Isoetes butleri

ClassificationPteridophytes
FamilyIsoetaceae
Family (Traditional)Isoetaceae
GenusIsoetes
Species:Isoetes butleri Engelm.
Common NameLimestone Quillwort
Growth Habitfern ally
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: GILES; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: fern ally; Moisture Requirements: Xeric; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Moisture Requirements: Mesic; Moisture Requirements: Mesic-Hydric; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: May; Reproductive Phenology: June; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Rank: N/A; Leaf Type: grass-like; Leaf Venation: one-veined; Leaflet Margins: entire; Leaflet Number: 0; 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: upright panicle; Stamen Number: N/A; Tepal Number: N/A
C value 8
StatusNative; AGCP (OBL), EMP (FACW) (NWPL); TN[SNR] KY[S1] (State Rank); G4 (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

No synonyms exist for this species.

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: Logan (KY), Simpson (KY), Warren (KY), Bedford (TN), Blount (TN), Davidson (TN), Giles (TN), Lincoln (TN), Marshall (TN), Maury (TN), Rutherford (TN), Van Buren (TN), Williamson (TN), Wilson (TN)

Herbaria represented by specimen data listed below: EKY, KNK, TENN, UCHT

Range of years during which specimens were collected: 1934 - 2002

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31973000004308 Logan Kentucky Heafner, Kerry
KNK
Isoetes butleri
31973000004307 Williamson Tennessee 04 Jun 1984 Kral, Robert
71529
KNK
Isoetes butleri
TENN-V-0001417 Davidson Tennessee 25 May 1935 Jesse M. Shaver
2351
TENN
Isoetes butleri
TENN-V-0210005 Davidson Tennessee A. Gattinger
TENN
Isoetes butleri
TENN-V-0001416 Davidson Tennessee 30 Mar 1934 L. R. Hesler
116
TENN
Isoetes butleri
TENN-V-0001418 Davidson Tennessee 31 Mar 1934 L.R. Hesler, Harold Bold, A.J. Sharp
114
TENN
Isoetes butleri
TENN-V-0001406 Williamson Tennessee 11 May 1952 Jesse M. Shaver
10962
TENN
Isoetes butleri
TENN-V-0001419 Davidson Tennessee 28 Apr 1974 R. Kral
52572
TENN
Isoetes butleri
TENN-V-0001413 Rutherford Tennessee 16 May 1959 A. J. Sharp
25916
TENN
Isoetes butleri
TENN-V-0001408 Wilson Tennessee 18 May 1979 Brian Boom
342
TENN
Isoetes butleri
TENN-V-0001410 Wilson Tennessee 18 May 1941 Jesse M. Shaver
2374
TENN
Isoetes butleri
TENN-V-0001407 Wilson Tennessee 02 Jun 1989 R. Kral
76492
TENN
Isoetes butleri
TENN-V-0001486 Warren Kentucky
TENN
Isoetes butleri
TENN-V-0001409 Wilson Tennessee 25 May 1978 Brian Boom
117
TENN
Isoetes butleri
TENN-V-0001412 Wilson Tennessee 02 May 1980 W. Nanek
19
TENN
Isoetes butleri
TENN-V-0001421 Wilson Tennessee 25 May 1978 Brian Boom
107
TENN
Isoetes butleri
TENN-V-0001405 Williamson Tennessee 11 May 1952 Jesse M. Shaver
10964
TENN
Isoetes butleri
TENN-V-0001411 Wilson Tennessee 22 Apr 1936 H. K. Svenson
7749
TENN
Isoetes butleri
TENN-V-0001420 Wilson Tennessee 26 May 1977 David H. Webb, Eugene Wofford, A.M. Evans
883
TENN
Isoetes butleri
TENN-V-0210006 Rutherford Tennessee A. Gattinger
TENN
Isoetes butleri
TENN-V-0001414 Giles Tennessee 17 Mar 2002 Dwayne Estes
3043
TENN
Isoetes butleri
TENN-V-0001415 Davidson Tennessee 31 Mar 1935 Jesse M. Shaver
2347
TENN
Isoetes butleri
TENN-V-0001404 Rutherford Tennessee 10 May 1958 A.J. Sharp, A.C. Koelling
23142
TENN
Isoetes butleri
UCHT006102 Wilson Tennessee
UCHT
Isoetes butleri
31234100018017 Wilson Tennessee 02 May 1980 T. Filipczak
91
EKY
Isoetes butleri
31234100747532 Simpson Kentucky Marc Evans
EKY
Isoetes butleri
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Plant Photos

Isoetes butleri - Dwayne Estes
Isoetes butleri - Dwayne Estes
Isoetes butleri - Dwayne Estes
Isoetes butleri - Dwayne Estes
Isoetes butleri - Dwayne Estes
Isoetes butleri - Dwayne Estes
Isoetes butleri - Dwayne Estes
Isoetes butleri - Dwayne Estes
Isoetes butleri - Dwayne Estes
Isoetes butleri - Dwayne Estes
Isoetes butleri - Shawn Krosnick
Isoetes butleri - Shawn Krosnick
Isoetes butleri - Shawn Krosnick
Isoetes butleri - Shawn Krosnick
Isoetes butleri - Shawn Krosnick
Isoetes butleri - Shawn Krosnick
Isoetes butleri - Tara Littlefield
Isoetes butleri - Tara Littlefield
Isoetes butleri - Tara Littlefield
Isoetes butleri - Tara Littlefield
Isoetes butleri - Tara Littlefield
Isoetes butleri - Tara Littlefield
Isoetes butleri - Tara Littlefield
Isoetes butleri - Tara Littlefield