...and so far I remember from my sister, when she was in the staghorn ferns, and filled her house with more than 20 plants (they looked all different to me at that time - I was a child -, but could be they were all teh same species) They are extremely sensitive to Tobacco smoke... she used to say the y HATE it!
...but maybe it was also her argument to stop the smoking habit of my brother-in-law!