| Title | Lichenum Generis Usnea Studium Monographicum. |
| Abbreviation | Usnea |
| Variant title: | Lich. Gen. Usnea |
| Authors | J. Motyka |
| Publication Dates | vols. 1-3; v. 1: 1-304. Nov 1936; v.2(1): 305-560. 1937; v. 2(2): 561-651. Apr-Jun 1938; v. 3: 1946 (1947) |
| Place of publication | Leopoli |
| Publisher | [Lwów, A. Gojawiczyńskiego] |
| HOLLIS | 006069714 |
| TL2 | 6.269 |
| Remarks | Notes:Paged continuously. v.1-2 Pars systematica. v.3- Pars generalis. |
The Harvard University Herbaria hold 6 type specimens of taxa described in this publication
Usnea evansii Motyka [Isotype] 1936, fasc. 1: 232, 251Usnea tristis Motyka [Isotype] 1936, fasc. 1: 232, 249
Usnea pachyclada Motyka [Isotype] 1936, 1: 160
Usnea pachyclada Motyka [Isotype] 1936, 1: 160
Usnea pachyclada Motyka [Isotype] 1936, 1: 160
Usnea pachyclada Motyka [Type] 1936, 1: 160