> [!cite] BHL link: this entry starts at [page 343](https://www.biodiversitylibrary.org/page/33212385) of TL-2 Vol. VI > Author links: [IPNI](https://www.ipni.org/a/10655-1) LSID 10655-1, [Wikidata](https://www.wikidata.org/wiki/Q21610717) QID Q21610717 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Thyssen, Paul (1891-1974), German (Preuss.-Rheinland) horticulturist and bryologist; studied at the Berlin-Dahlem Gartenbauhochschule; on active service in World War I, assistant horticulturist at Köln 1922, "Gartendirector" ib. 1931. **Abbreviated name**: *Thyssen* \[standard form in IPNI: *Thyssen*\] #### Herbarium and types [[Collection M|M]] (bryoph. herb., rd. 1969 and lichens coll. 1940). #### Bibliography and biography BFM 59. #### Biofile - Anon., Rev. bryol. 30: 296. 1961, 34: 959. 1967, 35: 424. 1968 (publ.). - Mägdefrau, K., Hoppea 37: 147. 1978. - Hertel, H., Mitt. Bot. München 16: 443. 1980 (bryoph. herb. rd 1969; also lichens at M). - Sengespeik, F., Decheniana 128: 1-2. 1975 (biogr. sketch, list publ., portr.). #### Composite works With L. Laven, *Flora des Köln-Bonner Wandergebietes*, Wiss. Mitt. Ver. Natur-Heimatk. 1: 149-268. 1937, ed. 2: in Decheniana 112(1): 1-179. 1959.