> [!cite] BHL link: this entry starts at [page 738](https://www.biodiversitylibrary.org/page/33355825) of TL-2 Vol. III > Author links: [IPNI](https://www.ipni.org/a/6953-1) LSID 6953-1, [Wikidata](https://www.wikidata.org/wiki/Q5920600) QID Q5920600 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Newton, Isaac (1840-1906), British-Portuguese businessman and bryologist at Porto, Portugal. **Abbreviated name**: *I. Newton* \[standard form in IPNI: *Newton*\] #### Herbarium and types [[Collection PO|PO]]; further material at [[Collection B|B]] (through Geheeb), [[Collection COI|COI]], [[Collection H|H]] and [[Collection L|L]]. #### Bibliography and biography Barnhart 3: 1; CSP 17: 510; GR p. 769; IH 2: (in press); Morren ed. 10, p. 93; TL-2/see Le Monnier, L. G. - Anon., Broteria 1: 194. 1902, 3: 310. 1904 (address list). - Geheeb, A., Rev. bryol. 6(5): 73. 1879. - Müller, R. H. W. & R. Zaunick, Friedr. Traug. Kützing 22, 258, 290. 1960. - Sampaio, J., Subsidios para a história da botânica em Portugal, I. O colector Isaac Newton. Portr. 1947, 77 p., Broteria 52(4): 145-192. 1946, 53 (1,2): 23-51. 1947. (portr., bio-bibliography, b. 7 Jun 1840, d. 9 Apr 1906; original and important study). - Willkomm, M., Grundz. Pfl. – Verbr. Iber. Halbins. 20 1896. (Veg. Erde 1). #### Eponymy *Newtonia* Baillon (1888) honors Sir Isaac Newton (1642-1727), English mathematician, philosopher and scientist; *Newtonia* O. Hoffmann (1892 & 1894) was named in honor of Francis Newton (1864-1909), British-born Portuguese plant collector in West Africa.