This plant became known as Rotala sp. 'Goiás' in the hobby. Later on it was identified as a member of the very variable, widely distributed species Rotala mexicana zählt.
The submersed habit of R. mexicana 'Goiás' is creeping, dense populations also grow upright.
To be continued...
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[widget=aquaticplants/rotala-mexicana-goias]Rotala mexicana "Goiás"[/widget]