Each of those plants has multiple varietal, and mostly are hybrids. The exact variety of those especially Calla lilies, Primulas and Chrysanthemums are difficult to be certain off, since there are literally hundreds of them, and each year there are new cultivars coming out to the market
Calla lilies (Zantedeschia hybrida)
Monstera deliciosa
Schefflera arboricola / Dwarf Umbrella Tree (Heptapleurum arboricola)
Primula / Primroses (Primula hybrida)
Hybrid mum / (Chrysanthemum hybrida)
