Cystopteris tenuis

ClassificationPteridophytes
FamilyWoodsiaceae
Family (Traditional)Woodsiaceae
GenusCystopteris
Species:Cystopteris tenuis (Michx.) Desv.
Common NameUpland Brittle Bladderfern
Growth Habitfern
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: GRSM; Natural Area Presence: NRG; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: fern; Moisture Requirements: Mesic; Region of Origin: North America; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Leaf Arrangement: basal; Leaf Complexity: compound; Leaf Dissection: 1; Leaf Dissection: 1.5; Leaf Dissection: 2; Leaf Dissection: 2.5; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Rank: N/A; Leaf Type: fern-like; Leaf Venation: pinnate; Leaflet Margins: serrate; Leaflet Margins: serrulate; Leaflet Number: 20+; Anther Type: N/A; Carpel Number/Pistil: N/A; Fruit Complexity: N/A; Fruit Type: N/A; Fruit Wet/Dry: N/A; Hypanthium Present: No; Inflorescence Position: N/A; Inflorescence Types: N/A; Ovary Position: N/A; Overall Flower Symmetry: N/A; Ovules per Carpel: N/A; Perianth Present: No; Petal Fusion: N/A; Petal Number: N/A; Pistil Complexity: N/A; Pistil Number: N/A; Placentation Type: N/A; Sepal Fusion: N/A; Sepal Number: N/A; Sexuality: N/A; Sporangium Arrangement: round sori; Stamen Number: N/A; Tepal Number: N/A
C value 10
StatusNative; TN[S1S2] KY[S2S3] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

SynonymFull Citation
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 the accession number to view details; click on column headers to sort.

Counties included on distribution map: Carter (KY), Christian (KY), Crittenden (KY), Harlan (KY), McCreary (KY), Menifee (KY), Morgan (KY), Wolfe (KY), Cheatham (TN), Fentress (TN), Greene (TN), Montgomery (TN), Unicoi (TN)

Herbaria represented by specimen data listed below: APSC, EKY, ETSU, MDKY, TENN

Range of years during which specimens were collected: 1965 - 1989

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100010246 Crittenden Kentucky 27 May 1969 Raymond Athey
644
EKY
Cystopteris tenuis
31234100009750 Wolfe Kentucky 01 Aug 1988 Julian Campbell
EKY
Cystopteris tenuis
31234100733136 Wolfe Kentucky 01 Aug 1988 Julian Campbell
EKY
Cystopteris tenuis
31234100009768 Cheatham Tennessee 19 Jun 1976 Ronald L. Jones
1547
EKY
Cystopteris tenuis
31234100733144 Menifee Kentucky 24 Aug 1988 Julian Campbell
s.n.
EKY
Cystopteris tenuis
31234100009891 Carter Kentucky 25 Apr 1965 Elizabeth M. Browne
9826
EKY
Cystopteris tenuis
31234100462215 Menifee Kentucky 25 Apr 1989 Ross C. Clark
22201
EKY
Cystopteris tenuis
ETSU000923 Unicoi Tennessee
ETSU
Cystopteris tenuis
MDKY00001495 Morgan Kentucky
MDKY
Cystopteris tenuis
TENN-V-0009419 Montgomery Tennessee
TENN
Cystopteris tenuis
TENN-V-0009418 Montgomery Tennessee
TENN
Cystopteris tenuis
TENN-V-0009417 Cheatham Tennessee
TENN
Cystopteris tenuis
APSC0070970 Menifee Kentucky
APSC
Cystopteris tenuis
APSC0087686 McCreary Kentucky
APSC
Cystopteris tenuis
APSC0062604 McCreary Kentucky
APSC
Cystopteris tenuis
APSC0089143 McCreary Kentucky
APSC
Cystopteris tenuis
APSC0047895 Christian Kentucky
APSC
Cystopteris tenuis
APSC0045745 Fentress Tennessee
APSC
Cystopteris tenuis
APSC0066498 Wolfe Kentucky
APSC
Cystopteris tenuis
APSC0113006 McCreary Kentucky
APSC
Cystopteris tenuis
APSC0113004 Harlan Kentucky
APSC
Cystopteris tenuis
ETSU030777 Greene Tennessee
ETSU
Cystopteris tenuis
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Plant Photos

Cystopteris tenuis - Joey Shaw
Cystopteris tenuis - Joey Shaw