Peronospora mesembryanthemi Verwoerd, 1924
Cleretum bellidiforme, from Mckenzie & Dingley (1996a)
the leaves are crumpling, ultimately falling off. underside pf the leaf with a fungal down, consisting of erect conidiophores that apically several times are branching, each branch ending in a pale brown conidium.
Brandenburger (1985a: 94), Mckenzie & Dingley (1996a).