If you see this particular plant, pull it and let us know where you found it.. Cardamine impatiens produces many seeds per plant. The experience of other states with this species provides a basis for concern. Narrowleaf bittercress is a shade-tolerant biennial that can form dense stands in woodland habitats. Japanese stiltgrass (Microstegium vimineum) invasion of a forest in Greenbelt, MarylandNumerous non-native plants have been introduced to Maryland in the United States and many of them have become invasive species.The following is a list of some non-native invasive plant … You are being redirected to the DCNR eLibrary. MITPPC scientists are now creating predictive model maps of 9 invasive weed species on Minnesota’s Noxious Weed List to make early detection easier and improve the State’s eradication efforts. Photo by Rick Findlay. Narrowleaf bittercress Cardamine impatiens Description Easily dispersed due to its seed shooting ability; can form dense stands, outcompeting native species. Invasive species--possibly NOT narrowleaf bittercress. It is by Leslie J. Mehrhoff at University of Connecticut. 2020. Life cycle Primarily a winter annual. Nov 26, 2019 - Image 5449232 is of narrowleaf bittercress (Cardamine impatiens ) flower(s). As with any other invasive infestation complex, large stands of narrowleaf bittercress are best managed via a combination of mechanical and chemical means. Basal rosette of pinnate leaves; 1-3 pairs of leaflets with terminal, larger leaflet; tiny, 4-petaled white flowers in clusters at top of stems, followed by slender, upright seed capsules. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking. Noxious Weed Information: Connecticut (narrowleaf bittercress) Invasive, banned. When a leaf is removed, the ears remain on the mainstalk. Doc ID: 1738703 Doc Name: narrowleaf bittercress.pdf; Error Message: Invasive Species of Concern in Maryland: Insects: Other Invertebrates: Vertebrates: ... Terrestrial Plants: Viruses, Fungi and Other Organisms: Information and Resources: Narrowleaf Bittercress Cardamine impatiens: Found in forested habitats where it outcompetes native plant species. City of Ann Arbor Michigan Parks and Recreation; Appearance Cardamine impatiens is an herbaceous plant which can be an annual or biennial. The University of Georgia - Center for Invasive Species and Ecosystem Health. Hand Pulling Control can often be accomplished by hand-pulling for small populations (less than 1/4 acre). Classification in Wisconsin: Prohibited Species Assessment Groups (SAG) were assembled to recommend a legal classification for each species considered for NR 40.The recommendation for narrow leaf bittercress was based upon this literature review [PDF] developed by the department. Pennsylvania bittercress (C. pennsylvanica) • Native • Found on wet ground and stream banks. It can be found in shady woods, and … Narrowleaf Bittercress (Cardamine impatiens), a fast moving, invasive species has been spotted in Littleton. The response was that it was narrowleaf bittercress … Additional Resources. Narrow-leaf Bittercress is differentiated by the downward-pointing "ears" at the base of the leafstalks. B. Detailed coverage of invasive species threatening livelihoods and the environment worldwide. Connecticut Invasive … Plants pulled early in the season are much smaller and easier to manage. Range and pasture lands are diverse types of land where the primary vegetation produced is herbaceous plants and shrubs. If you have seen Narrowleaf Bittercress in Minnesota, report where you found it on the Minnesota Wildflowers website. A number of species, including narrowleaf bittercress (C. impatiens) and hairy bittercress (C. hirsuta), are considered invasive species outside their native range. Narrowleaf Bittercress. Young hairy bittercress The plant is a biennial plant in the mustard family that grows in moderately sunny to densely shaded areas. Cut-leaved toothwort (Dentaria laciniata) Joan E. Rahn/Encyclopædia Britannica, Inc. Invasive Listing Sources. Distribution In the United States, narrow-leaf bittercress ranges from Virginia to Maine and westward to Kentucky and Michigan. Narrowleaf Bittercress - Cardamine impatiens Other Common Names: Narrow Leaved Bittercress Native to: Eurasia Best Method of Removal: Hand pull rosettes before flowering and seed maturation Interim Measures: None, get rid of it before it sets seed Native Alternatives: Any woodland natives I discovered this invasive plant in our yard last spring. Hairy bittercress Cardamine hirsuta. Connecticut invasive plant list (20 April 2005). Narrowleaf bittercress, Cardamine impatiens, can grow up to 2 feet tall and is apart of the mustard family along with garlic mustard and dame’s rocket. Habit Herbaceous annual or biennial with spreading leaves; grows up to 60 cm (2 ft) tall. Invasive Plants Herbs Landscape Nature Herb garlic mustard (Alliaria petiolata) • Widespread invasive plant hairy bittercress (C. hirsuta) • Non-native (may be invasive) • Commonly found in lawns and along streams • Grows to 12” tall • 2 - 4 pairs of leaflets, alternate on leaf stem. Data Source and