Data sources

Each value Trefle shows for Juncus jacquinii, 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 Differs from sources2 Source not recorded11 Not on the record7 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Syst. Nat. ed. 10, 2: 251 (1767)	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	1767	No source recorded	Source not recorded
Descriptive
Common name	Jacquin's rush	No source recorded	Source not recorded
Observations	Alps	No source recorded	Source not recorded
Morphology
Average height	26 cm	26 cm · TRY Plant Trait Database · Measured · 35 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 421, 807	Sourced
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 164	Sourced
Flower color	brown	brown · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Flower conspicuous	false	No source recorded	Source not recorded
Foliage texture	fine	medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Differs from sources
Fruit conspicuous	false	No source recorded	Source not recorded
Fruit shape	empty	capsule · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Growth form	Stoloniferous	Stoloniferous · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth habit	Graminoid	Graminoid · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth rate	Slow	Slow · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Maximum height	28 cm	27.5 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 421, 807	Differs from sources
Sexuality	empty	hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
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 4, 164, 818	Sourced
Ecology
Atmospheric humidity	6 / 9 · moderately humid air	6 / 9 · moderately humid air · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ground humidity	empty	5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record
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	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71	Not on the record
Ph maximum	pH 4.5	pH 4.5 · 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 4	pH 4 · 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	1 / 9 · extremely poor (hyperoligotrophic)	1 / 9 · extremely poor (hyperoligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Sourced
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Sourced
Cultivation
Minimum root depth	73 cm	73 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 818	Sourced
Usda legacy
C n ratio	empty	49.2 · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 228, 468	Not on the record
Other
Soil ph indicator	—	2 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record
Temperature indicator	—	2 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Juncus jacquinii L., 1767 45% complete

Jacquin's rush

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Data sources