Baldellia ranunculoides, the lesser water-plantain,[3] is a species of flowering plant in the family Alismataceae.

[4] When not in flower, B. ranunculoides can be mistaken for lesser spearwort, Ranunculus flammula, which grows in similar locations.

[4] Baldellia ranunculoides is found along the Atlantic and Baltic coast of western and northern Europe, and along the Mediterranean coasts of southern Europe, Turkey and North Africa.

[5][6][7] Recently found in eastern Newfoundland, Bristol's Hope barachois, Avalon Peninsula, the only location in North America.

May have been introduced by a float (Sarracenia magazine, Newfoundland and Labrador Wildflower Society.