Data sources

Each value Trefle shows for Carex foenea, 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.

Something wrong? Suggest a correction.

Sourced2 Differs from sources1 Source not recorded8 Not on the record2 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Willd.	No source recorded	Source not recorded
Bibliography	Enum. Pl. 2: 957 (1809)	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	1809	No source recorded	Source not recorded
Descriptive
Family common name	Sedge family	No source recorded	Source not recorded
Observations	Subarctic America to N. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	17 cm	16.5 cm · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09 TRY 7.0 datasets 7, 28, 66, 256, 468, 608	Differs from sources
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 7, 925	Sourced
Ecology
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 57	Not on the record
Cultivation
Minimum root depth	5 cm	5 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 608	Sourced
Usda legacy
C n ratio	empty	42.2 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 7	Not on the record

Carex foenea Willd., 1809 12% complete

No common name

Data sources

Carex foenea Willd., 1809 12% complete

No common name

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

Data sources