Stephen R. Downie

Stephen R. Downie (fl. 1986), U.S. botanist.

IPNI standard form: S.R.Downie

• 11taxon names authored by Stephen R. Downie

• Downie, S.R., Katz-Downie, D.S. & Spalik, K. 2000. A phylogeny of Apiaceae tribe Scandiceae: evidence from nuclear ribosomal DNA internal transcribed spacer sequences. American Journal of Botany 87(1): 76–95. DOI: 10.2307/2656687Reference page. 
• Downie, S.R., Katz‐Downie, D.S. & Watson, M.F. 2000. A phylogeny of the flowering plant family Apiaceae based on chloroplast DNA rpl16 and rpoC1 intron sequences: towards a suprageneric classification of subfamily Apioideae. American Journal of Botany 87(2): 273–292. DOI: 10.2307/2656915 PDFReference page. 
• Spalik, K., Wojewódzka, A. & Downie, S.R. 2001. Delimitation of genera in Apiaceae with examples from Scandiceae subtribe Scandicinae. Edinburgh Journal of Botany 58(2): 331–346. DOI: 10.1017/S096042860100066X ResearchGate Reference page. 
• Downie, S.R., Hartman, R.L., Sun, F.J. & Katz-Downie, D.S. 2002. Polyphyly of the spring-parsleys (Cymopterus): molecular and morphological evidence suggests complex relationships among the perennial endemic genera of western North American Apiaceae. Canadian Journal of Botany 80(12): 1295–1324. DOI: 10.1139/b02-119 ResearchGate Reference page. 
• Spalik, K., Reduron, J.-P. & Downie, S.R. 2004. The phylogenetic position of Peucedanum sensu lato and allied genera and their placement in tribe Selineae (Apiaceae, subfamily Apioideae). Plant Systematics and Evolution 243(3–4): 189–210. DOI: 10.1007/s00606-003-0066-2 ResearchGate Reference page. 
• Winter, P.J.D., Magee, A.R., Phephu, N., Tilney, P.M., Downie, S.R. & Van Wyk, B.E. 2008. A new generic classification for African peucedanoid species (Apiaceae). Taxon57(2}: 347–364. DOI: 10.2307/25066009 PDF.Reference page. 
• Spalik, K., Downie, S.R. & Watson, M.F. 2009. Generic Delimitations within the Sium Alliance (Apiaceae Tribe Oenantheae) inferred from cpDNA rps16-5'trnk(UUU) and nrDNA ITS sequences. Taxon 58(3): 735–748. DOI: 10.1002/tax.583004 JSTOR PDF.Reference page. 
• Downie, S.R., Spalik, K., Katz-Downie, D.S. & Reduron, J.-P. 2010. Major clades within Apiaceae subfamily Apioideae as inferred by phylogenetic analysis of nrDNA ITS sequences. Plant Diversity and Evolution 128(1–2): 111–136. DOI: 10.1127/1869-6155/2010/0128-0005 PDF.Reference page. 
• Magee, A.R., Calviño, C.I., Liu, M., Downie, S.R., Tilney, P.M. & Van Wyk, B.E. 2010. New tribal delimitations for the early-diverging lineages of Apiaceae subfamily Apioideae. Taxon 59(2): 567–580. DOI: 10.1002/tax.592021 JSTOR PDFReference page. 
• Liao, C.Y., Downie, S.R., Li, Q., Yu, Y. & He, X.Y. 2012. Historical biogeography of the Angelica group (Apiaceae tribe Selineae) inferred from analyses of nrDNA and cpDNA sequences. Journal of Systematics and Evolution 50: 206–217. DOI: 10.1111/j.1759-6831.2012.00182.x PDF.Reference page. 
• Liao, C.Y., Downie, S.R., Li, Q., Yu, Y., He, X.Y. & Zhou. B. 2013. New insights into the phylogeny of Angelica and its allies (Apiaceae) with emphasis on East Asian species, inferred from nrDNA, cpDNA, and morphological evidence. Systematic Botany 38(1): 266–281. DOI: 10.1600/036364413X662060 PDF.Reference page. 
• Brullo, C., Brullo, S., Downie, S.R., Danderson, C.A. & Giusso, G. 2013. Siculosciadium, a new monotypic genus of Apiaceae from Sicily. Annals of the Missouri Botanical Garden 99(1): 1–18. DOI: 10.3417/2011009 JSTOR PDF.Reference page. 
• Wang, Z.X., Downie, S.R., Tan, J.B., Liao, C.Y., Yu, Y. &He, X.J. 2013. Molecular phylogenetics of Pimpinella and allied genera (Apiaceae), with emphasis on Chinese native species, inferred from nrDNA ITS and cpDNA intron sequence data. Nordic Journal of Botany 31(5): 642–657. DOI: 10.1111/j.1756-1051.2013.00343.x PDFReference page. 
• Zakharova, E.A., Kljuykov, E.V., Degtjareva, G.V., Samigullin, T., Ukrainskaya, U.A. & Downie, S.R. 2016. A taxonomic study of the genus Hellenocarum H. Wolff (Umbelliferae-Apioideae) based on morphology, fruit anatomy, and molecular data. Turkish Journal of Botany 40(2): 176–193. PDFReference page. 
• Liu, M. & Downie, S.R. 2017. The Phylogenetic Significance of Fruit Anatomical and Micromorphological Structures in Chinese Heracleum Species and Related Taxa (Apiaceae). Systematic Botany 42(2): 313–325. DOI: 10.1600/154823217X695539Reference page.