Hornwort - Definition
hornwort
n 1: any aquatic plant of the genus Ceratophyllum; forms
submerged masses in ponds and slow-flowing streams
2: liverworts with slender hornlike capsules
n 1: any aquatic plant of the genus Ceratophyllum; forms
submerged masses in ponds and slow-flowing streams
2: liverworts with slender hornlike capsules