Hornworts
Ceratophyllum
Ceratophyllum is a cosmopolitan genus of flowering plants including four accepted species in 2016, commonly found in ponds, marshes, and quiet streams in tropical and in temperate regions. It is the only genus in the family Ceratophyllaceae, itself the only family in the order Ceratophyllales. They are usually called coontails or hornworts, although hornwort is also used for unrelated plants of the division Anthocerotophyta.
6 branches of this genus, most-observed first
coontail
speciesCeratophyllum demersum
spiny coontail
speciesCeratophyllum echinatum
Soft Hornwort
speciesCeratophyllum submersum
Ceratophyllum tanaiticum
speciesCeratophyllum tanaiticum
prickly hornwort
speciesCeratophyllum muricatum
Ceratophyllum australe
speciesCeratophyllum australe
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Ceratophyllum in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 60999.