Cystopteris tenuis

ClassificationFerns and Fern Allies
Family (Traditional)Dryopteridaceae
SpeciesCystopteris tenuis (Michx.) Desv.
Common NameMackay's fragile fern; Mackay's brittle fern, Slender fragile fern, Upland brittle bladder fern
Growth HabitFern
Plant Notes**
C value 10
StatusNative, FACU (NWPL)
Specimens View and Download Specimen Details »

** Not applicable or data not available.

Subspecies and Varieties

Not applicable or data not available.


SynonymFull CitationBasionymType
Cystopteris fragilis var. mackayi Cystopteris fragilis var. mackayi Lawson  
Cystopteris fragilis var. mackayii Cystopteris fragilis var. mackayii  

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on an accession number to view full details; click on column headers to sort.

Counties included on distribution map: Marion, Porter

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: BUT

Range of years during which specimens were collected: 2006 - 2006

Accession No. (click for full details) County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
155017 Marion 15 Aug 2006 P. A. Scott
Cystopteris tenuis (Michx.) Desvaux
94574 Porter 5/31/1924 Marcus W. Lyon, Jr.
Cystopteris tenuis (Michx.) Desv.
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