NAS - Nonindigenous Aquatic Species
USGS - Woods Hole Science Center. 2004. Marine Nuisance Species, Didemnum vexillum, a colonial tunicate; ascidian; sea squirt - California coastal locations. http://woodshole.er.usgs.gov/project-pages/stellwagen/didemnum/htm/page12.htm. Accessed 2/21/2012.
Reference Number: 24155 Type: Web Page Author: USGS - Woods Hole Science Center. Date (year): 2004 Title:Marine Nuisance Species, Didemnum vexillum, a colonial tunicate; ascidian; sea squirt - California coastal locations. URL: http://woodshole.er.usgs.gov/project-pages/stellwagen/didemnum/htm/page12.htm. Accessed 2/21/2012. Accessed on: Created on: Keywords:
Didemnum vexillum CA - Sausalito, dock at a marina CA - Bodega Bay Harbor
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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/17/2025].
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