Group: Spermatophytina (Spermatophytes)
Family: Ceratophyllaceae (Hornwort family)
Genus: Ceratophyllum (Hornwort)
Ceratophyllum demersum L. - Rigid Hornwort
Ceratophyllum submersum L. - Soft Hornwort
Submerged aquatic plant, monoecious. <span class="v1">perianth:</span> perigone, 6–16‑leaved. <span class="v1">stamina:</span> 10–22. <span class="v1">ovary:</span> 1. <span class="v1">fruits:</span> nuts, <ba><b>with 2–4 longer prickles at th...
The colours represent the floristic status of the species in the respective region. Green indicates native occurrences, light green naturalized occurrences. Adventive occurrences are represented by light yellow shades and plants that are cultivated (but rarely occur in the wild) are dark yellow. Grey colours are used, if the floristic status of species is unknown or uncertain.
 |
Natural, established occurences |  |
Artificial occurences |
The color intensity reflects the species' abundance
Data: Floristische Kartierung Deutschlands (Stand 2013), Bundesamt für Naturschutz (www.floraweb.de)
waters, riparian vegetation, mudflat vegetation, reedbeds
in nutritious, alkaline, periodically wet habitats