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Isoetes  L.
Taxonomic Serial No.: 17120

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 Taxonomy and Nomenclature
  Kingdom: Plantae  
  Taxonomic Rank: Genus  
  Synonym(s): Calamaria Boehm.
    Stylites Amstutz
  Common Name(s): isoète [English]
    quillwort [English]
  Taxonomic Status:    
  Current Standing: accepted  
  Data Quality Indicators:    
  Record Credibility Rating: verified - standards met  
  Global Species Completeness: partial   
  Latest Record Review: 2012   

 Taxonomic Hierarchy
 KingdomPlantae  – plantes, Planta, Vegetal, plants  
    SubkingdomViridiplantae  – green plants  
       InfrakingdomStreptophyta  – land plants  
             DivisionTracheophyta  – vascular plants, tracheophytes  
                         OrderIsoetales  – quillworts  
                            FamilyIsoetaceae  – quillworts  
                               GenusIsoetes L. – isoète, quillwort  
    Direct Children:  
                                  Species Isoetes acadiensis Kott – Acadian quillwort 
                                  Species Isoetes X altonharvillii Musselman & R.D. Bray  
                                  Species Isoetes bolanderi Engelm. – Bolander's quillwort 
                                  Species Isoetes boomii Luebke – Boom's quillwort 
                                  Species Isoetes X brittonii D.F. Brunt. & W.C. Taylor – Britton's quillwort 
                                  Species Isoetes X bruntonii Knepper & Musselman  
                                  Species Isoetes butleri Engelm. – limestone quillwort, Butler's quillwort 
                                  Species Isoetes caroliniana (A.A. Eaton) Luebke – Carolina quillwort 
                                  Species Isoetes X dodgei A.A. Eaton (pro sp.) – Dodge's quillwort 
                                  Species Isoetes X eatonii R. Dodge (pro sp.) – Eaton's quillwort 
                                  Species Isoetes echinospora Durieu – spiny-spore quillwort, isoète à spores épineuses 
                                  Species Isoetes X echtuckeri D.F. Brunt. & D.M. Britton  
                                  Species Isoetes engelmannii A. Braun – Appalachian quillwort, Engelmann's quillwort 
                                  Species Isoetes X fairbrothersii J.D. Montgom. & W.C. Taylor  
                                  Species Isoetes flaccida Shuttlew. ex A. Braun – southern quillwort, Florida quillwort 
                                  Species Isoetes X foveolata A.A. Eaton ex R. Dodge (pro sp.) – pitted quillwort 
                                  Species Isoetes georgiana Luebke – Georgia quillwort 
                                  Species Isoetes X harveyi A.A. Eaton (pro sp.) – Harvey's quillwort 
                                  Species Isoetes hawaiiensis W.C. Taylor & W.H. Wagner – Hawai'i quillwort 
                                  Species Isoetes X heterospora A.A. Eaton (pro sp.) – quillwort 
                                  Species Isoetes X hickeyi W.C. Taylor & Luebke – Hickey's quillwort 
                                  Species Isoetes howellii Engelm. – Howell's quillwort 
                                  Species Isoetes hyemalis D.F. Brunt. – evergreen quillwort 
                                  Species Isoetes X jeffreyi D.M. Britton & D.F. Brunt. – Jeffrey's quillwort 
                                  Species Isoetes junciformis D.F. Brunt. & D.M. Britton – rush quillwort 
                                  Species Isoetes lacustris L. – isoète lacustre, lake quillwort 
                                  Species Isoetes lithophila N. Pfeiff.  
                                  Species Isoetes louisianensis Thieret – Louisiana quillwort 
                                  Species Isoetes maritima Underw. – maritime quillwort 
                                  Species Isoetes mattaponica Musselman & W.C. Taylor – Mattaponi quillwort 
                                  Species Isoetes melanopoda J. Gay & Durieu ex Durieu – blackfoot quillwort 
                                  Species Isoetes melanospora Engelm. – black-spored quillwort, blackspore quillwort 
                                  Species Isoetes microvela D.F. Brunt. – thin-wall quillwort 
                                  Species Isoetes X novae-angliae D.F. Brunt. & D.M. Britton  
                                  Species Isoetes nuttallii A. Braun ex Engelm. – Nuttall's quillwort 
                                  Species Isoetes occidentalis L.F. Hend. – western quillwort 
                                  Species Isoetes orcuttii A.A. Eaton – Orcutt's quillwort 
                                  Species Isoetes piedmontana (N. Pfeiff.) C.F. Reed – Peidmont quillwort 
                                  Species Isoetes prototypus D.M. Britton – spike quillwort 
                                  Species Isoetes X pseudotruncata D.M. Britton & D.F. Brunt.  
                                  Species Isoetes riparia Engelm. ex A. Braun – shore quillwort, isoète riparien 
                                  Species Isoetes tegetiformans Rury – mat-forming quillwort, Merlin's grass 
                                  Species Isoetes tennesseensis Luebke & Budke  
                                  Species Isoetes X truncata (A.A. Eaton) Clute (pro sp.) – quillwort 
                                  Species Isoetes tuckermanii A. Braun – isoète de Tuckerman, Tuckerman's quillwort, isoète de Tuckerman 
                                  Species Isoetes virginica N. Pfeiff. – Virginia quillwort 

  Reference for:    
  Other Source(s):    
  Source: Lycopodiopsida of North America Update, database (version 2011)  
  Acquired: 2011   
  Notes: Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010)   
  Reference for: Isoetes   
  Source: NODC Taxonomic Code, database (version 8.0)  
  Acquired: 1996   
  Reference for: Isoetes   
  Source: The PLANTS Database, database (version 4.0.4)  
  Acquired: 1996   
  Notes: National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA.   
  Reference for: Isoetes   
  Source: The PLANTS Database, database (version 5.1.1)  
  Acquired: 2000   
  Notes: National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA.   
  Reference for: Isoetes   
  Author(s)/Editor(s): Christenhusz, Maarten J. M., Xian-Chun Zhang, and Harald Schneider  
  Publication Date: 2011   
  Article/Chapter Title: A linear sequence of extant families and genera of lycophytes and ferns   
  Journal/Book Name, Vol. No.: Phytotaxa, vol. 19   
  Page(s): 7-54   
  Publication Place:    
  ISBN/ISSN: 1179-3155   
  Notes: Available online at   
  Reference for: Isoetes   

 Geographic Information
  Geographic Division:    






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