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Wetland and Aquatic Plants
of
Oklahoma
Interactive Keys: Submersed
Hornworts
(Ceratophyllaceae)
Note:
The seeds and
foliage of coontails are eaten by
birds. They also provide habitat and
shelter for juvenile fish and aquatic insects. Both
species are native perennials.
NWI
status: coontails are
considered OBL.
Identification: these
two species can be separated based on two characters.
Coontail has jagged (serrate) leaves and spines on
the seeds
(achenes). Spineless coontail has
neither characteristic.
Coontail
(Ceratophyllum
demersum L.)
click
thumbnail to enlarge
Spineless
coontail (Ceratophyllum echinatum
Gray)
Last update: 1/27/04
Comments to : Bruce Hoagland
bhoagland@ou.edu
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