Specimen Information

Trapa bispinosa var. iinumai
Trapa bispinosa var. iinumai
(water chestnut)
Plants
Exotic

Specimen ID1651343
GroupPlants
GenusTrapa
Speciesbispinosa
Varietyiinumai
Common Namewater chestnut
StateVA
CountyFairfax
LocalityWoodglen Lake Park [site code WGL-VA]
Mapping AccuracyAccurate
HUC8 NameMiddle Potomac-Anacostia-Occoquan
HUC8 Number02070010
HUC10 NamePohick Creek
HUC10 Number0207001004
HUC12 NamePohick Creek
HUC12 Number020700100401
Map
+
Collection Day3
Collection Month8
Collection Year2020
Year AccuracyActual
Potential Pathwayhitch hiker on waterfowl
Statusunknown
CommentsInitial year 2019. Patches of Water Chestnut are on both sides of the lake this year. Reporter notified Fairfax County Park Authority of this infestation last year, but the number of plants has more than doubled this year. Under management by Solitude Lake Management since 2020. 100% control in 2020.
Record TypeNAS sighting report
VerifierIan Pfingsten
Freshwater/MarineFreshwater
Number Collected100
Photo
Trapa bispinosa var. iinumai
Trapa bispinosa var. iinumai


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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/19/2024].

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