Data sources

Each value Trefle shows for Cyperus difformis, 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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Sourced14 Source not recorded10 Not on the record3 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Cent. Pl. II: 6 (1756)	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	1756	No source recorded	Source not recorded
Descriptive
Common name	Dirty-dora	No source recorded	Source not recorded
Family common name	Sedge family	No source recorded	Source not recorded
Observations	Trop. & Subtrop. Old World	No source recorded	Source not recorded
Morphology
Average height	empty	40 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882, 918	Not on the record
Biological type	therophyte	therophyte · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 350, 882, 918	Sourced
Flower color	brown	brown · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 350, 882	Sourced
Fruit color	yellow	yellow · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Fruit shape	nut	nut · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 350, 882	Sourced
Growth habit	Graminoid	Graminoid · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Inflorescence type	empty	head · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 350	Not on the record
Maximum height	50 cm	50 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 882, 918	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	annual	annual · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09 TRY 7.0 datasets 882, 918	Sourced
Ecology
Atmospheric humidity	9 / 9 · saturated air	9 / 9 · saturated air · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Light	9 / 9 · full sun	9 / 9 · full sun · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 445, 882	Sourced
Ph maximum	pH 7.5	pH 7.5 · Earlier Trefle data · Inferred · 2026-10-19 value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement	Sourced
Ph minimum	pH 7	pH 7 · Earlier Trefle data · Inferred · 2026-10-19 value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement	Sourced
Soil nutriments	8 / 9 · very rich (pereutrophic)	8 / 9 · very rich (pereutrophic) · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Usda legacy
C n ratio	empty	32.9 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 228	Not on the record

Cyperus difformis L., 1756 39% complete

Dirty-dora

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Data sources