Found several.

Here is a link that might be useful: Sedum lydium

This one is closer

Here is a link that might be useful: Sedum lydium

Thanks cactus, I've got it bookmarked -- now I've got big decisions to make on what else to buy to bring the order up to the minimum. (never have seen much sense in buying multiple sedums, since they propagate like bunnies).
I had planned a smallish rock garden, but have already decided to triple its size. Still giggling at someone's reference to their "plant budget". Mine is the formula Plant budget = net income -(mortgage, utilities, & food) and we can always eat cheaper food!

Pat