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Re: TFH Riccia&CO2

       From: "Robert H" <robertpaulh at earthlink_net>

> * The article on riccia (p. 21) states that "when attached to objects of
> even the substrate, it develops roots and looks for all the world like
> grass." In my experience, riccia doesn't grow roots or attach to
> anything, at least underwater.

I personally, have never been fond of TFH magazine, (a lot of fluff,
advertising, and techno jargin), or their books, (severly outdated), but I
have heard this before..I have talked to several people via the forums that
insist Riccia can attach itself and grow roots of sorts. I have never
experienced this. Has anybody else here?

Riccia is a liverwort and does not grow true roots,  It does produce
hair-like structures called rhizoids.  Mosses produce these too.  Rhizoids
are basically chains of cells, all of one type.

Paul Krombholz, in central Mississippi, where we are getting very dry,