They should germinate if left on the surface of some cork or oak. Keep
them relatively dry and out of the wind. Spray them with a weak fish
emulsion and let them dry between mistings (which will naturally depend
on the conditions in your greenhouse) good luck. I live in Florida and
grow many (like in LOTS) of weird plants. Spanish Moss (a species of
Tillandsia, related to the pineapple and all other bromeliades) thrives
in the wild here. It¹s called Beard of the Conquistadores in Spanish.
Legend has it that their ghosts were doomed to haunt the swamps. Really