Common names: shoreweed

Family: Plantaginaceae

Could be confused with: Isoetes, Lilaeopsis. Lobelia, Sagittaria.

Native distribution: North America, Europe, South America.

Species commonly cultivated:
Littorella americana Fernald
L. uniflora (L.) Asch. (Europe)

Adventive distribution: Information not available.

Weed status: Information not available.

Habit: Small emergent or littoral, mat-forming plant.

Brief description: Perennial, stoloniferous, forming dense mats. Leaves in a basal rosette; leaf blade linear, subcylindrical to flattened. Flowers inconspicuous, +/- 4 mm in diameter, actinomorphic, unisexual; male flowers solitary, pedicellate; female flowers in few-flowered spike. Sepals 4; petals 4, fused at base, scarious. Fruit a hard nut. Dispersal of nuts unknown.

Natural habitat: Littoral areas of still or running waters.