Data sources

Each value Trefle shows for Hypericum perforatum subsp. perforatum, 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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Sourced2 Differs from sources1 Source not recorded6 Not on the record3 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	empty	No source recorded 1 earlier or rejected value Rejected Linnaeus · Earlier Trefle data · Reported · 2026-10-19 autonym: no authorship under the Code	Not on the record
Bibliography	Sp. Pl.: 785 (1753)	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
Observations	Europe to C. Siberia and NW. Türkiye	No source recorded	Source not recorded
Morphology
Average height	empty	45 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71, 164, 175	Not on the record
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 71, 164, 175	Sourced
Maximum height	74 cm	73.5 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 71, 164, 175	Differs from sources
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 71, 164, 175	Sourced
Ecology
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71	Not on the record

Hypericum perforatum subsp. perforatum 1753 10% complete

No common name

Data sources

Hypericum perforatum subsp. perforatum 1753 10% complete

No common name

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

Data sources