Data sources

Each value Trefle shows for Euphrasia collina subsp. tetragona, 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 Differs from sources1 Source not recorded6 Not on the record2 Sources: TRY Plant Trait Database, POWO / WCVP (Kew)

Field	Shown	What the sources say
Core
Author	(R.Br.) W.R.Barker	(R.Br.) W.R.Barker · POWO / WCVP (Kew) · Reported · 2026-10-11	Sourced
Bibliography	J. Adelaide Bot. Gard. 5:189. 1982	No source recorded	Source not recorded
Rank	ssp	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1982	No source recorded	Source not recorded
Descriptive
Observations	S. Australia	No source recorded	Source not recorded
Morphology
Fruit shape	capsule	capsule · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Maximum height	39 cm	38.5 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 882	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 882	Sourced
Ecology
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Other
Halophyte status	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record

Euphrasia collina subsp. tetragona (R.Br.) W.R.Barker, 1982 10% complete

No common name

Data sources

Euphrasia collina subsp. tetragona (R.Br.) W.R.Barker, 1982 10% complete

No common name

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

Data sources