Data sources

Each value Trefle shows for Dryopteris marginalis, 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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Sourced2 Differs from sources1 Source not recorded9 Not on the record1 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	(L.) A.Gray	No source recorded	Source not recorded
Bibliography	Manual: 632 (1848)	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	1848	No source recorded	Source not recorded
Descriptive
Common name	Marginal fern	No source recorded	Source not recorded
Observations	Greenland, Canada to U.S.A.	No source recorded	Source not recorded
Morphology
Average height	49 cm	48.5 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 925	Differs from sources
Growth habit	Forb/herb	Forb/herb · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 53 observations · 2026-10-09 TRY 7.0 datasets 925	Sourced
Usda legacy
C n ratio	empty	20.6 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 412	Not on the record

Dryopteris marginalis (L.) A.Gray, 1848 14% complete

Marginal fern

.fa-secondary{opacity:.4} Data sources

Data sources