Patuxent Research Refuge, Maryland
Catalog #: PRR003196
Taxon: Hydrilla verticillata (L. f.) Royle
Family: Hydrocharitaceae
Determiner: John D. Hall, Norton-Brown Herbarium (2016)
ID References: Flora of the Southeastern United States, Weakley 2015
Show Determination History
Collector: Bill Harms   9267   
Date: 2016-06-16
Verbatim Date: 16 June 2016
Locality: United States, Maryland, Prince George's, Laurel, Patuxent Research Refuge--South Tract--Cash Lake Dam Area; Cash Lake Dam, just above water level East of spillway
39.031538  -76.787905 +-30m.  WGS84
Verbatim Coordinates: 39.031538 -76.787905
Elevation: 32 meters
Verbatim Elevation: 104 feet
Habitat: Wet muddy areas
Preparations: Imaged Voucher
Occurrence Remarks: Water in lake drawn down
Establishment Means: Alien
Specimen Images
Access Rights: The database records found here may be used by researchers for non-commercial purposes. If any of these records are used in an analysis, report or publication, the provenance of the original data must be acknowledged and the PRR Herbarium notified.
Record Id: f34615db-c582-419b-983f-63daba7ff18d
Occurrence ID (GUID): f34615db-c582-419b-983f-63daba7ff18d
For additional information on this occurrence, please contact: Bill Harms (
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