Stephen R. Downie

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

Department of Plant Biology, University of Illinois at Urbana- Champaign, Urbana, IL 61801, United States of America (in 2008, 2020)

IPNI standard form: S.R.Downie

Taxon names authored

(List may be incomplete)

• 13 taxon names authored by Stephen R. Downie

Publications

(List may be incomplete)

• 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 PDF Reference 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. 
• Hardway, T.M., Spalik, K., Watson, M.F., Katz-Downie, D.S. & Downie, S.R. 2004. Circumscription of Apiaceae tribe Oenantheae. South African Journal of Botany 70(3): 393–406. DOI: 10.1016/S0254-6299(15)30222-2 PDF. Reference page. 
• Downie, S.R., Katz-Downie, D.S., Sun, F-J. & Lee, C.S. 2008. Phylogeny and biogeography of Apiaceae tribe Oenantheae inferred from nuclear rDNA ITS and cpDNA psbI–5′trnK(UUU) sequences, with emphasis on the North American Endemics clade. Botany 86(9): 1039–1064. DOI: 10.1139/B08-055 PDF 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). Taxon 57(2): 347–364. DOI: 10.2307/25066009 [nonfunctional] . Wiley [through Wikipedia Library ]. JSTOR . 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. 
• Zhou, J., Gong, X., Downie, S.R. & Peng, H. 2009. Towards a more robust molecular phylogeny of Chinese Apiaceae subfamily Apioideae: additional evidence from nrDNA ITS and cpDNA intron (rpl16 and rps16) sequences. Molecular Phylogenetics and Evolution 53(1): 56–68. DOI: 10.1016/j.ympev.2009.05.029 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. 
• Kurzyna-Młynik, R., Oskolski, A.A., Downie, S.R., Kopacz, R., Wojewódzka, A. & Spalik, K. 2008. Phylogenetic position of the genus Ferula (Apiaceae) and its placement in tribe Scandiceae as inferred from nrDNA ITS sequence variation. Plant Systematics and Evolution 274(1–2): 47–66. DOI: 10.1007/s00606-008-0022-2 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 PDF Reference page. 
• Sun, F.-J. & Downie, S.R. 2010. Phylogenetic analyses of morphological and molecular data reveal major clades within the perennial, endemic western North American Apiaceae subfamily Apioideae. Journal of the Torrey Botanical Society 137(2–3): 133–156. JSTOR PDF Reference page. 
• Liao, C.Y., Downie, S.R., Li, Q., Yu, Y. & He, X.-J. 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.-J. & 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 PDF Reference page. 
• Menemen, Y., Kandemir, A. & Downie, S.R. 2016. Pastinaca erzincanensis (Apiaceae), A New Species from Eastern Turkey and Its Phylogenetic Position within Tordylieae. Annales Botanici Fennici 53:(5–6), 373-382. DOI: 10.5735/085.053.0609 Reference 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. PDF Reference 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: 10.1600/154823217X695539 Reference page. 
• Feist, M.A.E., Smith, J.F., Mansfield, D.H., Darrach, M., McNeill, R.P., Downie, S.R., Plunkett, G.M. & Wilson, B.L. 2017. New combinations in Lomatium (Apiaceae, subfamily Apioideae). Phytotaxa 316(1): 95–98. DOI: 10.11646/phytotaxa.316.1.11 Reference page. 
• Zhou, J., Gao, Y.Z., Wei, J., Liu, Z.W. & Downie, S.R. 2020. Molecular phylogenetics of Ligusticum (Apiaceae) based on nrDNA ITS sequences: rampant polyphyly, placement of the Chinese endemic species, and a much-reduced circumscription of the genus. International Journal of Plant Sciences 181(3): 306–323. DOI: 10.1086/706851 Reference page. 
• Clarkson, J.J., Zuntini, A.R., Maurin, O., Downie, S.R., Plunkett, G.M., Nicolas, A.N., Smith, J.F., Feist, M.A.E., Gutierrez, K., Malakasi, P., Bailey, P., Brewer, G.E., Epitawalage, N., Zmarzty, S., Forest, F. & Baker, W.J. 2021. A higher‐level nuclear phylogenomic study of the carrot family (Apiaceae). American Journal of Botany 108(7): 1252–1269 DOI: 10.1002/ajb2.1701 Reference page.