Stephen R Downie

1987 …2020

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1987

The biosystematics of Arnica fulgens and A. sororia ( Asteraceae).

Downie, S. R. & Denford, K. E., Jan 1 1987, In : Canadian Journal of Botany. 65, 3, p. 559-570 12 p.

Research output: Contribution to journalArticle

1988

Flavonoid variation in Arnica subgenus Arctica

Downie, S. R. & Denford, K. E., Jan 14 1988, In : Biochemical Systematics and Ecology. 16, 2, p. 133-137 5 p.

Research output: Contribution to journalArticle

1991

Six independent losses of the chloroplast DNA rpl2 intron in dicotyledons: molecular and phylogenetic implications

Downie, S. R., Jan 1 1991, In : Evolution. 45, 5, p. 1245-1259 15 p.

Research output: Contribution to journalArticle

1993

Chloroplast genome rearrangements and the evolution of giant lobelias from herbaceous ancestors

Knox, E. B., Downie, S. R. & Palmer, J. D., Jan 1 1993, In : Molecular biology and evolution. 10, 2, p. 414-430 17 p.

Research output: Contribution to journalArticle

1994

A chloroplast DNA phylogeny of the Caryophyllales based on structural and inverted repeat restriction site variation

Downie, S. R. & Palmer, J. D., Jan 1 1994, In : Systematic Botany. 19, 2, p. 236-252 17 p.

Research output: Contribution to journalArticle

Structure and evolution of the largest chloroplast gene (ORF2280): internal plasticity and multiple gene loss during angiosperm evolution

Downie, S. R., Katz-Downie, D. S., Wolfe, K. H., Calie, P. J. & Palmer, J. D., Apr 1 1994, In : Current Genetics. 25, 4, p. 367-378 12 p.

Research output: Contribution to journalArticle

1996

A molecular phylogeny of apiaceae subfamily apioideae: Evidence from nuclear ribosomal DNA internal transcribed spacer sequences

Downie, S. R. & Katz-Downie, D. S., Feb 1996, In : American journal of botany. 83, 2, p. 234-251 18 p.

Research output: Contribution to journalArticle

Multiple independent losses of the rpoC1 intron in angiosperm chloroplast DNA's

Downie, S. R., Llanas, E. & Katz-Downie, D. S., Jan 1 1996, In : Systematic Botany. 21, 2, p. 135-151 17 p.

Research output: Contribution to journalArticle

Phylogenetic analysis of Apiaceae subfamily Apioideae using nucleotide sequences from the chloroplast rpoC1 intron

Downie, S. R., Katz-Downie, D. S. & Cho, K. J., Aug 1996, In : Molecular Phylogenetics and Evolution. 6, 1, p. 1-18 18 p.

Research output: Contribution to journalArticle

1997

Relationships in the caryophyllales as suggested by phylogenetic analyses of partial chloroplast DNA ORF2280 homolog sequences

Downie, S. R., Katz-Downie, D. S. & Cho, K. J., Feb 1997, In : American journal of botany. 84, 2, p. 253-273 21 p.

Research output: Contribution to journalArticle

1998

Molecular systematics of Apiaceae subfamily Apioideae: Phylogenetic analyses of nuclear ribosomal DNA internal transcribed spacer and plastid rpoC1 intron sequences

Downie, S. R., Ramanath, S., Katzdownie, D. S. & Llanas, E., Jan 1 1998, In : American journal of botany. 85, 4, p. 563-591 29 p.

Research output: Contribution to journalArticle

Multiple independent losses of the plastid rpoC1 intron in Medicago (Fabaceae) as inferred from phylogenetic analyses of nuclear ribosomal DNA internal transcribed spacer sequences

Downie, S. R., Katz-Downie, D. S., Rogers, E. J., Zujewski, H. L. & Small, E., Jan 1 1998, In : Canadian Journal of Botany. 76, 5, p. 791-803 13 p.

Research output: Contribution to journalArticle

1999

A molecular phylogeny of Apiaceae tribe Caucalideae and related taxa: Inferences based on ITS sequence data

Lee, B. Y. & Downie, S. R., Jan 1 1999, In : Systematic Botany. 24, 3, p. 461-479 19 p.

Research output: Contribution to journalArticle

Major lineages within Apiaceae subfamily Apioideae: A comparison of chloroplast restriction site and DNA sequence data

Plunkett, G. M. & Downie, S. R., Jan 1 1999, In : American journal of botany. 86, 7, p. 1014-1026 13 p.

