A. Plantago: leaves radical, ovate or lanceolate; flower-stem 1-3 feet high, with whorled unequal branches, forming a loose pyramidal panicle; flowers rather small, very pale rose-colour, on long whorled pedicels. - Watery ditches, ponds, and edges of streams. Fl. July, August.
A. ranunculoid.es: leaves narrow-lanceolate, sometimes reduced to a linear leafstalk; flower-stems simple, with a single terminal umbel, rarely a second whorl below it; flowers larger than in the last, sometimes nearly an inch diameter; pale purple. - Wet ditches and bogs. Fl. June, July.