The cacti are:
Echinocereus triglochidiatus v. mojavensis
Opuntia basilaris
Escobaria leei
Escobaria vivipara
Escobaria vivipara v. buoflama
Echinocereus x roetteri
Mammillaria wrightii
And the two yuccas are:
Yucca torreyi and Yucca schidigera.
I got them from Roger who runs
http://www.rockgardenplants.com
He's a super nice guy. I highly recommend ordering from him.
I would check them out they have good prices and a great selection.
![Very Happy :D](./images/smilies/icon_biggrin.gif)
They also have a outlet in Washington.
Regards,
Jay