This is what was given my by people who are definitely more well versed in the scientific end of things that I am.
Philodendron 'Florida Beauty' (the plain green plant) was a hybrid of P. pedatum x P. squamiferum produced in FL by Robert McColley from his breeding program in the 1950's.
The variegated form, Florida Beauty, and the Florida Ghost, are sports of that hybrid.
