Ken,
Thank you for this informative article. I have a small Common Staghorn Fern (Platycerium bifurcatum) but I have seen some really huge plants in collections and at botanical gardens, some so large and heavy that it takes heavy chains to hang them. I have just one small staghorn and a large fern that I've always known as Elkhorn Fern (Microsorum punctatum) which is what the label read when I purchased it as a small plant sometime in 2009 ... but now I'm wondering if perhaps it's the Climbing Birds Nest Fern/ Dwarf Elkhorn Fern (Microsorum punctatum 'Grandiceps') ? There are currently no photos in our database but I see our database has Polypodium grandiceps listed as a synonym. This is my plant in question, do you think it could be the Climbing Birds Nest?

That' a very fine Elkhorn Fern aka Climbing Birds Nest Fern, Lin.

Thanks for the acorn gift.

Thanks so much for the confirmation Ken ... and you are very welcome for the gift ... well deserved!