Data sources

Each value Trefle shows for Vallisneria spiralis, 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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Sourced6 Differs from sources1 Source not recorded15 Not on the record5 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 1015 (1753)	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	1753	No source recorded	Source not recorded
Descriptive
Common name	Coiled vallisneria	No source recorded	Source not recorded
Observations	Europe to Indo-China and S. Africa	No source recorded	Source not recorded
Morphology
Average height	68 cm	67.5 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 116, 164, 500, 918	Differs from sources
Biological type	hydrophyte	hydrophyte · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 25, 71, 164, 174, 500, 918	Sourced
Flower color	white	No source recorded	Source not recorded
Maximum height	empty	100 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 116, 164, 500, 918	Not on the record
Sexuality	dioecious	dioecious · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	jul, aug, sep, oct	No source recorded	Source not recorded
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 164, 882, 918	Sourced
Ecology
Atmospheric humidity	9 / 9 · saturated air	No source recorded	Source not recorded
Ground humidity	empty	No source recorded 1 earlier or rejected value Rejected 12 / 12 · deep or submerged aquatic, 1 to 3 m · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record
Light	7 / 9 · half-light to light	No source recorded	Source not recorded
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 71, 445	Sourced
Ph maximum	pH 7.5	No source recorded	Source not recorded
Ph minimum	pH 7	No source recorded	Source not recorded
Soil nutriments	7 / 9 · rich (eutrophic)	7 / 9 · rich (eutrophic) · 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
Usda legacy
C n ratio	empty	10.2 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 229	Not on the record
Other
Soil ph indicator	—	7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record
Temperature indicator	—	8 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Vallisneria spiralis L., 1753 35% complete

Coiled vallisneria

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Data sources