Elodea nuttallii (Planch.) H.St.John, 1920 33% complete

Nutall waterweed

Rhodora 22: 29 (1920)

Data sources

Each value Trefle shows for Elodea nuttallii, 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 sources1 Source not recorded9 Not on the record8 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author (Planch.) H.St.John No source recorded
Source not recorded
Bibliography Rhodora 22: 29 (1920) 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 1920 No source recorded
Source not recorded
Descriptive
Common name Nutall waterweed No source recorded
Source not recorded
Observations S. Canada to U.S.A. No source recorded
Source not recorded
Morphology
Average height 94 cm Differs from sources
Biological type hydrophyte
  • hydrophyte · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09
    TRY 7.0 datasets 25, 71, 164, 174, 178, 500, 918
Sourced
Flower color white
  • white · 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
Maximum height 180 cm Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Duration perennial 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 7 / 9 · half-light to light
  • 7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
Sourced
Nitrogen fixation empty Not on the record
Ph maximum 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
Ph minimum 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
Soil nutriments 7 / 9 · rich (eutrophic) Sourced
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 178, 242, 489
Sourced
Usda legacy
C n ratio empty Not on the record
Other
Propagation method — Not on the record
Shade tolerance — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record