Osmunda regalis L., 1753 47% complete

Royal fern

Sp. Pl.: 1065 (1753)

Data sources

Each value Trefle shows for Osmunda regalis, 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 sources2 Source not recorded18 Not on the record7 Sources: TRY Plant Trait Database
Field Shown What the sources say
Core
Author L. No source recorded
Source not recorded
Bibliography Sp. Pl.: 1065 (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 Royal fern No source recorded
Source not recorded
Observations Macaronesia, Europe to Medit. and Iran No source recorded
Source not recorded
Morphology
Average height 150 cm
  • 150 cm · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09
    TRY 7.0 datasets 25, 92, 116, 174, 178, 500
Sourced
Biological type hemicryptophyte
  • hemicryptophyte · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 4, 71, 174, 178, 350, 500
Sourced
Flower conspicuous false No source recorded
Source not recorded
Foliage color green Sourced
Foliage texture fine No source recorded
Source not recorded
Fruit conspicuous false No source recorded
Source not recorded
Growth form Rhizomatous No source recorded
Source not recorded
Growth habit Forb/herb No source recorded
Source not recorded
Growth rate Moderate Sourced
Maximum height 155 cm
  • 155 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 25, 92, 116, 174, 178, 500
Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months may, jun, jul No source recorded
Source not recorded
Duration perennial Sourced
Ecology
Atmospheric humidity 8 / 9 · very humid air No source recorded
Source not recorded
Ground humidity 9 / 12 · amphibious part of the year (seasonal helophyte)
  • 9 / 12 · amphibious part of the year (seasonal helophyte) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
Sourced
Light 4 / 9 · shade to half-shade
  • 6 / 9 · half-shade to half-light · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
Differs from sources
Nitrogen fixation empty Not on the record
Ph maximum pH 6 No source recorded
Source not recorded
Ph minimum pH 4 No source recorded
Source not recorded
Soil nutriments 4 / 9 · rather poor (meso-oligotrophic)
  • 5 / 9 · intermediate (mesotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
Differs from sources
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 174, 178, 242, 489
Sourced
Cultivation
Minimum root depth empty Not on the record
Usda legacy
C n ratio empty Not on the record
Other
Salt tolerance — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record