garlic mustard Aliana petiole Canada thistle Cirsium arvense

garlic mustard (Aliana petiole Canada thistle (Cirsium arvense Japanese stilt grass 2Microstegium virzineum)

Solution

A. Garlic mustard (Alliaria petiolata):

It is a biennial flowering plant in the Mustard family, Brassicaceae.

It can release chemicals that hinder the growth of other plant species.

Flower only appears from May to June and the seeds can remain dormant for 18 months and are moderately persistent in soil.

It is good for your weight, heart, lowers cholesterol, and may help prevent cancer. It is rich in vitamin A and C

Medicinal it is used to treat gangrene and ulcers

B. Canada thistle (Cirsium arvense):

It is a Perannial flowering plant in the daisy family Asteraceae, native throughout Europe and northern Asia. It was accidentally introduced to North America in the 1600s and Unlike other noxious biennial thistles which have a solitary flower at the end of each stem

It usually grows 2-5\' tall, seeds are viable for 20 years and it can invades natural areas, crowds out native species.

It has long roots that can take up more water than they need

C. Japanese stiltgrass (Microstegium vimineum):

Japanese Stiltgrass (Microstegium vimineum), also known as Nepalese browntop and Asian stiltgrass, replaces native vegetation in a wide range of ecosystems

It is an annual grass with weak stems and lance-shaped leaves. Seeds can remain viable in the soil for up to 5 years.

It is an invasive grass that threatens native plants and natural habitats in the eastern United States.

Stiltgrass often thrives in soils that are moist, acidic to neutral, and fertile.

Stiltgrass grows in extensive patches, displacing less competitive native species.