Steve,
Aha! As we all suspected, your new GH is already full
Joking aside, what an array of beautiful specimens you have in there.
Your description of the Nypa's aquatic root growth would make the palms invaluable in habitat for holding banks/hillsides at river edges during monsoon rains/storms. Very cool.
Those seedlings look very very healthy, obviously benefiting from the humidity in there.
Your "misc" pic of the interior is fabulous.
I would putter around in there for hours and hours, never getting anything else done.
Nice work!
Barb