Data sources

Each value Trefle shows for Cystopteris fragilis, 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.

Something wrong? Suggest a correction.

Sourced9 Differs from sources1 Source not recorded10 Not on the record6 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	(L.) Bernh.	No source recorded	Source not recorded
Bibliography	Neues J. Bot. 1(2): 26 (1805)	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	1805	No source recorded	Source not recorded
Descriptive
Common name	Brittle bladder fern	No source recorded	Source not recorded
Observations	Cosmopolitan	No source recorded	Source not recorded
Morphology
Average height	19 cm	18.75 cm · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09 TRY 7.0 datasets 25, 45, 164, 174, 178, 200, 500, 918	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 11 observations · 2026-10-09 TRY 7.0 datasets 4, 71, 164, 174, 178, 350, 500, 918	Sourced
Foliage texture	empty	fine · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Growth habit	Forb/herb	No source recorded	Source not recorded
Maximum height	40 cm	40 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 25, 45, 164, 174, 178, 200, 500, 918	Sourced
Sexuality	empty	hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	jul, aug	jul, aug · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 45	Sourced
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 4, 164, 178, 918	Sourced
Ecology
Ground humidity	7 / 12 · wet, flooded a few weeks a year (hygrophilous)	7 / 12 · wet, flooded a few weeks a year (hygrophilous) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Sourced
Light	6 / 9 · half-shade to half-light	6 / 9 · half-shade to half-light · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 71, 882	Sourced
Soil nutriments	5 / 9 · intermediate (mesotrophic)	5 / 9 · intermediate (mesotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Sourced
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
Other
Halophyte status	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Shade tolerance	—	Deep · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 174	Not on the record
Soil ph indicator	—	7 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Not on the record
Temperature indicator	—	5 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Not on the record

Cystopteris fragilis (L.) Bernh., 1805 31% complete

Brittle bladder fern

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

Data sources