Reference List

This list includes references used to derive specimen records.

Results also available in CSV (click to export table to spreadsheet)
Ref IDTypeAuthorDateTitle
26212 DatabaseGBIF2013Global Biodiversity Information Facility (GBIF) Database.
27462 DatabaseiMapInvasives.2018Pennsylvania iMapInvasives
19790 OtherKerwin, J., and E. Stegemann.2010Rock Snot Resurfaces.
28167 DatabaseLes, D.H., and R.S. Capers.2012George Safford Torrey Herbarium (CONN)
28384 ReportMaryland Department of Natural Resources.2016Maryland Aquatic Nuisance Species Management Plan.
27952 NewsMichigan Department of Environmental Quality.2015Michigan confirms two new invasive species
30301 Journal ArticleMoffat, M.C.1994An Ultrastructural Study of Didymosphenia geminata (Bacillariophyceae)
31508 DatabaseSouth Dakota Game, Fish and Parks.2018Aquatic invasive species by waterbody
34823 DatabaseU.S. Geological Survey2020BioData - Aquatic Bioassessment Data for the Nation. Collection data for Didymosphenia geminata


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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/27/2021].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.