Data sources

Each value Trefle shows for Potamogeton crispus, 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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Sourced16 Differs from sources4 Source not recorded11 Not on the record8 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 126 (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	Curled pondweed	No source recorded	Source not recorded
Observations	Old World	No source recorded	Source not recorded
Morphology
Average height	105 cm	105 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 164, 178, 500, 882, 918	Sourced
Biological type	hydrophyte	hydrophyte · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09 TRY 7.0 datasets 25, 71, 164, 174, 178, 500, 882, 918	Sourced
Flower color	green	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Flower conspicuous	false	No source recorded	Source not recorded
Foliage color	red	red · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Foliage texture	fine	fine · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 71, 92	Sourced
Fruit color	brown	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit conspicuous	false	No source recorded	Source not recorded
Fruit shape	nut	nut · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 882	Sourced
Growth form	Single Crown	Single Crown · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth habit	Forb/herb	Forb/herb · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth rate	Rapid	Rapid · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	180 cm	180 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 164, 178, 500, 882, 918	Sourced
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
Bloom months	jun, jul, aug, sep	jun\|jul\|aug\|sep · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Differs from sources
Duration	annual, perennial	annual, perennial · TRY Plant Trait Database · Measured · 15 observations · 2026-10-09 TRY 7.0 datasets 25, 71, 92, 164, 178, 460, 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
Ground humidity	empty	12 / 12 · deep or submerged aquatic, 1 to 3 m · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 178 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 178	Not on the record
Light	6 / 9 · half-shade to half-light	7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 169, 489	Differs from sources
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 71, 445, 882	Sourced
Ph maximum	pH 8.5	pH 8.5 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 6.4	pH 6.4 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Soil nutriments	7 / 9 · rich (eutrophic)	6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 169, 242, 489	Differs from sources
Soil salinity	0 / 9 · absent from saline soils	1 / 9 · barely saline (hyperoligohaline) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Differs from sources
Usda legacy
C n ratio	empty	10.7 · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 229, 590	Not on the record
Other
Halophyte status	—	High · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Salt tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 92, 174	Not on the record
Soil ph indicator	—	8 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Not on the record
Temperature indicator	—	5 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Potamogeton crispus L., 1753 54% complete

Curled pondweed

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Data sources