[Terrapreta] char & vascular systems

[Roy Lent]

When I asked about lignite as TP I was told that lignite does not work since
it contains no real vascular system. At least one list member was of this
opinion. Now I see the discussion on the list about making TP char from
algae, May I point out that no algae has a vascular system. Is there
something I'm missing here?

Roy
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