"Watch List" Training

These courses represent key watch list species which pose a significant threat to natural resources. Completing the core training courses will provide you with the knowledge to identify and report these important threats.

Red Swamp Crayfish

Member of the Freshwater Crayfish (Cambaridae) family. It is native to the Gulf Coast and the Mississippi River drainage to Illinois. Probably introduced through aquaculture, as it is a popular food worldwide.


Silver Carp

Member of the Minnow (Cyprinidae) family. It was introduced to the United States in 1973. There are now established populations in at least 16 states, including most of the Mississippi River drainage as well as the Missouri and Ohio Rivers and tributaries.

Spotted Lanternfly

Member of the Lanternfly (Fulgoridae) family. It was first described in western North America in 1924 and first reported in 1951 near Richmond, VA. It is a true bug native to East Asia.

Stiltgrass

Annual that is a member of the Grass (Poaceae) family. It was introduced into the United States in Tennessee around 1919 and likely escaped as a result of its use as a packing material for porcelain.

Water Chestnut

Aquatic, rooted, floating, and mat-forming annual that is a member of the Water Chestnut (Trapaceae) family. It has distinctive toothed, triangular leaves with inflated petioles throughout the growing season. This species is listed on the Michigan prohibited aquatic plant list.

Water Hyacinth

Free floating aquatic plant that is a member of the Water Hyacinth (Pontederiaceae) family. It has distinctive air bladders that keep leaves afloat and considered to the be one of the most troublesome aquatic weeds in the world.

Water Lettuce

Free floating aquatic plant that is a member of the Arum (Araceae) family. It forms a rosette and has feathery roots. It is best surveyed in summer and fall and can be identified throughout the growing season.

Water Soldier

Submerged aquatic plant that is a member of the Tape-grass (Hydrocharitaceae) family. It becomes buoyant during the summer months and was likely introduced as an ornamental, however, it can be spread by hitching a ride on recreational vehicles. 

Yellow Floating Heart

Aquatic, rooted perennial with floating leaves that is a member of the Buckbean (Menyanthaceae) family. It is a popular water garden plant. This species is listed on the Michigan prohibited aquatic plant list.