Plantago lanceolata is a species of genus Plantago known by the common names ribwort plantain, English plantain, buckhorn plantain, narrowleaf plantain, ribleaf and lamb's tongue. It is a common weed of cultivated land.
The plant is a rosette-forming perennial herb, with leafless, silky, hairy flower stems (10–40 cm/3.9–16 in). The basal leaves are lanceolate spreading or erect, scarcely toothed with 3-5 strong parallel veins narrowed to short petiole. Grouping leaf stalk deeply furrowed, ending in an oblong inflorescence of many small flowers each with a pointed bract. Each flower can produce up to two seeds. Flowers 4 mm (calyx green, corolla brownish), 4 bent back lobes with brown midribs, long white stamens. Found in British Isles, scarce on acidic soils (pH < 4.5). It is considered an invasive weed in North America. It is present and widespread in the Americas and Australia as an introduced species.