Template:Troitskaya, 1922
- Troitskaya, O.V. 1922. De Carteriis nonnullis minus cognitis notulae. Botaniceskie Materialy Instituta Sporovyh Rastenij Glavnogo Botaniceskogo Sada RSFSR. Notulae Systematicae ex Instituto Cryptogamico Horti Botanici Petropolitani Reipublicae Rossicae 1: 114–119. [in Russian]