Hey Groundhog, glad to see you here as well. Harella odorata is great. One warning, it HATES drying out for too long. Otherwise it will do very well for you. Doesn't need that much light either. I cannot comment on the other two though. Good luck.
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"We must not look at goblin men,
We must not buy their fruits:
Who knows upon what soil they fed
Their hungry thirsty roots?"