Aquatic Plants


Hydrilla on the Move

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Be on the lookout! A non-native aquatic plant called hydrilla (Hydrilla verticillata) is moving north and threatening our lakes and waterways. Hydrilla was imported into Florida as an aquarium plant in the 1950s. The plant was released into the environment and has since spread to hundreds of waterbodies in over 20 states… Read more


Phragmites

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Phragmites (Phragmites australis) is an aggressive-growing, exotic emergent plant that is infesting Michigan’s coastal areas, wetlands, and lake shores. Plants can exceed 15 feet in height and obstruct shoreline views and uses. Phragmites can greatly reduce… Read more


Starry Stonewort

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Starry stonewort (Nitellopsis obtusa) looks like a rooted plant but it is actually an algae. The plant is native to Europe and Asia and was first discovered in the St. Lawrence River in 1978. In 1983, it was found in the Detroit River near Belle Isle and has since infested several Michigan… Read more


Eurasian Milfoil

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Eurasian milfoil (Myriophyllum spicatum) is an invasive aquatic plant that was first introduced to the United States in the 1940s. Although it is an exotic species, it is currently widespread… Read more


Exotic Aquatic Plants

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An exotic species is one that is found outside of its natural range. Exotic plant species that are currently a threat to Michigan lakes include Eurasian milfoil (Myriophyllum spicatum), starry stonewort (Nitellopsis obtusa), hydrilla (Hydrilla verticillata), and phragmites (Phragmites australis). Eurasian milfoil… Read more


Weevil Stocking to Control Eurasian Milfoil

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Milfoil weevils (Euhrychiopsis lecontei) have been stocked in a number of lakes in Michigan to control the growth of the nuisance aquatic plant Eurasian milfoil (Myriophyllum spicatum). This article examines the use of weevils… Read more


Aquatic Plant Control: Things to Consider

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Many lake communities are faced with problems related to invasive aquatic plants, and questions often arise about what direction to take to control… Read more


Hybrid Milfoil: Management Implications and Challenges

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Due to its aggressive and nuisance growth characteristics, Eurasian milfoil (Myriophyllum spicatum) has long been targeted for control in Michigan lakes. However, Eurasian milfoil is not the only type of milfoil… Read more


Eurasian milfoil (Myriophyllum spicatum)