x hummeliae 'Fern Leaf'
Hybrid raised by Mr & Mrs Hummel of Hummel's Exotic Gardens, called Kalanchoe beharotti, first offered in their 1961 catalogue, re-named by Johnson in his catalogue of 1961 as K. 'Fern Leaf'.
aka K. Be-Harotii or beharottii, both not validly published names.
Parentage : Kalanchoe beharensis x K. millotii.