Research output: Contribution to journalArticle

Towards a molecular phylogeny of Apiaceae subfamily Apioideae: Additional information from nuclear ribosomal DNA ITS sequences

Katz-Downie, D. S., Valiejo-Roman, C. M., Terentieva, E. I., Troitsky, A. V., Pimenov, M. G., Lee, B. & Downie, S. R., Jan 1 1999, In : Plant Systematics and Evolution. 216, 3-4, p. 167-195 29 p.

Research output: Contribution to journalArticle

2000

A phylogeny of Apiaceae tribe Scandiceae: Evidence from nuclear ribosomal DNA internal transcribed spacer sequences

Downie, S. R., Katz-Downie, D. S. & Spalik, K., Jan 1 2000, In : American journal of botany. 87, 1, p. 76-95 20 p.

Research output: Contribution to journalArticle

Expansion and contraction of the chloroplast inverted repeat in Apiaceae subfamily Apioideae

Plunkett, G. M. & Downie, S. R., Jan 1 2000, In : Systematic Botany. 25, 4, p. 648-667 20 p.

Research output: Contribution to journalArticle

Implications of chloroplast DNA restriction site variation for systematics of Acacia (Fabaceae: Mimosoideae)

Clarke, H. D., Downie, S. R. & Seigler, D. S., Jan 1 2000, In : Systematic Botany. 25, 4, p. 618-632 15 p.

Research output: Contribution to journalArticle

2001

Delimitation of genera in Apiaceae with examples from Scandiceae subtribe Scandicinae

Spalik, K., Wojewódzka, A. & Downie, S. R., Dec 1 2001, In : Edinburgh Journal of Botany. 58, 2, p. 331-346 16 p.

Research output: Contribution to journalArticle

Introduction: Evolution, biogeography and systematics of the apiales (araliaceae and apiaceae)

Watson, M. F., Plunkett, G. M., Downie, S. R., Lowry, P. P. & Lowry, P. P., Jan 1 2001, In : Edinburgh Journal of Botany. 58, 2, p. 179-181 3 p.

Research output: Contribution to journalArticle

The evolution of fruit in Scandiceae subtribe Scandicinae (Apiaceae)

Spalik, K., Wojewódzka, A. & Downie, S. R., Dec 1 2001, In : Canadian Journal of Botany. 79, 11, p. 1358-1374 17 p.

Research output: Contribution to journalArticle

The utility of morphological characters for inferring phylogeny in Scandiceae subtribe Scandicinae (Apiaceae)

Spalik, K. & Downie, S. R., Jan 1 2001, In : Annals of the Missouri Botanical Garden. 88, 2, p. 270-301 32 p.

Research output: Contribution to journalArticle

Tribes and clades within apiaceae subfamily apioideae: The contribution of molecular data

Downie, S. R., Katz-Downie, D. S., Lee, B. Y., Plunkett, G. M., Watson, M. F., Spalik, K., Valiejo-Roman, C. M., Troitsky, A. V., Terentieva, E. I., Lahham, J. & El-Oqlah, A., Jan 1 2001, In : Edinburgh Journal of Botany. 58, 2, p. 301-330 30 p.

Research output: Contribution to journalArticle

2002
2004

An ITS-based phylogenetic analysis of the perennial, endemic Apiaceae subfamily Apioideae of western North America

Sun, F. J., Downie, S. R. & Hartman, R. L., Apr 1 2004, In : Systematic Botany. 29, 2, p. 419-431 13 p.

Research output: Contribution to journalArticle

A phylogenetic study of Perideridia (Apiaceae) based on nuclear ribosomal DNA ITS sequences

Downie, S. R., Sun, F. J., Katz-Downie, D. S. & Colletti, G. J., Jul 1 2004, In : Systematic Botany. 29, 3, p. 737-751 15 p.

Research output: Contribution to journalArticle

Circumscription of apiaceae tribe oenantheae

Hardway, T. M., Spalik, K., Watson, M. F., Katz-Downie, D. S. & Downie, S. R., Aug 2004, In : South African Journal of Botany. 70, 3, p. 393-406 14 p.

