> [!cite] BHL link: this entry starts at [page 424](https://www.biodiversitylibrary.org/page/33068666) of TL-2 Vol. II > Author links: [IPNI](https://www.ipni.org/a/4426-1) LSID 4426-1, [Wikidata](https://www.wikidata.org/wiki/Q6075604) QID Q6075604 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Jansen, Pieter (1882-1955), Dutch agrostologist and high school teacher at Rotterdam (1900-1912), at the teachers college of Amsterdam 1912-1952. **Abbreviated name**: *Jans.* \[standard form in IPNI: *Jansen*\] #### Herbarium and types [[Collection L|L]]; other material at [[Collection AMD|AMD]], [[Collection GOET|GOET]] and [[Collection U|U]]. #### Bibliography and biography AG 5(1): 347, 12(2): 637; Backer p. 293; Barnhart 2: 246; BL 2: 424,425,672; Bossertp. 195; IH 2: 313;JW 2: 193;Kew3: 152; SBC p. 123 ("Jans."). - Ooststroom, S.J. van, Blumea 8(1): I. 1955 (portr.); Acta Bot. Neerl. 4(4): 485-486. 1955 (portr.). #### Composite works *Flora neerlandica, Gramineae*, vol. 1(2), 272 p. #### Eponymy *Jansenella* Bor (1955). *Note*: *Jansenia* Barbosa Rodrigues (1891) is dedicated to José Jansen Ferreira Jr., Brazilian politician.