Robbin C. Moran. Curator of Ferns and Lycophytes at The New York Botanical Garden
Adiantum x variopinnatum Jermy & T. G. Walker is a sterile hybrid between A. latifolium Lam. and A. petiolatum Desv. So far, it is known only from Trinidad and Costa Rica.
Thanks for sharing. Blows my mind that two different species of spore find there way to the same spot.