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Species · Ferns and horsetails

Brittle Bladder-fern

Cystopteris fragilis

643Records since 2000
MayPeak month
30Counties with records

When it is recorded

Jan3
Feb0
Mar4
Apr23
May120
Jun120
Jul120
Aug87
Sep72
Oct13
Nov8
Dec3

GBIF records by month, 2000–2025 (all years combined).

Where it is recorded

#CountyNationRecordsShare
1Highland Scotland134
2Perth and Kinross Scotland79
3North Yorkshire England74
4Argyll and Bute Scotland56
5Cumbria England35
6Powys Wales28
7Worcestershire England23
8Herefordshire, County of England15
9Stirling Scotland15
10Gwynedd Wales6
11Fermanagh and Omagh Northern Ireland5
12Fife Scotland4
13City of Edinburgh Scotland3
14Sheffield England3
15South Lanarkshire Scotland3
258 England304 Scotland33 Wales5 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 30 counties in all.

About this species

Records since 2000
643
Peak month
May
Counties with records
30
Scientific name
Cystopteris fragilis
Group
Ferns and horsetails
NBN Atlas records since 2000
4,725
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Plantae
Phylum
Tracheophyta
Class
Polypodiopsida
Order
Polypodiales
Family
Cystopteridaceae
Genus
Cystopteris
Name with authority
Cystopteris fragilis (L.) Bernh.
Contributing datasets
23

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q191532 · GBIF 2650818