Specimen Information

Didemnum vexillum
Didemnum vexillum
(a colonial sea squirt)
Tunicates
Exotic

Specimen ID267222
GroupTunicates
GenusDidemnum
Speciesvexillum
Common Namea colonial sea squirt
StateOR
CountyDouglas
LocalityWinchester Bay [near Reedsport]
Mapping AccuracyAccurate
HUC8 NameUmpqua
HUC8 Number17100303
HUC10 NameLower Umpqua River
HUC10 Number1710030308
HUC12 NameUmpqua River Estuary
HUC12 Number171003030803
Map
Collection Month2
Collection Year2010
Year AccuracyActual
Potential Pathwayhitch hiker with oysters
Statusestablished
CommentsSeveral small colonies observed on jetty wall.
Record TypePersonal communication
VerifierDr. Gretchen Lambert
Freshwater/MarineMarine


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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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/2/2026].

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