I'm thinking of creating another Weed Orchid

[Optimist]

Who knows, the symbiotic fungus may be floating around in the air. Obviously the wild orchids get enough of it to grow. I think only when in a sterile lab do you need to bring medium in.

Its like when I wondered where exactly this nitrifying bacteria was that I needed to cycle my fish tank. In the air. Where is the yeast you need to get sourdough starter cooking? In the air.