Peronospora alyssi-calycini Gäumann, 1918
upperside of the leaves with paled, slightly thickened patches. Shoots in bud grow vertically upwards and do not come into flower. Underside of the leaves with a white fungal bloom, consisting of erect, distally strongly branched conidiophores, each one ending upon an egg-shaped conidium.
Alyssum alyssoides, montanum.
A reference by Mayor (1967a) to Alyssum maritimum [= Lobularia maritima] probably concerns Hyaloperonospora lobulariae.
Brandenburger (1985a), Buhr (1964b), Doppelbaur, Huber & Poelt (1965a), Gustavsson (1991a), Klenke & Scholler (2015a), Mayor (1967a), Săvulescu (1948a).