Jeff, there is only one genus you can confuse Ceratophyllum with. It is
Myriophyllum, and there is an empirical way to separate them.
Ceratophyllum leaves are harsher when touched, stiffer, because they
have more calcium in the tissue. This is an empirical approach, but good
enough to separate the two genera.
I can tell you exactly what do you have, at least the genus, if you can
post somewhere or email mi pics or a scan of leaves. No need to take
pictures, just cut a leaf swirl above and bellow a node and scan it.
Hope it helps
sorin damian (new around)
Never had or seen the
> very small one.
>
> Anyone out there have a handle on hornworts?
>
> Jeff
>
> /-----------------------------------------------------------------------------
> /"Unless stated otherwise, comments made on this list do not necessarily
> / reflect the beliefs or goals of the North American Native Fishes
> / Association"
> / This is the discussion list of the North American Native Fishes Association
> / nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word
> / subscribe, unsubscribe, or help in the body (not subject) of an email to
> / nanfa-request_at_aquaria.net. For a digest version, send the command to
> / nanfa-digest-request_at_aquaria.net instead.
> / For more information about NANFA, visit our web page, http://www.nanfa.org
/-----------------------------------------------------------------------------
/"Unless stated otherwise, comments made on this list do not necessarily
/ reflect the beliefs or goals of the North American Native Fishes
/ Association"
/ This is the discussion list of the North American Native Fishes Association
/ nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word
/ subscribe, unsubscribe, or help in the body (not subject) of an email to
/ nanfa-request_at_aquaria.net. For a digest version, send the command to
/ nanfa-digest-request_at_aquaria.net instead.
/ For more information about NANFA, visit our web page, http://www.nanfa.org