> [!cite] BHL link: this entry starts at [page 154](https://www.biodiversitylibrary.org/page/33264881) of TL-2 Suppl. I > Author links: [IPNI](https://www.ipni.org/a/30960-1) LSID 30960-1, [Wikidata](https://www.wikidata.org/wiki/Q21505316) QID Q21505316 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Arens, Pedro \[Martin José\] (1884-1954), German (Peru-born) botanist, returned to Germany 1896, studied at the Gymnasium and University of Bonn, Dr. phil. Bonn 1907, botanist at the rubber experiment Station at Bandung, Java, 1908-1910, botanist and assistant director of the rubber experiment Station at Malang (Java), director of the scientific branch of the Rubber Cultuurmaatschappij, Karang, Deli (Sumatra), from 1931 in retirement at Hilversum, Netherlands working on Malesian mosses. **Abbreviated name**: *P. Arens* \[standard form in IPNI: *Arens*\] #### Herbarium and types [[Collection GRO|GRO]] and [[Collection L|L]], also [[Collection BO|BO]] and [[Collection BM|BM]]-Verdoorn. #### Bibliography and biography SBC p. 115. #### Biofile - Sayre, G., Bryologist 80(3): 503. 1977 (lists herbarium colls.) - Wijk, R. v.d., Vakbl. Biologen 34: 23-24. 1954 (obit., d. 6 Jan 1954). ### Publications ##### n.19.411. Zur Spermatogenese der Laubmoose **Title** *Zur Spermatogenese der Laubmoose*... Inaugural-Dissertation zur Erlangung der Doktorwürde genehmigt von der Philosophischen Fakultät der Rheinischen Friedrich-Wilhelms-Universität zu Bonn... (Druck der P. Hauptmann'sehen Buchdruckerei) 1907. Oct. **Abbreviated title**: *Spermatogen. Laubmoose*. **Notes** *Publ*.: 6 Aug 1907 (date of defense thesis), p. \[1\]-35, \[36, vita\], *pl*. \[*1*\], *Copies*: B-S, NY.