a synonym record

Field	Shown	What the sources say
Core
Author	(T.Stephenson & T.A.Stephenson) Soó	No source recorded	Source not recorded
Bibliography	Nom. Nov. Gen. Dactylorhiza: 5 (1962)	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	1962	No source recorded	Source not recorded
Descriptive
Common name	Northern marsh-orchid	No source recorded	Source not recorded
Observations	NW. Europe to NW. Netherlands	NW. Europe to NW. Netherlands · Merged from a synonym record (Dactylorhiza majalis subsp. purpurella) · Reported · 2026-09-05	Sourced
Morphology
Biological type	geophyte	geophyte · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 174, 178	Sourced
Maximum height	empty	25 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
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 178, 460	Sourced
Ecology
Ground humidity	empty	8 / 12 · very wet, flooded several months a year (hydrophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Light	empty	8 / 9 · light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71	Not on the record
Soil nutriments	empty	2 / 9 · very poor (peroligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Other
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 174	Not on the record
Soil ph indicator	—	7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record

Dactylorhiza purpurella (T.Stephenson & T.A.Stephenson) Soó, 1962 12% complete

Northern marsh-orchid

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

Data sources