Isoetes engelmannii

ClassificationPteridophytes
FamilyIsoetaceae
Family (Traditional)Isoetaceae
GenusIsoetes
SpeciesIsoetes engelmannii A. Braun
Common NameAppalachian quillwort
Growth Habitfern ally
Plant NotesLeaf Persistance: Deciduous; Habit: fern ally; Woody/Herbaceous: herbaceous; Terrestrial/Aquatic: Aquatic; Mud;
Leaf Arrangement: Basal; Simple/Compound: Simple; Leaf Complexity: 0; Leaf Type: Grasslike;
Hypanthium: No; Perianth Absent: No; Fruit Color: ;
*Average C-Value: 7.6
C value 8
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[SNR] KY[S3S4] (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: Bath (KY), Carter (KY), Clinton (KY), Harlan (KY), Leslie (KY), Letcher (KY), Rowan (KY), Coffee (TN), Polk (TN), Putnam (TN), Robertson (TN)

Herbaria represented by specimen data listed below: KNK, MDKY, UCHT

Range of years during which specimens were collected: 1988 - 1998

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31973000004309 Rowan Kentucky 13 May 1998 Risk, Allen
10492
KNK
Isoetes engelmannii
31973000004311 Clinton Kentucky 15 Apr 1994 Thieret, John
57358
KNK
Isoetes engelmannii
31973000004313 Rowan Kentucky 03 Aug 1988 Risk, Allen
1822
KNK
Isoetes engelmannii
MDKY00001711 Rowan Kentucky
MDKY
Isoetes engelmannii
MDKY00001702 Bath Kentucky
MDKY
Isoetes engelmannii
MDKY00001714 Rowan Kentucky
MDKY
Isoetes engelmannii
MDKY00001712 Rowan Kentucky
MDKY
Isoetes engelmannii
MDKY00001720 Leslie Kentucky
MDKY
Isoetes engelmannii
MDKY00001704 Bath Kentucky
MDKY
Isoetes engelmannii
MDKY00001713 Rowan Kentucky
MDKY
Isoetes engelmannii
MDKY00001718 Harlan Kentucky
MDKY
Isoetes engelmannii
MDKY00001709 Rowan Kentucky
MDKY
Isoetes engelmannii
MDKY00001703 Bath Kentucky
MDKY
Isoetes engelmannii
UCHT006104 Coffee Tennessee
UCHT
Isoetes engelmannii
UCHT006089 Polk Tennessee
UCHT
Isoetes engelmannii
UCHT006105 Putnam Tennessee
UCHT
Isoetes engelmannii
31973000004312 Rowan Kentucky 03 Aug 1988 Risk, Allen
1803
KNK
Isoetes engelmannii
31973000004314 Robertson Tennessee 03 May 1989 Kral, Robert
76102
KNK
Isoetes engelmannii
MDKY00001710 Rowan Kentucky
MDKY
Isoetes engelmannii
MDKY00001705 Bath Kentucky
MDKY
Isoetes engelmannii
MDKY00001708 Rowan Kentucky
MDKY
Isoetes engelmannii
MDKY00001717 Carter Kentucky
MDKY
Isoetes engelmannii
MDKY00001716 Rowan Kentucky
MDKY
Isoetes engelmannii
MDKY00001719 Letcher Kentucky
MDKY
Isoetes engelmannii
MDKY00001706 Bath Kentucky
MDKY
Isoetes engelmannii
MDKY00001707 Rowan Kentucky
MDKY
Isoetes engelmannii
MDKY00001715 Rowan Kentucky
MDKY
Isoetes engelmannii
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Plant Photos

Isoetes engelmannii - Tara Littlefield
Isoetes engelmannii - Tara Littlefield