Spirodela polyrhiza (L.) Schleid., 1839 33% complete

No common name

Linnaea 13: 392 (1839)

Data sources

Each value Trefle shows for Spirodela polyrhiza, 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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Sourced11 Differs from sources2 Source not recorded8 Not on the record11 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author (L.) Schleid. No source recorded
Source not recorded
Bibliography Linnaea 13: 392 (1839) 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 1839 No source recorded
Source not recorded
Descriptive
Observations Cosmopolitan No source recorded
Source not recorded
Morphology
Average height empty Not on the record
Biological type hydrophyte
  • hydrophyte · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09
    TRY 7.0 datasets 25, 71, 164, 174, 178, 500, 918
Sourced
Flower color green Sourced
Foliage color empty Not on the record
Foliage texture fine Sourced
Fruit color empty Not on the record
Growth rate empty Not on the record
Maximum height 1 cm Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months apr, may, jun
1 earlier or rejected value
Differs from sources
Duration annual, perennial
  • annual, perennial · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09
    TRY 7.0 datasets 92, 164, 178, 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
  • 11 / 12 · shallow or floating aquatic, 0 to 50 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20
    TRY 7.0 datasets 178
1 earlier or rejected value
  • Rejected 11 / 12 · shallow or floating aquatic, 0 to 50 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
Not on the record
Light 7 / 9 · half-light to light
  • 7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
Sourced
Nitrogen fixation None Sourced
Ph maximum pH 6.5
  • pH 6.5 · 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 5.5
  • pH 5.5 · 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
Soil nutriments 6 / 9 · rather rich (meso-eutrophic)
  • 7 / 9 · rich (eutrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
Differs from sources
Soil salinity 1 / 9 · barely saline (hyperoligohaline)
  • 1 / 9 · barely saline (hyperoligohaline) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
Sourced
Usda legacy
C n ratio empty Not on the record
Other
Salt tolerance — Not on the record
Shade tolerance — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record