SCIENTIFIC NAME COMMON NAME INVASIVE INVASIVE WATCHLIST Barbarea verna early yellow-rocket Barbarea vulgaris yellow rocket Bassia hirsuta hairy smotherweed Bassia scoparia summer-cypress Berberis thunbergii Japanese barberry X Berberis vulgaris European barberry Bidens polylepis tick-seed sunflower X Brassica juncea Chinese mustard Picture of evening primrose. Erect winter annual or biennial. Primarily a weed of turfgrass, winter small grains, and pastures. The plant is self-fertile. Yellow rocket seedling. Goldenrod (Solidago) is a source of mild debate in the plant world.Some view it as a type of wildflower while others only see it as an invasive weed.There are more than 100 species of this herbaceous perennial. The species is hermaphrodite (has both male and female organs) and is pollinated by Flies, bees, beetles. The terminal lobe has a heart-shaped base. It is noted for attracting wildlife. Family: Mustard family (Cruciferae) Yellow Rocket Scouting and Prevention: Yellow Rocket can have 1 or many stems per plant that start to form in the spring and grow an erect 20 to 80 cm tall. (Not necessarily invasive) Ragweed, Smartweed, Yellow rocket, Mares tail, Chickory, Queen Anne’s lace, Henbit, Foxtail These mostly sun-loving native annuals can be weedy in newly seeded/planted areas but are not considered invasive. Yellow starthistle first was collected in North Dakota in 1964 and was added to the state noxious weed list for a time beginning in 1999 after plants were observed in several newly seeded CRP fields. Yellow starthistle is an extremely invasive, fast-spreading member of the knapweed family and native of the Mediterranean region. It is far less common here than the look-alike, non-native Garden Yellow Rocket (Barbarea vulgaris). Under the Ontario Weed Act, Yellow Rockets is considered a noxious weed, meaning that the plant can be harmful to the environment and animals. David Beaulieu While it has a nice yellow flower, as shown in the picture here, common evening primrose (Oenothera biennis) can be an invasive plant. Barbarea vulgaris is a PERENNIAL growing to 0.4 m (1ft 4in). Evening Primrose . Invasive species can harm natural communities and systems (plants and animals found in particular physical environments) by out-competing native species, reducing biological diversity, altering community structure and, in some cases, changing ecosystems. Perennial Grasses Dame’s rocket seems to be following explosive growth patterns similar to its close relatives in the mustard family, garlic mustard, yellow rocket, hedge mustard and wild radish, all highly invasive species that have infested agricultural lands and native woodlands, savannas and grasslands across the country. Leaves towards the top of the plant are smaller and less lobed. American Yellow Rocket is a circumpolar species native to North America and Asia, and is more common in the western states and into Canada. But the only thing ugly about yellow toadflax is its invasive quality. Yellow Rocket Barbarea vulgaris. Leaves are lobed with one large terminal lobe and as many as four lateral lobes. Life cycle. It is in flower from May to August, and the seeds ripen from July to September. Seedlings have round to egg-shaped cotyledons on long stalks with smooth, shiny, dark green leaves that initially develop from a basal rosette. ... (Acer saccharum), for the ultimate yellow, orange and red fall color. Don't plant these 10 invasive species in your yard: tiger lilies, burning bush and more ... Dame’s rocket. Yellow Rocket (Mustard Flower) Look at the plant's leaves. Invasive species threaten New York’s food supply, Leaves. September 16, 2015 Barbarea vulgaris R. Br. 10 of 16. 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