I think the general name might be 'bellis?'

There are a lot of plants in the daisy family as you illustrate. The scientific name for the daisy family is Compositae and within the family are a number of genus including Bellis, Asteraceae, Erigeron and Celmisia.

Sorry, Bulbaholic....

Danie, the name for the Daisy family is Asteraceae, though in older books it is listed as Compositae. It contains plants that most people would call daisies, but also plants like yarrow, dandelions, mums, chicory, and even the tree-like or yucca-like silverswords from Hawaii. The daisies that you show are named thus:

Top: probably a Paris Daisy, aka Marguerite (Argyranthemum fruticosum), though a better picture of the foliage would clear up doubt.

Middle: a Transvaal Daisy (Gerbera jamesonii).

Bottom: one of the several different plants called African Daisy, in this case an Osteospermum hybrid.

I hope this helps, if we really didn't answer the question, please let us know, with a few more particulars.

Some of us enjoy being stuck in the past, Tug! You are right, of course, it is now Asteraceae but who knows what it will be next week ;-)

True! And I thought that the advantage of botanical names was that they didn't change! : D