Verbena x hybrida:

Verbena x hybrida:

Verbena x hybrida hort. ex Groenl. & Rmpler, Verbenaceae: See Glandularia x hybrida (hort. ex Groenl. & Rümpler) G. L. Nesom & Pruski.

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