Also known as mercuryweed, threeseeded mercury, and wax balls, this summer annual is a member of the spurge family, Euphorbiaceae, that also includes poinsettia , croton, and caster oil plant.…
Common knotweed is an annual weed and a member of the buckwheat family, Polygonaceae, that also includes rhubarb, sorrel, and dock. It is native to Europe and Eurasia but was…
Russian knapweed is a woody , rhizomatous perennial and member of the aster family, Asteraceae, that also includes sunflower, yarrow, and lettuce. It is native to Eurasia but was introduced…
Also called cat’s bell, this herbaceous annual is native to India and Southeast Asia but was introduced the southeastern US, probably as green manure, but it escaped cultivation, naturalized, and…
Also known as prickly burweed and spiny cocklebur, bathhurst burr is an annual and a member of the aster family, Asteraceae, that also includes sunflower, yarrow, and lettuce. It is…
Also known as disc mayweed, pineapple weed is an annual herb and member of the aster family, Asteraceae, that also includes chamomile, daisies, and lettuce. It is native to northeast…
Common reed is a vigorous warm season perennial and a member of the grass family, Poaceae, that also includes corn, rice, and bamboo. It is native to north America and…
Common horsetail is a herbaceous perennial plant that bears spores rather than seeds and is more closely related to ferns than to seed bearing or flowering plants. Is is native…
Scotch broom is a deciduous flowering shrub and member of the pea family, Fabaceae that also includes alfalfa, mimosa, and black locust. It is native to northern Africa and western…
Also called eyebane, nodding spurge is an annual herb and a member of the euphorbia family, Euphorbiaceae, that also includes poinsettia, caster oil plant, and cassava. It is native to…
Karen