† Populations may not be currently present.
* HUCs are not listed for states where the observation(s) cannot be approximated to a HUC (e.g. state centroids or Canadian provinces).
References: (click for full references)
Dudley, W.R. 1886. The Cayuga flora. Part 1: A catalogue of the Phaenogamia growing in cultivation in the Cayuga Lake basin. Cornell University Bulletin.
Environmental Assessment Program. 2018. Washington State Lakes Environmental Data Version 1.0. Washington State Department of Ecology, Lacey, WA. https://fortress.wa.gov/ecy/coastalatlas/tools/LakeDetail.aspx. Accessed on 12/18/2018.
Gray, A. 1889. Manual of the Botany of the Northern United States. Sixth Edition. New York: American Book Co.
GRIN Taxonomy for Plants. 2008. Myosotis scorpioides. http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?24815.
iMapInvasives. 2016. Oregon iMapInvasives. Oregon Biodiversity Information Center, Portland, OR. https://sites.google.com/site/orimapresources/. Accessed on 04/09/2015.
Germ, M., and A. Gaberscik. 2003. Comparison of aerial and submerged leaves in two amphibious species Myosotis scorpioides and Ranunculus trichophyllus. Photosynthetica 41(1):91-96.
Mills, E.L., J.H. Leach, J.T. Carlton, and C.L. Secor. 1993. Exotic species in the Great Lakes: a history of biotic crises and anthropogenic introductions. Journal of Great Lakes Research 19(1):1-54.
Natural England. 2008. Water forget-me-not - Myosotis scorpioides. http://www.plantpress.com/wildlife/o843-waterforgetmenot.php.
Plant for A Future. 2008. Myosotis scorpioides. http://www.ibiblio.org/pfaf/cgi-bin/arr_html?Myosotis+scorpioides.
Soper, J.H., Garton, C.E., and Given, D.R. 1989. Flora of the North Shore of Lake Superior. Syllogeus 63. National Museums of Natural Sciences, National Museums of Canada.
USDA, NRCS. 1997. The PLANTS database (http://plants.usda.gov). National Plant Data Center, Baton Rouge, Louisiana 70874-4490. http://plants.usda.gov.
Wisconsin Department of Natural Resources (WI DNR). 2018. Surface Water Integrated Monitoring System (SWIMS). Wisconsin Department of Natural Resources, Madison, WI. https://dnrx.wisconsin.gov/swims/viewRoi.html.
This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information.