1. hornworts (non-vascular plants of order Anthocerotopsida)
Wikipedia definition
2. HornwortThis article is about the non-vascular plants. The name Hornwort also refers to aquatic plants of the genus Ceratophyllum, in the family Ceratophyllaceae. colspan=2 style="text-align: center; background-color: transparent; text-align:center; border: 1px solid red;" | HornwortTemporal range: 90–0 Ma PreЄ Є O S D C P T J K Upper Cretaceous (but see text) to recent 240px Phaeoceros laevis Prosk.
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Read “Hornwort” on DBpedia
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