Research output: Contribution to journalArticle

The phylogenetic position of Peucedanum sensu lato and allied genera and their placement in tribe Selineae (Apiaceae, subfamily Apioideae)

Spalik, K., Reduron, J. P. & Downie, S. R., Feb 1 2004, In : Plant Systematics and Evolution. 243, 3-4, p. 189-210 22 p.

Research output: Contribution to journalArticle

2005

A multivariate analysis of Cymopterus glomeratus, formerly known as C. acaulis (apiaceae)

Sun, F. J., Levin, G. A. & Downie, S. R., Sep 1 2005, In : Rhodora. 107, 932, p. 359-385 27 p.

Research output: Contribution to journalArticle

Molecular systematics of the trans-Pacific alpine genus Oreomyrrhis (Apiaceae): Phylogenetic affinities and biogeographic implications

Chung, K. F., Peng, C. I., Downie, S. R., Spalik, K. & Schaal, B. A., Dec 1 2005, In : American journal of botany. 92, 12, p. 2054-2071 18 p.

Research output: Contribution to journalArticle

2006

A molecular phylogenetic study of southern African Apiaceae

Calviño, C. I., Tilney, P. M., Van Wyk, B. E. & Downie, S. R., Dec 1 2006, In : American journal of botany. 93, 12, p. 1828-1847 20 p.

Research output: Contribution to journalArticle

A multivariate analysis of Pseudocymopterus (Apiaceae)

Sun, F. J., Levin, G. A. & Downie, S. R., Oct 2006, In : Journal of the Torrey Botanical Society. 133, 4, p. 499-512 14 p.

Research output: Contribution to journalArticle

Phylogenetic relationships and chromosome number evolution in Passiflora

Hansen, A. K., Gilbert, L. E., Simpson, B. B., Downie, S. R., Cervi, A. C. & Jansen, R. K., Jan 1 2006, In : Systematic Botany. 31, 1, p. 138-150 13 p.

Research output: Contribution to journalArticle

2007

Circumscription and phylogeny of Apiaceae subfamily Saniculoideae based on chloroplast DNA sequences

Calviño, C. I. & Downie, S. R., Jul 1 2007, In : Molecular Phylogenetics and Evolution. 44, 1, p. 175-191 17 p.

Research output: Contribution to journalArticle

Intercontinental disjunctions in Cryptotaenia (Apiaceae, Oenantheae): An appraisal using molecular data

Spalik, K. & Downie, S. R., Dec 1 2007, In : Journal of Biogeography. 34, 12, p. 2039-2054 16 p.

Research output: Contribution to journalArticle

2008

A molecular phylogeny of Chinese Apiaceae subfamily Apioideae inferred from nuclear ribosomal DNA internal transcribed spacer sequences

Zhou, J., Peng, H., Downie, S. R., Liu, Z. W. & Gong, X., May 1 2008, In : Taxon. 57, 2, p. 402-416 15 p.

Research output: Contribution to journalArticle

A multivariate analysis of Pteryxia terebinthina (Apiaceae)

Sun, F. J., Levin, G. A. & Downie, S. R., Jan 1 2008, In : Journal of the Torrey Botanical Society. 135, 1, p. 81-93 13 p.

Research output: Contribution to journalArticle

A new generic classification for African peucedanoid species (Apiaceae)

Winter, P. J. D., Magee, A. R., Phephu, N., Tilney, P. M., Downie, S. R. & Van Wyk, B. E., May 1 2008, In : Taxon. 57, 2, p. 347-364 18 p.

Research output: Contribution to journalArticle

A phylogenetic study of Oxypolis and Ptilimnium (Apiaceae) based on nuclear rDNA ITS sequences

Feist, M. A. E. & Downie, S. R., Apr 2008, In : Systematic Botany. 33, 2, p. 447-458 12 p.

Research output: Contribution to journalArticle

Ezosciadium (Apiaceae): A taxonomic revision of yet another early diverging South African apioid genus

Magee, A. R., Van Wyk, B. E., Tilney, P. M. & Downie, S. R., Dec 1 2008, In : Plant Systematics and Evolution. 276, 3-4, p. 167-175 9 p.

Research output: Contribution to journalArticle

Morphology and biogeography of Apiaceae subfamily Saniculoideae as inferred by phylogenetic analysis of molecular data

Calviño, C. I., Martínez, S. G. & Downie, S. R., Feb 1 2008, In : American journal of botany. 95, 2, p. 196-214 19 p.

Research output: Contribution to journalArticle