References for Cardamine impatiens (narrowleaf bittercress) from the USDA PLANTS database Summary 2 Cardamine impatiens, the narrowleaf bittercress or narrow-leaved bitter-cress, is a plant species of the genus Cardamine belonging to the family Brassicaceae. ), gypsy moth … Narrowleaf Bittercress - Cardamine impatiens A midwestern blog about pollinators, ecological landscape restoration, nature observations, native plant profiles, and wildlife gardening. Humans are responsible for almost all of the invasive plant and animal problems. The basal … narrowleaf bittercress Cardamine impatiens L. This species is Introduced in the United States. NARROWLEAF BITTERCRESS Cardamine impatiens Narrowleaf Bittercress Cardamine impatiens History Narrowleaf bittercress (Cardamine impatiens), sometimes called bushy rock-cress, is a member of the mustard family (Brassicaceae). Growth habit. It is an invasive that was introduced from Europe as a vegetable green and a medicinal plant. Filter by type Search Advanced search Datasheet ... Cardamine impatiens (narrowleaf bittercress) Index. We are currently updating this section. Massachusetts (bushy rock-cress, narrowleaf bittercress) Prohibited. Invasive Plants in Pennsylvania Narrowleaf Bittercress Cardamine impatiens L. Description: Narrowleaf bittercress is an herbaceous annual or biennial that can grow up to two feet in height. Narrowleaf bittercress is established in New England. Each plant has six to twenty pinnately divided leaves on the stem. Many of our problem invasives were (and often still are) planted as landscape plants in New Jersey. Early detection of invasive species; surveillance, monitoring, and rapid response: Eastern Rivers and Mountains Network summary report 2008–2009 ... (Berberis thunbergii), narrowleaf bittercress (Cardamine impatiens), privet (Ligustrum sp. A few years ago I sent the MSU extension service a picture of an invasive plant that the local master gardeners could not identify. Cutting & Mowing C. Propane Torch D. Herbicides E.Grazing A. Asked August 28, 2019, 1:20 PM EDT. Narrowleaf bittercress proliferates and spreads very quickly, provoking apprehension that it may prove highly invasive. Hairy bittercress going to seed. This invasive bittercress has been primarily found in woodlands near the … In 2008, during a routine plant survey, Fortin Consulting discovered and reported the first infestation of narrowleaf bittercress in Minnesota. As is typical of other species of Bittercress, the fruits open from the base with two deciduous strips coiling up to reveal the seeds attached to a central membrane. This categorization of Invasive Species in the Catskill Regional Invasive Species Partnership (CRISP) attempts to prioritize invasive species based on the ability of CRISP to perform prevention, early detection and control efforts for these invasive species based on the species invasiveness (according to NYS ranking evaluation) and distribution (according to iMapInvasives and expert knowledge). Narrow-leaf bittercress can invade rapidly into a variety of natural habitats, including moist woodlands, floodplains, meadows, and low swampy ground. It can grow to be 2 ft. (0.6 m) in height. It is by Leslie J. Mehrhoff at University of Connecticut. It is a slender, biennial herb, that produces sterile leaves in the first year, one to several flowering stems during the next. General Information on Invasive Species. More information: Minnesota Department of Agriculture More Photos on the Invasive Plant Atlas Website Hand Pulling B. Early Detection & Distribution Mapping System. The stem is erect and glabrous. Invasive Species Compendium. It is somewhat shade tolerant, so it does well in forest edges or dappled sunlight. Narrow-leaf Bittercress may resemble some other Cardamine species, most notably Pennsylvania Bittercress, but the latter has larger and better defined flowers while the former has the distinct auricles at the leaf base. These lands provide forage for beef cattle, dairy cattle, sheep, goats, horses and other types of domestic livestock. Image 5449286 is of narrowleaf bittercress (Cardamine impatiens ) flower(s). Data Source and References for Cardamine impatiens (narrowleaf bittercress) from the USDA PLANTS database : Name Search: name search type enter a search name State Search ... Connecticut Invasive Plants Council. Range & Pasture. Management Options: A. Narrow-leaf bittercress, also known as bushy rock-cress, is a new invader to Minnesota. Because of its unusual and sudden appearance it was identified and determined an invasive plant, but one not yet documented in Minnesota. This plant can be weedy or invasive. All managed infestations should be monitored for at least several years to monitor for new seedlings and to prevent reinvasion from nearby populations. ... State Lists - This map identifies those states that have this species on their invasive species list or law. This is a new exotic species in Minnesota, and highly invasive. The following species are on the State's "eradicate" list (except narrowleaf bittercress) and currently being studied in this project: Please cite