Ophioglossum vulgatum L., 1753 33% complete

Adder's-tongue

Sp. Pl.: 1062 (1753)

Data sources

Each value Trefle shows for Ophioglossum vulgatum, 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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Sourced8 Differs from sources4 Source not recorded9 Not on the record6 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.: 1062 (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 Adder's-tongue No source recorded
Source not recorded
Observations Temp. & Subtrop. Northern Hemisphere, Africa, S. South America No source recorded
Source not recorded
Morphology
Average height 18 cm
  • 17.5 cm · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 164, 174, 178, 500, 654, 918
Differs from sources
Biological type geophyte
  • geophyte · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09
    TRY 7.0 datasets 4, 71, 164, 174, 175, 178, 500, 918
Sourced
Foliage texture empty Not on the record
Maximum height 25 cm
  • 25 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 164, 174, 178, 500, 654, 918
Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months may, jun, jul
1 earlier or rejected value
Differs from sources
Duration perennial Sourced
Ecology
Atmospheric humidity 8 / 9 · very humid air
  • 8 / 9 · very humid air · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ground humidity empty
  • 7 / 12 · wet, flooded a few weeks a year (hygrophilous) · 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 None Sourced
Ph maximum pH 7.5
  • pH 7.5 · 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 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
Soil nutriments 2 / 9 · very poor (peroligotrophic)
  • 3 / 9 · poor (oligotrophic) · 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)
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 174, 178, 489
Differs from sources
Other
Shade tolerance — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record