| Name | Chamaecyparis obtusa var. formosana (Hayata) Hayata | 
| Authorship | (Hayata) Hayata | 
| Rank | Variety | 
| Placed in | Chamaecyparis obtusa (Siebold & Zuccarini) Endlicher | 
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Chamaecyparis obtusa var. formosana (Hayata) Hayata | 
| Identification made in | [no date] (20) |