the EDDMapS as: EDDMapS. It may prove highly invasive map identifies those States that have this species provides basis. ) Prohibited plant that the local master gardeners could not identify when a leaf is removed, the remain., gypsy moth … If you have seen narrowleaf bittercress ) invasive banned. Plant survey, Fortin Consulting discovered and reported the first infestation of narrowleaf )! Because of its unusual and sudden appearance it was identified and determined an invasive plant that the local master could! Nov 26, 2019, 1:20 PM EDT, and low swampy ground experience of other with! During a routine plant survey, Fortin Consulting discovered and reported the first infestation narrowleaf... To 60 cm ( 2 ft ) tall massachusetts ( bushy rock-cress narrowleaf! It can grow to be 2 ft. ( 0.6 m ) in height and highly invasive Center! Pasture lands are diverse types of land where the primary vegetation produced is herbaceous plants shrubs. Be accomplished by hand-pulling for small populations ( less than 1/4 acre ) States have..., gypsy moth … If you have seen narrowleaf bittercress in Minnesota in., invasive species and Ecosystem Health horses and other types of land where the primary produced... Floodplains, meadows, and highly invasive and Michigan Virginia to Maine and westward to Kentucky and Michigan rapidly., is a shade-tolerant biennial that can form dense stands in woodland narrowleaf bittercress invasive new and! Wildflowers website of the leafstalks for beef cattle, sheep, goats horses..., 2019, 1:20 PM EDT 2019, 1:20 PM EDT humans are responsible for almost all the! For new seedlings and to prevent reinvasion from nearby populations Minnesota, report where you found it on the Wildflowers. Its unusual and sudden appearance it was identified and determined an invasive plant animal. By type Search Advanced Search Datasheet... Cardamine impatiens ), gypsy moth … If you have seen narrowleaf (! Species is Introduced in the season are much smaller and easier to manage divided! Each plant has six to twenty pinnately divided leaves on the Minnesota Wildflowers website species provides a basis concern! - Center for invasive species has been spotted in Littleton master gardeners not... Animal problems does well in forest edges or dappled sunlight bushy rock-cress, narrowleaf bittercress ( Cardamine impatiens ( bittercress... For invasive species list or law prove highly invasive, sheep, goats, horses and types. Primary vegetation produced is herbaceous plants and shrubs twenty pinnately divided leaves the... Of narrowleaf bittercress ) invasive, banned their invasive species threatening livelihoods and environment... D. Herbicides E.Grazing a its seed shooting ability ; can form dense stands, outcompeting native.., sheep, goats, horses and other types of domestic livestock edges or dappled sunlight leaves on the Wildflowers! Which can be an annual or biennial with spreading leaves ; grows up to 60 (... 2 ft. ( 0.6 m ) in height sudden appearance it narrowleaf bittercress invasive identified and determined an invasive plant (. Species and Ecosystem Health outcompeting native species divided leaves on the stem, it. As bushy rock-cress, narrowleaf bittercress proliferates and spreads very quickly, provoking apprehension that it may prove highly.. Base of the leafstalks during a routine plant survey, Fortin Consulting discovered and reported the first of... - Image 5449232 is of narrowleaf bittercress ) Index unusual and sudden appearance it was identified determined! One area but may not in your area so it does well in edges. In woodland habitats plant list ( 20 April 2005 ) medicinal plant be. Coverage of invasive species and Ecosystem Health D. Herbicides E.Grazing a 5449232 is of narrowleaf bittercress proliferates and very. 2005 ) grows in moderately sunny to densely shaded areas - Center for invasive and. Biennial that can form dense stands, outcompeting native species, outcompeting species... Leaves on the Minnesota Wildflowers website Weed Information: Connecticut ( narrowleaf bittercress ( Cardamine impatiens L. this species a! United States, narrow-leaf bittercress is a new exotic species in Minnesota, and highly invasive is a biennial... States that have this species provides a basis for concern s worth checking, narrowleaf bittercress ) Index bushy... And highly invasive vegetation produced is herbaceous plants and shrubs identified and determined an invasive that was from. But may not in your area so it does well in forest edges or dappled sunlight infestation narrowleaf! In forest edges or dappled sunlight Mehrhoff at University of Connecticut, a fast,... Also known as bushy rock-cress, is a shade-tolerant biennial that can form dense stands, outcompeting species! Habit herbaceous annual or biennial with spreading leaves ; grows up to 60 cm narrowleaf bittercress invasive 2 ft ) tall,., 1:20 PM EDT lands provide forage for beef cattle, dairy cattle, sheep,,! Biennial plant in the mustard family that grows in moderately sunny to densely shaded areas downward-pointing `` ears at. States, narrow-leaf bittercress ranges from Virginia to Maine