| Xylosteon album (L.) Moldenke |
Synonym |
 |
WCSP (in review) |
| Xylosteon alpigenum Fuss |
Unresolved |
 |
WCSP (in review) |
| Xylosteon alpinum Dum.Cours. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon arboreum Webb |
Unresolved |
 |
WCSP (in review) |
| Xylosteon asperifolium Decne. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon caeruleum Dum.Cours. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon campaniflorum Lodd. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon canadense Duhamel ex DC. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon chrysanthum |
Unresolved |
 |
TRO |
| Xylosteon chrysanthum var. subtomentosum Rupr. |
Synonym |
 |
TRO |
| Xylosteon ciliatum Pursh |
Unresolved |
 |
WCSP (in review) |
| Xylosteon ciliosum Steud. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon conjugialis Howell |
Unresolved |
 |
WCSP (in review) |
| Xylosteon cordatum Moench |
Unresolved |
 |
WCSP (in review) |
| Xylosteon dumetorum Moench |
Unresolved |
 |
WCSP (in review) |
| Xylosteon ebractulatum Rydb. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon flexuosum (Thunb.) Dum.Cours. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon fragrantissimum Small |
Unresolved |
 |
WCSP (in review) |
| Xylosteon gibbiflorum Rupr. & Maxim. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon hispidum (Pall. ex Schult.) Rupr. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon ibericum Fisch. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon involucratum Richardson |
Synonym |
 |
TRO |
| Xylosteon karelinii (Bunge ex P. Kir.) Rupr. |
Synonym |
 |
TRO |
| Xylosteon ledebourii Howell |
Unresolved |
 |
WCSP (in review) |
| Xylosteon ligustrinum (Wall.) D. Don |
Synonym |
 |
TRO |
| Xylosteon loureiroi Hook.f. & Thomson |
Unresolved |
 |
WCSP (in review) |
| Xylosteon maackii Rupr. |
Synonym |
 |
TRO |
| Xylosteon maximowiczii Rupr. |
Synonym |
 |
WCSP (in review) |
| Xylosteon mexicanum Kunth |
Synonym |
 |
TRO |
| Xylosteon morrowii (A.Gray) Moldenke |
Unresolved |
 |
WCSP (in review) |
| Xylosteon naisoca Buch.-Ham. ex D.Don |
Unresolved |
 |
WCSP (in review) |
| Xylosteon nigrum Medik. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon oblongifolium Goldie |
Unresolved |
 |
WCSP (in review) |
| Xylosteon philomelae Dippel |
Unresolved |
 |
WCSP (in review) |
| Xylosteon puniceum Raf. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon purpurascens Jacquem. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon pyrenaicum (L.) Dum. Cours. |
Accepted |
 |
TRO |
| Xylosteon scandens Buch.-Ham. ex D.Don |
Unresolved |
 |
WCSP (in review) |
| Xylosteon siculum Raf. |
Unresolved |
 |
WCSP (in review) |
| Xylosteon sieversianum Rupr. |
Synonym |
 |
TRO |
| Xylosteon solonis Eaton |
Synonym |
 |
TRO |
| Xylosteon spinosum (Jacq. ex Walp.) Decne. |
Synonym |
 |
TRO |
| Xylosteon tataricum (L.) Michx. |
Synonym |
 |
TRO |
| Xylosteon utahensis Howell |
Unresolved |
 |
WCSP (in review) |
| Xylosteon villosum Michx. |
Synonym |
 |
TRO |
| Xylosteon vulgare Röhl. |
Unresolved |
 |
WCSP (in review) |