| Name | Chionostomum |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Sematophyllaceae Brotherus |
| Contains | Chionostomum hainanensis B. C. Tan & Y. Jia Chionostomum sp. |
| Name | Chionostomum |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Sematophyllaceae Brotherus |
| Contains | Chionostomum hainanensis B. C. Tan & Y. Jia Chionostomum sp. |