Oops, I meant...are you going to sow the seeds of other orchids on your trees? That's what I would do. I've done it here in SoCal.
Here's the largest seedling growing on my tree. Unfortunately, none of the seeds of my orchids would ever germinate on my neighbors' trees. I'm the only one with a drip system up a tree!
I'm trying to imagine a situation where one neighbor accuses another of "infesting" his tree with orchids.
Bob: Look at my tree!
Sally: What's wrong with it?
Bob: It's full of orchids!
Sally: So?
Bob: So??? I don't want them there!
Sally: What does this have to do with me?
Bob: The seeds came from your orchids!!
Sally: Well...I'm not the only one in the neighborhood who grows orchids.
Bob: But you're the only one who grows Grammatophyllum speciosum!
Sally: That's true...
It's not the easiest thing to think of a very realistic situation.
How about if one neighbor only grows orchids and his next door neighbor only grows Platyceriums. Then the orchid neighbor would complain when a Platycerium superbum volunteer ate a dozen of his Dendrobium cuthbertsoniis.
It seems likely that in the "near" future there's going to be quite a bit of competition for arboreal real estate in Hawaii. Are many native epiphytes going to be priced out of the market? I think that the vast majority of Hawaii's native epiphytes are ferns. So the biggest threat would come from foreign epiphytic ferns and other foreign epiphytes that share the same microhabitats. Very generally speaking... the drier/sunnier the microhabitat of a foreign epiphyte...the more likely it is that its introduction will result in a biodiversity net gain. Is that true?
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