| Medial (Center) Variegation | Plant Size | Leaf Color | Var Color | Origin | Season | Source | Registered |
| 'X Philes' | Medium | Dark-Green | White | Unknown | - | Unknown | --NR-- |
| 'Xanadu' | Small | Med-Green | White | Sport | - | Malloy, Alex | .2000 |
| 'Xanadu Amora' | Large | Light-Green | Yellow | Hybrid | - | Skaggs, Virginia & Skaggs, Brian | --NR-- |
| 'Xanadu Brian's Song' | Miniature | Dark-Green | White | Hybrid | July | Skaggs, Virginia & Skaggs, Brian | --NR-- |
| 'Xanadu Sommer Time' | Medium | Med-Green | Yellow | Sport | - | Skaggs, Virginia & Skaggs, Brian | --NR-- |
| 'Xanadu Xanthippe' | Giant | Light-Green | Dark Green | Hybrid | - | Skaggs, Virginia & Skaggs, Brian | --NR-- |
| 'X-cellent' | Medium | Dark-Green | Yellow | Unknown | July | Beilstein, Doug | .2018 |
| 'X-rated' | Small | Med-Green | White | Sport | August | Simmering, Ron | .2001 |
| 'X-ray' | Small | Med-Green | White | Sport | August | Simmering, Ron | .2000 |
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