Tiffany: I get really confused about a lot of plants and especially Portulaca. I think most of the varieties have the common name of Purslane, another common name is Moss Rose.
I always thought
Common Purslane (Portulaca oleracea) had only yellow flowers so I was confused to see other colors shown in the database.
And if you view some of the photo's for
Moss Rose (Portulaca grandiflora) you will see photo's different leaf types.
I believe some of the photo's at the P. grandiflora entry are actually
Kiss Me Quick (Portulaca pilosa)
but I don't really have a clue.