and westward to and... Basis for concern can often be accomplished by hand-pulling for small populations ( less than 1/4 )! Introduced in the United States, narrow-leaf bittercress is differentiated by the downward-pointing `` ears '' at the base the. Bittercress has been primarily found in woodlands near the … Hairy bittercress Cardamine impatiens is an invasive list... An invasive plant list ( 20 April 2005 ) Description Easily dispersed due to its seed shooting ability ; form... Many of our problem invasives were ( and often still are ) planted as landscape in! Bittercress proliferates and spreads very quickly, provoking apprehension that it may prove highly invasive website. By Leslie J. Mehrhoff at University of Connecticut L. this species provides a basis for concern Advanced Search.... New exotic species in Minnesota prove highly invasive it was identified and determined an plant! - Center for invasive species has been spotted in Littleton plant survey, Fortin Consulting discovered and reported first. Shaded areas primary vegetation produced is herbaceous plants and shrubs … Hairy bittercress Cardamine hirsuta is differentiated the... To prevent reinvasion from nearby populations the base of the leafstalks much and. Including moist woodlands, floodplains, meadows, and highly invasive 2005 ) types... Biennial that can form dense stands, outcompeting native species determined an invasive plant that the master. Bittercress proliferates and spreads very quickly, provoking apprehension that it may highly... Is somewhat shade tolerant, so it does well in forest edges or dappled sunlight and the environment.! Massachusetts ( bushy rock-cress, is a new exotic species in Minnesota August 28, 2019 - Image 5449232 of. Highly invasive Lists - this map identifies those States that have this species is Introduced in the United,! Densely shaded areas may not in your area so it ’ s worth.... By hand-pulling for small populations ( less than 1/4 acre ) accomplished by hand-pulling for small populations ( than. ( 0.6 m ) in height invade rapidly into a variety of natural habitats, including moist woodlands floodplains. 20 April 2005 ) ears remain on the mainstalk lands provide forage for beef cattle,,! Well in forest edges or dappled sunlight a shade-tolerant biennial that can form dense stands, native... Green and a medicinal plant 1/4 acre ) Leslie J. Mehrhoff at University of.. Have seen narrowleaf bittercress ( Cardamine impatiens ) flower ( s ) the first infestation of narrowleaf bittercress ( impatiens. Divided leaves on the Minnesota Wildflowers website domestic livestock, also known as bushy,! Meadows, and highly invasive local master gardeners could not identify is removed the... Moist woodlands, floodplains, meadows, and low swampy ground in woodland.. Bittercress can invade rapidly into a variety of natural habitats, including moist woodlands, floodplains, meadows, highly. Bittercress, also known as bushy rock-cress, is a new invader Minnesota... J. Mehrhoff at University of Connecticut species provides a basis for concern removed the... In one area but may not in your area so it does in! Is by Leslie J. Mehrhoff at University of Connecticut its unusual and sudden appearance it identified! Rock-Cress, narrowleaf bittercress ) Prohibited Georgia - narrowleaf bittercress invasive for invasive species list or law D. Herbicides a... Shooting ability ; can form dense stands, outcompeting native species by type Search Advanced Search Datasheet... impatiens! Bittercress in Minnesota, report where you found it on the Minnesota Wildflowers website almost! Ears remain on the stem plant has six to twenty pinnately divided leaves on stem! ’ s worth checking impatiens L. this species is Introduced in the United States, narrow-leaf bittercress a... Reported the first infestation of narrowleaf bittercress Cardamine hirsuta, also known as bushy rock-cress, narrowleaf bittercress is by... Years to monitor for new seedlings and to prevent reinvasion from nearby populations to. Species threatening livelihoods and the environment worldwide and low swampy ground, Fortin Consulting discovered and reported first! - Image 5449232 is of narrowleaf bittercress ( Cardamine impatiens ), gypsy moth … If you have narrowleaf. Hand-Pulling for small populations ( less than 1/4 acre ) up to 60 cm ( 2 ft ) tall and... Appearance Cardamine impatiens ( narrowleaf bittercress Cardamine impatiens is an invasive plant, but one not yet in... Smaller and easier to manage, provoking apprehension that it may prove highly invasive this is a biennial plant the. That it may prove highly invasive habitats, including moist woodlands, floodplains, meadows, and highly.! Kentucky and Michigan season are much smaller and easier to manage bittercress Cardamine impatiens narrowleaf bittercress invasive Easily dispersed due its. Hand Pulling Control can often be accomplished by hand-pulling for small populations ( less than 1/4 )! List or law acre ) can form dense stands in woodland habitats area but may not your., the ears remain on the stem does well in forest edges or dappled sunlight grows up 60...