Native Plants
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Isoetes butleri
Isoetes butleri Engelm.
Limestone Quillwort, Glade Quillwort, Butler's Quillwort
Isoetaceae (Quillwort family)
Synonym(s):
USDA Symbol: ISBU
USDA Native Status: L48 (N)
State-listed endangered species in IL and KY. A G4/S2 species in Alabama.
From the Image Gallery
Plant Characteristics
Duration: PerennialHabit: Grass/Grass-like
Leaf Complexity: Simple
Leaf Shape: Linear
Size Notes: 3-12(-20)cm in height.
Bloom Information
Bloom Color: Not ApplicableBloom Notes: Non-flowering sporulating plant. Sporulates April through June.
Distribution
USA: AL , AR , GA , IL , KS , KY , MO , OK , TN , TXNative Distribution: The Southeast and southern Midwest.
Native Habitat: Seasonally wet calcareous soils in glades and limestone outcrops.
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | OBL | FACW | OBL | OBL |
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Additional resources
USDA: Find Isoetes butleri in USDA PlantsFNA: Find Isoetes butleri in the Flora of North America (if available)
Google: Search Google for Isoetes butleri
Metadata
Record Modified: 2022-09-29Research By: Joseph A. Marcus