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Isoetes butleri Engelmann
Life   Plantae   Pteridophyta   Isoetaceae   Isoetes

Isoetes butleri, entire
© George Yatskievych, 2006-2011 · 1
Isoetes butleri, entire

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Isoetes butleri, megasporangium
© George Yatskievych, 2006-2011 · 1
Isoetes butleri, megasporangium
Isoetes butleri, megaspores
© George Yatskievych, 2006-2011 · 1
Isoetes butleri, megaspores

Isoetes butleri, velum
© George Yatskievych, 2006-2011 · 1
Isoetes butleri, velum
Isoetes butleri
© George Yatskievych, 2003 · 1
Isoetes butleri

Isoetes butleri
© George Yatskievych, 2003 · 1
Isoetes butleri
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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/core/profile?symbol=ISBU ---> https://plants.usda.gov/core/profile?symbol=ISBU
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Isoetes butleri Engelm.
limestone quillwort

Image of Isoetes butleri

General Information
Symbol: ISBU
Group: Quillwort
Family: Isoetaceae
Duration: Perennial
Growth Habit : Graminoid
Native Status : L48   N
Data Source and Documentation
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Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


click on a thumbnail to view an image, or see all the Isoetes thumbnails at the Plants Gallery

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 54. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .




Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Division Lycopodiophyta – Lycopods
Class Lycopodiopsida
Order Isoetales
Family Isoetaceae – Quillwort family
Genus Isoetes L. – quillwort
Species Isoetes butleri Engelm. – limestone quillwort

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Illinois quillwort Endangered
Kentucky Butler's quillwort Endangered

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain OBL
Eastern Mountains and Piedmont FACW
Great Plains OBL
Midwest OBL

Related Links

More Accounts and Images
Integrated Taxonomic Information System (ISBU)
University of Tennessee Herbarium (Distribution) (ISBU)
Related Websites
USDA FS Eastern Region-Species Conservation Assessments (ISBU)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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