Leucanthemum x superbum

Leucanthemum x superbum

Leucanthemum x superbum (Bergbm. ex Ingr.) Kent.
Engl.: shasta daisy.
Fran.: marguerite d'été.
Bot. syn.: See Leucanthemum maximum DC. x lacustre Samp., Chrysanthemum x superbum Bergm. ex Ingr.

I have no articles for this botanical term, but there might be some for the next level down (if found).