Due to its extensive stolons and root system, ground ivy is difficult to control. Plantains , Plantago spp. These species form basal rosettes of leaves. Buckhorn leaves are long, narrow, hairy , and 2 to 10 in. Broadleaf and blackseed plantain leaves are broad, simple, and egg-shaped .
Blackseed plantain has a purplish petiole.
The flowers of all species are borne on a leafless stem . Buckhorn plantain flowers are in a tight spike at the end of the stem, while broadleaf and blackseed plantain flowers are borne on an elongated spike on the stem. Plantains are common weeds in turf. Annual bluegrass is a winter annual or perennial that can persist in closely mowed turfs for many seasons. It is apple green in color and produces hundreds of whitish-green seedheads at all mowing heights.