Scientific Name
    Hydrilla verticillata
            Scientific Name w/ Auth.
    Hydrilla verticillata (L. f.) Royle
            Park
    San Antonio Missions National Historical Park (SAAN)
            Sensitive
    No
            Park Accepted
    Accepted
            Record Status
    Approved
    Park Preferred Common Names
    hydrilla
            Park Synonyms
    
            Taxonomic Hierarchy
    | Kingdom | Plantae | 
| Subkingdom | Viridiplantae | 
| Infrakingdom | Streptophyta | 
| Superdivision | Embryophyta | 
| Division | Tracheophyta | 
| Subdivision | Spermatophytina | 
| Class | Magnoliopsida | 
| Superorder | Lilianae | 
| Order | Alismatales | 
| Family | Hydrocharitaceae | 
| Genus | Hydrilla | 
| Species | Hydrilla verticillata | 
Occurrence
    Present
    Occurrence Notes
    Data Source: Carr, William R. 2004. A Botanical Inventory of San Antonio Missions National Historical Park, Parts I and II: Results of a 2001-2002 Botanical Inventory and Related Research and Reviews. Final Report to the U.S. National Park Service under Cooperative Agreement H5028 01 0268. The Nature Conservancy of Texas.
        
            Nativeness
    Non-native
    Nativeness Notes
    submersed aquatic perennial; Data Source: Carr, William R. 2004. A Botanical Inventory of San Antonio Missions National Historical Park, Parts I and II: Results of a 2001-2002 Botanical Inventory and Related Research and Reviews. Final Report to the U.S. National Park Service under Cooperative Agreement H5028 01 0268. The Nature Conservancy of Texas.
Legacy NPSpecies information may no longer be applicable, please remove if it is not applicable.
In legacy NPSpecies Cultivation value was Not cultivated with comment: Data Source: Carr, William R. 2004. A Botanical Inventory of San Antonio Missions National Historical Park, Parts I and II: Results of a 2001-2002 Botanical Inventory and Related Research and Reviews. Final Report to the U.S. National Park Service under Cooperative Agreement H5028 01 0268. The Nature Conservancy of Texas.
In legacy NPSpecies Weedy value was Yes with comment: Federally listed as a noxious weed.
In legacy NPSpecies Pest value was Yes with comment: Federally listed as a noxious weed.
        
            Abundance
    Uncommon
    Abundance Notes
    Data Source: Carr, William R. 2004. A Botanical Inventory of San Antonio Missions National Historical Park, Parts I and II: Results of a 2001-2002 Botanical Inventory and Related Research and Reviews. Final Report to the U.S. National Park Service under Cooperative Agreement H5028 01 0268. The Nature Conservancy of Texas.
        
        Management Tags
        - 
            Management Priority
                Federally listed as a noxious weed.
 
Threatened Endangered Status
    State Species of Concern statuses
    Ozone Sensitive Status
    NatureServe GRank
    NatureServe SRank
    Observations
    
0    
    References
    
    Vouchers
    
2    
            External Links
    
0    
            Evidence counts shown include evidence for related synonyms.
    Created By
    Converted from non-NPSpecies format by I&M Office
            Created Date
    2/12/2004 12:00:00 AM
            Last Modified By
    D.L. Benesh
            Last Modified Date
    11/9/2004 12:00:00 AM
            Notes
    Park Species Detail: submersed in flowing water ca. 1-2 ft. deep, in Piedras Creek Diversion Channel (a segment of Acequia de Espada), W side of channelized San Antonio River ca. 800 ft. S of Ashley Rd. bridge, ca. 0.9-1.0 airmiles NNW of I-410 bridge
    Other Parks
    Amistad National Recreation Area (AMIS)
Big Cypress National Preserve (BICY)
Canaveral National Seashore (CANA)
Chesapeake and Ohio Canal National Historical Park (CHOH)
Everglades National Park (EVER)
Great Falls Park (GRFA)
George Washington Memorial Parkway (GWMP)
Jean Lafitte National Historical Park and Preserve (JELA)
Obed Wild and Scenic River (OBRI)
Piscataway Park (PISC)
Prince William Forest Park (PRWI)
    Big Cypress National Preserve (BICY)
Canaveral National Seashore (CANA)
Chesapeake and Ohio Canal National Historical Park (CHOH)
Everglades National Park (EVER)
Great Falls Park (GRFA)
George Washington Memorial Parkway (GWMP)
Jean Lafitte National Historical Park and Preserve (JELA)
Obed Wild and Scenic River (OBRI)
Piscataway Park (PISC)
Prince William Forest Park (PRWI)
