hornwort

Here, a rootless aquatic plant with whorls of stiff, forked leaves that form dense underwater growth.

Ceratophyllum demersum

All languages

English: hornwort
Norwegian: hornblad
Japanese: マツモ — まつも — matsumo
Korean: 붕어마름 — bungeomareum
Spanish: Ceratophyllum demersum — Scientific name; Spanish name under review
French: cératophylle
German: Raues Hornblatt

Illustrations are AI-generated and translations are undergoing language review.

Reference sources