1951 (Royal Hort. Soc.) IV. 1958/1 S[ilybum] Marianum. Blessed Thistle, Holy Thistle, Our Lady's Milk Thistle.
1986 23 Mar. (Mag.) 36/1 Seeding itself where it will in the flower beds..is our lady's milk thistle or holy thistle, Silybum marianum with variegated leaves of green and silver.