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Journal Article
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25611
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| Glen, M. 2012. Lycopus asper. Saskatchewan's Wildflowers. EM.ca. http://www.em.ca/garden/native/nat_lycopus_asper.html. Accessed on 09/06/2012. |
25612
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Report
| Godfread, C. 2004. Plant Inventory at Fort Union Trading Post National Historic Site 2003-2004. Final Report. |
25613
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Journal Article
| Kelley, A.D., and V.F. Bruns. 1975. Dissemination of weed seeds by irrigation water. Weed Science 23(6):486-493. |
703
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Journal Article
| 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. https://doi.org/10.1016/S0380-1330(93)71197-1. |
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Book
| Munz, P.A., with D.D. Keck. 1959. A California flora. California Press, Berkeley. |
18274
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Database
| NatureServe Explorer. 2008. NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.0. NatureServe, Arlington, Virginia. http://www.natureserve.org/explorer. Accessed on 05/12/2016. |
25614
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Web Page
| Plants For A Future. 2008. http://www.pfaf.org/database/index.php. |
24928
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Web Page
| Reznicek, A.A., E.G. Voss, and B.S. Walters. 2011. Michigan Flora Online. http://michiganflora.net/. |
31186
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Database
| Reznicek, AA, E.g., Voss, and B.S. Walters. 2011. Michigan Flora Online. University of Michigan Herbarium, University of Michigan, Ann Arbor, MI. http://michiganflora.net/home.aspx. Accessed on 01/01/2018. |
18779
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Report
| U.S. EPA (Environmental Protection Agency). 2008. Predicting future introductions of nonindigenous species to the Great Lakes. Environmental Protection Agency. https://cfpub.epa.gov/ncea/risk/recordisplay.cfm?deid=190305. |
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Database
| United States Department of Agriculture (USDA) Natural Resources Conservation Service (NRCS). 2012. The PLANTS Database. http://plants.usda.gov/java/. |
17521
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Database
| USDA, NRCS. 2016. The PLANTS Database. National Plant Data Team, Greensboro, NC. http://plants.usda.gov. Accessed on 04/08/2016. |
25615
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Web Page
| Valo, J.F. 2012. Rough bugleweed, Lycopus asper. Nature Tourism in Minnesota. http://minnesotaseasons.com/Plants/rough_bugleweed.html. Accessed on 09/06/2012. |