It produces small, white to pale green flowers. Hydrilla is a submerged aquatic plant with generally green leaves whorled in a group of 4-8. This plant can be found free-floating or rooted in shallow water. Florida Department of Agriculture and Consumer Services. Species like poison ivy or Virginia creeper may not be our favorites, but they are native to Michigan, and play an important part in our environment! Trees will develop weeping wounds that attract other insects and excreted fluids from spotted lanternflies can cause mold growth on plants. In the wild, most range in color from olive to brown, but in captivity, colors can include tan, red or blue. (Egeria densa - synonyms: Elodea densa, Anacharis densa and Philotria densa). Download an invasive fish and crustacean poster. Feeding can weaken the plant and eventually contribute to its death. The larvae feed in tunnels in the wood of the tree branches and trunks, eventually killing the tree. Donate to ISN. Another invasive species in Lake Michigan that's creating unusual impacts and causing irreversible damage is mussels. Invasive species can cause great economic and environmental harm to the new area. Kudzu is a vine that extends 32-100 feet, with up to 30 vines per plant. The Asian longhorned beetle can attack and kill many tree species including poplar, willow, sycamore, and horse chestnut, but its favorite host are maple trees. Invasive Species - (Sus scrofa) Prohibited in Michigan Feral Swine most often are brown or black and appear hairy. They may exceed three feet in length and can weigh up to 60 lbs. Scales are blackish-brown darkening to bluish-gray at the edges, with an almost white belly. The leaves are often taller than the club-shaped flowering heads. Registration is now open for new sessions of the Michigan Invasive Species Program’s NotMISpecies webinar series, exploring efforts across the state to prevent and control harmful land and water invaders.. It has alternate, compound leaves with three broad leaflets and in late summer produces purple individual flowers that grow in upright clusters. They have a long, straight, narrow snout in comparison to domestic pigs. A medium-sized (4 to 5 inch) crayfish with slender or narrow claws. They prefer quiet, shallow waters. Japanese stiltgrass is a delicate, low-growing grass with stems that sprawl over one another and roots from the nodes. Download an invasive fish and crustacean poster. Invasive plants, animals and pests are taking a toll on Wisconsin's lakes, rivers and landscapes. Midwest Invasive Species Information Network (MISIN) for reporting infestations and training in identification. Disposal through Waste Management While hemlock woolly adelgid is already in Michigan and creeping north, statewide land and invasive species managers are hopeful that this slower-moving tree pest can be stopped in its tracks. Invasive species are difficult, sometimes even impossible to eradicate. They have sharp teeth like a pike or pickerel. An invasive species is one that is not native and whose introduction causes harm, or is likely to cause harm to Michigan’s economy, environment, or human health. If you think you have found any of these species in Michigan, please report the occurrence via the methods given below by clicking on an individual species name. The alternate leaves are short (3-8 cm. However, it will take many individuals contributing to this grand effort. We are currently in the process of updating our website and apologize for any inconsistencies. Mile-a-minute weed has light green leaves shaped like an equilateral triangle and small white flowers. The State of Michigan has lists of invasive plants that are already established in Michigan or are on the watch list for being introduced and spreading in Michigan. Streaked or marbled coloration pattern is most visible on the back, or carapace. It can be found in ponds, lakes, and sluggish rivers and streams. The DNR is working with citizens and partners to slow the spread of invasive species. The Hemlock Woolly Adelgid (HWA) is an invasive species that has devastated the hemlock forests in the southeast United States. Invasive species are plants, animals, and other organisms that are not traditionally found in a given location (in this case the Great Lakes) and are having a negative impact of some kind, whether ecological, economic, social, and a public health threat. "Dwarf parrot feather" and "dwarf red parrot feather" are common names for a dwarf selection sold in trade. They have very slender stems that grow up to 30 feet long and branch out considerably near water surface. Himalayan Balsam grows 3-6 feet tall and has purple/red stems that are smooth and hollow. Balsam woolly adelgid is a sap-feeding insect that attacks true fir trees, including balsam fir and Fraser fir. Invasive species on the watch list have been identified as posing an immediate or potential threat to Michigan's economy, environment or human health. Terrestrial (land-dwelling) Invasive Invertebrates are animals that lack a vertebral column (backbone). For anyone who works, plays or volunteers in lakes, rivers or wetlands. They can live in a variety of permanent freshwater habitats. ... Part 413 of NREPA (Section 324.41301) defines prohibited and restricted species in Michigan and limits the possession, import or sale of such species. Pests & Diseases - Giant African Land Snail. Go Beyond Beauty. (Pityophthorus juglandis + Geosmithia morbida). Japanese chaff flower is a perennial plant that grows 3-6 feet high with a green, bottle brush-like flower that has no petals. It pest status is still open to some debate. The roots may or may not be attached to mud. 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