The orange daisy I agree with Gazania

The white alyssum looks like a sweet alyssum (Lobularia) to meThe last two
came out of a so-called western wildflower seed mix, but the
name of the mix obviously didn't mean only wildflowers actually native to
the west.

A bright orange daisy-like thing, shown bigger than life size, three
inches tall:
http://www.paghat.com/images/wildflowerorange_may.jpg

This seems to be a volunteer alyssum but its so much smaller than any
cultivated alyssum I've seen; shown twice life size:
http://www.paghat.com/images/wildalyssum_may.jpg

-paghat the ratgirl

--
"Of what are you afraid, my child?" inquired the kindly teacher.
"Oh, sir! The flowers, they are wild," replied the timid creature.
-from Peter Newell's "Wild Flowers"
Visit the Garden of Paghat the Ratgirl: http://www.paghat.com