Specimen Information

Cyperus difformis
(smallflower umbrella sedge)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map

Specimen ID1634535
GroupPlants
GenusCyperus
Speciesdifformis
Common Namesmallflower umbrella sedge
StateNY
CountySuffolk
LocalityTown of Islip, Just E of the E boundary of Edgewood Oak Brush Plains Preserve, about 520 meters N of Long Island Ave
Mapping AccuracyAccurate
HUC8 NameSouthern Long Island
HUC8 Number02030202
HUC10 NameGreat South Bay-Fire Island Inlet
HUC10 Number0203020204
HUC12 NameSampawams Creek
HUC12 Number020302020403
Map
Collection Day3
Collection Month9
Collection Year2012
Year AccuracyActual
Potential Pathwaydispersed
Statusestablished
Reference 1
Ref. Number:28178
Author:The New York Botanical Garden
Date:2018
Title:William and Lynda Steere Herbarium (NY)
Publisher:SEINet Data Portal
Reference 2
Ref. Number:28331
Author:SEINet Portal Network.
Date:2021
Title:Southwest Environmental Information Network
Publisher:Symbiota Software Project, Arizona State University
Record TypeSpecimen
Earliest Recordcounty
DisposalNY
Museum Cat Number2806791
Freshwater/MarineFreshwater

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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/2/2025].

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